Grab latest Huawei H12-311 Dumps as PDF Updated on 2022
Newly Released H12-311 Dumps for HCIA-WLAN Certified
NEW QUESTION 91
To avoid reconfiguration of data when an AP on the network is faulty, you can quickly replace APs by configuring AP replacement.
- A. False
- B. True
Answer: B
NEW QUESTION 92
To create a radio-profile, you must bind wmm-profile, or you will get an error.
- A. False
- B. True
Answer: B
NEW QUESTION 93
According to the different parameters of the control signal, what can be divided into by modulation mode? (Multiple Choice)
- A. FM
- B. AM
- C. SM
- D. PM
Answer: A,B,D
NEW QUESTION 94
Which of the following statement are correct about the classification of the antenna?
(Multiple choice)
- A. according to the working frequency band classification: communication antenna, TV antenna, radar antenna, etc
- B. according to the classification of direction: omni-directional antenna, directional antenna, etc
- C. according to use classification: shortwave antenna, ultra-short wave antenna and microwave antenna, etc
- D. according to the shape classification: linear antenna, planar antenna, etc
Answer: B,D
NEW QUESTION 95
Spread-spectrum technology is the basis for transmitting wireless data using the ISM band.
- A. False
- B. True
Answer: B
NEW QUESTION 96
The correct statement about WDS is (Select 2 Answers)?
- A. Huawei indoor AP does not support WDS function.
- B. Scalability is good, and there is no need to lay new wired connections and deploy more APs
- C. WDS uses the 2.4GHz band as the bridge frequency band by default.
- D. Connect two separate LAN segments through a wireless bridge and provide data transmission between them
Answer: B,D
NEW QUESTION 97
What are the prerequisites for users to achieve three-layer roaming? (Multiple choice)
- A. The SSID released by the two APs of the user roaming switch must have the same authentication method.
- B. User roaming requires two AP signals to be covered with overlapping areas
- C. Two APs for user roaming switch must have the same VLAN
- D. Two APs for user roaming switch must have the same SSID
Answer: A,B,D
NEW QUESTION 98
In an 802.11 frame, the terminal needs to obtain access rights to the wireless medium. Which control message need to be sent?
- A. PS-Poll
- B. RTS
- C. CTS
- D. ACK
Answer: B
NEW QUESTION 99
Which of the following is wireless LAN standards originally formulated by IEEE?
- A. IEEE 802.11
- B. IEEE 802.10
- C. IEEE 802.12
- D. IEEE 802.16
Answer: A
NEW QUESTION 100
For dBm, dB, dBi, the following description is correct (Select 3 Answers).
- A. If the antenna is 12dBi and the antenna is 14dBi, it can be said that A is smaller than 2D.
- B. dBi and dBd: characterize the relative value of the gain
- C. dBm: characterizes the absolute value of power
- D. dB: Characterizing the relative value of power
Answer: B,C,D
NEW QUESTION 101
Commonly used RF cables for WLAN systems are (ABC) (Select 3 Answers).
- A. RG-8 jumper
- B. 1/2" (inch) feeder
- C. 1/2" (inch) super soft feeder
- D. 13/8" (inch) feeder
Answer: A,B,C
NEW QUESTION 102
Which of the following commands is to add GE 0/0/1 of Huawei access switch to VLAN 100?
- A. interface GigabitEthernet 0/0/1 Port link-type trunk Trunk allow-pass VLAN 100
- B. interface GigabitEthernet 0/0/1 Port link-type access Port default VLAN 100
- C. interface GigabitEthernet 0/0/1 Port link-type trunk VLAN 100
- D. interface GigabitEthernet 0/0/1 Port link-type acess Port allow-pass VLAN 100
Answer: B
NEW QUESTION 103
If a wireless client is connected to the same SSID of two APs, then what determines which wireless AP the wireless terminal is connected to?
- A. ESSID
- B. BSA
- C. SSID
- D. BSSID
Answer: D
NEW QUESTION 104
Which of the following standards organizations is implementing WLAN technology interoperability for WLAN device authentication?
- A. IEEE
- B. WiFi Alliance
- C. IETF
- D. FCC
Answer: B
NEW QUESTION 105
AP transmission power 20dBM, antenna gain 4dBi, cable and device loss 1 dB, terminal receiving antenna gain 2dBi, space transmission loss 80 db, terminal reception level RSSI= ().
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION 106
What is the Chinese name of SSID?
- A. Basic service area
- B. Extended service set
- C. Service set identifier
- D. Basic service set
Answer: C
NEW QUESTION 107
What are the technical advantages of 802.11n over 802.11a/b/g?
- A. Downward compatible with 802.11a/b/g protocol
- B. Maximum theoretical transmission rate is increased to 600Mbps
- C. The other three items are correct
- D. Support MIMO technology
Answer: D
NEW QUESTION 108
Which of the following statements are correct? (Multiple Choice)
- A. WPA only support TKIP encryption technology
- B. WPA2 adopted authentication of 802.1X
- C. When the user is in the process of web authentication, which is before obtaining IP address successfully, triggered by the user's HTTP message; at this time, forced to redirect to the portal server, carries on the authentication process
- D. When the user is in the process of web authentication, which is after obtaining IP address successfully, triggered by the user's HTTP message; at this time, forced to redirect to the portal server, carries on the authentication process
Answer: B,D
NEW QUESTION 109
Huawei AC controller AC6605 supports user access security management through security templates and supports WEP, WPA/WPA2, and WAPI security policies.
- A. False
- B. True
Answer: B
NEW QUESTION 110
After a wireless user connects to a wireless signal point, they cannot obtain an IP address. What are the possible reasons (Select 2 Answers)?
- A. The MAC address of the user device has been added to the blacklist.
- B. The user-specified authentication password is incorrect.
- C. The DHCP server is not configured in the VLAN where the user is located. The dhcp-enable command is not configured on the
- D. wlan-ess virtual interface.
Answer: C,D
NEW QUESTION 111
In the WLAN configuration, how many types that related to VLAN? (Multiple choice)
- A. certify VLAN
- B. manage VLAN
- C. service VLAN
- D. User VLAN
Answer: B,C,D
NEW QUESTION 112
The following description of WEP encryption is wrong.
- A. WEP encryption allows the device to store four keys at the same time.
- B. WEP encryption uses a stream encryption algorithm.
- C. WEP encryption adds IV to destroy the regularity of the key.
The length of the IV in C.WEP encryption is 48 bits.
Answer: A
NEW QUESTION 113
What are the common causes for AP can't get IP address? (Multiple Choice)
- A. POE Power supply failure
- B. Intermediate network problem
- C. the configuration of address pool is not correct
- D. address pool use up
Answer: B,C,D
NEW QUESTION 114
......
Latest H12-311 Exam Dumps Huawei Exam from Training: https://selftestengine.testkingit.com/Huawei/latest-H12-311-exam-dumps.html