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Free Huawei H12-311_V3.0 Practice Exam with Questions & Answers | Set: 3

Questions 21

In a large wireless network deployment scenario, AC When configured to "Layer 3 networking + bypass mode + direct forwarding", the gateway of the wireless user should. Where is it located ()?

Options:
A.

Convergence layer three switches

B.

One-arm router

C.

AC superior

D.

AP superior

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Questions 22

Metal objects have a greater attenuation effect on wireless signals, AP Or the antenna should not be placed behind a metal ceiling, etc.

Options:
A.

True

B.

False

Questions 23

802.11a What are the supported rates ()?

Options:
A.

6,12,24,54 Mbps

B.

6, 9, 12, 18, 24, 36, 48, 54 Mbps

C.

6,12,18,24,36,48,54 Mbps

D.

6,9,12,18,24,30,36,48,54 Mbps

Questions 24

Each AC Equipment needs to be specified AC The source of IP Address for peace AP Establish CAPWAP Tunnel, one AC You can specify up to 2 Piece WLAN source IP.

Options:
A.

True

B.

False

Questions 25

Which of the following options is the frequency range supported by China 5GHz Frequency band()?

Options:
A.

5.15~5.25GHz

B.

5.25~5.35GHz

C.

5.725~5.825GHz

D.

5.725~5.850GHz

Questions 26

CCMP Encryption ratio TKIP Encryption security is high because of ().

Options:
A.

Used longer IV

B.

Added a key distribution mechanism, no longer using a single key

C.

A more complex encryption algorithm is used

D.

Added message integrity check mechanism

Questions 27

As a guarantee WLAN There will be no interference between the various channels of the network, which of the following frequency bands belong to China5.8GHz Use frequency band()? (Select 2 Answers)

Options:
A.

149

B.

151

C.

153

D.

155

Questions 28

802.11 In the frame, Address Which address bit represents the address of the receiving end of the frame ()?

Options:
A.

Address 1

B.

Address 2

C.

Address 3

D.

Address 4

Questions 29

802.11 Wireless LAN CSMA/CA Which of the following are included in the mechanism ()? (Select 3 Answers)

Options:
A.

Carrier sense

B.

Multiple access

C.

Conflict detection

D.

Conflict avoidance

Questions 30

Originally only supported TKIP The wireless network card can be upgraded through the driver to support AES encryption.

Options:
A.

True

B.

False