HUAWEI H12-311 Free Practice Questions

NEW QUESTION 1
When configuring a WLAN network, which WQ template should be bound to the following template?

• A. radio-profile
• B. traffic-profile
• C. security-profile
• D. service-set

Answer: B

NEW QUESTION 2
What are the technical advantages of 802.11n over 802.11a/b/g?

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

Answer: C

NEW QUESTION 3
What is the area covered by a single AP?

• A. BSA
• B. ESA
• C. SSA
• D. TSA

Answer: A

NEW QUESTION 4
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

Answer: B

NEW QUESTION 5
Which technology is below the wireless metropolitan area network?

• A. 2G/3G
• B. WLAN
• C. Bluetooth
• D. WiMAX

Answer: B

NEW QUESTION 6
The following description of the PSK certification is incorrect.

• A. PSK authentication requires the same pre-shared key to be configured on the wireless client and device side.
• B. WPA and WPA2 support PSK certification
• C. PSK authentication process is similar to the shared key authentication process, so the security is the same.
• D. PSK authentication is to verify the legitimacy of the STA side key through 4-way handshake key negotiation.

Answer: A

NEW QUESTION 7
In the 802.11 frame, when the network uses the WDS model for signal transmission, what are the values of To DS and From DS, respectively?

• A. 0,0
• B. 0,1
• C. 1,0
• D. 1,1

Answer: A

NEW QUESTION 8
If the demand for WLAN capacity is high in a coverage area, the construction method of should be considered.

• A. Indoor distribution system combination road
• B. Outdoor distribution system combination road
• C. Indoor installation
• D. Outdoor type AP+ directional antenna

Answer: C

NEW QUESTION 9
What is the command for the Huawei AC6605 to switch between the wired side and the wireless side?

• A. Ctrl+B
• B. Ctrl+X
• C. Ctrl+Y
• D. Ctrl+Z

Answer: B

NEW QUESTION 10
The 802.11 physical layer standard defines some common operations of the wireless network at the physical layer: operations such as QoS, security, and roaming.

• A. True
• B. False

Answer: B

NEW QUESTION 11
The upgrade operation of the Huawei wireless controller AC6605 can only be performed on the wired side of the controller.

• A. True
• B. False

Answer: A

NEW QUESTION 12
The description of the following WLAN networking diagram is wrong.

• A. The picture is a side-by-side networking
• B. PVIDA of the management VLAN can be configured on the access switch.
• C. You can use the AC as the DHCP server to assign an IP address to the AP.
• D. You cannot use an aggregation switch to assign an IP address to a ST

Answer: D

NEW QUESTION 13
The naming of the "AP6010DN" is incorrect.

• A. AP in AP6010DN is the specific prefix of the AP of the enterprise network.
• B. AP6010DN "601" represents the standard indoor placement type 1st generation
• C. The “D” in the AP6010DN represents that the AP is a dual-band AP and supports the 2.4GHz and 5GHz bands.
• D. "N" in AP6010DN means AP is an 802.11n A

Answer: D

NEW QUESTION 14
WDS technology increases the filexibility and convenience of the entire network structure, but only supports peer-to-peer mode of operation.

• A. True
• B. False

Answer: B

NEW QUESTION 15
The AP domain deployment types are as follows (Select 3 Answers).

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

Answer: BCD

NEW QUESTION 16
The following statement about antenna classification is correct (Select 2 Answers)?

• A. Classification by direction: omnidirectional antenna, directional antenna, etc.
• B. Classification by shape: wire antenna, planar antenna, etc.
• C. Classification by use: short wave antenna, ultrashort wave antenna, microwave antenna, etc.
• D. Classification by working frequency band: communication antenna, TV antenna, radar antenna, etc.

Answer: AB

NEW QUESTION 17
To create a radio-profile, you must bind wmm-profile, or you will get an error.

• A. True
• B. False

Answer: A

NEW QUESTION 18
Spread-spectrum technology is the basis for transmitting wireless data using the ISM band.

• A. True
• B. False

Answer: A

NEW QUESTION 19
Configure the authentication mode of the AP. What are the authentication modes supported by the AP (Select 3 Answers)?

• A. mac-auth
• B. sn-auth
• C. no-auth
• D. mac-sn-auth

Answer: ABC

NEW QUESTION 20
The AP can provide power and data transmission through the POE switch.

• A. True
• B. False

Answer: A

NEW QUESTION 21
The systematic process of AP RF resource management is.

• A. Acquisition -> Decision -> Analysis -> Execution
• B. Analysis -> Acquisition -> Decision -> Execution
• C. Acquisition -> Analysis -> Execution -> Decision
• D. Acquisition -> Analysis -> Decision -> Execution

Answer: D

NEW QUESTION 22
Commonly used RF cables for WLAN systems are (ABC) (Select 3 Answers).

• A. RG-8 jumper
• B. 1/2" (inch) super soft feeder
• C. 1/2" (inch) feeder
• D. 13/8" (inch) feeder

Answer: ABC

NEW QUESTION 23
Huawei Plug-in Controllers Which series of switches (Select 3 Answers) are available for Huawei ACU boards?

• A. S9300 series switches
• B. S9700 series switches
• C. S7700 series switches
• D. S5700 series switches

Answer: ABC

NEW QUESTION 24
The three APs deployed on the first floor have channels from left to right, 1, 6, and 11, respectively. The channels of the three APs deployed on the second floor should be divided into.

• A. 1,6,11
• B. 2,7,12
• C. 6,11,1
• D. 11,6,1

Answer: C

NEW QUESTION 25
What is the function of the AC in the wireless network (Select 3 Answers)?

• A. Centralized management AP
• B. Implement roaming function
• C. Send beacon frame
• D. Wireless intrusion detection

Answer: ABD

NEW QUESTION 26
The networking mode can be divided into a Layer 2 networking mode and a Layer 3 networking mode based on the network architecture between the AP and the AC.

• A. True
• B. False

Answer: A

NEW QUESTION 27
If an AP has been added offline, the AP can go online directly.

• A. True
• B. False

Answer: A

NEW QUESTION 28
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