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CWNA-107 Exam Dumps - Certified Wireless Network Administrator

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Question # 17

A natural disaster has occurred in a remote area that is approximately 40 miles from the response team headquarters. The response team must setup a local wireless network using 802.11 WLAN access points. What is the best method, of those listed, for implementation of network backhaul for communications across the Internet in this scenario?

A.

Temporary wired cable

B.

802.11 bridging

C.

Cellular/LTE

D.

Temporary wired DSL

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Question # 18

What can an impedance mismatch in the RF cables and connectors cause?

A.

Fewer MCS values in the MCS table

B.

Excessive VSWR

C.

Increased amplitude of the RF signal

D.

Increased range of the RF signal

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Question # 19

You administer a WLAN that offers a guest SSID of GUESTNWORK. Users connect to the GUESTNWORK SSID, but report that they cannot browse the Internet. The devices simply report no Internet connection. What common problem causes this scenario?

A.

NTP issues

B.

Hardware issues

C.

IP routing issues

D.

Captive portal issues

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Question # 20

What wireless networking term describes the increase of RF energy in an intentional direction with the use of an antenna?

A.

Directed Radiation

B.

Active Amplification

C.

Passive Gain

D.

Beam Digression

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Question # 21

An RF sigma sometimes bends as it passes through some material other than free space. What is the term that describes this behavior?

A.

Reflection

B.

Refraction

C.

Scattering

D.

Warping

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Question # 22

What statement about 802.11 WLAN performance is true?

A.

In modern networks, both centralized and distributed data forwarding work well for most standard office deployments

B.

In most WLANs, no special skill or tuning is required to get peak performance

C.

WLANs perform better as more wireless clients connect with each AP

D.

To get the best performance out of an AP, you should disable data rates of 72 Mbps and lower

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Question # 23

A dual-band 802.11ac AP must be powered by PoE. As a class 4 device, what power level should be received at the AP?

A.

30 W

B.

25.5 W

C.

15.4 W

D.

12.95 W

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