2022 H12-311_V3.0 Dumps PDF - H12-311_V3.0 Real Exam Questions Answers
Valid H12-311_V3.0 Test Answers & Huawei H12-311_V3.0 Exam PDF
NEW QUESTION 97
AC What is the function in the wireless network()? (Select 3 Answers)
- A. Wireless intrusion detection
- B. Centralized management AP
- C. Send beacon frame
- D. Realize roaming function
Answer: A,B,D
NEW QUESTION 98
Defined WLAN Medium service quality 802.11 The agreement is ().
- A. 802.11e
- B. 802.11i
- C. 802.11n
- D. 802.11f
Answer: A
NEW QUESTION 99
Is the following statement about the introduction of frequency planning correct ()?
(Select 2 Answers)
- A. 2.4GHz generally uses 1, 6, 11 three non-overlapping channels for coverage
- B. If the AP is dual-band, it is recommended to use the 5G priority function
- C. Microwave interference will occur in the entire 2.4GHz frequency band
- D. In China, 5GHz generally has 23 non-overlapping channels available
Answer: A,B
NEW QUESTION 100
In the following description of WEP encryption, the error is ().
- A. WEP encryption adds IV to destroy the regularity of the key
- B. The length of IV in WEP encryption is 48 bits
- C. WEP encryption uses a stream encryption algorithm
- D. WEP encryption allows the device to store four keys at the same time
Answer: B
NEW QUESTION 101
Same user VLAN And the same SSID All wireless users can access the Internet, but they can't access each other. What may be the cause of this phenomenon ()?
- A. Access AP Port isolation configured on the switch prevents mutual access between users
- B. AC Configured on ACL , Which prevents mutual access between users
- C. Configured on the user's gateway device ACL , Which prevents mutual access between users
- D. wireless service-set User isolation is configured on the computer to prevent mutual access between users
Answer: D
NEW QUESTION 102
802.11 In the frame, Address Which address bit represents the address of the receiving end of the frame ()?
- A. Address 1
- B. Address 3
- C. Address 4
- D. Address 2
Answer: A
NEW QUESTION 103
support 5GHz What are the wireless LAN standards for frequency
bands ()? (Select 2 Answers)
- A. 802.11a
- B. 802.11b
- C. 802.11g
- D. 802.11n
Answer: A,D
NEW QUESTION 104
Terminal is different VLAN The roaming within belongs to ().
- A. Three-tier roaming
- B. Seamless AP roaming
- C. Two-tier roaming
- D. Four-tier roaming
Answer: A
NEW QUESTION 105
Among the following options, which factors will cause users to be unable to search for wireless network signals ()? (Select 2 Answers)
- A. The wireless controller is equipped with user isolation function
- B. The user's wireless network card driver is abnormal
- C. AP Configured 5G Priority, leading to 2.4G Wireless client cannot find the signal
- D. The user's wireless network card is not enabled or the hardware switch of the wireless network card is not turned on
Answer: B,D
NEW QUESTION 106
Huawei eSight Network management wizard-style configuration WLAN Business needs to be added in the network management first AC equipment.
- A. True
- B. False
Answer: A
NEW QUESTION 107
For outdoor long-distance point-to-point backhaul, the antenna of () should be selected.
- A. High gain, large lobe width
- B. Low gain, large lobe width
- C. Omnidirectional
- D. High gain, small lobe width
Answer: D
NEW QUESTION 108
AP The systematic process of radio frequency resource management is ().
- A. Analysis -> Acquisition -> Decision -> Execution
- B. Acquisition -> Decision -> Analysis -> Execution
- C. Acquisition -> Analysis -> Decision -> Execution
- D. Acquisition -> Analysis -> Execution -> Decision
Answer: C
NEW QUESTION 109
Regarding the functional characteristics of AP6010SN, which of the following statements is correct is ().
(Select 2 Answers)
- A. AP6010SN not only has a built-in antenna, but also an external antenna, which is very convenient
- B. AP6010SN is an indoor distributed AP, which only supports working in the 2.4GHz frequency band
- C. AP6010SN supports WDS function, which can realize point-to-point and point-to-multipoint wireless bridging
- D. AP6010SN has an Ethernet interface and supports 802.3af PoE power supply standard
Answer: C,D
NEW QUESTION 110
If changed AP The configuration parameters of the radio must be restarted AP The order can only take effect.
- A. True
- B. False
Answer: B
NEW QUESTION 111
pass through FTP Way to upgrade AP, You need to ensure AP and FTP Servers can communicate with each other, and AP Put the upgrade file in FTP Root directory.
- A. True
- B. False
Answer: A
NEW QUESTION 112
about 5G The working principle of priority, the following statement is correct ().
- A. 5G Priority characteristics refer to 5G Client sends data first
- B. 5G Priority requires all clients to support at the same time
- C. 5G After the priority is turned on, only support 2.4G The network transmission speed of the client will be slower
- D. 5G Priority request AP Is dual frequency AP Can work normally
Answer: D
Explanation:
2.4GHz and 5GHz Frequency band
NEW QUESTION 113
The equipment manufacturer can usually be judged according to the following ().
- A. MAC address
- B. SSID
- C. channel
- D. Encryption type
Answer: A
NEW QUESTION 114
thin AP Find AC In the process, the first step is AP Check if there is pre-configured static AC of IP List.
- A. True
- B. False
Answer: A
NEW QUESTION 115
The following description of the classification and functions of Huawei APs, the correct statement is ().
(Select 3 Answers)
- A. AP6610DN is a gigabit fiber interface, so it cannot be directly connected to AC6605
- B. AP6310SN is an indoor distributed AP
- C. AP6010SN and AP6010DN are indoor APs
- D. AP6510DN and AP6610DN are both outdoor APs
Answer: B,C,D
NEW QUESTION 116
802.11g What is the bandwidth of each channel of the frequency band ()?
- A. 20 MHz
- B. 50 MHz
- C. 22 MHz
- D. 25 MHz
Answer: A
NEW QUESTION 117
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