[Oct 20, 2022] H12-311_V3.0 PDF Recently Updated Questions Dumps to Improve Exam Score
H12-311_V3.0 Dumps Full Questions with Free PDF Questions to Pass
NEW QUESTION 23
Spread spectrum ( spread-spectrum ) Technology is to use ISM The basis of frequency band transmission of wireless data.
- A. True
- B. False
Answer: A
NEW QUESTION 24
Among the following obstacles, () has the largest loss of wireless signals.
- A. Glass
- B. 200mm concrete wall
- C. 120mm brick wall
- D. Plaster ceiling
Answer: B
NEW QUESTION 25
Capacity planning mainly starts from the aspects of equipment performance, number of users, bandwidth requirements, and wireless environment, and estimates the amount required to meet the business volume. AP number quantity.
- A. True
- B. False
Answer: A
NEW QUESTION 26
Int-Serv The model provides users with end-to-end absolute
- A. Not conducive to traffic monitoring
- B. Limited bandwidth reservation
- C. Low forwarding efficiency
- D. Scalability is not good
Answer: D
Explanation:
QoS Guarantee, but the reason for not successful large-scale commercial use is () .
NEW QUESTION 27
Which of the following 2.4GHz The frequency bands are non-overlapping
channels (). (Select 3 Answers)
- A. 4 and 10
- B. 4 and 8
- C. 3 and 8
- D. 6 and 11
Answer: A,C,D
NEW QUESTION 28
Below does not belong AP The binding template is ().
- A. RF template
- B. AP template
- C. Planning table template
- D. ESS template
Answer: C
NEW QUESTION 29
802.11 What parameters are used in the frame to reorganize the frame segment ()?
- A. Address Bit
- B. Frame Control
- C. Duration
- D. Fragment number
Answer: D
NEW QUESTION 30
In a dual-link backup network, AP According to what distinguishes the main use AC And spare AC of()?
(Select 3 Answers)
- A. AC of IP address
- B. AC response AP Time of day
- C. priority
- D. AC Load condition
Answer: A,C,D
NEW QUESTION 31
AP The size of the coverage area is controlled by ().
(Select 2 Answers)
- A. adjust AP Transmit power
- B. adjust AP Power supply
- C. adjust AP Access bandwidth
- D. adjust AP Antenna angle
Answer: A,D
NEW QUESTION 32
Which is the longest interval between 802.11 frames ()?
- A. SIFS
- B. IFS
- C. DIFS
- D. PIFS
Answer: C
NEW QUESTION 33
Which two of the following are PoE The power supply standard ()? (Select 2 Answers)
- A. IEEE 802.3af
- B. IEEE 802.3as
- C. IEEE 802.3ae
- D. IEEE 802.3at
Answer: A,D
NEW QUESTION 34
Not loaded license Time AC6605 Supported by default AP The number is ().
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION 35
Among the following options, the common WLAN The source of interference is ().
(Select 3 Answers)
- A. remote control
- B. cordless phone
- C. Bluetooth transmission equipment
- D. Micro-wave oven
Answer: B,C,D
NEW QUESTION 36
WLAN AP It can be powered by ().
(Select 3 Answers)
- A. RF cable
- B. POE switcher
- C. POE switch
- D. Independent power adapter
Answer: B,C,D
NEW QUESTION 37
Telnet is one of the ways to manage AP remotely. Telnet authentication based on username and password can be realized through configuration.
- A. True
- B. False
Answer: A
NEW QUESTION 38
802.11 There are three frame types, namely (). (Select 3 Answers)
- A. Business frame
- B. Control frame
- C. Data Frame
- D. Management frame
Answer: B,C,D
NEW QUESTION 39
Huawei Wireless AP What are the two upgrade modes download ()? (Select 2 Answers)
- A. AP Bring your own
- B. BAS
- C. AC download
- D. FTP Server download
Answer: C,D
NEW QUESTION 40
CAPWAP The port number of the control message of the tunnel protocol is ().
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION 41
Which of the following ports can only belong to 1 Piece VLAN ().
- A. trunk
- B. access
- C. eth-trunk
- D. hybrid
Answer: B
NEW QUESTION 42
Which of the following commands can be viewed AC Current configuration()?
- A. display version
- B. display current-configuration
- C. display ap all
- D. display interface
Answer: B
NEW QUESTION 43
What are the prerequisites for users to achieve three-tier roaming ()?
(Select 3 Answers)
- A. The two APs that the user roams over must have the same SSID
- B. The two APs for user roaming switching must have the same VLAN
- C. User roaming requires two AP signals to cover overlapping areas
- D. The SSID released by the two APs of the user roaming handover must have the same authentication method
Answer: A,C,D
NEW QUESTION 44
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