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Good News !!! H12-311_V3.0 HCIA-WLAN V3.0 is now Stable and With Pass Result

H12-311_V3.0 Practice Exam Questions and Answers

HCIA-WLAN V3.0

Last Update 5 days ago
Total Questions : 297

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Question # 1

Which of the following protocols can support at the same time 2.4GHz Frequency band and 5GHz Frequency band()?

Options:

A.  

802.11a

B.  

802.11b

C.  

802.11g

D.  

802.11n

Discussion 0
Question # 2

Various pipes, metal keels and aluminum alloy gussets in the ceiling will have a greater impact on the actual signal coverage effect.

Options:

A.  

True

B.  

False

Discussion 0
Question # 3

What are the general methods to solve co-channel interference (). (Select 3 Answers)

Options:

A.  

adjust AP Transmit power, adjust antenna feeder

B.  

Reasonable frequency reuse to ensure that the same channel does not appear in the same or adjacent coverage areas

C.  

Use omnidirectional antennas for coverage

D.  

Use obstacles for natural isolation

Discussion 0
Question # 4

Which of the following descriptions of business VLAN is correct is ().

(Select 3 Answers)

Options:

A.  

Mainly responsible for transmitting data when WLAN users go online

B.  

PVID VLAN under the WLAN ESS interface

C.  

Service VLAN under the service set template

D.  

If the data tunnel is used for forwarding, user data will not be transmitted through the business VLAN business

Discussion 0
Question # 5

The following statement is correct ().

(Select 3 Answers)

Options:

A.  

WPA2 PSK authentication requires the user to enter a user name and password to connect

B.  

When the user performs web authentication, it is triggered by the user's http message after successfully obtaining the IP address; at this time, it is forcibly redirected to the portal server,

Go through the certification process

C.  

WPA2 uses 802.1X authentication

D.  

WAPI is China's national standard system for wireless LAN

Discussion 0
Question # 6

802.11 In the frame, Frame Control In position Type What is the correct correspondence with the frame format ()?

Options:

A.  

Type for 01 Time represents data frame

B.  

Type for 10 Time represents control frame

C.  

Type for 00 Indicates reserved use

D.  

Type for 00 Time represents management

Discussion 0
Question # 7

What series of Huawei switches () is the Huawei plug-in controller ACU board suitable for?

(Select 3 Answers)

Options:

A.  

S9300 series switches

B.  

S9700 series switches

C.  

S7700 series switches

D.  

S5700 series switches

Discussion 0
Question # 8

About Huawei WLAN Description of the characteristics of the product, the following statement is correct ().

Options:

A.  

Wireless controllers can achieve high availability through stacking

B.  

Huawei AP The radio frequency tuning function is divided into global tuning and local tuning. The local tuning is AP Done independently

C.  

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

D.  

After dual-link backup is configured, if the user adopts the tunnel forwarding mode, even if it is active AC User services will not be interrupted after failure and restart

Discussion 0
Question # 9

Which is the longest interval between 802.11 frames ()?

Options:

A.  

SIFS

B.  

IFS

C.  

DIFS

D.  

PIFS

Discussion 0
Question # 10

The following description of TKIP encryption is wrong ().

Options:

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

Discussion 0
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