CWNA-107試験無料問題集（180題）「CWNP Certified Wireless Network Administrator 認定」

出題：1

You are evaluating access points for use in the 5GHz frequency band.
What PHY supports this band and supports 80 MHz channels?

A. OFDM

B. VHT

C. HT

D. ERP

正解：B 解答を投票する

出題：2

You administer a small WLAN with nine access point. As a small business, you do not rum a RADIUS server and use WPA2-Personal for security. Recently, you changed the passphrase for WPA2-personal in all Aps and clients. Several users are now reporting the inability to connect to the network at time and it is constrained to one area of the building. When using scanner, you see that the AP covering that area is online

A. The AP that covers the problem area has failed

B. The clients are improperly configured

C. The AP that covers the problem area is improperly configured

D. The AP that covers the problem area requires a firmware update

正解：D 解答を投票する

出題：3

You are troubleshooting a controller-based AP that is unable to locate the controller. DHCP is not use and the controller is located at 10.10.10.81/24 while the AP is on the 10.10.16.0/24 network. What should be inspected to verify proper configuration?

A. AP hosts file

B. NTP

C. BOOTP

D. DBS

正解：A 解答を投票する

出題：4

What terms accurately complete the following sentence?
The IEEE 802.11-2016 standard specifies mandatory support of the _______________ cipher suite for Robust Security Network Associations, and optional use of the ________________ cipher suite, which is designed for use with pre-RSNA hardware and is deprecated.

A. CCMP, TKIP

B. 802.1X/EAP, WEP

C. RC5, RC4

D. TLS, SSL

正解：A 解答を投票する

出題：5

What is appended to the end of each 802.11 data frame after the payload?

A. Preamble

B. MAC header

C. PHY header

D. FCS

正解：D 解答を投票する

出題：6

What is primary metric of scanning can stations use to select the best AP for connectivity to the desired BSS?

A. FCS errors in frames transmitted to and from the AP.

B. Signal strength of access point beacons received

C. Throughput speed in Mbps.

D. PING latency when testing against an internet server

正解：B 解答を投票する

出題：7

In a long-distance RF link, what 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 antenna gain.

C. A Fade Margin is unnecessary on a long-distance RF link if more than 80% of the first Fresnelzone is clear of obstructions.

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

正解：D 解答を投票する

出題：8

You are reconfiguring an AP to use the short guard Interval. How long will the new guard interval duration be after the change?

A. 10 ms

B. 400 ns

C. 800 ns

D. 104 ms

正解：B 解答を投票する

出題：9

You are troubleshooting an issue reported by several wireless users. The problem is contained to one cell (several users connected to the same AP). You manage the WLAN and no other network devices. After analysis it appears to be a switch problem. What action should be taken?

A. Document the results and close the case

B. Create a plan of action and implement it

C. Escalate the problem to the wireless vendor support staff

D. Escalate the problem to the network administration team

正解：D 解答を投票する

出題：10

You are selecting antennas for a WLAN operating in the 5 GHz frequency band. What specifications should be evaluated for an antenna before it is implemented in this WLAN system?

A. 802.11ad compatibility

B. TPC support

C. Impedance in Ohms

D. Return Loss Rating

正解：C 解答を投票する

CWNA-107試験無料問題集「CWNP Certified Wireless Network Administrator 認定」