Pass H12-821_V1.0-ENU Exam - Real Test Engine PDF with 966 Questions
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NEW QUESTION # 548
BGP Speaker only notifies neighbors of changed routes.
- A. True
- B. False
Answer: A
NEW QUESTION # 549
What is the role of the Hello message in PIM-SM? (Multiple choice)
- A. Register with RP
- B. Neighbors' capability negotiation
- C. Election network segment BDR
- D. Establish and maintain neighbor relations
Answer: B,D
NEW QUESTION # 550
Which of the following descriptions about the Keepalive message in BGP is wrong?
- A. By default, the Keepalive interval is 180 seconds
- B. Keepalive messages are periodically sent between two BGP neighbors
- C. Keepalive messages are mainly used to maintain the connection between BGP peers
- D. The Keepalive message contains only one BGP data header
Answer: A
NEW QUESTION # 551
Which of the following description about the way of BFD session establish is wrong?
- A. The system distinguishes between static BFD sessions and dynamic BFD sessions by dividing the identifier area.
- B. BFD sessions can only be established dynamically
- C. When a BFD session is dynamically established, the local identifier is dynamically allocated.
- D. Statically configuring a BFD session refers to configuring BFD session parameters through the command line, including local identifiers and remote identifiers, etc.
Answer: B
NEW QUESTION # 552
A BGP router can send incremental BGP routing updates or perform periodic updates.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION # 553
Regarding the following dual-link hot standby configuration, when configuring the priority of the AC, the greater the value of the priority, the higher the actual priority of the AC.
- A. False
- B. True
Answer: A
NEW QUESTION # 554
The function of routing protocol priority is to assign different priorities to routes discovered by different protocols, so that when a router learns the same route from different routing protocols at the same time, it can have a selection priority.
- A. True
- B. False
Answer: A
NEW QUESTION # 555
As shown in the figure, all routers run IS-IS. R3 is a Level-1 router, R6 is a Leve1-2 router, and the other routers are Level-1-2 routers. What are the types of neighbor relationships between routers? Multiple choice)
Answer:
Explanation:
NEW QUESTION # 556
After the modular switch receives the business message, it is processed by the upstream interface board, then processed by the downstream interface board, and finally sent from the interface.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION # 557
When the IPv6 address of the host is configured by using stateless address configuration, and other parameters except the address are obtained through DHCPv6, how to set the M bit and 0 bit in the RA message?
- A. M=1, 0=1
- B. M=1, 0=O
- C. M=O, 0=1
- D. M=0, 0=O
Answer: C
NEW QUESTION # 558
Which description is correct about the characteristics of a high-availability network? (Multiple choice)
- A. No failure
- B. Can recover quickly after failure
- C. Once a failure occurs, the business can only be restored through manual intervention
- D. Do not fail frequently
Answer: B,D
NEW QUESTION # 559
Which of the following descriptions about IGMPv3 are correct? (Multiple choice)
- A. The query packets in IGMPv3 not only include general group query packets and specific group query packets, but also add specific source group query packets
- B. IGMPv3 defines a special member leaving message, which can quickly confirm whether the member of the corresponding multicast group has left
- C. In IGIPv3, a member report message can carry multiple multicast group information
- D. IGMPv3 provides the ability to carry multicast source information in the message, helping the host to select the multicast source
Answer: A,C,D
NEW QUESTION # 560
The Huawei Cloud Campus solution supports the free mobility function. This function can be configured through graphical policies to enable users to access anytime and anywhere.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION # 561
The BFD control message is encapsulated in a UDP message for transmission, so the destination port number of the multi-hop BFD control message is?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION # 562
Which of the following descriptions of Link ID, Data, Type and Metroc in Router-L SA are correct? (Multiple choice)
- A. Type indicates the type of connection
- B. Data is used to describe the additional information of this connection, and different connection types refer to different information
- C. Metric describes the cost of this connection
- D. Link ID represents the local identification of this connection, and the same connection type Link ID represents different meanings
Answer: A,B,C,D
NEW QUESTION # 563
Which of the following executable actions are supported by flow behavior in MQC? (Multiple choice)
- A. Implement policy routing for packets
- B. Traffic statistics
- C. Add VLAN Tag to the message
- D. Filter messages
- E. Remark message priority
Answer: B,C,D,E
NEW QUESTION # 564
In VRRP, when the device status becomes Master, it will immediately send a gratuitous ARP to refresh the MAC entry of the downstream device, thereby directing user traffic to this device.
- A. True
- B. False
Answer: A
NEW QUESTION # 565
The default priority of VRRP devices in the backup group is:
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION # 566
Which of the following information can be obtained by understanding the industry background of the project?
- A. Client's organizational structure
- B. Industry conventional solutions
- C. Scope of the project implementation
- D. The problem to be solved by the project
Answer: B
NEW QUESTION # 567
Which of the following functions can the Type-2 routing type of EVPN support? (Multiple choice)
- A. Notification of ESI labels
- B. MAC/IP binding
- C. MAC address learning notice
- D. Batch revocation of MAC addresses
Answer: B,C
NEW QUESTION # 568
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