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NEW QUESTION # 113
when AC When it is a bypass networking, if the data is forwarded directly, then the data flow () flow () AC. AC; If the data is in tunnel forwarding mode, the data
- A. Don't go through
- B. Don't pass, don't pass
- C. Pass by
- D. Pass, not pass
Answer: A
NEW QUESTION # 114
PPPoE Certified in WLAN When used, and WLAN The authentication encryption used by itself does not matter.
- A. True
- B. False
Answer: B
NEW QUESTION # 115
exist 802.1X In the agreement, you must have () to be able to complete the authentication and authorization of the user. (Select 3 Answers)
- A. Authentication server
- B. Authenticator
- C. Client
- D. eSight server
Answer: A,B,C
NEW QUESTION # 116
The following statement is correct ().
(Select 3 Answers)
- A. WPA2 PSK authentication requires the user to enter a user name and password to connect
- B. WAPI is China's national standard system for wireless LAN
- C. When the user performs web authentication, it is triggered by the user's http message after successfully obtaining the IP address; at this time, it is forcibly redirected to the portal server, Go through the certification process
- D. WPA2 uses 802.1X authentication
Answer: B,C,D
NEW QUESTION # 117
In a point-to-multipoint networking environment, one device serves as the central device, and all other devices only establish wireless bridges with the central device to realize the interconnection of multiple networks. The disadvantage is that the intercommunication of multiple branch networks must be forwarded through the central bridge device.
- A. False
- B. True
Answer: B
NEW QUESTION # 118
display ap all Command can be viewed AP of MAC ,Type And running status.
- A. False
- B. True
Answer: B
NEW QUESTION # 119
Which is the longest interval between 802.11 frames ()?
- A. IFS
- B. SIFS
- C. PIFS
- D. DIFS
Answer: D
NEW QUESTION # 120
Each AC Equipment needs to be specified AC The source of IP Address for peace AP Establish CAPWAP Tunnel, one AC You can specify up to 2 Piece WLAN source IP.
- A. True
- B. False
Answer: B
NEW QUESTION # 121
Huawei AP The product can only support one configuration SSID .
- A. True
- B. False
Answer: B
NEW QUESTION # 122
Which of the following is a restart AC6605 The command()?
- A. <Quidway> reload
- B. <Quidway> reboot
- C. [Quidway] reboot
- D. [Quidway]reload
Answer: B
NEW QUESTION # 123
Metal objects have a greater attenuation effect on wireless signals, AP Or the antenna should not be placed behind a metal ceiling, etc.
- A. False
- B. True
Answer: B
NEW QUESTION # 124
1999 Year, IEEE 802.11a The standard formulation is completed. The standard stipulates that the working frequency band of wireless local area network can reach the transmission rate 11Mbps .
5.15 ~5.825GHz , Data transmission
- A. True
- B. False
Answer: B
NEW QUESTION # 125
MIMO The antenna configuration is usually expressed as " M*N ",in M and N What does each mean ()?
(Select 2 Answers)
- A. M Indicates the number of receiving antennas
- B. N Indicates the number of receiving antennas
- C. N Indicates the number of transmission antennas
- D. M Indicates the number of transmission antennas
Answer: B,D
NEW QUESTION # 126
eSight The network management is Huawei's dedicated network management platform, but it can only manage Huawei's own equipment.
- A. True
- B. False
Answer: B
NEW QUESTION # 127
original 802.11 What is the working frequency band used by the agreement ()?
- A. 900 MHz
- B. 2.4 GHz
- C. 2.0 GHz
- D. 5 GHz
Answer: B
NEW QUESTION # 128
2.4 GHz How many channels () can the frequency band be divided into at most?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION # 129
Used as AP and AC Establish CAPWAP tunnel VLAN What is it VLAN ()?
- A. Certification VLAN
- B. Serve VLAN
- C. user VLAN
- D. manage VLAN
Answer: D
NEW QUESTION # 130
The equipment manufacturer can usually be judged according to the following ().
- A. SSID
- B. MAC address
- C. channel
- D. Encryption type
Answer: B
NEW QUESTION # 131
single AP What is the area covered ()?
- A. ESA
- B. BSA
- C. TSA
- D. SSA
Answer: B
NEW QUESTION # 132
What are the general methods to solve co-channel interference (). (Select 3 Answers)
- A. Use obstacles for natural isolation
- B. adjust AP Transmit power, adjust antenna feeder
- C. Use omnidirectional antennas for coverage
- D. Reasonable frequency reuse to ensure that the same channel does not appear in the same or adjacent coverage areas
Answer: A,B,D
NEW QUESTION # 133
The distance between the center frequencies of the two channels is less than or equal to In order to avoid adjacent channel interference during domain channel planning, the same channel is not allowed to be used.
25MHz When there is an overlapping area between the channels, there will be some interference, so in the adjacent area
- A. True
- B. False
Answer: B
NEW QUESTION # 134
According to the following configuration example, the following statement is correct ().
[AC] dhcp enable
[AC] interface VLANif100
[AC-VLANif100] ip address 10.1.100.1 24
[AC-VLANif100] dhcp select interface
[AC-VLANif100] quit
- A. The dhcp select interface command is to enable the DHCP client function on the VLAN 100 interface
- B. The DHCP service is already enabled by default in the global mode, so dhcp enable does not need to be configured
- C. If VLAN100 is the management VLAN where the AP is located, the option 43 field in the DHCP message that the AP will receive should be 10.1.100.1
- D. If VLAN100 is a user VLAN, after the user receives the address, the gateway is 10.1.100.1 and the mask is 255.255.255.0
Answer: D
NEW QUESTION # 135
Which of the following 2.4GHz The frequency bands are non-overlapping
channels (). (Select 3 Answers)
- A. 4 and 10
- B. 3 and 8
- C. 6 and 11
- D. 4 and 8
Answer: A,B,C
NEW QUESTION # 136
At present, the security policy based on user authentication that is widely used in the enterprise network is () (Select 2 Answers)
- A. WPA1 PSK+TKIP/CCMP
- B. WPA2 PSK+TKIP/CCMP
- C. WPA2 802.1X+TKIP/CCMP
- D. WPA1 802.1X+TKIP/CCMP
Answer: C,D
NEW QUESTION # 137
To the following WLAN In the description of the network diagram, the error is ().
- A. The picture shows the bypass networking
- B. You cannot use the aggregation switch to STA distribute IP address
- C. Can be configured and managed on the access switch VLAN of PVIDA.
- D. can use AC As DHCP Server ,give AP distribute IP address
Answer: B
NEW QUESTION # 138
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