CWNA-109無料問題集「CWNP Wireless Network Administrator (CWNA)」

質問 1

An 802.11-based network uses an AP and has several connecting clients. The clients include iPhones, iPads, laptops and one desktop. What WLAN use case is represented?

（A）BSS

（B）Ad-hoc

（C）WPAN

（D）IBSS

正解：A 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 2

Which unit of measurement, as formally defined, is an absolute unit that is used to quantify received signal power levels on a logarithmic scale?

（A）dBm

（B）VSWR

（C）SNI

（D）dBi

正解：A 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 3

What statement about 802.3, Clause 33 Power over Ethernet is true?

（A）The lowest voltage drop is achieved when using CAT6 cable instead of Cat5 or CAT5e.

（B）Only endpoint PSEs are supported.

（C）Only midspan PSEs are supported.

（D）When using CAT5 cabling, you increase the maximum draw available to the PD over that available with CAT6.

正解：A 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 4

What is the final step in an effective troubleshooting process?

（A）Verify the solution

（B）Disable the WLAN

（C）Document the results

（D）Notify the users of problem resolution

正解：C 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 5

You are troubleshooting a problem with a new 802.11ax AP. While the AP supports four spatial streams, most clients are only achieving maximum data rates of 150 Mbps. What is the likely cause?

（A）Non-Wi-Fi interference in the channel

（B）The clients are 802.11n devices

（C）The clients are only two stream 802.11ax clients

（D）Contention caused by an overlapping BSS

正解：B 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 6

The requirements for a WLAN you are installing state that it must support unidirectional delays of less than
150 ms and the signal strength at all receivers can be no lower than -67 dBm. What application is likely used that demands these requirements?

（A）FTP

（B）RTLS

（C）VoIP

（D）E-Mail

正解：C 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 7

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）802.1X/EAP, WEP

（B）CCMP, TKIP

（C）RC5, RC4

（D）TLS, SSL

正解：B 解答を投票する

質問 8

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）25.5 W

（B）12.95 W

（C）15.4 W

（D）30 W

正解：A 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 9

What security solution is deprecated in the 802.11 standard and should never be used in any modern WLAN deployment?

（A）AES

（B）CCMP

（C）Open System Authentication

（D）Shared Key Authentication

正解：D 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 10

You are deploying a WLAN with the access points configured for 10 mW of output power on the 2.4 GHz radios and 20 mW of output power on the 5GHz radios. Some semi-directional antennas are also in use. What kind of deployment is described?

（A）SOHO

（B）High density

（C）Residential

（D）Standard office

正解：A 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

CWNA-109 無料問題集「CWNP Wireless Network Administrator (CWNA)」

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