Free Huawei H12-311 Exam Dumps Questions & Answers

The following description of the service VLAN is correct (Select 3 Answers).

• A.  Service VLAN under the service set template
• B.  Mainly responsible for transmitting data when WLAN users access the Internet.
• C.  If data tunneling is used, user data will not be transmitted through the service VLAN.
• D.  PVID VLAN under WLAN ESS interface

The AP domain deployment types are as follows (Select 3 Answers).

• A.  Discrete deployment
• B.  Dense deployment
• C.  Ordinary deployment
• D.  Independent deployment

What are the technical advantages of 802.11n over 802.11a/b/g?

• A.  The other three items are correct
• B.  Downward compatible with 802.11a/b/g protocol
• C.  Support MIMO technology
• D.  Maximum theoretical transmission rate is increased to 600Mbps

What is the network consisting of a wireless AP and associated wireless clients?

• A.  NSS
• B.  IBSS
• C.  BSS
• D.  ESS

When the two-channel center frequency distance is less than or equal to 25 MHz, there is an overlapping area between the channels, and there may be some interference. Therefore, in order to avoid adjacent channel interference in adjacent area channel planning, the same channel is not allowed.

• A.  True
• B.  False