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

Questions 4

Which wildcard must an engineer configure to match a whole domain in SIP route patterns?

Options:

A.

*

B.

@

C.

!

D.

.

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Questions 5

An engineer must create a route pattern for a SIP trunk with the pattern named Unity_Con_SIP_Trunk and a voicemail pilot number 8000/< None > in Cisco Unity Connection. Which value must the engineer enter for the Gateway/Route List field?

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

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Questions 6

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 7

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 8

Refer to the exhibit. This INVITE is sent to an endpoint that only supports G.729. What must be done for this call to succeed?

Options:

A.

Add a transcoder that supports G.711ulaw and G.729.

B.

Nothing; both sides support G.729.

C.

Add a media termination point that supports G.711ulaw and G.729.

D.

Nothing both sides support payload type 101.

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Questions 9

In Cisco UCM, an engineer must create a new SIP route pattern to allow ccnp.cisco com for all internal callers The internal callers have a calling search space named CSSJNTERNAL that includes the partition named PTJNTERNAL If allowed, the calls must be routed to a SIP trunk named SIP_CISCO_TRK. Drag and drop the values from the left onto the corresponding fields on the right.

Options:

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Questions 10

An administrator is developing an 8-class QoS baseline model. The CS3 standards-based marking recommendation is used for which type of class?

Options:

A.

Scavenger

B.

best effort

C.

voice

D.

call signaling

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Questions 11

How are E.164 called-party numbers normalized on a globalized call-routing environment in Cisco UCM?

Options:

A.

Call ingress must be normalized before the call being routed.

B.

Normalization is not required.

C.

Normalization is achieved by stripping or translating the called numbers to internally used directory numbers.

D.

Normalization is achieved by setting up calling search spaces and partitions at the SIP trunks for PSTN connection.

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Questions 12

During the Cisco IP Phone registration process, the TFTP download (ails. What are two reasons (or this issue? (Choose two.)

Options:

A.

The DNS server was not specified, which is needed to resolve the DHCP server IP address.

B.

Option 100 string was not specified, or an incorrect Option 100 string was specified.

C.

The Cisco IP Phone does not know the IP address of the TFTP server.

D.

The Cisco IP Phone does not know the IP address of any of the Cisco UCM Subscriber nodes.

E.

Option 150 string was not specified, or an incorrect Option 150 string was specified.

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Questions 13

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 14

What are two access management mechanisms in Cisco Webex Control Hub? (Choose two.)

Options:

A.

multifactor authentication

B.

Active Directory synchronization

C.

attribute-based access control

D.

single sign-on with Google

E.

Client ID/Client Secret

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Questions 15

Refer to the Exhibit.

Which command is required to allow this media resource to handle Video Media streams?

Options:

A.

maximum sessions hardware 50

B.

video codec h264

C.

codec pass-through

D.

associate application Cisco unified border element

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Questions 16

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 17

Which actions required for a firewall configuration on a Mobile and Remote Access

through Cisco Expressway deployment?

Options:

A.

The traversal zone on Expressway-c points to Expressway-e through the peer address field on the traversal zone, which specifies the Expressway-e server address. For dual NIC deployments, set the Expressway-e address using an FQDN that resolves the IP address of the internal interface

B.

The external firewall must allow these inbound connections to Expressway: SIP: TCP 5061; HTTPS: TCP 8443; XMPP TCP 5222; media: UDP 36002 to 59999

C.

Do not use a shared address for Expressway-e and Expressway-c, as the firewall

cannot distinguish between them. If static NAT for IP addressing on Expressway-e is used, ensure that any NAT operation on expressway-c does not resolve the same traffic IP address. Shared NAT IS not supported

D.

The internal firewall must allow these inbound and outbound connections between

expressway - c and Expressway-e :sip;HTTPS(tunneled over SSH between C and E.

TCP 2222: TCP 7001: Traversal Media: UDP 2776 to 2777(or 36000 to 36011 for large VM/appliance); XMPP:TCP 7400

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Questions 18

Refer to the exhibit. What is the reason for this call failure?

Options:

A.

The device pool contains more call processing agents in the CMG group than tie endpoint can support

B.

MRGL contains more media groups than the endpoint can support.

C.

The hunt group contains more devices than the endpoint can support

D.

The available location bandwidth between sites is exceeded

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Questions 19

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 20

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 21

Refer to the exhibit. An engineer must implement toll fraud prevention on a Cisco UCM cluster. Only the SIP protocol must be allowed for connections passing through Cisco Unified Border Element. What must be configured?

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

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Questions 22

A collaboration engineer configures Global Dial Plan Replication for multiple Cisco UCM clusters. The local cluster acts as the hub cluster, and the remaining clusters act as spoke clusters Which service must the engineer configure on the local cluster’

Options:

A.

Intercluster Lookup Service

B.

Location Conveyance on intercluster SIP trunks

C.

Intra-Cluster Communication Signaling

D.

Mobility Cross Cluster

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Questions 23

What is required for Cisco UCM to accept SIP calls with a URI in the format of 'sip:2001@cucmpub.cisco.com'?

Options:

A.

Define Cluster Fully Qualified Domain Name under Servers in Cisco UCM.

B.

Change the Destination Address to a Fully Qualified Domain Name on the SIP trunk.

C.

Define Cluster Fully Qualified Domain Name in Enterprise Parameters.

D.

Set the SIPS URI Handling to True in CallManager Service Parameters.

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Questions 24

Which settings are needed to configure the SIP route pattern in Cisco Unified Communications Manager?

Options:

A.

Pattern usage, IPv4 pattern, IPv6 pattern, and description

B.

Pattern usage, IPv4 pattern, and SIP trunk/Route list

C.

Pattern usage, IPv6 pattern, and SIP trunk/Route list

D.

SIP trunk/Route list, description, and IPv4 pattern

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Questions 25

Which Cisco UCM service parameter is enabled to disconnect a multiparty call when the call initiator hangs up?

Options:

A.

H.225 Block Setup Destination

B.

Drop Ad Hoc Conference

C.

Enterprise Feature Access Code for Conference

D.

Block OffNet To OffNet Transfer

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Questions 26

Which action prevents toll fraud in Cisco UCM?

Options:

A.

Implement route patterns in Cisco UCM.

B.

Implement toll fraud restriction in the Cisco IOS router.

C.

Allow off-net to off-net transfers.

D.

Configure ad hoc conference restriction.

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Questions 27

An administrator is configuring a new Cisco UCM with PSTN capabilities. Due to

bandwidth constraints, audio compression is used on the codec. DTMF must work as

expected because the customer is calling many call centers where the users must select

options in the call. Where is DTMF out-of-band in a CCM 12.5 with SIP-based gateway

configured?

Options:

A.

in the DTMF setting under SIP profile on the Cisco Unified Border Element

B.

in the dial peer on the Cisco IOS router

C.

in regions on the Cisco UCM where the appropriate codec to use is set

D.

in DTMF settings in the audio codec preference list under regions in the Cisco UCM

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Questions 28

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 29

An engineer configures local roule group names to simplify a dial plan. Where does the engineer set the route groups according to the local route group names that are configured?

Options:

A.

route list

B.

device pool

C.

CSS

D.

route pattern

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Questions 30

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 31

An administrator is troubleshooting an issue where an 8845 is not joining the correct voice VLAN configuration from a switch and they believe that LLDP is the issue Which command allows the administrator to see the packets sent from the phone to the switch?

Options:

A.

show IIdp status

B.

show IIdp traffic

C.

show IIdp

D.

show IIdp run

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Questions 32

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 33

Which command enables SIP OAuth mode on a Cisco UCM publisher node?

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

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Questions 34

Refer to the exhibit. An engineer is troubleshooting this video conference issue:

*A video call between a Cisco 9971 in Region1 and another Cisco 9971 in Region1 works.

*As soon as the Cisco 9971 in Region1 conferences in a Cisco 8945 in Region2. the Regio1l endpoint cannot see the Region2 endpoint video.

What is the cause of this issue?

Options:

A.

Maximum Audio Bit Rate must be increased.

B.

Maximum Session Bit Rate for Immersive Video Calls is too low.

C.

Maximum Session Bit Rate for Video Calls is too low.

D.

Cisco 8945 does not have a camera connected.

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Questions 35

What is a capability provided by the Cisco Expressway Series?

Options:

A.

voice and video transcoding

B.

endpoint registration

C.

voice and video conferencing

D.

Intercluster extension mobility

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Questions 36

Which service on the Presence Server is responsible for maintaining the point-to-point chat connections between Jabber clients?

Options:

A.

Cisco SIP Proxy

B.

Cisco XCP Text Conference Manager

C.

Cisco XCP Router

D.

Cisco XCP XMPP Federation Manager

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Questions 37

Refer to the exhibit. An engineer configures ISDN on a voice gateway. The provider confirms that the PRI is configured with 10 channels the engineer ordered and is working from the provider side, but the engineer cannot get a B-channel to carry voice. The rest of the configuration for the serial interface and voice network is functioning correctly. Which actions must be taken to carry voice?

Options:

A.

The engineer must activate the controller card on the voice gateway before configuring the device.

B.

The engineer used a T1 interface but must use an E1 interface.

C.

The pri-group timeslots command must be 0-9 for the 10 channels because all values on a router start with 0.

D.

The engineer must manually revert the order of using the channels.

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Questions 38

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 39

A customer wants to conduct B2B video calls with a partner using on-premises conferencing solution. Which two devices are needed to facilitate this request?

Options:

A.

Expressway-C

B.

Cisco Telepresence Management Suite

C.

Expressway-E

D.

MGCP gateway

E.

Cisco Unified Border Element

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Questions 40

Refer to the exhibit.

An engineer must modify the existing QoS policy-map statement to implement LLQ for voice traffic. Which change must the engineer make in the configuration?

Options:

A.

bandwidth 170 to reserve 170

B.

bandwidth 170 to LL1 170

C.

bandwidth 170 to priority 170

D.

bandwidth 170 to percent 170

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Questions 41

Which Cisco Unity Connection call management element can be used to answer calls, provide callers with a list of menu options, and transfer calls?

Options:

A.

directory handler

B.

call routing table

C.

interview handler

D.

call handler

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Questions 42

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 43

A company has a Cisco collaboration infrastructure that includes Cisco UCM and a Cisco Unified Border Element. The company CTO asks an engineer to improve security and implement toll fraud prevention. The engineer configures partitions and a calling search space to provide segmentation and access control Which two additional configurations are needed to block all OffNet to OffNet transfers? (Choose two.)

Options:

A.

Set the Allow offNet to OffNet Transfer Cisco CallManager service parameter to false.

B.

Classify an SIP devices as OffNet

C.

Set the Block OffNet to OffNet Transfer CallManager service parameter to true.

D.

Set the Call Classification Cisco CallManager service parameter to OffNet

E.

Classify the SIP trunk to Cisco Unified Border Element as OffNet

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Questions 44

Which Cisco lM and Presence service handles failover and state changes in the cluster?

Options:

A.

XCP Sync Agent

B.

Cisco Server Recovery Manager

C.

Cisco XCP Connection Manager

D.

XCP router

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Questions 45

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 46

Which service must be enabled when LDAP on cisco UCM is used?

Options:

A.

Cisco AXL Web Service

B.

Cisco CallManager SNMP Service

C.

Cisco DirSync

D.

Cisco Bulk Provisioning Service

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Questions 47

An engineer is trying to implement a new IP phone system in a company The phones connected to the internal network are reporting a status of "unknown " There is no firewall between the Cisco UCM and the phones What is a possible reason for the unknown status?

Options:

A.

Cisco Discovery Protocol is not enabled, and ping sweep is enabled

B.

DNS is not enabled for the phones

C.

DHCP option 150 is not set up correctly

D.

The IP phone management service is not enabled under Services

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Questions 48

Which values must be enabled to set up QoS for video conferencing on a VoIP network?

Options:

A.

CS4 and DSCP 32

B.

AP41 and DSCP 34

C.

AF31 and DSCP 34

D.

CS3 and DSCP 24

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Questions 49

An engineer roust deploy the Cisco Wet*x app to a Windows Virtual Desktop Infrastructure environment that has a roaming database named spark roaming_store stored In a user's AppData\Roaming directory, Which two command line arguments must be used when running the installer? (Choose two.)

Options:

A.

ALLUSERS=0

B.

ENABLEVDI=1

C.

ALLUSERS=1

D.

ENABLEVDI=2

E.

ROAMINGENABLED=1

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Questions 50

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 51

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 52

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 53

A collaboration engineer inherits the responsibilities of another engineer. The previous engineer implemented a SIP integration between Cisco Unity Connection and Cisco UCM. Users can leave messages, but the Message Waiting Indicator is unconfigured. Which two actions must the engineer perform to enable MWI? (Choose two.)

Options:

A.

From Cisco UCM, select Advanced Features, select Voice Mail, select Message Waiting, and configure the message waiting numbers.

B.

From Cisco UCM. open the SIP Trunk Security Profile Information menu and select Accept Unsolicited Notification.

C.

From Message Waiting Indicator Settings in Unity Connection, enable MWI for each user.

D.

From Port Group in Unity Connection, select Enable Message Waiting Indicators.

E.

From Message Waiting Indicators in Unity Connection, select Send Message Counts

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Questions 54

An engineer roust configure DTMF relay on a Cisco Unified Border Element by using RFC2833 as the preferred relay mechanism and KPML as the

next preferred relay mechanism. The engineer logs in to the CUBE and enters the dial-peer configuration level. Which command should be run at

dial-peer configuration level?

Options:

A.

dtmf-relay sip-kvmi rtp-nte

B.

dtmf- relay rtp-nte sip-kpml

C.

dtmf-relay sip-kgml rtp-inband

D.

dtmf-relay rtp-inband sip-kvmi

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Questions 55

The IP phones al a customer site do not pick an IP address from the DHCP An engineer must temporarily disable LLDP on all ports of the switch to leave only CDP. Which two commands accomplish this task? (Choose two.)

Options:

A.

Switch# copy running-config startup-config

B.

Switch(config)# no lldp run

C.

Switch# configure terminal

D.

Switch(conlicj)# interface GigabitEthernet1/0/1

E.

Switch(config># no lldp transmit

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Questions 56

Which two conditions must a user meet to provision a new device using the self-provisioning feature? (Choose two.)

Options:

A.

The user must have the appropriate universal device template linked to the linked to the user profile.

B.

The user must have at least one user device profile assigned.

C.

The user must have a primary extension.

D.

At least DNs must be assigned to the user device.

E.

The user must be part of “standard CCM Super User”.

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Questions 57

What is the maximum number of servers that are in an IM and Presence presence redundancy group?

Options:

A.

10

B.

6

C.

2

D.

4

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Questions 58

Refer to the exhibit. Endpoint A calls endpoint B. What is the only audio codec that is used for the call?

Options:

A.

G722/8000

B.

Telephone-event/8000

C.

G7221/16000

D.

PCMA/8000

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Questions 59

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 60

Exhibit.

Refer the exhibit. A collaboration engineer needs to replace the original, single NTP

server that was configured during the inital install of a Cisco UCM server. What is the first

step to accomplish this task?

Options:

A.

Restart the NTP service on Cisco UCM

B.

Delete the original NTP server from Cisco UCM

C.

Stop the NTP service on Cisco UCM

D.

Enable NTP authentication for the new NTP server on Cisco UCM

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Questions 61

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 62

Which DSCP marking is represented as 101110 in an IP header?

Options:

A.

EF

B.

CS3

C.

AF41

D.

AF31

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Questions 63

An administrator must configure the Local Route Group feature on Cisco UCM. Which step will enable this feature?

Options:

A.

For each route group, check the box for the Local Route Group feature.

B.

For each route pattern, select the Local Route Group as the destination.

C.

For each device pool, configure a route group to use as a Local Route Group for that device pool

D.

For each route list, configure a route group to use as a Local Route Group.

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Questions 64

An engineer must configure a SIP route pattern using domain routing with destination +13135551212. The domain ciscocm1.jupiter.com resolves to 192.168.1.3. How must the IPV4 Pattern be configured?

Options:

A.

+13135551212@192.168.1.3

B.

ciscocm1.jupiter.com

C.

\+13135551212@192.168.1.3

D.

192.168.1.3

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Questions 65

Refer to the exhibit. An engineer configures a VoIP dial peer on a Cisco gateway. Which codec is used?

Options:

A.

G711alaw

B.

No codec is used (missing codec command)

C.

G.711ulaw

D.

G729r8

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Questions 66

Which QoS marking is used when an administrator configures voice call signaling?

Options:

A.

AF41

B.

CS3

C.

CS4

D.

EF

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Questions 67

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 68

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 69

Which two devices are supported by the Flexible DSCP Marking and Video Promotion feature? (Choose two.)

Options:

A.

MGCP devices

B.

SCCP devices

C.

pass-through MTPs

D.

H.323 trunks

E.

DX80

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Questions 70

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 71

An administrator must implement toll fraud prevention on Cisco UCM using these parameters:

• Enable Forced Authorization Code 112211.

• Set an authorization level of 3 for the route pattern 8005551212.

• Require no access code to dial 10-digit numbers.

How must the route pattern be implemented?

Options:

A.

Pattern = 1122113.8005551212

B.

Pattern = 8005551212.1122113

C.

Pattern = 8005xxxxxx

D.

Pattern = 3.800xxxxxxx

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Questions 72

Where would an administrator assign the system shadow location for implementing intercluster enhanced locations CAC in Cisco UCM?

Options:

A.

nongatekeeper-controlled intercluster trunk

B.

SIP intercluster trunk

C.

H.225 trunk

D.

gatekeeper-controlled inter cluster trunk

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Questions 73

Which two parameters influence the total number of supported conference participants on a Cisco IOS XE router that has DSP modules? (Choose two.)

Options:

A.

voice codec

B.

session capacity of the PVDM module

C.

number of protocol data units

D.

software version Of the router

E.

license types

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Questions 74

When multiple potential patterns are present, which two things are considered when Cisco UCM selects a destination pattern? (Choose two.)

Options:

A.

The pattern matches the shortest explicit prefix.

B.

The pattern does not match the dialed string.

C.

The pattern represents the smallest number of endpoints.

D.

The pattern matches the dialed string.

E.

The pattern represents the largest number of endpoints.

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Questions 75

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 76

Which command in the MGCP gateway configuration defines the secondary Cisco UCM server?

Options:

A.

ccm-manager redundant-host

B.

ccm-manager fallback-mgcp

C.

mgcpapp

D.

mgcp call-agent

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Questions 77

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 78

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 79

Refer to the exhibit. Users at a company located In New York cannot place calls. The New York gateway is configured with a T1 ISDN PRI card with 24 channels. The engineer runs the show isdn status command and receives output. Which action must the engineer take to resolve the issue?

Options:

A.

Change the switch type on the ISDN card to primary-5ess.

B.

Increase the number of timeslots in the controller t1 interface.

C.

Change the card type from T1 to E1.

D.

Issue the no shut command Into the controller t1 interface.

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Questions 80

A collaboration engineer is troubleshooting issues with a T1 PRi The engineer wants to confirm if the router received an ISON Set Asynchronous Balanced Mode Extended message and responded with an Unnumbered Acknowledge frame Which Cisco OS command is used to debug ISDN Laver 2 issues?

Options:

A.

debug isdn q931

B.

debug isdn q921

C.

debug voice q921

D.

debug voip ccapi mout

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Questions 81

In which location does an administrator look to determine which subscriber the phone registers to if loses registration with the current Cisco UCM subscriber?

Options:

A.

On Cisco UCM Administration Page Device > Phone > Phone Configuration page

B.

On Cisco UCM Administrator Page server > Cisco UCM

C.

On Cisco UCM Administrator page system > Device Pool > Cisco UCM group

D.

On Cisco UCM Administrator page system > Enterprise Parameters

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Questions 82

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 83

Refer to the exhibit.

Endpoint A calls endpoint B. What is the only audio codec that can be used for the call?

Options:

A.

G722/8000

B.

Telephone-event/8000

C.

G7221/46000

D.

PCMA/8000

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Questions 84

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 85

Refer to the exhibit.

A call to an international number has failed. Which action corrects this problem?

Options:

A.

Assign a transcoder to the MRGL of the gateway.

B.

Strip the leading 011 from the called party number

C.

Add the bearer-cap speech command to the voice port.

D.

Add the isdn switch-type primart-dms100 command to the serial interface.

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Questions 86

Refer to the exhibit. Which two codec permutations should be transcoded by this dspfarm? (Choose two.)

Options:

A.

iLBC to G.711ulaw

B.

G.728br8 to G.711alaw

C.

G.729r8 to G.711ulaw

D.

G.722 to G.729r8

E.

G.729ar8 to G.711alaw

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Questions 87

What are two common attributes of XMPP XML stanzas? (Choase two.)

Options:

A.

from

B.

to

C.

destination

D.

version

E.

Source

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Questions 88

User A Calls user. The call gets connected, but the quality is bed. What are two reasons for this issue? (Choose two)

Options:

A.

Incorrect partition

B.

No region relationship

C.

Network congestion

D.

Incorrect QoS

E.

Incompatible codec

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Questions 89

How are network devices monitored in a collaboration network?

Options:

A.

The Cisco Discovery Protocol table is shared among devices.

B.

Ping Sweep reports "unmanaged' state devices.

C.

System logs are collected in a Cisco Prime Collaboration Server.

D.

Simple Network Managed Protocol is enabled on each device to poll specific values periodically.

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Questions 90

Which dial plan function restricts calls that are made by a lobby phone to internal extensions only?

Options:

A.

manipulation of dialed destination

B.

path selection

C.

calling privileges

D.

endpoint addressing

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Questions 91

What are two reasons that AF41 is marked for the audio and video channels of a video call? (Choose two.)

Options:

A.

to prioritize video over other high -priority traffic classes

B.

to give video calls a higher priority than AP41 in the QoS policy

C.

to allow high-definition quality calls over low-speed links

D.

to preserve lip synchronization between the audio and video channels

E.

to provide separate classes for audio calls and video calls

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Questions 92

What is a description of the DiffServ model used for implementing QoS?

Options:

A.

AF41 has higher drop precedence than AF42. which has higher drop precedence than AF43.

B.

Voice and video calls are marked with different DSCP values and placed in different queues.

C.

AF43 has higher drop precedence than AF42 but lower drop precedence than AF41.

D.

RTP traffic from voice and video calls is marked EF and placed in the same queue.

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Questions 93

Refer to the exhibit. Calls to Cisco Unity Connection are failing across Cisco Unified Border Element when callers try to select a menu prompt Why is this happening and how is it fixed?

Options:

A.

Cisco Unity Connection is configured on G.729 only. Cisco Unity Connection must be reconfigured to support iLBC.

B.

Cisco Unified Border Element is not sending any support for DTMF. OTMF configuration must be added to the appropriate dial peer.

C.

Cisco Unified Border Element is sending the incorrect media IP address. The IP address of the loopback interface must be advertised in the SDP

D.

The Cisco Unity Connection Call Handler is configured for a "Release to Switch" transfer type Transfers must be disabled for the Cisco Unity Connection Call Handler

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Questions 94

An administrator executes the debug isdn q931 command while debugging a failed call. After a test call is placed, the logs return a disconnect cause code of 1. What is the cause of this problem?

Options:

A.

The media resource is unavailable.

B.

The destination number rejects the call.

C.

The destination number is busy.

D.

The dialed number is not assigned to an endpoint.

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Questions 95

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 96

Refer to the exhibit. A collaboration engineer configures Cisco UCM to act as a DHCP server. What must be done next to configure the DHCP server?

Options:

A.

Restart the Cisco DHCP Monitor Service under Cisco Unified Serviceability

B.

Add the new DHCP server to the primary DNS server

C.

Restart the TFTP service under Cisco Unified Serviceability.

D.

Add a DHCP subnet to the DHCP server under Cisco UCM Administration.

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Questions 97

Refer to the exhibit.

When a call is received on Cisco Unified Border Element. from which

lP does it allow a connection?

Options:

A.

192.168.100.103

B.

192.168.102.102

C.

192.168.100.102

D.

192.168.101.201

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Questions 98

Which action prevent toll fraud in Cisco Unified Communication Manager?

Options:

A.

Configure ad hoc conference restriction

B.

Implement toll fraud restriction in the Cisco IOS router

C.

Allow off-net to off-net transfer

D.

Implement route patterns in Cisco Unified CM

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Questions 99

What is the function of the Cisco Unity Connection Call Handler?

Options:

A.

routes calls to a user based on caller input

B.

queues calls

C.

allows customized scripts for IVR capabilities

D.

searches a list of extensions until the call is answered

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Questions 100

A high-speed network is often configured with a five-class QoS model. Which classes are

used in the model?

Options:

A.

real-time, call-signaling, critical data, best-effort, and scavenger

B.

real-time, signaling, critical data, best-effort and drop-class

C.

call-signaling, real-time, critical data, best-effort, and drop-class

D.

voice, video, signaling, critical data, and best-effort

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Questions 101

How does Cisco define jitter?

Options:

A.

voice packet loss that is greater than 1 %

B.

excessive network latency

C.

varying delay of received voice packets

D.

varying delay of sent voice packets

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Questions 102

Refer to the exhibit. Which outgoing m-line SDP is sent to Cisco UCM after matching the appropriate dial peers via Cisco Unified Border Element?

Options:

A.

B.

C.

D.

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Questions 103

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 104

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 105

What is a benefit of Easy/QoS?

Options:

A.

It configures QoS on the network.

B.

It provisons QoS for Layer 3 devices automatically.

C.

It expresses business relevance for applications.

D.

It allows single command QoS deployment.

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Questions 106

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 107

End users report bad video quality and voice choppiness on Cisco Collaboration endpoints. The engineer changed the device pool the users were in but did not correct the problem. Which action should be taken to troubleshoot this issue?

Options:

A.

Use direct IP address calls between two endpoints to troubleshoot call quality issues.

B.

Restart the Cisco Location Bandwidth Manager service on the Cisco UCM publisher.

C.

Check for duplex/speed mismatches between the network port settings of the system and network switch.

D.

Set the service parameter Use Video Bandwidth Pool for Immersive Video Calls to "false".

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Questions 108

A collaboration engineer troubleshoots issues with a Cisco IP Phone 7800 Series. The IPv4 address of the phone is reachable via ICMP and HTTP, and the phone is registered to Cisco UCM However the engineer cannot reach the CU of the phone Which two actions in Cisco UCM resolve the issue? (Choose two)

Options:

A.

Enable SSH Access under Product Specific Configuration Layout in Cisco UCM

B.

Disable Web Access under Product Specific Configuration Layout in Cisco UCM

C.

Set a username and password under Secure Shell information in Cisco UCM

D.

Enable Settings Access under Product Specific Configuration Layout in Cisco UCM

E.

Enable FIPS Mode under Product Specific Configuration Layout in Cisco UCM

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Exam Code: 350-801
Exam Name: Implementing Cisco Collaboration Core Technologies (350-801 CLCOR)
Last Update: Jun 15, 2025
Questions: 361
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