Latest Jan 05, 2022 GB0-341-ENU Brain Dump: A Study Guide with Tips & Tricks for passing Exam
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NEW QUESTION 97
On the H3C wireless controller, the friendly device list can be defined based on _______. (Multiple choice)
- A. SNR
- B. ssid
- C. mac-address
- D. vendor
Answer: B,C,D
NEW QUESTION 98
Regarding the data forwarding between the FP IT AP and the controller, which of the following statements are correct? (Multiple choice)
- A. In the local forwarding mode, the STA's DHCP, ARP and other messages are directly converted by the AP to the 802.3 format and sent to the access switch
- B. In the centralized forwarding mode, the outer Ethernet between the AP and the access switch carries the management VLAN tag
- C. In the centralized forwarding mode, the wireless data message between the AP and the access switch is in the 802.11 format, and then encapsulated through the tunnel.
- D. In centralized forwarding mode, STA's DHCP messages will be sent to the controller through the tunnel for centralized processing
Answer: A,B,C,D
NEW QUESTION 99
Which of the following modulation techniques is used to get the sending rate of s 11Mbps in 802.11b b?
- A. CCK
Answer: A
NEW QUESTION 100
In the WPA security mode of 802.11i, how does the 802.1x method differ from the PSK (Pre-Shared Key) method in terms of security encryption? (Multiple choice)
- A. The certificate method can ensure the uniqueness and dynamics of the generated key
- B. Encryption algorithm can use two methods, TKIP and CCMP
- C. The master key used to encrypt data is generated through interactive negotiation between STA and Radius
- D. Through the username, password and certificate to determine whether the user's identity is legal
Answer: A,C,D
NEW QUESTION 101
Which of the following frames belong to the 802C.11 MAC layer management frame? (Multiple choice)
- A. RTS, CTS, ACK
- B. Beacon
- C. Probe Request/Response
- D. Authentication Request/Response
- E. Data
- F. Association Request/Response
Answer: B,C,D,F
NEW QUESTION 102
The wireless network authentication method for user authority authentication through linkage with the s radius server is? (Multiple choice)
- A. PEAP
- B. EAP-MD5
- C. WPA-PSK
- D. WEP
Answer: A,B
NEW QUESTION 103
When the wireless client cannot detect the signal, what are the possible reasons? (Multiple choice)
- A. Incorrect client settings such as wireless service not started
- B. The AP configuration is incorrect and the AP does not transmit signals
- C. The AP works in 802.11a mode, and the client network card works in 802.11b/g mode
- D. AP's weak signal leads to lack of coverage
Answer: A,B,C,D
NEW QUESTION 104
Power management is an important attribute of wireless terminals. It will choose a balance between power consumption and adapter performance, which will affect the user's network experience. For example, usually the power management attribute of the Inter wireless network card is set to _______ to give full play to the maximum performance of the network card.
- A. Lowest value
- B. Default value
- C. Any value
- D. Highest value
Answer: D
NEW QUESTION 105
In the configuration of the wireless controller, if the wlan service-o template 2 crypto command is included, it means that wireless service may be _____. (Multiple choice)
- A. Enable WPA authentication encryption
- B. No authentication and no encryption
- C. Enable PSK authentication encryption
- D. Enable WEP encryption
Answer: A,C,D
NEW QUESTION 106
When the wireless controller is doing local mac authentication, the user name and password must be configured as the mac address of the wireless client. The letter form in the mac address of the username and password is ____.
- A. The username is lowercase and the password is uppercase
- B. Both username and password are uppercase
- C. The username is uppercase and the password is lowercase
- D. Both username and password are lowercase
Answer: D
NEW QUESTION 107
Which of the following devices support POE+ + power supply mode? (Multiple choice)
- A. WX3010
- B. WX5002
- C. WX6103
- D. WX3024
Answer: A,B,C,D
NEW QUESTION 108
What is the purpose to use waterproof tape to waterproof and seal each joint part of the antenna?
- A. Prevent water from entering each joint connector and penetrating into the feeder cable, causing damage to the feeder cable.
- B. Prevent electromagnetic interference
- C. Prevent the connector from being damaged by electric shock
- D. Prevent partial disconnection of each connector
Answer: A
NEW QUESTION 109
When the SSID encryption type configured in the AP is WEP encryption (the password is 12345), the MAC layer authentication method is Open-system, and the password entered by the client is 54321, which of the following phenomena will occur?
- A. The client can successfully connect to the AP, but cannot communicate normally
Answer: A
NEW QUESTION 110
The wireless client can search for WLAN signals but cannot associate with the AP. What are the possible reasons? (Multiple choice)
- A. The AP is too far away or there are too many obstacles, and the signal strength is lower than the receiving sensitivity of the wireless network card
- B. The encryption method of the client's wireless network card is inconsistent with the AP
- C. There are strong interference sources in the surrounding environment
- D. Too many users associated with the AP
Answer: A,B,C,D
NEW QUESTION 111
The so-called modulation is to change the relevant properties of the carrier according to the information to be sent, so that the information is encoded on the carrier. What are the properties of the basic carrier that can be modulated? (Multiple choice)
- A. Polarization
- B. Amplitude
- C. Frequency
- D. Phase
Answer: B,C,D
NEW QUESTION 112
In point-to-multipoint (PtMP) wireless transmission, the more suitable antenna type is?
- A. The central node uses an omnidirectional antenna, and the branch link uses a directional antenna
- B. All omnidirectional antennas
- C. All directional antennas
- D. The central node uses a directional antenna, and the branch link uses an omnidirectional antenna
Answer: A
NEW QUESTION 113
Mount the antenna on a high place and maintain a certain downward inclination to cover the outdoor space, suitable for outdoor WLAN coverage in open/semi-open areas.
- A. False
- B. True
Answer: B
NEW QUESTION 114
If a wireless local area network only contains STA, this kind of network structure has a special name in the 802.11 network, this name is?
- A. IBSS
Answer: A
NEW QUESTION 115
Since WDS is not clearly specified in the 802.11 protocol, AP equipment from various manufacturers is WDS interoperable.
- A. False
- B. True
Answer: A
NEW QUESTION 116
The H3C wireless controller uses the command "wlan service--template 1 clear" to define service--template 1 as a non-encrypted service--template. How to modify it to an encrypted service--template?
- A. Enter the command "wlan service-template 1 crypto"
- B. First try to enter "service-template disable" in service-template 1, then enter "wlan service-template 1 crypto" in the global view, and finally enter in the service-template 1 view.
- C. wlan service-template 1 has been applied to the radio of the AP, you need to cancel the application first and then enter the command "wlanservice-template 1 crypto". If wlan service-template 1 is not applied, directly enter the command "wlan service-template 1" crypto".
- D. You cannot modify the encryption type of the existing wlan service-template 1. You can only delete the original service-template 1, and then create a new service-template 1 through the command "wlan service-template crypto" to modify it to the purpose of the encryption type, but if wlan service-template1 has been applied to the radio of the AP, the relevant application needs to be released first.
Answer: D
NEW QUESTION 117
First of all, the multi-frequency combiner must be able to support the required working frequency band, and the closer its passband frequency is to the working frequency of the wireless system, the better, and there is no redundant passband, so as to ensure the best effect; secondly, it must be used for the combined with filtering function, the interval between ports should be greater than 80dB, which can minimize the interference between different systems.
- A. False
- B. True
Answer: B
NEW QUESTION 118
When surveying AP deployment locations and project implementation in AP actual deployment location there may be some differences. In order to ensure the accuracy of the survey data, the deployment position of the P AP should be as consistent as possible with the actual installation position during the survey.
- A. False
- B. True
Answer: B
NEW QUESTION 119
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