New H12-311_V3.0 Dumps For Preparing HCIA-WLAN Certified Huawei Exam Well

Updated H12-311_V3.0 Dumps Questions Are Available [2022] For Passing Huawei Exam

NEW QUESTION 57
and 802.11a/b/g The standards are different, 802.11n Protocol is dual-frequency working mode (support 2.4GHz and 5GHz Two working frequency bands).

• A. True
• B. False

Answer: A

 

NEW QUESTION 58
service-set What are the options that can be configured under ()? (Select 3 Answers)

• A. Can call wlan-ess Interface and configuration service-vlan
• B. able to pass ssid xxxx Configuration SSID String
• C. The forwarding mode can be configured as direct-forward or tunnel-forward
• D. Can be bound wmm-profile

Answer: A,B,C

 

NEW QUESTION 59
In the following description of WEP encryption, the error is ().

• A. WEP encryption adds IV to destroy the regularity of the key
• B. The length of IV in WEP encryption is 48 bits
• C. WEP encryption allows the device to store four keys at the same time
• D. WEP encryption uses a stream encryption algorithm

Answer: B

 

NEW QUESTION 60
AAA It is a management framework, which is commonly used to implement () protocol.

• A. 802.11a/b/g/n
• B. 802.1X
• C. CAPWAP
• D. RADIUS

Answer: D

 

NEW QUESTION 61
Huawei Wireless Controller AC6605 The upgrade operation can only be performed on the wired side of the controller.

• A. True
• B. False

Answer: A

 

NEW QUESTION 62
The following is for thin AP Is the description correct ()?

• A. thin AP Cannot be configured separately, must be used in conjunction with the wireless controller
• B. thin AP Also known as wireless router
• C. thin AP Because of lack of function, is gradually getting fat AP replace
• D. thin AP can be realised 802.1X Authentication, encryption and other functions, others such as QoS, Roaming functions are implemented on the wireless controller

Answer: A

 

NEW QUESTION 63
CAPWAP Tunnel encapsulation AC The port number of the side data packet is5246 , The control message port number is5247 .

• A. True
• B. False

Answer: B

 

NEW QUESTION 64
For outdoor long-distance point-to-point backhaul, the antenna of () should be selected.

• A. High gain, small lobe width
• B. Omnidirectional
• C. Low gain, large lobe width
• D. High gain, large lobe width

Answer: A

 

NEW QUESTION 65
original 802.11 What is the working frequency band used by the agreement ()?

• A. 2.0 GHz
• B. 900 MHz
• C. 5 GHz
• D. 2.4 GHz

Answer: D

 

NEW QUESTION 66
Huawei AP The product can only support one configuration SSID .

• A. True
• B. False

Answer: B

 

NEW QUESTION 67
thin AP In the networking, which of the following authentication methods is not required in the authentication process AC participate().

• A. 802.1X Certification
• B. PSK Certification
• C. Portal Certification
• D. Shared key authentication

Answer: D

 

NEW QUESTION 68
802.11 There are three frame types, namely (). (Select 3 Answers)

• A. Data Frame
• B. Management frame
• C. Control frame
• D. Business frame

Answer: A,B,C

 

NEW QUESTION 69
antenna A The gain is 11dBi ,antenna B The gain is 8dBi , You can say the antenna A Than antenna B The gain is large ().

• A. 3 dB
• B. 3 dBd
• C. uncertain
• D. 3 dBi

Answer: A

 

NEW QUESTION 70
User number 300 People, concurrency rate 70% , Terminal support 2.4GHz and 5GHz Frequency band, in accordance with each AP Maximum number of dual-band access users40 people Consider, need at least () AP Able to meet capacity requirements?

• A. 0
• B. 1
• C. 2
• D. 3

Answer: C

 

NEW QUESTION 71
exist 1 Floor deployment 3 Piece AP, The channels from left to right are 1,6,11, At this time 2 Floor deployment 3 Piece AP Channel should be be divided into( ).

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

Answer: C

 

NEW QUESTION 72
Metal objects have a greater attenuation effect on wireless signals, AP Or the antenna should not be placed behind a metal ceiling, etc.

• A. True
• B. False

Answer: A

 

NEW QUESTION 73
802.11a exist 20M How many sub-carriers can be used to transmit data in the mode ()?

• A. 0
• B. 1
• C. 2
• D. 3

Answer: C

 

NEW QUESTION 74
What are the general methods to solve co-channel interference (). (Select 3 Answers)

• A. Reasonable frequency reuse to ensure that the same channel does not appear in the same or adjacent coverage areas
• B. Use omnidirectional antennas for coverage
• C. adjust AP Transmit power, adjust antenna feeder
• D. Use obstacles for natural isolation

Answer: A,C,D

 

NEW QUESTION 75
about" AP6010DN

• A. AP6010DN
• B. AP6010DN middle"N"represent AP Yes 802.11n of AP
• C. AP6010DN
  "The following statement is incorrect for the naming ()
  middle" AP"Enterprise network AP In the specific prefix " 601"
  On behalf of the standard indoor installation type
  .
  1 generation
• D. AP6010DN middle"D"represent AP Is dual frequency AP, While supporting 2.4GHz ,5GHz Frequency band

Answer: B

 

NEW QUESTION 76
create radio-profile Must be bound wmm-profile Only possible, otherwise there will be configuration errors.

• A. True
• B. False

Answer: A

 

NEW QUESTION 77
IEEE It is the standards organization responsible for the use of wireless frequencies in the United States.

• A. True
• B. False

Answer: B

 

NEW QUESTION 78
for AC+ thin AP The network architecture, the following description is wrong ().

• A. AP Can't work alone, need to be AC Centralized agent maintenance management
• B. AP Zero configuration itself, suitable for large-scale networking
• C. able to pass AC Enhance business QoS, Security and other functions
• D. Must be achieved through the network management system AP And user management

Answer: D

 

NEW QUESTION 79
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