Use Real H12-311-ENU Dumps - Huawei Correct Answers updated on 2022
HCIA-WLAN H12-311-ENU Exam Practice Dumps
Huawei H12-311-ENU Exam Syllabus Topics:
| Topic | Details |
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| Topic 2 |
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| Topic 3 |
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NEW QUESTION 63
About the two standards of PoE, which following statement is correct? (Multiple choice)
- A. 802.at support four power levels, only supports five types of line
- B. 802.af standards were made in 2009, the maximum output power is 30W
- C. 802.at is also called PoE+, can be compatible with 802.af device
- D. 802.af is also called PoE+, can be compatible with 802.at equipment
Answer: C
NEW QUESTION 64
There are four wireless STAs. Which workstations occupy the channel preferentially according to the following backoff time parameters?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION 65
In the process of discovering the AC by the thin AP, the first step is to check whether there is a list of pre-configured static AC IP addresses.
- A. False
- B. True
Answer: B
NEW QUESTION 66
A point-to-point wireless bridge can be used to connect two networks that are located at different locations. In a wireless backbone connection, the Root AP and the Leaf AP should be set to different channels.
- A. False
- B. True
Answer: A
NEW QUESTION 67
The port of the CAPWAP protocol control channel is UDP5247, and the port of the data channel is UDP5246.
- A. False
- B. True
Answer: A
NEW QUESTION 68
Which of the following options is the maximum rate supported by the 802.11g protocol?
- A. 54Mbps
- B. 108Mbps
- C. 11Mbps
- D. 22Mbps
Answer: A
NEW QUESTION 69
In a large-scale wireless network deployment scenario, when the AC is configured as "Layer 3 Networking + Side-by-Side Mode + Direct Forwarding", where should the wireless user's gateway be located?
- A. AC on the
- B. AP
- C. Convergence layer on the Layer 3 switch
- D. One-arm router on the
Answer: C
NEW QUESTION 70
The CAPWAP protocol is a WLAN standard proposed by the IEEE standards organization in April 2009 for communication between AC and thin APs.
- A. False
- B. True
Answer: A
NEW QUESTION 71
In the outdoor deployment of WLAN, to prevent obstacles from interfering, just ensure that the antenna height is higher than the obstacle.
- A. False
- B. True
Answer: A
NEW QUESTION 72
The following description of WEP encryption is wrong.
- A. WEP encryption uses a stream encryption algorithm.
- B. WEP encryption adds IV to destroy the regularity of the key.
The length of the IV in C.WEP encryption is 48 bits. - C. WEP encryption allows the device to store four keys at the same time.
Answer: C
NEW QUESTION 73
Which of the following ways can Huawei AP provide power? (Multiple choice)
- A. Powered by PoE switch that complies with 802.3af/820.3at standard
- B. Powered by AC adapter
- C. AC direct power supply
- D. Powering with PoE power supply module
Answer: A,B,D
NEW QUESTION 74
What type of frame does the ACK frame belong to in the WLAN?
- A. Management frame
- B. Control frame
- C. Empty data frame
- D. Data frame
Answer: B
NEW QUESTION 75
TKIP encryption is higher than WEP encryption in security, which of the following are correct? (Multiple choice)
- A. adopt the stronger data validation algorithm
- B. joined the key distribution mechanism, instead of using a single key
- C. adopt longer IV
- D. adopt the more complicated the encryption algorithm
Answer: A,B,C
NEW QUESTION 76
On a small WLAN network, two Fit AP, AP1 and AP2 are deployed. Now AP1 releases two signals, Huawei and HUAWEI. AP2 releases two signals, Huawei and admin, and asks for how many SSID and BSSID in the network?
- A. 4 , 3
- B. 3 , 4
- C. 4 , 4
- D. 3 , 3
Answer: B
NEW QUESTION 77
What kind of technology is implemented by the 802.11a protocol?
- A. OFDM
- B. DSSS
- C. FHSS
- D. MIMO
Answer: A
NEW QUESTION 78
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