You are conducting a physical site survey where heavy machinery is repaired. What is a common item required specifically for this type of survey?
Switches and APs have already been chosen by your customer. All switches support 802.3bz MultiGig interfaces and APs are 4x4:4 802.11ac
wave 2 capable of using dual-5GHz and have one MultiGig interface. Some cable drops for the APs will run for more than 180.5 feet (or 55
meters). To support MultiGig, what is the best choice of cabling?
You are testing a VoWLAN deployment, and your communication measurements show a certain amount of lost packets. What would be an
acceptable packet error rate value to still provide acceptable call quality?
You are configuring an 802.11ac AP using manual channel planning. The design specification calls for the current AP to be placed on channel 56 in 5 GHz and to disable the 2.4 GHz radio.
For what could the 2.4 GHz radio be used if not standard AP operations?
Response:
Looking at a client radio specification sheet that states Receive Sensitivity of −82 dBm @ 18 Mbps would mean:
Response:
Which type of authentication and encryption method is mandatory for Voice Enterprise certified devices as specified by the Wi-Fi Alliance?
After importing a floor plan to a predictive design tool, what should be done prior to adding APs, antennas and attenuators (e.g., walls)?
In this question, you will compare the mobility processes of a network that supports WPA2-Personal and WPA2-Enterprise. Assume the use of a
15-character
ASCII passphrase for WPA2-Personal and EAP-TTLS/MSCHAPv2 with WPA2-Enterprise. Also, assume that proprietary roaming protocols are not
supported.
When a device transitions from one BSS to another within the same ESS, what step must be performed in the WPA2-Enterprise transition that are
not performed in the WPA2-Personal transition?
SSID hiding is not generally recommended because some frames require inclusion of the SSID. In what frames is the SSID always included?
Response:
As you plan a WLAN upgrade, you have assessed the network requirements and data signatures of your applications. One of the popular
applications used on your network requires high bandwidth and low to medium Wi-Fi loss, but can tolerate moderate latency and jitter.
What application matches this description?
Your customer requires a security solution in which client credentials are used and the authentication server must have a certificate with optional
client certificate use. Which EAP method would be the best fit for their requirement?
When deploying long-distance 802.11 bridge links (10 miles / 16 km), what parameter may be critical for improving data flow by reducing retries
caused by the long distances?
When deploying APs outdoors, what additional component needs to be used that is not needed indoors?
When selecting a centralized WLAN architecture, what new problem may arise when you change the data forwarding model from centralized to
distributed?
When you see the SKINNY protocol in a post-install validation protocol capture, what does this indicate?
You're preparing to perform a site survey for a company that processes meat. Some areas are restricted due to high-security. What do you have to
do in order to proceed with the site survey?
Given: A WLAN controller is connected to ABC Company's core layer 3 Ethernet switch with an IEEE 802.1Q trunk connection. The WLAN
controller's native
VLAN is VLAN 6 and its IP address is 10.0.14.2 /24. Lightweight APs supporting centralized forwarding are connected to the network on VLANs 7,
8, and 9, and they each build a Layer 3 tunnel back to the WLAN controller's IP address.
The dynamically assigned IP addresses received by each AP from a DHCP server will be ________________.
Your customer requires fast secure roaming. Which two types of roaming are specified in 802.11-2016 FT roaming that will help meet this goal?
Left to its simplest form, what method does a location algorithm use to determine location within a WLAN coverage area?
Response:
A museum wants to offer Wi-Fi to its visitors. One of their requirements is to have the APs blend into the design of the museum. What should you
do to meet this requirement?
A table of VLANs in a _________ document should include what device performs ________ services.(Fill in the blanks)
Response:
In a convention center, you have received complaints about the WLAN infrastructure. At this moment, the are only two APs in one auditorium. After
analyzing the situation, you determined that there are more client devices that the infrastructure was designed for. There are only two APs to
support more than 300 devices using the Wi-Fi at the same time. What should you do to make the Wi-Fi work as expected?
An engineering firm just upgraded their WLAN form nine 802.11n APS to nine 802.11ac APs. After this upgrade, they did not see any improvement
in throughput.
What is the most likely cause of this result?
What is the most suitable antenna option to be used when designing a WLAN infrastructure with APs mounted on a ceiling with a height of more
than 20 feet and having all of the client stations used from the floor?
You told your customer that multipath fading may be mitigated simply by moving one or both of the receivers antennas a small amount, usually by
one to four wavelengths away from its original position. Your customer is prepared to make the change, but does not know the wavelength for
802.11ac.
What is the approximate wavelength of an 802.11ac radio wave?
In 802.11, clients are required to be calibrated for RSSI and SNR reporting to:
What advantages are provided by per-user PSKs when compared with ESS-wide PSKs?(Choose all that apply.)
Response:
How much more power can a 1 Mbps 802.11b signal have than a 54 Mbps 802.11g signal if it is sent through a saturated amplifier?
Response:
What type of standards-based encryption is used by office extension APs for the traffic tunnel?(Choose all that apply.)
Response:
During an RFP analysis, one of the vendors mentioned that you'll need to upgrade your Gigabit Ethernet switches to MultiGig switches to ensure
support for
802.11ac and 802.11ax, which both offer data rates over 1Gbps. Why is this not sound advice?
What advantage provided by 802.11n and 802.11ac is not usable in 1X1:1 low-end client devices?
In high-density environments, such as stadiums and convention centers, what extra factor has to be taken into account that can attenuate Wi-Fi
signals when these environments are having an event?
What action should be taken after implementing a WLAN based on the design developed from the site survey process?
You are creating an outdoor bridge link that spans more than 1000 yards. Which one of the following antenna types is more likely to be included in
the design?
In a manufacturing facility with highly reflective materials, you are planning an upgrade to your existing 802.11b WLAN implementation. You have
chosen a dual- band 802.11n infrastructure product for this purpose. Your client applications include:
✑Handheld scanners for inventory management
✑Toughbooks (laptops) mounted on forklifts for inventory and workflow management
✑VoWiFi phones used by select employees throughout the facility
You are evaluating all of the 802.11n enhancements and determining which features to enable for your environment and applications.
In this scenario, what 802.11n enhancement typically should NOT be enabled on the 2.4 GHz radio of the new APs?
What roaming technology uses stored keys at the APs for roam back if a client STA returns after having roamed away?
Response:
When using a predictive design tool, you have selected APs with an antenna gain 3 dBi and set the transmit power of the predicted APs to 25 mW. What should be EIRP of the APs in the design?
Response:
What is the most cost-effective way to accurately measure the height of a ceiling when ladder use is not allowed?
You are being asked to design a WLAN for a number of WLAN clients that will use Telnet as the primary application. The customer has asked that you use only the number of APs necessary because of the complex installation and construction costs each AP installation will incur in this particular environment.
What design factors do you consider?
Response:
You are working on a VoWLAN design with your customer's wired networking team. How many distinct priority levels do you expect for the voice
applications?
Your customer is using PSK as their only authentication. They have an industry requirement to move to a stronger solution. Your recommendation
is to move to a certificate-based type of authentication where both the client and server require certificates. Which EAP type would be the best fit?
You are site surveying a network for VoWiFi. You have positioned an AP for a manual survey and are moving away from the AP with a phone in
Survey Mode in your hand and you are reading the RSSI value of the signal received from the AP. You have previously determined that the noise
floor was approximately -94 dBm on this floor of the building. The phones documentation does not specify a recommended RSSI or SNR value for
best performance.
Based on the information provided and the type of device (VoWiFi phone) you are deploying, what minimum RSSI should you plan for in all areas
you are monitoring and where VoWiFi service is desired?
What statements are true regarding jitter and latency?(Choose all that apply.)
Response:
NicoCo is building a new facility and would like to install a WLAN for primary connectivity of all clients. The requirements are dual-spectrum 802.11n supporting voice and location tracking.
What type of pre-deployment survey should be performed?
Response:
You desire to achieve a 450 Mbps MCS. What 802.11n features (from the numbered list below) are required?
1. Frame aggregation
2. Short GI
3. 40 MHz channels
4. 2 spatial streams
5. 3 spatial streams
6. Transmit beamforming (TxBF)
What are some advantages of designing guest access with all guest users tunneled directly into the DMZ?
Response:
During lunch time in the break room of a company, Wi-Fi connectivity on the 2.4 GHz band is intermittent. Every other time of the day, it works fine.
What's the likely cause of this issue?
When a WLAN controller sends an 802.11 frame to a lightweight AP for transmission on the wireless medium, how does it mark the frame for
802.11 QoS priority?
Which of the following items could be considered constraints when performing a network design?(Choose all that apply.)
As an implementation engineer, you have just received initial design specs from a network designer for your dual-band 802.11n deployment. The
network design documents prescribe the following data rate configuration for the 2.4 GHz radio:
Basic Rates 5.5, 6, 11, 12 Mbps
Supported Rates 9, 18, 24, 36, 48, and 54 Mbps as well as MCS 0-15
What will result from this design strategy?
Given:
In your regulatory domain, a Tx Power Level of "1" is equivalent to 17 dBm.
For every integer increment (e.g. from 1 to 2) to the Tx Power Level, the APs transmit power is halved.
In units of mW, what is the actual transmit power for an AP configured at a Tx Power Level of "4"?
When live video streaming solutions that transmit simultaneously to more than one recipient are used, what special capability should be
considered and configured in all affected WLAN implementations?
Location technology (RTLS) can use which of the following methods?(Choose all that apply.)
Response:
Four buildings are located in a square orientation to each other. Fisch Stix Food Company is requesting a PtMP link between the buildings. On the building with the root bridge link, what type of antenna is the best choice?
Response:
In a convention center, you have received complaints about the WLAN infrastructure. At this moment, the are only two APs in one auditorium.
After analyzing the situation, you determined that there are more client devices that the infrastructure was designed for. There are only two APs to support more than 300 devices using the Wi-Fi at the same time.
What should you do to make the Wi-Fi work as expected?
Response:
A controller-based WLAN infrastructure has its controller on a different subnet than its APs. What device must be used to enable any
communication between the
Controller and the APs?
iPerf is a tool used in site surveys and validation surveys for what purpose?
Response:
As a device starts to shift to lower PHY rates, what factors usually influence a device decision to shift to lower PHY rates?(Choose all that apply.)
TESTED 18 May 2024
