NEW QUESTION 1
iPerf is a tool used in site surveys and validation surveys for what purpose?

• A. Throughput testing
• B. CCI detection
• C. Signal strength mapping
• D. RSSI tracking
• E. Data rate mapping

Answer: A

Explanation:
Reference https://searchenterprisewan.techtarget.com/tip/How-to-use-iPerf-to-measure- throughput

NEW QUESTION 2
As part of the design for a large WLAN that will include hundreds of APs operating in both 2.4 GHz
and 5 GHz bands, you are changing AP settings so that APs on the same channel are spaced significantly far apart such that they have lessened impact on each other’s BSAs. What common WLAN program are you attempting to diminish?

• A. Incorrect security settings
• B. ACI
• C. CCI
• D. Bluetooth interface

Answer: C

NEW QUESTION 3
You are using a spectrum analyzer during the WLAN validation process. What is the best use, of those listed, for a spectrum analyzer at this phase?

• A. Security testing
• B. Frame corruption testing
• C. Throughput testing
• D. Interference testing

Answer: C

NEW QUESTION 4
Of the following antenna connector types, which one is the smallest?

• A. RP-TNC
• B. MC Connector
• C. N Connector
• D. Male N Connector

Answer: B

NEW QUESTION 5
Which one of the following areas would introduce the greatest challenge in coverage when designing a WLAN?

• A. outdoor park areas
• B. conference rooms
• C. elevators
• D. standard office spaces
• E. long hallways

Answer: A

NEW QUESTION 6
What kind of antenna results in a nearly circular pattern on the azimuth chart but a very flat donut
shape on the elevation chart?

• A. High gain omni-directional
• B. 20 degree vertical yagi
• C. 120 degree horizontal sector
• D. 60 degree horizontal patch

Answer: A

NEW QUESTION 7
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 _____.

• A. Associated with the VLAN on which they are connected.
• B. Associated with the native VLAN of the WLAN controller.
• C. Associated with VLAN 1, the default VLAN for new APs
• D. Associated with a non-routable VLAN until the MAC address of the AP is removed from the controller's MAC filter

Answer: A

NEW QUESTION 8
It has been determined that the highest data rate available in 802.11n (HT PHY) devices must be available. What modulation is required in this scenario?

• A. 256 QAM
• B. BPSK
• C. QPSK
• D. 64 QAM
• E. 16 QAM

Answer: B

NEW QUESTION 9
You deployed an AP and installed its antenna, and you now need to set the AP transmit power. Given
a desired EIRP of 21 dBm, and an antenna gain of 5.85 dBd connected through 25 feet of cable with a loss specification of 4 dB/100 feet.
Assuming that there is no significant loss from the connectors, what should be the transmit power level for this AP?

• A. 10 mW
• B. 14 mW
• C. 20 mW
• D. 25 mW

Answer: D

NEW QUESTION 10
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?

• A. There should be 0% error in a VoWLAN type of deployment
• B. No more than 1% PER max should be acceptable
• C. No more than 4% PER max should be acceptable
• D. No more than 8% PER max should be acceptable

Answer: B

NEW QUESTION 11
What is the DSCP Per Hop Behavior equivalent classification of the 802.11 AC_VO priority level?

• A. AF31
• B. CS3
• C. VO
• D. EF

Answer: D

NEW QUESTION 12
What strategy can be used to ensure efficient cell overlap for VoIP site surveys?

• A. Measure the percentage of cell overlap using the cell overlap feature in the site survey software.
• B. Increase the output power of the radio in all APs.
• C. Install higher gain antennas in the APs.
• D. Ensure at least two APs can be seen with appropriate signal strengths from each location.

Answer: A

NEW QUESTION 13
What commonly causes a client-to-AP link imbalance?

• A. The client’s antenna gain is lower than the AP’s antenna gain
• B. The client’s transmit power is significantly lower than the AP’s transmit power
• C. The AP’s transmit power is significantly lower than the client’s transmit power
• D. The AP’s antenna gain is lower than the client’s antenna gain

Answer: B

NEW QUESTION 14
You are planning for client devices in a WLAN that is be upgraded to 802.11ac. Which one of the following devices is more likely to have support for 3x3:3 radios and 256 QAM?

• A. laptop
• B. USB 2.0 adapter
• C. handheld scanner
• D. mobile phone
• E. tablet

Answer: A

NEW QUESTION 15
You are validating a WLAN and QoS settings. When performing a protocol capture, you see that QoS
markings are accurate in the upstream from the client to the AP. They are also accurate from the AP to the wireless controller. However, all downstream packets lack the appropriate markings. Where must the QoS problem be resolved if the only options are those listed?

• A. On the remote device
• B. On the AP
• C. On the WLAN client
• D. On the DHCP server

Answer: B

NEW QUESTION 16
You are using site software design features. You have imported a floor plan, but the simulated RF
coverage is nowhere close to the real RF coverage you see with a walkabout.
Given that the simulation is significantly different, when step was likely missed when using the software?

• A. Conversion to DWG
• B. Calibration
• C. Adding extra APs to simulate interference
• D. Conversion to PNG

Answer: B

NEW QUESTION 17
Given: As the wireless network administrator for XYZ Company, you are planning to upgrade your aging wireless network infrastructure, as well as some clients, to support 802.11ac. In your research, you have discovered that your new wireless client devices and infrastructure are 802.11ac, WMM, and WMM-PS certified by the Wi-Fi Alliance. Some of your existing client devices are 802.11a/b/g devices that do not support WMM.
Given this information, what scenario is possible when your company's employees begin using both types of client devices on the new WLAN?

• A. All WMM-PS certified client devices will be prevented from utilizing WMM-PS features until all stations in use on the wireless medium are WMM-PS certified.
• B. The WLAN infrastructure will set the dozing times of the WMM-PS certified client devices based upon their WMM access category, while the non-WMM-PS client devices will continue to use PS-Poll frames.
• C. Performance and battery life will be inconsistent between WMM-PS and non-WMM-PS client devices when used with applications that support WMM-PS.
• D. WMM-PS enabled APs will allow both WMM-PS and non-WMM-PS stations to use the trigger-and- delivery mechanism, but WMM-PS stations will get priority.

Answer: C

NEW QUESTION 18
You are performing a WLAN analysis process wherein you move through the environment and
actively send and receive data to and from the AP and network. The statistics are gathered including throughput rates.
What kind of process is being performed?

• A. Protocol capture
• B. Active Site Survey
• C. Passive Site Survey
• D. Spectrum analysis

Answer: B

NEW QUESTION 19
When preparing a floor plan graphic for use in predictive and manual site surveying, what calibration
method will lead to the most accurate and reliable RF data?

• A. Use the known size of a small object, such as a ceiling tile, and use a single instance of this object(e.
• B. a single ceiling tile) to scale the floor plan.
• C. Measure the width of an actual office doorway with a tape measure and use this value to calibrate against a doorway graphic.
• D. Use the longest available measurement (like a straight exterior wall) to calibrate the graphic’s scale.
• E. Calibrate the ceiling height of the floor plan first, then the survey software should be able to auto- calibrate the X and Y planes of the graphic.

Answer: C

NEW QUESTION 20
When implementing an upgrade involving adding hardware to existing APs, what kind of upgrade is being deployed?

• A. forklift
• B. phased
• C. staged
• D. modular
• E. software

Answer: B

Explanation:
Reference https://searchitoperations.techtarget.com/definition/phased-rollout

NEW QUESTION 21
What is a valid 40 MHz channel configuration in the 2.4 GHz ISM band where channels 1-11 are
permitted?

• A. 4 (primary), +1 (secondary)
• B. 2 (primary), -1 (secondary)
• C. 8 (primary), +1 (secondary)
• D. 1 (primary), 6 (secondary)

Answer: A

NEW QUESTION 22
You have discovered three coverage holes during WLAN validation testing. All three exist on the
same floor. Which one of the following is the best solution for coverage hole removal while not reducing the overall capacity of the WLAN?

• A. Decrease the output power of the client devices
• B. Remove one or more APs
• C. Increase the output power of the radio in all APs
• D. Add one or more APS

Answer: C

NEW QUESTION 23
Given: The 802.11ac APs you have selected for your public access deployment support many of the
PHY and MAC enhancements offered by the 802.11n and 802.11ac amendments. The AP is configured for a single-band (2.4 GHz) and only allows 20 MHz channels. The WLAN radio in the AP is a 3x3 802.11n chip that supports two spatial streams.
What is the maximum MCS rate that could be supported by this AP?

• A. 54 Mbps
• B. 65 Mbps
• C. 108 Mbps
• D. 144 Mbps

Answer: D

NEW QUESTION 24
You are planning an outdoor link. The link distance will be 1.3 miles (2.09 kilometers).
Only two endpoints will be involved in the link. What kind of link should be created in every such scenario?

• A. point-to-multipoint link
• B. parabolic dish link
• C. point-to-point link
• D. mesh link

Answer: C

Explanation:
Reference https://www.avalan.com/blog/bid/362640/What-is-the-difference-in-point-to-point-and- point-to-multipoint-radios

NEW QUESTION 25
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