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Huawei H12-311 Exam Syllabus Topics:
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NEW QUESTION 94
Wireless client passive scanning is obtained by receiving what frames to get around the wireless network information?
- A. Probe Request frame
- B. Authentication frame
- C. Beacon frame
- D. Association Request frame
Answer: C
NEW QUESTION 95
Which of the following standards organization for the WLAN device is certified to achieve interoperability of WLAN technology?
- A. WiFi Alliance
- B. IEEE
- C. FCC
- D. IETF
Answer: A
NEW QUESTION 96
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. False
- B. True
Answer: A
NEW QUESTION 97
Telnet is one of the ways to remotely manage APs. You can configure telnet authentication based on username and password.
- A. False
- B. True
Answer: B
NEW QUESTION 98
What kind of technology is implemented by the 802.11a protocol?
- A. OFDM
- B. FHSS
- C. MIMO
- D. DSSS
Answer: A
NEW QUESTION 99
What is the wireless client's active scanning to get the surrounding wireless network information by sending frames?
- A. Probe Request frame
- B. Beacon frame
- C. Association Request frame
- D. Authentication Request frame
Answer: A
NEW QUESTION 100
What are the reasons why users may not be able to connect to the WLAN properly? (Multiple choice)
- A. AP has too many connected users
- B. Weak wireless signal
- C. There are many sources of signal interference around
- D. AP is blacklisted
Answer: A,B,C,D
NEW QUESTION 101
You can plan the area in the WLAN Planner tool and import the exported planning file to the eSight to complete the planning of the area.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 102
About the networking mode, which description is true?
- A. in direct-connect networking, AP business data can reach the upward network without going through AC
- B. the advantage of three layer networking is simple configuration, establishing networking easily
- C. relative to the three layers networking, the layer two networking is more suitable for park, sports venues and other large network
- D. if the ability of AC processing the data is weak, it is recommended to use hanging by networking
Answer: D
NEW QUESTION 103
If a BSS is composed entirely of STAs, what is the BSS also called?
- A. SSID
- B. IBSS
- C. BSA
- D. ESS
Answer: B
NEW QUESTION 104
The architecture of the WLAN is mainly divided into a controller-based thin AP architecture and a traditional independent fat AP architecture.
- A. False
- B. True
Answer: B
NEW QUESTION 105
Which of the following options does belong to the EDCA parameters? (Multiple Choice)
- A. AIFSN
- B. SIFS
- C. TXOPLimit
- D. DIFS
Answer: A,C
NEW QUESTION 106
An engineer received a customer complaint, the signal in the room was not good. The engineer suspected that the channel interference was serious. Use the following command to view the AP RF information in the room and get the following output. Which of the following statement is wrong?
[[AC6605] display radio ap-id 0
CH/BW: Channel/Bandwidth
CE: Current EIRP (dBm)
ME: Max EIRP (dBm)
CU: Channel utilization
---------------------------------------------------------------------------------------------------------------
AP ID Name RfID Band Type Status CH/BW CE/ME STA CU
0 ap-2 0 2.4G bgn on 1/20M 27/27 0 31%
0 ap-2 0 5G an on 149/20M 28/28 0 2%
---------------------------------------------------------------------------------------------------------------
Total: 2
- A. AP has two RF ports.
- B. AP can support 802.11ac because the AP supports the 5G band.
- C. The ap-id of the AP is 0.
- D. The current channel of the AP in the 2.4G band is 1, and the channel in the 5G band is 149.
Answer: B
NEW QUESTION 107
How much Mbps is the maximum rate supported by the original 802.11 protocol?
- A. 0
- B. 5.5
- C. 1
- D. 2
Answer: C
NEW QUESTION 108
Regarding the AP6610DN, the following statement is wrong.
- A. AP6610DN is an enhanced outdoor AP
- B. AP6610DN is a dual-band AP, in which the 5GHz band can be used for both wireless bridging and user access.
- C. AP6610 only has one Ethernet interface, the maximum bandwidth is 1000M
- D. AP66010DN supports both Ethernet interface and fiber interface.
Answer: C
NEW QUESTION 109
The power of the indoor AP is generally mW.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION 110
Which of the following are PoE's power supply standards? (Multiple choice)
- A. IEEE 802.3ae
- B. IEEE 802.3af
- C. IEEE 802.3at
- D. IEEE 802.3as
Answer: B,C
NEW QUESTION 111
What is the name of the first radio communication network based on packet technology?
- A. INTERNET
- B. NSFnet
- C. ALOHAnet
- D. ARPANet
Answer: C
NEW QUESTION 112
What are the main contents of the CAPWAP protocol? (Multiple choice)
- A. AC manages the AP and delivers the service configuration.
- B. AP automatic discovery of AC and state machine operation and maintenance of AP&AC
- C. Define the transmission rate of the MAC layer and the physical layer
- D. STA data encapsulates the CAPWAP tunnel for forwarding
Answer: A,B,D
NEW QUESTION 113
In the WDS deployment, which types of bridge networking modes are included (Select 3 Answers)?
- A. Relay bridge mode
- B. Multi-point to multi-point mode
- C. Point-to-multipoint mode
- D. Point-to-point mode
Answer: A,C,D
NEW QUESTION 114
The eSight network management system is Huawei's dedicated network management platform, so you can only manage Huawei's own devices.
- A. False
- B. True
Answer: A
NEW QUESTION 115
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