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H12-311_V3.0 Exam Dumps - HCIA-WLAN V3.0

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Question # 33

The omnidirectional antenna appears on the horizontal pattern as ()Spend.

A.

90

B.

180

C.

360

D.

0

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Question # 34

802.11 The parameter used in the frame to check the integrity of the received frame is ()

A.

Frame Control

B.

Duration

C.

FCS

D.

Sequence control bit

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Question # 35

display ap all Command can be viewed AP of MAC ,Type And running status.

A.

True

B.

False

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Question # 36

In order to facilitate management and maintenance, AP The power supply mode is generally preferred to select () for power supply.

A.

Independent power adapter

B.

POE switch

C.

POE adapter

D.

AC power supply

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Question # 37

Which two of the following are PoE The power supply standard ()? (Select 2 Answers)

A.

IEEE 802.3ae

B.

IEEE 802.3af

C.

IEEE 802.3as

D.

IEEE 802.3at

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Question # 38

In huawei eSight The maximum number of layers supported by the location topology in the network management system is layer ().

A.

7

B.

8

C.

9

D.

10

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Question # 39

The following description of TKIP encryption is wrong ().

A.

The length of IV used in TKIP encryption is 24 bits

B.

TKIP encryption uses the same encryption algorithm as WEP encryption

C.

The motivation for developing TKIP encryption is to upgrade the security of the old WEP hardware

D.

TKIP encryption adds the mechanism of Key generation, management and transmission

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Question # 40

PPPoE Certified in WLAN When used, and WLAN The authentication encryption used by itself does not matter.

A.

True

B.

False

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