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350-801 Implementing Cisco Collaboration Core Technologies (350-801 CLCOR) Questions and Answers

Questions 4

Where is urgent priority enabled to bypass the T302 timer?

Options:

A.

route partition

B.

transformation pattern

C.

directory number

D.

CTl port

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Questions 5

Which Webex Calling construct is used to organize calling features within a physical site?

Options:

A.

client settings

B.

locations

C.

service settings

D.

call routing

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Questions 6

What is the major difference between the two possible Cisco lM and Presence high-availability modes?

Options:

A.

Balanced mode provides user load balancing and user failover in the event of an outage. Active/standby mode provides an always on standbynode in the event of an outage, and it also provides load balancing.

B.

Balanced mode provides user load balancing and user failover only for manually generated failovers. Active/standby mode provides anunconfigured standby node in the event of an outage, but it does not provide load balancing.

C.

Balanced mode provides user load balancing and user failover in the event of an outage. Active/standby mode provides an always on standbynode in the event of an outage, but it does not provide load balancing.

D.

Balanced mode does not provide user load balancing, but it provides user failover in the event of an outage. Active/standby mode provides analways on standby node in the event of an outage, but it does not provide load balancing.

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Questions 7

An administrator is asked to implement toll fraud prevention in Cisco UCM, specifically to restrict off-net to off-net call transfers. How is this implemented?

Options:

A.

Enforce ad-hoc conference restrictions.

B.

Set the appropriate service parameter.

C.

Implement time-of-day routing.

D.

Use the correct route filters.

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Questions 8

What is the default TCP port for SIP OAuth mode in Cisco UCM?

Options:

A.

5011

B.

3174

C.

8443

D.

5090

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Questions 9

What is the cisco UCM service parameter default value for DSCP for Telepresence calls ?

Options:

A.

CS4

B.

EF

C.

AF41

D.

CS3

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Questions 10

Why isn’t an end user s PC device in a QoS trust boundary included?

Options:

A.

The end user could incorrectly tag their traffic to bypass firewalls.

B.

The end user may incorrectly tag their traffic to be prioritized over other network traffic.

C.

There is no reason not to include an end user's PC device in a QoS trust boundary.

D.

The end user could incorrectly tag their traffic to advertise their PC as a default gateway.

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Questions 11

What is a benefit of using DNS in a Cisco collaboration infrastructure?

Options:

A.

provides high availability for the collaboration infrastructure

B.

provides certificate-based security

C.

reduces latency for audio and video communications

D.

enables the directory address book in Cisco UCM

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Questions 12

An engineer with ID012345678 must build an international dial plan in Cisco UCM. Which action is taken when building a variable-length route pattern?

Options:

A.

configure single route pattern for international calls

B.

set up all international route patterns to 0.!

C.

reduce the T302 timer to less than 4 seconds

D.

create a second route pattern followed by the # wildcard

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Questions 13

Which two features does Mobile and Remote Access support in a Cisco collaboration solution? (Choose two.)

Options:

A.

certificate provisioning to remote endpoints

B.

multiple line registration

C.

all Cisco Unified Contact Center Express features

D.

peer-to-peer file transfer

E.

Interactive Connectivity Establishment passthrough

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Questions 14

What will Differserv provide?

Options:

A.

traffic classification

B.

scheduling technique

C.

service differentiation

D.

queuing mechanism

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Questions 15

How does Cisco UCM perform a digit analysis on-hook versus off-hook for an outbound call from a Cisco IP phone that is registered to Cisco UCM?

Options:

A.

On-hook. by pressing the digits and entering "#" to process the call. UCM performs a digit-by-digit analysis; off-hook. UCM analyzes all digits as a string.

B.

On-hook. no digit analysis is performed; off-hook. UCM requires the '#" to start the digit analysis

C.

On-hook. UCM performs a digit-by-digit analysis; off-hook. UCM considers all digits were dialed and does not wait for additional digits.

D.

On-hook. UCM considers all digits were dialed and does not wait for additional digits; off-hook. UCM performs a digit-by-digit analysis.

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Questions 16

The chief officer at a company must reduce collaboration infrastructure costs by onbording all on-permises equipment to the cloud by using CISCO Webex Control Hub. Administrators need the ability to manage upgrades and set up hot desking for on-premises devices.

Which action must be taken before on boardng devices by using the Control Hub?

Options:

A.

Configure tie Control Hub organization ID on the devices

B.

Acquire a license for each device.

C.

Allow HTTP traffic from each device to Control Hub.

D.

Upgrade all the devices to software version CE9.15 or later

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Questions 17

Which two recommendations are made to optimize Cisco UCM configuration to reduce the number of toll fraud incidents in an organization? (Choose two.)

Options:

A.

Classify all route patterns as on-net and prohibit on-net to on-net call transfers in Cisco UCM service parameters.

B.

Classify all route patterns as on-net or off-net and prohibit off-net to off-net call transfers in Cisco UCM service parameters.

C.

Classify all route patterns as off-net and prohibit off-net to off-net call transfers in Cisco UCM service parameters.

D.

Inbound CSS on any gateway typically should have access to internal destinations and PSTN destinations.

E.

Inbound CSS on any gateway typically should have access to internal destinations only and not PSTN destinations.

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Questions 18

An engineer must deploy the Webex app to a Windows Virtual Desktop Infrastructure environment by using these settings:

• Thin client plugin: Installed

• Call service-enabled user: Media is optimized

• Calls on Webex app: Media is optimized

Which two command-line arguments are valid when running the installer? (Choose two.)

Options:

A.

ENABLEVDI=2

B.

ENABLEVDI=0

C.

ALLUSERS=0

D.

ENABLEVDI=1

E.

ALLUSERS=1

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Questions 19

How many minutes does it take for automatic fallback to occur in a Presence Redundancy Group if the primary node lost a critical service?

Options:

A.

5 min

B.

10 min

C.

30 min

D.

60 min

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Questions 20

An engineer is notified that the Cisco TelePresence MX800 that is registered in Cisco Unified communications Manager shows an empty panel, and the Touch 10 shows a corresponding icon with no action when pressed. Where does the engineer go to remove the inactive custom panel?

Options:

A.

The phone configuration page in CUCM Administration

B.

The SIP Trunk security profile page in CUCM Administration

C.

The software Upgrades page in CUCM OS Administration

D.

The In-Room control Editor on the webpage of the MX800

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Questions 21

Refer to the exhibit. What is the registration state of the analog port in this debug output?

Options:

A.

The analog port failed to register to Cisco UCM with an error code 200.

B.

The MGCP Gateway is not communicating with the Cisco UCM.

C.

The analog port is currently shut down.

D.

The analog port is registered to Cisco UCM.

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Questions 22

An engineer must enable onboarding of on-premises devices by using activation to a Cisco UCM server The engineer activated the CISCO Device Activation Service and set the default registration method to use the codes. Which action completes the configuration?

Options:

A.

Set Enable Activation Code enterprise parameter to True-

B.

Manually provision new phones that have an activation code requirement

C.

Create a Bulk Administration Tool provisioning template.

D.

Generate 16-digit codes by using the Bilk Administration Tool

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Questions 23

A collaboration engineer must optimize the dial plan within Cisco UCM. There are multiple remote sites. And each site has its own route patterns and local gateways. What should the engineer do on the cisco UCM to optimize the dial plan?

Options:

A.

Configure a Standard Local Route Group to use a single route pattern for all calls within the cluster.

B.

Create a centralized dial plan with a Cisco UCM Session Management Edition cluster or a Cisco gatekeeper.

C.

Implement ILS with GDPR so the dial plan can dynamically replicate across clusters.

D.

Leverage Cisco UCM Express as SRST so the phones can have more features at each remote site

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Questions 24

Which set of four functions are performed by Cisco Unified Border Element?

Options:

A.

session control, security, interworking, and demarcation

B.

PRI connections, security, faxing, and border enforcement

C.

session control, meet-me conferencing, interworking. and demarcation

D.

session control, security. SIP. and H.323

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Questions 25

What describes the outcome when the trust boundary is defined at the Cisco IP phone?

Options:

A.

Packets or Ethernet frames are remarked at the distribution layer switch.

B.

Packets or Ethernet frames are not remarked at the access layer switch.

C.

Packets or Ethernet frames are not remarked by the IP phone.

D.

Packets or Ethernet frames are remarked at the access layer switch.

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Questions 26

Where in Cisco UCM is restrictions on audio bandwidth configured?

Options:

A.

location

B.

partition

C.

region

D.

serviceability

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Questions 27

Which two features will access layer switches provide support providing high-quality voice and taking advantage of the full voice feature set? (Choose two.)

Options:

A.

Deploy RSVP to improve VoIP QoS only where it will have a positive impact on quality and functionality where there is limited bandwidth and frequent network congestion.

B.

Use multiple egress queues to provide priority queuing of RTP voice packet streams and the ability to classify or reclassify traffic and establish a network trust boundary.

C.

Map audio and video streams of video calls (AF41 andAF42) to a class-based queue with weighted random early detection.

D.

Implement IP RTP header compression on the serial interface to reduce the bandwidth required per voice call on point-to-point links.

E.

Use 802 1Q trucking and 802.1p for proper treatment of Layer 2 CoS packet marking on ports with phones connected.

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Questions 28

To provide high-quality voice and take advantage of the full voice feature set, which two access layer switches provide support?

Options:

A.

Use multiple egress queues to provide priority queuing of RTP voice packet streams and the ability to classify or reclassify traffic and establish a network trust boundary.

B.

Use 802, 1Q trunking and 802.1p for proper treatment of Layer 2 CoS packet marking on ports with phones connected.

C.

Implement IP RTP header compression on the serial Interface to reduce the bandwidth required per voice call on point-to-point links.

D.

Deploy RSVP to improve VoIP QoS only where it can have a positive impact on quality and functionality where there is limited bandwidth and frequent network congestion.

E.

Map audio and video streams of video calls (AF41 and AF42) to a class-based queue with weighted random early detection.

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Questions 29

After an administrator installs the Cisco jabber Client, it fails to register with the cisco UCM server. Which two actions should be taken to troubleshoot this problem? (Choose two.)

Options:

A.

Verify the installation of the LMHOST file on the PC.

B.

Verify the configuration of the DNS SRV record.

C.

Verify corporate firewall settings for client connections.

D.

Verify Layer 3 connectivity on the gateway.

E.

Reboot the Cisco Unified Border Element Gateway.

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Questions 30

Refer to the exhibit.

Which codec should an engineer select for a call made between "Dallas-REG' & "Austin-REG'?

Options:

A.

MP4A-LATM

B.

G.711

C.

OPUS

D.

G.729

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Questions 31

What is the purpose of Mobile and Remote Access with Cisco Jabber in the cisco UCM?

Options:

A.

to allow Cisco Jabber to register with Cisco UCM without trie use of a VPN from outside the corporate network

B.

to allow Cisco Jabber to register with Cisco UCM via a remote access VPN from a branch office

C.

to allow Cisco Jabber to register with Cisco UCM via a remote access VPN from outside the corporate network

D.

to allow Cisco Jabber to register with Cisco UCM via a site-to-srte VPN from a branch office

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Questions 32

Refer to the exhibit.

A customer reports that MTP resources are being used in the recently deployed Cisco UCM and wants no MTP resources to be used. Cisco UCM SIP trunk configuration does not have the MTP Required box checked Which configuration change resolves the issue?

Options:

A.

Change Cisco UCM SIP trunk DTMF Signaling Method to -sip-notify".

B.

Change Cisco UCM SIP trunk DTMF Signaling Method to "sip-kpml".

C.

Change Cisco Unified Border Element configuration to "dtmf-relay sip-notify sip-kprnl".

D.

Change Cisco Unified Border Element configuration to "dtmf-relay rtp-nte".

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Questions 33

An administrator needs to help a remote employee make a free call to an international destination. The administrator calls the employee, then conferences in the international party. The administrator drops the call, and the employee and the international party continue their conversation. Which action prevents this type of toll fraud in the Cisco UCM?

Options:

A.

Set service parameter 'Advanced Ad Hoc Conference" to FALSE.

B.

Set service parameter "Drop Ad Hoc Conference" to "When Conference Controller leaves."

C.

Set service parameter "Advanced Ad Hoc Conference" to 2.

D.

Set service parameter "Drop Ad Hoc Conference" to "Do not allow outside parties."

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Questions 34

Which DSCP value and PHB equivalent are the default for audio calls?

Options:

A.

48 and EF

B.

34 and AF41

C.

32 and AF41

D.

32 and CS4

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Questions 35

Refer to the exhibit.

An engineer verifies the configured of an MGCP gateway. The commands are already configured. Which command is necessary to enable MGCP?

Options:

A.

Device(config)# mgcp enable

B.

Device(config)# ccm-manager enable

C.

Device (config) # com-manager active

D.

Device (config)# mgcp

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Questions 36

An end user at a remote site is trying to initiate an Ad Hoc conference call to an end user at the main site. The conference bridge is configured to support G.711. The remote user's phone only supports G.729. The remote end user receives an error message on the phone: "Cannot Complete Conference Call." What is the cause of the issue?

Options:

A.

The remote phone does not have the conference feature assigned.

B.

A software conference bridge is not assigned.

C.

A Media Termination Point is missing.

D.

The transcoder resource is missing.

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Questions 37

An engineer with troubleshoots poor voice quality on multiple calls. After looking at packet captures, the engineer notices high levels of jitter. Which two areas does the engineer check to prevent jitter? (Choose two.)

Options:

A.

Voice packets are classified and marked

B.

All devices use wired connections instead of wireless connections

C.

The network meets bandwidth requirements

D.

Cisco UBE manages voice traffic, not data traffic

E.

MTP is enable on the sip trunk to cisco Unified Border Elemnet

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Questions 38

A Cisco Unity Connection Administrator must set a voice mailbox so that it is accessed from a secondary device. Which configuration on the voice mailbox makes this change?

Options:

A.

Attempt Forward routing rule

B.

Mobile User

C.

Alternate Extensions

D.

Alternate Names

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Questions 39

Refer to the exhibit. An administrator must replace the T1 card with an E1 card. What is the correct configuration if the administrator was asked to configure 12 time slots?

Options:

A.

B.

C.

D.

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Questions 40

What is a possible cause of the PRI issue?

Options:

A.

The cable is unplugged.

B.

The controller shut down.

C.

The clock source is incorrect.

D.

The framing is configured incorrectly.

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Questions 41

Which type of message must an administrator configure in the SIP Trunk Security Profile for a Message Waiting Indicator light to work with a SIP integration between Cisco UCM and Cisco Unity Connection?

Options:

A.

Unsolicited NOTIFY

B.

200 ok

C.

SIP Register

D.

TCP port 5060

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Questions 42

When a new SIP phone is registered to Cisco Unified communications Manager, it keeps failing and showing an “unprovisioned” error message in the phone display. Which problem is a possible cause of this issue?

Options:

A.

Auto-registration is disabled on the Cisco Unified Communications Manager nodes and the phone device does not have a DN configured.

B.

The DHCP settings are incorrectly and the phone does not have an alternate TFTP defined.

C.

The phone cannot download and install the latest firmware.

D.

The DN assigned to the phone is already in use by another SIP phone.

E.

The DN configuration for this phone is shared with SCCP phone, which is not supported.

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Questions 43

After an engineer runs the utils ntp status command on the Cisco Unified Communications Manager publisher, the stratum value is 16. Which issue can the

Cisco Unified CM cluster experience?

Options:

A.

Unified CM sends an NTPv4 packet.

B.

Database replication is not synchronized on the Unified CM nodes.

C.

The cluster loses access to port 124 at the firewall.

D.

The date/time group on all phones defaults to the time zone of the engineer.

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Questions 44

Due to service provider restriction. Cisco UCM cannot send video in the SDR Which two options on Cisco UCM are configured to suppress video in the SDP in outgoing invites? (Choose two.)

Options:

A.

Add the audio forced command to voice service VoIP on the Cisco Unified Border Element.

B.

Check the Retry Video Call as Audio on the SIP trunk.

C.

Set Video Bandwidth in the Region settings to 0.

D.

Change the Video Capabilities dropdown on the endpoint to Disabled.

E.

Check the Send send-receive SDP in mid-call INVITE check box on the SIP trunk SIP profile.

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Questions 45

Which Cisco unity Connection handler plays a greeting at announces the option to dial a user extension by default?

Options:

A.

the operator call handler

B.

the Interview handler

C.

the Goodbye call handler

D.

the Directory handler

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Questions 46

What happens to voice packets from an 8845 Cisco IP Phone at a properly configured QoS trust boundary?

Options:

A.

The phone and access layer switch negotiate the classification of packets.

B.

Cisco UCM determines how the voice packets are classified.

C.

The voice packets are classified by the phone and the classification is accepted.

D.

The voice packets are not trusted, and the access layer switch reclassifies the packets.

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Questions 47

An engineer is deploying the Webex app on a Microsoft Windows computer that has multiple user accounts. Which CLI argument allows the engineer to Install the application as a "per machine" Installation?

Options:

A.

ACCEPT_EULA

B.

INSTALL ROOT

C.

ALLUSERS

D.

FORCELOCKDOVN

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Questions 48

An administrator configures Cisco UCM to use UDP for SIP signaling and finds that an endpoint cannot make calls. Which action resolves this issue?

Options:

A.

Change the common phone profile.

B.

Change the SIP dial rules.

C.

Change the SIP profile.

D.

Change the phone security profile.

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Questions 49

During a conference call, lhe CTO of a company adds an external user to the call. The CTO leaves at the end of the call, but the external user stays on and dials out to a premium rate number. Several weeks later, the CTO receives an unexpectedly high phone bill. The CTO decides to Implement an Ad Hoc conference restriction. Which parameters must be adjusted?

Options:

A.

Drop Ad Hoc Conference

B.

Limit Ad Hoc Conference

C.

Restrict Ad Hoc Conference

D.

Monitor Ad Hoc Conference

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Questions 50

Refer to the exhibit. An administrator is attempting to register a SIP phone to a Cisco UCM but the registration is failing. The IP address of the SIP Phone is 10.117.34.222 and the IP address of the Cisco UCM is 10.0.101.10. Pings from the SIP phone to the Cisco UCM are successful. What is the cause of this issue and how should it be resolved?

Options:

A.

An NTP mismatch is preventing the connection of the TCP session between the SIP phone and the Cisco UCM. The SIP phone and Cisco UCM must be set with identical NTP sources.

B.

The certificates on the SIP phone are not trusted by the Cisco UCM. The SIP phone must generate new certificates.

C.

DNS lookup for the Cisco UCM FQDN is failing. The SIP phone must be reconfigured with the proper DNS server.

D.

An network device is blocking TCP port 5060 from the SIP phone to the Cisco UCM. This device must be reconfigured to allow traffic from the IP phone.

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Questions 51

What are two characteristics of jitter in voice and video over IP communications? (Choose two.)

Options:

A.

The packets arrive with frame errors.

B.

The packets arrive at varying time intervals.

C.

The packets arrive out of sequence.

D.

The packets never arrive due to tail drop.

E.

The packets arrive at uniform time intervals.

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Questions 52

Which two configuration elements are part of the Cisco UCM toll-fraud prevention?(Choose two.)

Options:

A.

feature control policy

B.

partition

C.

SIP trunk security profile

D.

SUBSCRIBE Calling Search Space

E.

Calling Search Space

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Questions 53

Which command must be defined before an administrator changes the linecode value on an ISDN T1 PRI in slot 0/2 on an IOS-XE gateway?

Options:

A.

isdn incoming-voice voice

B.

pri-group timeslots 1-24

C.

card type t1 0 2

D.

voice-port 0/2/0:23

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Questions 54

Refer to the exhibit.

What causes the PRI issue?

Options:

A.

The controller shut down

B.

The cable is unplugged

C.

The framing is configured incorrectly

D.

The clock source is incorrect.

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Questions 55

An administrator works with an ISDN PRI that is connected to a third-party PBX. The ISDN link does not come up. and the administrator finds that the third-party PBX uses the OSIG signaling method. Which command enables the Cisco IOS Gateway to use QSIG signaling on the ISDN link?

Options:

A.

isdn incoming-voice voice

B.

isdn switch-type basic-ni

C.

isdn switch-type basic-qsig

D.

isdn switch-type primary-qsig

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Questions 56

An administrator set up Cisco UCM LDAP Directory and already synced the users to Cisco UCM from the Active Directory, but they forgot to set up feature group templates when. doing the import. Which action resolves the issue?

Options:

A.

Add another LDAP Directory in Cisco UCM, configure feature group templates, and do a manual sync for that new LDAP Directory.

B.

Use the Bulk Administration Tool to update those users with the feature group template.

C.

Configure feature group templates in the Cisco UCM LDAP Directory and do a manual sync.

D.

Configure feature group templates in the Cisco UCM LDAP Directory and configure the resync interval.

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Questions 57

A customer wants a video conference with five Cisco Telepresence 1X5000 Series systems. Which media resource is necessary in the design to fully utilize the immersive functions?

Options:

A.

Cisco Webex Meetings Server

B.

software conference bridge on Cisco UCM

C.

Cisco Meeting Server

D.

Cisco PVDM4-128

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Questions 58

Which action must an administrator take to provide a method that plays prerecorded messages when setting up a voicemail server in a Cisco collaboration on-premises system?

Options:

A.

Create a recording that is applied to a service voicemailbox in Cisco UCM.

B.

Configure a directory handler to respond to the calls in Cisco UCM.

C.

Create a call handler template to apply to a call handler in Cisco Unity Connection.

D.

Configure a telephony service in Cisco Unity Connection to play prerecorded messages applying this service to a number.

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Questions 59

Refer to the exhibit.

An administrator is configuring a new phone on a Cisco UCM cluster and the phone failed to register. The Cisco UCM cluster is in non-secure mode. Which action resolves the issue?

Options:

A.

Update phone configuration in Cisco UCM with the correct MAC address.

B.

Ensure that DHCP scope has option 150 configured.

C.

Delete phone ITL file.

D.

Manually configure voice VLAN on the phone.

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Questions 60

An engineer configures Cisco UCM to prevent toll fraud. At which two points does the engineer block the pattern in Cisco UCM to complete this task? (Choose two.)

Options:

A.

partition

B.

route partem

C.

translation pattern

D.

CSS

E.

route group

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Questions 61

A customer enters no IP domain lookup on the Cisco IOS XE gateway to suppress the interpreting of invalid commands as hostnames Which two commands are needed to restore DNS SRV or A record resolutions? (Choose two.)

Options:

A.

ip dhcp excluded-address

B.

ip dhcp-sip

C.

ip dhcp pool

D.

transport preferred none

E.

ip domain lookup

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Questions 62

Which Cisco Collaboration Edge architecture product allows remote endpoints to leverage corporate on-premises Cisco Unified Communications infrastructure?

Options:

A.

Cisco VPN Client

B.

Cisco Umbrella

C.

Cisco Webex

D.

Cisco Unified Communications Mobile and Remote Access

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Questions 63

Refer to the exhibit. A collaboration engineer adds an analog gateway to a Cisco UCM cluster. The engineer chooses MGCP over SCCP as the gateway protocol. Which two actions ensure that the gateway registers? (Choose two.)

Options:

A.

Enter "no seep" on the gateway in configuration mode.

B.

Enter "ccm-manager mgcp" on the gateway in configuration mode.

C.

Enter "mgcp" on the gateway in configuration mode.

D.

Enter "ccm-manager config" on the gateway in configuration mode.

E.

Delete and re-add the gateway configuration in Cisco UCM.

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Questions 64

An engineer is deploying Webex app on Microsoft Windows computers. The engineer wants to ensure that the end users do not receive pop-IQ dialogues %'hen they start the application 'Much two actions ensure the end users are not promted to accept the end-user license (Choose two )

Options:

A.

Set the DELETEUSERDATA=r installation argument

B.

Set the "HKEY_LOCAL_MACHINE,.Software'«WOW6432Node .CiscoCollabHost -Eula_disable

C.

Set the "HKEY_LCX^M._MACHINE .SoftwareCiscoCollabHo$t€ula Setting registry Eula_disable

D.

Set the DEFAULT^'THEMEs-Dark"" installation argument

E.

Set the "/quiet installation argument

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Questions 65

A company has an excessive number of call transfers to local and long-distance PSTN from Cisco Unity Connection voicemail. Which action in the Cisco Unity Connection restriction table resolves this issue?

Options:

A.

Block PSTN patterns on Default Transfer. Default Outdial. and Default System Transfer.

B.

Implement password complexity on voicemail boxes to prevent accounts from being compromised.

C.

Create a custom restriction table ??????????? and block it.

D.

Create a custom restriction table **********and block it.

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Questions 66

What is the purpose of bandwidth management when designing a Cisco collaboration solution?

Options:

A.

It improves monitoring and troubleshooting.

B.

It determines the least cost path between sites.

C.

It optimizes the minimum required bandwidth.

D.

It ensures the best possible user experience

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Questions 67

Which two protocols can be configured for the Cisco Unity Connection and Cisco UCM integration? (Choose two.)

Options:

A.

H. 323

B.

SIP

C.

SCCP

D.

MGCP

E.

RTP

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Questions 68

Which congestion management mechanism must be used to reduce VoIP packet drops?

Options:

A.

policy-based routing

B.

route maps

C.

digital signal processor transcoders

D.

low latency queueing

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Questions 69

What is the function of DiffServ?

Options:

A.

It automatically identifies traffic

B.

It provides reserve bandwidth by using RSVP

C.

It categorizes traffic.

D.

It guarantees end-to-end bandwidth for traffic.

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Questions 70

What is the most important consideration when designing a QoS voice framework?

Options:

A.

bandwidth calculations

B.

codec selection

C.

speed propagation

D.

Layer 2 overhead consumption

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Questions 71

What is a capability of the call forwarding feature in a Cisco Webex dial plan?

Options:

A.

device pool selection

B.

Call Admission Control

C.

business continuity

D.

ringtone selection

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Questions 72

The chief technology officer at a company must onboard devices to the cloud A workspace is created in Cisco Webex Control Hub for every device. What must be generated to complete the on boarding process?

Options:

A.

16-digit activation code to share with all the devices

B.

16-digit activation code for each devices

C.

15-digit activation code for each devices

D.

15-digit activation code to share with at all devices

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Questions 73

An engineer must configure switch port 5/1 to send CDP packets to configure an attached Cisco IP phone to trust tagged traffic on it’s access port. Which command is required to complete the configuration?

Options:

A.

platform qos trust extend cos 3

B.

platform qos trust extend

C.

platform qos extend trust

D.

platform qos trust extend cos 5

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Questions 74

Which transport protocol does the application layer protocol SNMP use?

Options:

A.

HTTP

B.

XML

C.

UDP

D.

SIP

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Questions 75

Refer to the exhibit. A customer submits this debug output, captured on a Cisco IOS router. Assuming that an MGCP gateway is configured with an ISDN BRI interface, which BRI changes resolve the issue?

Options:

A.

B.

C.

D.

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Questions 76

Which DiffServe PHB preserves backward compatibility with any IP precedence scheme?

Options:

A.

expedited forwarding

B.

class selector

C.

assured forwarding

D.

default

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Questions 77

What is a characteristic of Cisco UCM translation patterns?

Options:

A.

Configure routing based on the calling party number for the next hop.

B.

When there is a match, the call is routed to the specified destination in the translation pattern.

C.

When a dialed number is manipulated in a translation pattern, the dialed number is written to the call detail record.

D.

Never configure a partition for a translation pattern.

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Questions 78

Which protocol must be prioritized over IP networks to reduce VoIP audio latency?

Options:

A.

RTP

B.

TLS

C.

TCP

D.

SIP

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Questions 79

What requires a Cisco IOS XE transcoder?

Options:

A.

DTMF conversion

B.

SIP early offer

C.

transrating

D.

call queuing

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Questions 80

What is required when deploying co-resident VMs by using Cisco UCM?

Options:

A.

Provide a guaranteed bandwidth of 10 Mbps.

B.

Deploy the VMs to a server running Cisco UCM.

C.

Avoid hardware oversubscription.

D.

Ensure that applications will perform QoS.

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Questions 81

Which layer is the optimal trust boundary for an untrusted Cisco endpoint?

Options:

A.

access

B.

core

C.

WAN

D.

distribution

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Questions 82

Refer to the exhibit.

Which Codec is negotiated?

Options:

A.

G.729

B.

ILBC

C.

G.711ulaw

D.

G.728

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Questions 83

An engineer must deploy the Cisco Webex app to a Virtual Desktop Infrastructure (VDI) environment and support full-featured meetings. Which action must the engineer take to meet these requirements?

Options:

A.

Configure the VDI thin client and install the Webex app

B.

From Control Hub. configure VDI optimization for the Webex app

C.

Install three separate VDI plugins on the VDI thin client

D.

Install two separate VDI plugins on the VDI thin client

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Questions 84

Refer to the exhibit. A user takes a phone from San Francisco to New York for a short reassignment. The phone was set up to use the San Francisco device pool, and device mobility is enabled on the Cisco UCM. The user makes a call that matches a route pattern in a route list that contains the Standard Local Route Group. To where does the call retreat?

Options:

A.

The call fails because device mobility is turned on, and the phone is not configured in New York. The engineer must configure which sites the device should be roaming to.

B.

The call egresses in San Francisco because the user uses device mobility and is allowed to roam while still keeping the number and resources assigned in San Francisco.

C.

The call fails because the Standard Local Route Group is being used only it no configuration is set for the device pools.

D.

The call egresses in New York because the device automatically is assigned a New York device pool and uses the local gateway.

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Questions 85

An engineer troubleshoots outbound can failure on an ISDN-PRI circuit. The engineer ts suspecting the 'Incomplete Destination". Which debugs or commands are run in the voice gateway to troubleshoot the issue?

Options:

A.

debug isdn q921

term mon

B.

debug voip ecapi inout

show controller ti

C.

debug isdn q931

show isdn status

D.

debug isdn q921

debug voip ecapi inout

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Questions 86

On which protocol and port combination does Cisco Prime Collaboration receive notifications (Traps and InformRequests) from several network devices in the Collaboration infrastructure for which it has requested notifications?

Options:

A.

UDP161

B.

TCP 161

C.

UDP 162

D.

TCP 80

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Questions 87

An administrator is configuring LDAP tor Cisco UCM with Active Directory integration. A customer has requested to use “ipphone” instead of “telephoneNumber” as the phone number attribute. Where does the administrator specify this attribute mapping in Cisco UCM?

Options:

A.

LDAP Custom Filter

B.

LDAP Directory user fields

C.

LDAP Directory custom user fields

D.

LDAP Authentication

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Questions 88

Which configuration concept allows for high-availability on IM and Presence services in a UC environment?

Options:

A.

IM and Presence subclusters (configured on Cisco UCM)

B.

Presence Redundancy Groups (configured on Cisco Unified IM and Presence)

C.

IM and Presence subclusters (configured on Cisco Unified IM and Presence)

D.

Presence Redundancy Groups (configured on Cisco UCM)

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Questions 89

What must be configured on a Cisco Unity Connection voice mailbox to access the mailbox from a secondary device?

Options:

A.

mobile user

B.

alternate names

C.

alternate extensions

D.

Attempt Forward routing rule

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Questions 90

Refer to the exhibit. Which action must an engineer take to implement self-provisioning on a primary communications manager server?

Options:

A.

Select a different Universal Line Template.

B.

Change the SIP Phone Secure Port.

C.

Uncheck the auto-registration Disabled checkbox.

D.

Select a different Universal Device Template.

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Questions 91

An engineer deploys a Cisco Expressway-E server for a customer who wants to utilize all features on the server. Which feature does the engineer configure on the Expressway-E?

Options:

A.

H.323 endpoint registrations

B.

Mobile and Remote Access

C.

SIP gateway for PSTN providers

D.

VTC bridge

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Questions 92

Refer to the exhibit. Unanswered calls do not reach the voicemail associated with the phones Instead, callers receive the default greeting Which action fixes the configuration?

Options:

A.

Reboot Cisco Unity Connection.

B.

Check the box "Redirecting Diversion Header Delivery - Outbound", then reset the trunk.

C.

Check the box 'Redirecting Diversion Header Delivery - Outbound".

D.

Review the conversation manager logs on Cisco Unity Connection.

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Questions 93

Which DSCP PHB classification must be used to configure QoS for voice on a high-speed network?

Options:

A.

EF

B.

CS4

C.

AF43

D.

43

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Questions 94

Which two DNS records must be created to configure Service Discovery for on-premises Jabber? (Choose two.)

Options:

A.

_cisco-uds._tls.cisco.com pointing to the IP address of Cisco UCM

B.

_cuplogin_tcp.cisco.com pointing to a record of IM and Presence

C.

_cuplogin._tls.cisco.com pointing to the IP address of IM and Presence

D.

_cisco-uds.tcp.cisco.com pointing to a record of Cisco UCM

E.

_xmpp.tls.cisco.com pointing to a record of IM and Presence

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Questions 95

Regarding SIP integrations with Cisco Unified Communications Manager, if the Cisco Unity Connection is configured to listen for incoming IPv4 and IPv6 traffic, how should the addressing mode be set up in the Cisco Unity Connection?

Options:

A.

Set up is not required.

B.

Set up for each group to use IPv4 and IPv6.

C.

Set up media ports for each port group to use IPv4.

D.

Set up IPv4 and IPv6 in Cisco Unified CM.

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Questions 96

Refer to the exhibit. An engineer is confining class of control for a user in Cisco UCM. Which change will ensure that the user is unable to call 2143?

Options:

A.

Change line partition to Partition_A

B.

Change line CSS to only contain Partition_B

C.

Set the user's line CSS to

D.

Set the user's device CSS to

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Questions 97

After an engineer implements the FAC and CMC features together, users report that calls take almost one minute to complete and that they occasionally hear the reorder tone. Which two actions address this issue?( Choose two)

Options:

A.

Adjust the T302 timer from the default of 15 seconds to 5 seconds to shorten the interdigit timer

B.

Change the code if the problem persists

C.

Advise the user to hang up and try again

D.

Do not wait for the tones immediately dial the FAC and CMC

E.

Advise the user to press the"#"button after dialing the FAC and CMC codes

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Questions 98

Which IP Precedence value is used to classify a call signalling packet?

Options:

A.

6

B.

5

C.

4

D.

3

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Questions 99

An administrator must make a pattern to route calls to two different destinations john doe@company com and jane doe@company com Which type of patterns are needed in the Cisco UCM. and what must the pattern look like?

Options:

A.

A SIP route pattern that looks like the *@company.com

B.

A SIP route pattern that looks like this company.com

C.

A regular route pattern with URI feature enable in the configuration page. The pattern

must look like this:(*@company.com)

D.

A regular route pattern with URI feature enable in the configuration page. The pattern

must look like this:MATCH(*@company.com)

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Questions 100

Which device is a Cisco IP Phone 8800 series phone registered in, if it was registered using Mobile and Remote Access?

Options:

A.

Cisco Unified Presence

B.

Cisco Expressway-C.

C.

Cisco Expressway-E

D.

Cisco UCM

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Questions 101

Which issue cause slips on a PRI?

Options:

A.

incorrect dock source

B.

incorrectly configured time zone

C.

change in the line code

D.

incorrect encapsulation

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Questions 102

Refer to exhibit.

A company recently deployed CISCO Jabber Users log in to Jabber by using their email address in a domain named

company com. The users report that they cannot register their telephony services when working from unless they use a VPN. An

engineer runs DNS lookup tool in Cisco Expressway-C to troubleshoot tie What IS me cause of the issue?

Options:

A.

The company com domain must be resolved only in Expressway-E

B.

There is a missing SRV record for the company.com domain.

C.

The TTL value for the company.com is too short.

D.

There must be only response for the company.com domain

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Questions 103

What should be used to detect common issues on a Cisco IOS XE-based Local Gateway and generate an email?

Options:

A.

Real-Time Monitoring Tool

B.

diagnostic signatures

C.

syslog

D.

SNMP

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Questions 104

A customer reports that the load balancing solution is not working (or two Cisco Unified Border Element routers. The (cube1.abc.com) router should take 60% of the calls, and the (cube2 abc.com) router should take 40% of the calls. Assuming all DNS A records are present, which two SRV configurations would provide the desired outcome? (Choose two.)

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

E.

Option E

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Questions 105

An engineer is configuring IP telephony. The network relies on DHCP to provide TFTP server addresses to the endpoints. Policy requires the endpoints to receive two server addresses. Which DHCP option must be configured?

Options:

A.

66

B.

143

C.

150

D.

166

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Questions 106

An administrator configures international calling on a Cisco UCM cluster and wants to minimize the number of route patterns that are needed. Which route pattern enables the administrator to match variable-length numbers?

Options:

A.

9.011#

B.

9.011@

C.

9.011!

D.

9.011*

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Questions 107

A remote office has a less-than-optimal WAN connection and experiences packet loss, delay and jitter. Which VoIP codec is used in this situation?

Options:

A.

G722.1

B.

iLBC

C.

G.711alaw

D.

G.729A

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Questions 108

What is an indicator of network congestion in VoIP communications?

Options:

A.

jitter increase due to variable delay

B.

discards in the interface of routers and switches

C.

video loss due to video frame corruption

D.

gaps in the voice due to packet loss

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Questions 109

A company hosts a conference call with no local users. How does the administrator stop the conference from continuing?

Options:

A.

modifies the Drop Ad Hoc Conference service parameter

B.

modifies the Block OffNet to OffNet Transfer service parameter

C.

removes the transcoder

D.

changes the codecs that are supported on the conference resource

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Questions 110

An engineer must configure a new route pattern. When a user dials 9-555-555-5555, only the last 10 digits must be sent to the gateway. All transformations must be done at the route pattern level. Which route pattern must the engineer use?

Options:

A.

Route pattern: 9.@

Called party transformation discard digits: PreDot

B.

Route pattern: 9.(2-9].. [2-9]......

Called party transformation discard digits: Nine

C.

Route pattern: 9.(5-5] [5-5]...

Called party transformation discard digits: PreDot

D.

Route pattern: 9T

Called party transformation discard digits: Nine

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Questions 111

A user dials 9011841234567 to reach Vietnam. Which steps send the call to the PSTN provider as 011841234567?

A)

B)

C)

D)

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

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Questions 112

Exhibit.

Configuration of DNS is required to achieve a fully functional Cisco UCM system. Cisco UCM uses DNS to resolve fully qualified domain names to IP addresses for which destinations?

Options:

A.

MRA

B.

trunk

C.

AAR

D.

H.323

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Questions 113

Refer to the exhibit. A collaboration engineer adds a redundant NTP server to an existing Cisco Collaboration solution On the Cisco UCM OS Administration page, the new NTP server shows as "Not Accessible" Which action resolves this issue?

Options:

A.

Restart NTPD on the Cisco UCM server.

B.

Delete and re-add the new NTP server via the Cisco UCM command-line interface

C.

Start the NTP service on the new NTP server

D.

Configure the "reach" value as "377" for the new NTP server.

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Questions 114

A Cisco UCM administrator sets up new route patterns to support phones in tour different locations, all with local gateways. The administrator wants to use the same route pattern for all four locations. How must the system be configured to achieve this goal?

Options:

A.

Use CSS alternate routing rules.

B.

Use standard local route groups.

C.

Add a CSS to each local gateway.

D.

Use transforms in the route groups.

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Questions 115

An engineer must configure a SIP integration between cisco UCM and cisco Unity Connection. These components are configured already:

Drag and drop the components from the left into the order they must be configured on the right.

Options:

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Questions 116

Where does an administrator establish the trust boundary on a LAN?

Options:

A.

core router

B.

voice VLAN

C.

access switch

D.

distribution switch

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Questions 117

Refer to the exhibit.

https://i.postimg.cc/C57TkczG/image.png

A call is falling to establish between two SIP Devices The called device answers with these SOP Which SOP parameter causes issue?

Options:

A.

The calling device did not offer a ptime value

B.

The media stream is set to send only

C.

The payload for G.711ulaw must be 18.

D.

The RTP port is set to 0.

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Questions 118

Refer to the exhibit A call from +1 613 555 1234 that is sent out through the Nice Gateways should result in a calling party of 001 613 555 1234 with the numbering type "international' Which configuration accomplishes this goal?

Options:

A.

\+.001! pre-dot 1 international

B.

\+1.1 none pre-dot 001 international

C.

\+.! pre-dot 00 international

D.

613XXXXXXX none +011 internationa

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Questions 119

Refer to the exhibit.

In Cisco UCM, an engineer must create a new SIP route pattern that must be reachable by all internal callers. The internal callers have a calling search space named CSSJNTERNAL that includes a partition named PTJNTERNAL. The SIP trunk has a calling search space named CSS_SIP_RP that includes the two partitions named PT_SIP_INTERNAL and PT_SIP_LOCAL What must be used as the route partition for the SIP route pattern?

Options:

A.

PT_NTERNAL

B.

PT_SIPJNTERNAL

C.

PT_SIP_LOCAL

D.

CSS_NTERNAL

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Questions 120

What happens to voice packets from a Cisco 8845 IP phone in the QoS trust boundary?

Options:

A.

The voice packets are not trusted, and the access layer switch reclassifies the packets.

B.

The voice packets are classified by the phone, and the classification is accepted

C.

The voice and access layer switch negotiate the classification of packets

D.

Cisco UCM determines how the voice packers are classified.

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Questions 121

A Company s employees have been complaining that they have been unable to select options on the internal IVR of the help desk. IT support has been given Cisco UCM traces and below is the snippet of the SDP of the INVITE packet.

How is this issue resolved?

Options:

A.

Configure CODEC for G.729.

B.

Configure DTMF for KPML.

C.

Configure CODEC for G.722.

D.

Configure DTMF for RFC 2833.

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Exam Code: 350-801
Exam Name: Implementing Cisco Collaboration Core Technologies (350-801 CLCOR)
Last Update: Feb 16, 2026
Questions: 406
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