H12-311_V3.0 Practice Questions

A.  

SIFS

B.  

PIFS

C.  

DIFS

D.  

IFS

A.  

The user tries his best to ensure that the planning data is detailed when planning the data, which will greatly facilitate the later configuration

B.  

Before sending the configuration to the AP, the AP must be online

C.  

Configure the WMM template can be directly bound to the antenna

D.  

The WMM template is bound to the RF template

A.  

802.11f

B.  

802.11i

C.  

802.11e

D.  

802.11n

A.  

Power divider and coupler are equal power distribution

B.  

The power divider is equal power distribution, and the coupler is unequal power distribution

C.  

The power divider is unequal power distribution, and the coupler is equal power distribution

D.  

Power divider and coupler are unequal power distribution

A.  

Dual-link backup technology improves network reliability at important network nodes and ensures business stability

B.  

Prepare AC Always be in the power-on state

C.  

exist AP With active and standby AC In the process of establishing active and standby links, the link established first must be the active link

D.  

Active and standby AC The network service configuration on the Internet must be consistent

A.  

No priority mapping

B.  

According to different VAP Set different priorities

C.  

Arrive according to the message AP Precedence

D.  

according to UP Map to priority

A.  

SSID Technology can divide a wireless local area network into several sub-networks that require different authentication. Each sub-network requires independent

authentication. Only users who pass the authentication can enter the corresponding sub-network to prevent unauthorized users from entering This network.

B.  

BSSID Is actually AP of MAC Address, used to identify AP Managed BSS , In the same AP Inside BSSID and SSID One-to-one mapping.

C.  

Users can be in different SSID Roaming is realized below.

D.  

in a ESS Inside SSID Is the same, but for ESS Within each AP Corresponding BSSID Are not the same. If oneAP Can support multiple at the

same time SSID , Then AP Will assign different BSSID To correspond to these SSID .

A.  

True

B.  

False

A.  

7

B.  

8

C.  

9

D.  

10

A.  

manage VLAN

B.  

Serve VLAN

C.  

user VLAN

D.  

Certification VLAN