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H12-311 Exam PDF [2022] Tests Free Updated Today with Correct 300 Questions
Huawei H12-311 Exam Syllabus Topics:
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NEW QUESTION 113
Which of the following technologies works at 5 GHz (Select 2 Answers)?
- A. Radar
- B. Digital Satellite
- C. Infrared
- D. Bluetooth
Answer: A,B
NEW QUESTION 114
In the 802.11 frame, what is the value used to record the network allocation vector (NAV)?
- A. Duration
- B. Sequence control bits
- C. Frame Control
- D. address bit
Answer: A
NEW QUESTION 115
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. AP66010DN supports both Ethernet interface and fiber interface.
- D. AP6610 only has one Ethernet interface, the maximum bandwidth is 1000M
Answer: D
NEW QUESTION 116
Huawei AP6310AP is an outdoor AP that supports WDS and implements point-to-multipoint wireless bridging.
- A. False
- B. True
Answer: A
NEW QUESTION 117
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 118
In the following options, ( ) is the cause of priority access using 5G.
- A. 5G band transmission rate is higher than 2.4 G band
- B. 5G band can provide better access to power and capacity
- C. 5G band of users connected to the AP quickly
- D. more easily under 5G band for network planning
Answer: B
NEW QUESTION 119
When PPPoE authentication is used in WLAN, it has nothing to do with the authentication encryption used by the WLAN itself.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 120
Which of the following statement about ap-group is correct? (Multiple choice)
- A. APs in the same ap-group can call the same security policy uniformly.
- B. AP can belong to two ap-groups at the same time, so that roaming is more optimized.
- C. If you do not configure, all APs belong to ap-group default by default.
- D. AP in the same ap-group can perform SSID configuration uniformly.
Answer: A,C,D
NEW QUESTION 121
According to the following output, the following statement is correct (Select 2 Answers).
<Quidway> display device
AC6605-26-PWR's Device status:
Slot Sub Type Online Power Register Status Role
0 - AC6605-26 Present PowerOn Registered Normal Master
POWER Present PowerOn Registered Normal NA
- A. The user is currently on the wireless side of the AC.
- B. Currently the user is on the wired side of the AC.
- C. To achieve the relevant configuration of the WLAN, the user must first switch to the wireless side through CTRL+Y.
- D. According to the output, the AC6605 adopts the POE power supply module.
Answer: B,C
NEW QUESTION 122
The AP or AC performing the connectivity test must be online.
- A. False
- B. True
Answer: B
NEW QUESTION 123
Which country or region is ETSI a standard organization?
- A. Japan
- B. Europe
- C. China
- D. USA
Answer: D
NEW QUESTION 124
The following statement is correct (Select 2 Answers)?
- A. The web authentication is triggered by the user's http packet before the IP address is successfully obtained. At this time, the user is forced to redirect to the portal server to perform the authentication process.
- B. WPA2 uses 802.1X authentication
- C. When the user obtains the IP address successfully, the user triggers the HTTP packet of the user. At this time, the user is forced to redirect to the portal server to perform the authentication process.
- D. WPA only supports one encryption technology of TKIP
Answer: B,C
NEW QUESTION 125
Each AC device needs to specify the source IP address of the AC to establish a CAPWAP tunnel with the AP.
One AC can specify up to two WLAN source IP addresses.
- A. False
- B. True
Answer: A
NEW QUESTION 126
Which of the following protocols is defined in the Mesh networking?
- A. 802.11e
- B. 802.11g
- C. 802.11s
- D. 802.11a
Answer: C
NEW QUESTION 127
When an 802.11 packet sent by a STA enters the Ethernet through the AP, it is converted into an 802.3 packet. Which of the following is not a priority mapping method?
- A. According to the order in which the packets arrive at the AP
- B. No priority mapping
- C. Set different priorities according to different VAPs
- D. Map to priority according to UP
Answer: A
NEW QUESTION 128
When deploying APs on multiple floors of a building, the factor to be aware of is (Select 3 Answers).
- A. In order not to affect the appearance, the AP should be hidden in the ceiling
- B. Other interference signals
- C. Material of the wall
- D. Unified planning channel
Answer: B,C,D
NEW QUESTION 129
When the channel interference of the 2.4 GHz band is large and severe, the device is adjusted to 3 channels, which can effectively reduce interference.
- A. False
- B. True
Answer: A
NEW QUESTION 130
According to the following output, the following statement is correct (Select 3 Answers).
<Quidway> display version
Huawei Versatile Routing Platform Software
VRP (R) software, Version 5.70 (AC6605 V200R001C00)
Copyright (C) 2003-2012 Huawei TECH CO., LTD
Quidway AC6605-PWR Routing Switch uptime is 0 week, 1 day, 23 hours, 33 minutes
H852V26S 0(Master) : uptime is 0 week, 1 day, 23 hours, 33 minutes
512M bytes DDR Memory
128M bytes FLASH
Check the running status of the AC6605.
- A. display version can see that the VRP version number of today's devices is 5.70.
- B. The total flash size of the device is 128 Mbytes.
- C. Currently the device has used 512 Mbytes of system memory.
- D. The equipment has been running continuously for 1 day, 23 hours and 33 minutes.
Answer: A,B,D
NEW QUESTION 131
What is the coverage of the AP (Select 3 Answers).
- A. AP transmit power
- B. Antenna gain
- C. AP size
- D. Transmission loss
Answer: A,B,D
NEW QUESTION 132
The AC6605 supports three ways to establish AP and AC interworking. What are the options (Select 3 Answers)?
- A. Find the AP through multicast and automatically go online
- B. Offline increase AP
- C. Automatically discover AP and go online normally
- D. Automatically discover the AP and confirm the online
Answer: B,C,D
NEW QUESTION 133
The two bands of an AP that implements spectrum navigation must use the same SSID and security policy.
- A. False
- B. True
Answer: B
NEW QUESTION 134
Which of the following rates is not the rate supported by the 802.11a protocol?
- A. 24Mbps
- B. 6Mbps
- C. 12Mbps
- D. 30Mbps
Answer: D
NEW QUESTION 135
The gain of the antenna A is 11 dBi, and the gain of the antenna B is 8 dBi, it can be said that, how much is the gain of the antenna A larger than that of the antenna B?
- A. Uncertain
- B. 3 dBd
- C. 3 dBi
- D. 3 dB
Answer: D
NEW QUESTION 136
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