H12-311_V3.0 Exam Dumps - PDF Questions and Testing Engine
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NEW QUESTION 125
Which of the following descriptions of business VLAN is correct is ().
(Select 3 Answers)
- A. Service VLAN under the service set template
- B. PVID VLAN under the WLAN ESS interface
- C. If the data tunnel is used for forwarding, user data will not be transmitted through the business VLAN business
- D. Mainly responsible for transmitting data when WLAN users go online
Answer: A,B,D
NEW QUESTION 126
Among the following encryption methods, the most secure is ()
- A. CCMP encryption
- B. TKIP encryption
- C. WEP encryption
- D. Plaintext encryption
Answer: A
NEW QUESTION 127
Which of the following devices belong to Huawei Wireless Dual Band AP(Access Point )?
(Select 2 Answers)
- A. AP6010SN
- B. AP6010DN
- C. AP5010DN
- D. AP5010SN
Answer: B,C
NEW QUESTION 128
Which of the following is IEEE A wireless local area network standard originally formulated ()?
- A. IEEE 802.10
- B. IEEE 802.11
- C. IEEE 802.16
- D. IEEE 802.12
Answer: B
NEW QUESTION 129
Wireless network engineer WLAN When planning the network, use RF The purpose of simul-ation is (). (Select 3 Answers)
- A. Get available bandwidth in different locations
- B. Get the current signal-to-noise ratio of different locations
- C. Obtain the field strength distribution of different locations
- D. Analog signal coverage effect, find blind spots
Answer: B,C,D
NEW QUESTION 130
If a AP Has been added offline, then AP You can go online directly.
- A. False
- B. True
Answer: B
NEW QUESTION 131
MIMO The antenna configuration is usually expressed as " M*N ",in M and N What does each mean ()?
(Select 2 Answers)
- A. N Indicates the number of receiving antennas
- B. M Indicates the number of receiving antennas
- C. M Indicates the number of transmission antennas
- D. N Indicates the number of transmission antennas
Answer: A,C
NEW QUESTION 132
display ap all Command can be viewed AP of MAC ,Type And running status.
- A. False
- B. True
Answer: B
NEW QUESTION 133
AP If you want to pass DNS Server fetch AC of IP Address, first get your own IP address,DHCP Server and DNS of IP address.
- A. False
- B. True
Answer: B
NEW QUESTION 134
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 135
The index used to describe the degree of antenna convergence of the transmit power is (
- A. polarity
- B. power
- C. Broadband
- D. Gain
).
Answer: D
NEW QUESTION 136
For outdoor WLAN Cover, the following statement is correct ().
(Select 3 Answers)
- A. The feeder interface must match the selected antenna
- B. The higher the antenna gain, the stronger the antenna directivity, and the weaker the radiation gain directly below the antenna
- C. The length of the feeder must not exceed 2 rice
- D. Outdoor antennas should not blindly pursue high gain
Answer: A,B,D
NEW QUESTION 137
The 802.11 physical layer standard defines some common operations on the physical layer of wireless networks: such as QoS, security, and roaming operations.
- A. True
- B. False
Answer: B
NEW QUESTION 138
Which two of the following are PoE The power supply standard ()? (Select 2 Answers)
- A. IEEE 802.3as
- B. IEEE 802.3ae
- C. IEEE 802.3af
- D. IEEE 802.3at
Answer: C,D
NEW QUESTION 139
Mesh Networking is defined in which of the following protocols ()?
- A. 802.11a
- B. 802.11g
- C. 802.11e
- D. 802.11s
Answer: D
NEW QUESTION 140
AP The systematic process of radio frequency resource management is ().
- A. Analysis -> Acquisition -> Decision -> Execution
- B. Acquisition -> Analysis -> Decision -> Execution
- C. Acquisition -> Decision -> Analysis -> Execution
- D. Acquisition -> Analysis -> Execution -> Decision
Answer: B
NEW QUESTION 141
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. Must be achieved through the network management system AP And user management
- C. AP Zero configuration itself, suitable for large-scale networking
- D. able to pass AC Enhance business QoS, Security and other functions
Answer: B
NEW QUESTION 142
The omnidirectional antenna appears on the horizontal pattern as ()Spend.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION 143
create radio-profile Must be bound wmm-profile Only possible, otherwise there will be configuration errors.
- A. False
- B. True
Answer: B
NEW QUESTION 144
AP There are several types of domain deployment (). (Select 3 Answers)
- A. Discrete deployment
- B. Densely deployed
- C. Independent deployment
- D. Ordinary deployment
Answer: A,B,D
NEW QUESTION 145
In a point-to-multipoint networking environment, one device serves as the central device, and all other devices only establish wireless bridges with the central device to realize the interconnection of multiple networks. The disadvantage is that the intercommunication of multiple branch networks must be forwarded through the central bridge device.
- A. False
- B. True
Answer: B
NEW QUESTION 146
The gain of the antenna can be explained ().
- A. The antenna's ability to collect or emit electromagnetic waves in a certain direction is strong or weak
- B. Ability to amplify electromagnetic waves
- C. The antenna's ability to collect or emit electromagnetic waves in all directions is strong or weak
- D. Antenna's ability to amplify high-frequency electrical signals
Answer: A
NEW QUESTION 147
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