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Huawei H12-831-ENU Dumps Questions [2023] Pass for H12-831-ENU Exam
NEW QUESTION 79
Assuming that the neighbor relationship between BGP routers has been established successfully, the configuration on R1 is as shown in the figure.
Which router can the routing entry 10.10.10.0/24 published by 1 be delivered to the farthest?
- A. R2
- B. R1
- C. R3
- D. R4
Answer: C
NEW QUESTION 80
What is the Router-ID of OSPFv3?
- A. 64-bit value
- B. 100-bit value
- C. 128-bit value
- D. 32-bit value
Answer: D
NEW QUESTION 81
After the cutover acceptance is completed, what work still needs to be performed in the closing stage? (Multiple choice)
- A. Acceptance Summary
- B. Field Defence
- C. Dimension transfer training
- D. Data Transfer
Answer: A,B,C,D
NEW QUESTION 82
A campus deploys both IPv4 and IPv6 networks for service testing, and runs IS-IS to achieve network interconnection. The IS-IS routing protocol has good scalability and is widely used in the existing network. Which of the following statements is true about IS-IS scalability? (Multiple choice)
- A. For IS-IS, adding new features only needs to add new TLVs
- B. NLPID is a new TLV added by IS-IS to support IPv6
- C. IS-IS needs to add TLV to carry IPv6 address information in order to support IPv6
- D. IS-IS uses the TLV structure to construct packets, making IS-IS more flexible and extensible
Answer: A,C,D
NEW QUESTION 83
Through the display ip interface GE0/0/0 command, you can view the statistics of ping packets received on this interface.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 84
View the running configuration in memory through display current-configuration.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 85
Which description is correct about the VRRP slave device? (Multiple choice)
- A. Slave will discard IP packets whose destination Mac is the virtual MAC address
- B. When Slavel receives the VRRP message sent by the Master, it can judge whether the status of the Master is normal
- C. When receiving a VRRP packet with a priority of 0, the Slave will directly switch to the Master
- D. Slave will respond to IP packets whose destination IP address is the virtual IP address
Answer: A,B,C
NEW QUESTION 86
IS-IS is a link-state routing protocol that uses the SPF algorithm for route calculation. As shown in the figure, a campus deploys both IPv4 and IPv6 and runs IS-IS to achieve network interconnection, of which R2 only supports IPv4.
Which of the following statements is true about the topology calculation of this network?
- A. By default, since R2 does not support Pv6
- B. By default, IPv4 and IPv6 networks will be calculated separately to form different shortest path trees
- C. If you want IPv4 and IPv6 network computation to form the same shortest path tree, you need to run the ipv6 enable topology ipv6 command to enable the IPv6 capability of the IS-IS process
- D. By default, in the shortest path tree formed by IPv6 network calculation, the path from R1 to R4 is R1-R2-R4
Answer: A
NEW QUESTION 87
Network administrator A wants to use the IP Prefix List to match a specific route entry. Which of the following routes will be matched by the IP Prefix List in the figure? (Multiple choice)
- A. 10.0.1.0/24
- B. 10.0.0.0/24
- C. 10.0.0.1/30
- D. 10.0.2.0/24
Answer: B,C
NEW QUESTION 88
OSPFv2 is an IGP that runs on IPv4 networks. OSPFV3 is an IGP running on IPv6 networks. Compared with OSPFv2, OSPFv3 has similar LSAs, but has slightly different functions.
The following is the description of the LSA function of OSPFV3, please drag the LSA to the correct LSA function column.
Answer:
Explanation:
NEW QUESTION 89
Which of the following are documents that need to be handed over in the wrap-up of a structured network troubleshooting process? (Multiple choice)
- A. Troubleshooting Summary Report
- B. Maintenance recommendations to avoid this failure
- C. Troubleshooting Procedure Documentation
Answer: A,B,C
NEW QUESTION 90
According to this figure, what can we judge? (Multiple choice)
- A. GE0/0/1 of R1 must have the capability of Leve1-2
- B. There must be an LSDB of Leve1-2 on R1
- C. GE0/0/0 of R1 must have the capability of Leve1-2
- D. R1 has 2 IS-IS neighbors
Answer: A,B,C,D
NEW QUESTION 91
The packet filtering firewall provides support for detecting fragmented packets. What are the fragmented packets that the packet filtering firewall can filter? (Multiple choice)
- A. Non-fragmented packets
- B. Subsequent fragmented packets
- C. The first fragmented packet
- D. Forged ICMP error message
Answer: A,B
NEW QUESTION 92
MPLS has the concept of forwarding equivalence class FEC. Which of the following description is wrong? (Multiple choice)
- A. The division of FEC is flexible. It can be any combination based on the source address, and the address, source port, destination port, protocol type or VPN, etc.
- B. MPLS classifies packets with the same forwarding processing method into a class called FEC
- C. A forwarding equivalence class FEC assigns unique label values on all routers
- D. Groups of the same FEC will be handled differently in MPLS networks
Answer: C,D
NEW QUESTION 93
Which of the following options are there for the conditions for the firewall security policy to match traffic? (Multiple choice)
- A. Source and destination IP addresses
- B. Source and destination security area
- C. Application
- D. Message length
Answer: A,B,C
NEW QUESTION 94
According to this figure, what can we know? (Multiple choice)
- A. There is a loop when R1 accesses 172.17.1.5
- B. R1 does not have access to the route of 172.17.1.5
- C. R1 has no problem accessing the path of 172.17.1.5
- D. R1 has a route to 172.17.15
Answer: A,D
NEW QUESTION 95
Basic QinQ can choose the outer tag encapsulation method according to the business type.
- A. False
- B. True
Answer: A
NEW QUESTION 96
Network administrator A wants to view the neighbor status of BGP router R2. The BGP neighbor status information of R2 is shown in the figure. Please help network administrator A to obtain the following information: The AS where R2 is located is AS ( ). (write only numbers, do not add punctuation or spaces)
- A. 102
Answer: A
NEW QUESTION 97
The routine collection of basic equipment information, which of the following are included? (Multiple choice)
- A. Patch Information
- B. Whether the configuration is saved
- C. License information
- D. The software version the device is running
Answer: A,B,C,D
NEW QUESTION 98
In the process of establishing an LDP session, the active party will first send Initialization information to negotiate parameters. If the passive party does not accept the negotiated parameters, it will send:
- A. Error Notification Message
- B. Hello Message
- C. Keepalive Message
- D. Initialization Message
Answer: A
NEW QUESTION 99
There are many types of LDP messages. Which of the following functions can a session message implement? (Multiple choice)
- A. Terminate the outstanding Label Request Message
- B. Release Tag
- C. Negotiate parameters during LDP Session establishment
- D. Monitor the integrity of the TCP connection of the LDP Session
Answer: C,D
NEW QUESTION 100
There are different ways of MPLS encapsulation. Which of the following statements are correct about the encapsulation method?(Multiple choice)
- A. MPLS encapsulation has frame mode and cell mode
- B. ATM uses cell mode encapsulation
- C. Ethernet and PPP use frame mode encapsulation
- D. When encapsulating in cell mode, if the MPLS Header has been deactivated in the packet
Answer: A,B,C
NEW QUESTION 101
In MPLS network, there are different operation types for labels, among which the meaning of "pop" action is?
- A. Remove the top label in the MPLS label stack
- B. Replace the top label with another set of labels
- C. Replace the top label with another value
- D. Add the top label to the MPLS label stack
Answer: A
NEW QUESTION 102
In BGP/MPLS IP VPN, OSPF multi-instance process uses DN bits to prevent Type5 LSA loops.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 103
According to the configuration shown in the figure below, you can know that R4 has an interface advertised into IS-IS?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION 104
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