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CWNP CWNA-107 - Certified Wireless Network Administrator

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Total 156 questions

You have received a report of poor wireless connections on the third floor of a building under your administration. Three individuals have reported the problem. Apparently, the connections are reposting a strong signal, but the users cannot access the Internet. With the problem identified, what is the next logical step in the troubleshooting process?

A.

Perform corrective actions

B.

Discover the scale of the problem

C.

Create a plan of action or escalate the problem

D.

Verify the solution

You are attempting to explain RF shadow and how it can cause lack of coverage. What common building item frequently causes RF shadow and must be accounted for in coverage plans?

A.

Wooden doors

B.

Carpeted floors

C.

Elevators

D.

Cubicle partitions

You are installing an AP to be used by 23 laptops. All laptops will connect on the 5 GHz frequency band. A neighbor network uses channels 1 and 6. What channel should be used for this AP and why?

A.

Channel 6, because it is always best to use this channel

B.

A 5 GHz channel, because channels 1 and 6 are 2.4 GHz channels they have no impact on the decision

C.

Channel 1, because it is best to use the channel with the lowest frequency

D.

Channel 11, because channels 1 and 6 are in use nearby

In a long-distance RF link, which statement about Fade Margin is true?

A.

The Fade Margin is a measurement of signal loss through free space and is a function of frequency and distance.

B.

The Fade Margin of a long-distance radio link should be equivalent to the receiver’s low noise filter gain.

C.

A Fade Margin is unnecessary on a long-distance RF link if more than 80% of

D.

Fade Margin is an additional pad of signal strength designed into the RF system to compensate for unpredictable signal fading.

Which directional antenna types are commonly used by indoor Wi-Fi devices in a MIMO multiple spatial stream implementation?

A.

Dish and grid

B.

Dipole and yagi

C.

Grid and sector

D.

Patch and panel

Which one of the following channels can be used for VHT transmissions?

A.

44

B.

1

C.

7

D.

13

You are deploying a WLAN monitoring solution that utilizes distributed sensor devices. Where should sensors be deployed for best results? Choose the single best answer.

A.

Every 20 feet and alongside each AP

B.

Closer to the APs

C.

Closer to the client devices

D.

IN critical areas where WLAN performance must be high

When antenna gain is reported in dBI, the gain of the antenna is compared to what theoretical antenna?

A.

Yagi

B.

Dipole

C.

Rubber ducky

D.

Isotropic radiator

A standard PoE injector is use to power an access point requiring 802.3at. CAT6 cabling is in use. What is the maximum distance supported between the access point and the Ethernet switch with the use of a midspan power injector?

A.

100 meters

B.

300 meters

C.

328 meters

D.

200 meters

What standard is referenced in the 802.11-2016 specification and is recommended for robust WLAN client security?

A.

SSID hiding

B.

WEP

C.

802.1X/EAP

D.

IPSec VPN