최신 H12-311 무료덤프 - Huawei Certified ICT Associate-Wireless Local Area Network

문제1

The two commonly used units describing antenna gain are dBi and dBd, and the conversion relationship between them is: dBi=dBd+2.14.

A. True

B. False

정답: A

문제2

There are four wireless STAs.
Which workstations occupy the channel preferentially according to the following backoff time parameters?

A. 6

B. 4

C. 7

D. 5

정답: B

문제3

The following is a description of the classification and function of Huawei AP. The following statement is correct (Select 3 Answers).

A. AP6610DN is a Gigabit fiber interface, so it cannot be directly connected to the AC6605.

B. AP6010SN and AP6010DN are indoor-mounted APs

C. AP6310SN is an indoor distributed AP

D. AP6510DN and AP6610DN are outdoor APs

정답: B,C,D

문제4

Regarding the telnet management of the AC6605, the following statement is wrong.

A. telnet can be authenticated based on username and password. The transmission is encrypted and therefore quite secure.

B. telnet is a way to remotely manage AC The

C. telnet service is disabled by default on the AC The

D. telnet service can be configured separately on the wired side and the wireless side of the AC.

정답: A

문제5

MIMO (Multiple input and multiple output), that is, multiple input and multiple output, wireless access points and clients using 802.11n technology can simultaneously transmit data using up to three spatial streams, and the theoretical rate can reach 600 Mbps.

A. True

B. False

정답: B

문제6

In the 802.11 frame, what is the correct correspondence between the Type and the frame format in the Frame Control bit?

A. Type is 10, indicating the control frame. When

B. Type is 01, indicating that the data frame

C. Type is 00, it means management frame.

D. Type is 00, it means reserved. When

정답: C

문제7

According to the following output, the following statement is correct (Select 2 Answers).
<Quidway> display device
AC6605-26-PWR's Device status:
Slot Sub Type Online Power Register Status Role
0 - AC6605-26 Present PowerOn Registered Normal Master
POWER Present PowerOn Registered Normal NA

A. The user is currently on the wireless side of the AC.

B. To achieve the relevant configuration of the WLAN, the user must first switch to the wireless side through CTRL+Y.

C. Currently the user is on the wired side of the AC.

D. According to the output, the AC6605 adopts the POE power supply module.

정답: B,C

문제8

For outdoor long-distance point-to-point backhaul, the antenna of should be selected.

A. High gain, small lobe width

B. Low gain, large lobe width

C. High gain, large lobe width

D. Omnidirectional

정답: A

문제9

The port number of the data packet on the AC side of the CAPWAP tunnel is 5246, and the port number of the control packet is 5247.

A. True

B. False

정답: B

문제10

Regarding the characteristics of Huawei WLAN products, the following statement is correct.

A. After the dual-link backup configuration, if the user adopts the tunnel forwarding mode, the active service will not be interrupted even if the active AC fails.

B. Wireless controller can achieve high availability through stacking

C. The switching threshold of WLAN load balancing has two configurations based on the number of users and the number of sessions.

D. Huawei's AP radio tuning function is divided into global tuning and local tuning. The local tuning is done by the AP independently.

정답: C

문제11

What parameters are used in 802.11 frames to reassemble frame fragments?

A. Fragment number

B. Frame Control

C. Address bit

D. Duration

정답: A

문제12

Which channels in the 802.11b protocol do not overlap each other (Select 3 Answers)?

A. 6

B. 1

C. 3

D. 11

정답: A,B,D

문제13

WIDS attack detection includes (Select 3 Answers).

A. Spoof attack detection

B. Microwave interference detection

C. Weak IV attack detection

D. Flood attack detection

정답: A,C,D

문제14

The omnidirectional antenna exhibits a degree of on the horizontal pattern.

A. 360

B. 90

C. 0

D. 180

정답: A

문제15

What kind of technology is implemented by the 802.11a protocol?

A. MIMO

B. DSSS

C. OFDM

D. FHSS

정답: C

최신 H12-311 무료덤프 - Huawei Certified ICT Associate-Wireless Local Area Network

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