[2025] Huawei H12-821_V1.0-ENU Practice Verified Answers – Pass Your Exams For Sure! [Q539-Q562]

Q539. Which of the following descriptions about Policy-Based-Routing and Routing-Policy are correct?
(Multiple choice)

Q540. Which types of messages does the BGP protocol support? (Multiple choice)

Q541. A network engineer outputs the following information when troubleshooting the OSPF protocol. Based on this to determine which cause the adjacency relationship cannot be established normally?

Q542. In IS-IS, setting which of the following flags means that although the LSP will still spread in the network, the LSP will not be used when calculating the route through the overloaded router?

Q543. Which of the following statements about the application of BFD is correct? (Multiple choice)

Q544. Which of the following description about OSPF routing aggregation is wrong?

Q545. When a router running IS-IS receives multiple instances of an LSP, please arrange the following operations in the order of the LSP processing mechanism.

Q546. To modify the OSPF network type of an interface under the interface, you need to restart the device or reset ospf , otherwise ospf will not take effect.

Q547. There can be multiple nodes under a route-policy. Different nodes are identified by node. Each node can have multiple if-match and apple clauses. Which of the following descriptions are wrong? (Multiple choice)

Q548. When two routers establish a pair of logical BGP peers through a multi-hop physical link, the peer connect-interface command must be used.

Q549. Which is the correct description of Route Policy is? (Multiple choice)

Q550. Which of the following reasons may cause the failure to establish a BGP neighbor relationship?
(Multiple choice)

Q551. Which of the following description of the permanent multicast address is wrong?

Q552. In the structured network troubleshooting process, which of the following stages require escalation or notification of fault conditions to other departments? (Multiple choice)

Q553. In the OSPF routing protocol, the asbr-summary command can be followed by the not-advertise parameter, which means not to advertise the aggregated route.

Q554. Two routers R1 and R2 are directly connected. If you want to establish an OSPF adjacency relationship, R1 uses MD5 port authentication, and R2 uses MD5 area authentication. If the passwords are the same, the two devices can establish an OSPF adjacency relationship.

Q555. Regarding the role of network maintenance, which of the following statements are correct? (Multiple choice)

Q556. After the IGMP proxy device receives the report message of a certain multicast group, if the corresponding multicast group is not found, the IGMP proxy device will send a report message counting the multicast group to the access device, and add the multicast group to the forwarding table.

Q557. When the payload is an ICMPv6 message, if the extension header is not considered, what is the value of the Next Header field in the IPv6 header?

Q558. Which of the following information is the real-time backup data of HSB business? (Multiple choice)

Q559. About RP, which of the following statement is correct? (Multiple choice)

Q560. Which of the following is not a typical module of data center networking?

Q561. RSTP has been improved on the basis of STP to achieve rapid convergence of the network topology. But RSTP and STP are both based on a single spanning tree, and there are some shortcomings, such as? (Multiple choice)

Q562. When OSPF runs in a broadcast network, DR and BDR need to be elected.
Then in which of the following statements will DR and BDR elections be conducted?