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H12-321 Exam Dumps - Huawei Certified Network Professional - Wireless Local Area Network- Constructing Enterprise WLAN Architecture

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Question # 4

Which of the following servers is a directory server?

A.

Radius server

B.

AD server

C.

DNS server

D.

Portal server

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Question # 5

Which statements about fast roaming are TRUE? (Multiple Choice)

A.

If the encryption and authentication mode is not WPA2+dotlx, non-fast roaming is implemented.

B.

Re-authentication is not required after fast roaming, and the STA only needs to complete 4-way key negotiation.

C.

Re-authentication is not required after fast roaming, and the STA does not need to complete 4-way key negotiation.

D.

Fast roaming can be implemented for any STA so long as APs support fast roaming.

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Question # 6

Which of the following techniques are part of the way to implement STA fast roaming?

A.

PMK caching

B.

Key negotiation down

C.

Improve terminal roaming initiative

D.

Home agent is deployed on the AC

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Question # 7

After setting up tunnels with the active and standby ACs, the AP sends Echo messages to monitor tunnel status. The Echo messages contain the active/standby status of the tunnels. When the AP detects that the primary tunnel fails, it sends an Echo Request message with the active flag to the standby AC. After receiving the Echo Request message, the standby AC becomes the active AC, and the AP sends STA data to this AC.

A.

TRUE

B.

FALSE

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Question # 8

When the STA uses the WPA2-802.1x security policy and supports fast roaming, the STA only needs to perform key negotiation, but does not need to pass 802.lx authentication again during roaming.

A.

TRUE

B.

FALSE

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