Huawei H12-831-ENU 問題集

質問 1：
QinQ technology is a technology to expand the VLAN space. It can achieve the function of expanding the VLAN space by adding a layer of 802.1Q Tag on the basis of the 802.1Q tag message. Which of the following statements about QinQ is false?
A. Flexible QinQ can add different outer tags according to different inner tags
B. QinQ increases the number of VLANs to 4095*4095
C. The basic QinQ is implemented based on the interface
D. QinQ technology can make the private network LAN transparently transmitted on the public network
正解：B

質問 2：
Configure IS-IS IPv6 enable on the interface. What is the meaning of this command?
A. Activate IPv6 IS-IS process 10 on the interface
B. Activate IPv6 IS-IS process 3 on the interface
C. Activate Pv6 IS-IS process 1 on the interface
D. Activate IPv6 IS-IS process 2 on the interface
正解：C

質問 3：
BGP4+ carries the next hop address of the IPv6 route through the Next_Hop attribute in the Update packet.
A. FALSE
B. TRUE
正解：A

質問 4：
Which of the following statements about VLAN aggregation is correct? (Multiple choice)
A. A Super-VLAN can contain one or more Sub-VLANs
B. Super-VLAN contains only physical interfaces, and does not establish a Layer 3 VLANIF interface
C. Sub-VLAN is used to isolate broadcast domains
D. Sub-VLAN contains physical interface. Layer 3 VLANIF interface can be established
正解：A,C

質問 5：
Ethernet is a network that supports broadcasting. Once there is a loop in the network, this simple factory broadcasting mechanism will cause catastrophic consequences. Which of the following phenomena may be caused by loops? (Multiple choice)
A. The CPU usage exceeds 70%
B. The device cannot log in remotely
C. When running the display interface command on the device to view interface statistics, it is found that the interface receives a large number of broadcast packets
D. Serious packet loss when testing the network through the ping command
正解：A,B,C,D

質問 6：
Which of the following descriptions about the terminal security management features of Agile Controller is correct? (Multiple choice)
A. The endpoint security client checks endpoints according to the assigned security policy. After the check is passed, the server can notify the admission control device to open network permissions to the terminal. If the check fails, the terminal can be isolated and repaired
B. Can control illegal web access
C. Centrally configure and distribute policies to lower-level terminal security management servers through the MC management center
D. If the endpoint does not comply with corporate security policy. Users often want to provide automatic repair functions. Now, automatic repair of non-compliance status has been fully realized. Users only need to click the mouse to achieve one-key repair in the shortest time.
正解：A,B,C,D

質問 7：
Which description is correct about the VRRP slave device? (Multiple choice)
A. Slave will respond to IP packets whose destination IP address is the virtual IP address
B. When receiving a VRRP packet with a priority of 0, the Slave will directly switch to the Master
C. When Slavel receives the VRRP message sent by the Master, it can judge whether the status of the Master is normal
D. Slave will discard IP packets whose destination Mac is the virtual MAC address
正解：B,C,D

質問 8：
Which of the following functions will affect BGP neighbor establishment? (Multiple choice)
A. BGP Certification
B. BGP GSTM
C. ebgp max hop
D. BGP route filtering
正解：A,B,C