Valid H12-831_V1.0 Test Answers & Huawei H12-831_V1.0 Exam PDF
Huawei H12-831_V1.0 Certification Real 2022 Mock Exam
NEW QUESTION 129
Which of the following statements about the OSPFv3 message format is correct? (Multiple choice)
- A. Hello message no longer contains address information and Interface ID
- B. There is no change in the option field of the Hello message
- C. OSPF version number changed from 2 to 3
- D. Removed Authentication and Auth Type fields
Answer: A,C,D
NEW QUESTION 130
To ensure security, authentication can be configured in the OSPFv3 process area view.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 131
According to this picture, we can judge:
- A. R4 and ee8c.aOc2.bat3 only established IPv4 IS-IS neighbors
- B. R4 and ee8c.aOe2.baf3 only established IPv6 IS-IS neighbors
- C. R4 and ee8c.aOc2.baf3 have established IPv4 and IPv6 IS-IS neighbors
- D. R4 does not have any IS-IS neighbors
Answer: C
NEW QUESTION 132
Which of the following description of the configuration on this switch is correct? (Multiple choice)
- A. The VANIF100 interface will send the received DHCP messages to the external DHCP Server through the relay
- B. Specify the DHCP server group as dhcpgroup1 for the VLAN100 interface
- C. To configure the DHCP server and DHCP relay, DHCP must be enabled globally
- D. First, you need to create a DHCP server group and add a DHCP server to the server group
Answer: A,B,C,D
NEW QUESTION 133
As shown in the figure, all routers run OSPF.
Which of the following statements is correct?
- A. R2 forwards the Router LSA generated by R1 to R3
- B. R2 only generates Router LSA in area 0
- C. R2 generates Router LSA in both area 1 and area 0
- D. R2 forwards the Router LSA generated by R3 to R1
Answer: C
NEW QUESTION 134
If the display current-configuration can reach the IS-IS configuration, but there is no IS-IS configuration in the display saved-configuration, what does it mean?
- A. The IS-IS configuration that the Flash is running is not saved to the memory
- B. The running IS-IS configuration of the memory is not saved to the Flash
- C. The running IS-IS configuration in the memory has been saved to the Flash
- D. No IS-IS command is entered
Answer: B
NEW QUESTION 135
After configuring the VLAN-based MAC address drift detection function, if the MAC address drifts, you can configure the actions of the interface according to your needs.
Which of the following is not a configurable action?
- A. MAC address blocking
- B. Flow filtering
- C. Interface blocking
- D. Send alert
Answer: B
NEW QUESTION 136
There is the concept of forwarding equivalent FEC in MPLS. Which of the following descriptions is wrong? (Multiple choice)
- A. The division of FEC is very flexible. It can be based on any combination of source address, address, source port, destination port, protocol type or VPN, etc.
- B. MPLS classifies packets with the same forwarding processing method into one category, which is called FEC
- C. A forwarding equivalence FEC will be assigned a unique label value on all routers
- D. The packets of the same FEC will be processed differently in the MPLS network
Answer: C,D
NEW QUESTION 137
Part of the configuration of R1 is as follows. Which of the following statement about IS-IS on R1 is correct? (Multiple choice)
- A. Process 1 also contains global routing information. And VRF tt, rr routing information
- B. Process 1 only contains global routing information
- C. The routing information of process 2 and process 3 are isolated
- D. The routing information of process 2 and process 3 will be shared
Answer: B,C
NEW QUESTION 138
Regarding the IPSG, which of the following statement is incorrect?
- A. IPSG can prevent IP address spoofing attacks
- B. IPSG is a source IP address filtering technology based on the three-layer interface
- C. IPSG can prevent the host from changing the IP address privately
- D. IPSG can turn on the IP packet inspection and alarm function, and cooperate with the network management to perform alarms
Answer: B
NEW QUESTION 139
As shown in the figure, MPLS/BGP IPVPN is deployed in the network. The MP-BGP neighbor relationship is established between PE1 and PE2 through the LoopbackD interface. After the configuration is completed, it is found that CE1 and CE2 cannot learn routes from each other. Use the command on PE2 to query neighbor information as shown in the figure. What is the most likely cause of the problem?
- A. The routing protocol configuration between PE1 or PE2 and the respective CE is incorrect
- B. The LSP tunnel between PE1 and PE2 is not established
- C. PE1 and PE2 are not enabled with neighbors in the BGP-VPN4 unicast address family view
- D. The VPN instance parameters on PE1 or PE2 are incorrectly configured
Answer: C
NEW QUESTION 140
When OSPFv2 evolves to OSPFv3, the format and function of LSA are exactly the same, except that the network layer address in LSA changes from IPv4 to IPv6.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 141
Ethernet is a network that supports broadcasting. Once there is a loop in the network, this simple broadcasting mechanism will cause catastrophic consequences.
Which of the following phenomena may be caused by loops? (Multiple choice)
- A. CPU usage exceeds 70%
- B. When you use the display interface command to view interface statistics on the device, it is found that the interface receives a large number of broadcast packets
- C. The device cannot log in remotely
- D. Severe packet loss during network testing through the ping command
Answer: A,B,C,D
NEW QUESTION 142
In the finishing work of the structured network troubleshooting process, which of the following are the documents that need to be handed over? (Multiple choice)
- A. Maintenance suggestions to avoid the failure
- B. Troubleshooting summary report
- C. Troubleshooting process documentation
Answer: A,B,C
NEW QUESTION 143
As shown in the figure, the carrier BGP/MPLS IP VPN backbone network constructs SP through DP. If you want to realize the intercommunication between the two sites of user X through the BGP/MPLS IPVPN network, the 32bit mask of Loopback interface address must be used between PE1 and PE2 to establish the MP-IBGP peer relationship.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 144
The deployment of port isolation technology in Ethernet can realize Layer 2 intercommunication and Layer 3 isolation, making the network more flexible.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 145
Which of the following statements about the MP_REACH_NLRI attribute of BGP4+ is correct? (Multiple choice)
- A. The length of the next hop address can be 16 or 3
- B. The value of AFI (address family) is 2, which represents IPv6
- C. When the length of the next hop address is 16, the Network Address of Next Hop carries the link local address
- D. The NLRI field carries IPv6 routing prefix and mask information
Answer: A,B,D
NEW QUESTION 146
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