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Huawei H12-821_V1.0 : HCIP-Datacom-Core Technology V1.0

H12-821_V1.0

Exam Code: H12-821_V1.0

Exam Name: HCIP-Datacom-Core Technology V1.0

Updated: Jun 15, 2026

Q & A: 1265 Questions and Answers

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Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions:

1. Which of the following descriptions of link aggregation in LACP mode is correct?

A) There can only be a maximum of 4 active ports in LACP mode.
B) In LACP mode, the devices at both ends of the link send LACP messages to each other.
C) The number of active ports cannot be set in LACP mode.
D) In LACP mode, all active interfaces participate in data forwarding and share load traffic.


2. The three routers run IS-IS and have established an adjacency relationship. The area numbers and router levels are marked in the figure.

If the road between R1 and R2 is interrupted, which of the following statements is correct? (Multiple choice)

A) The default route in the R2 routing table still exists
B) The default route in the R2 routing table will disappear
C) R1 sets the Age of the LSP generated by R2 to 0
D) R1 runs the SPF algorithm to remove R2 from the SPF trunk


3. In the process of transition from IPv4 network to IPv6, some transition technologies have emerged. Which of the following are common types of transition technologies? (Multiple choice)

A) Conversion technology
B) Dual stack technology
C) Forced forwarding technology
D) Tunnel Technology


4. Which of the following options are available for the network type supported by the OSPF protocol? (Multiple choice)

A) Non-Broadcast Multi-Access
B) Point-to-Point
C) Point-to-Multipoint
D) Broadcast


5. Which of the following descriptions about route aggregation in BGP are correct? (Multiple choice)

A) Perform manual aggregation through the aggregate command, and add the keyword detail- suppressed to advertise both the aggregate route and the detailed route to the peer.
B) You can use the summary automatic command to generate automatic summary routes.
C) BGP routes generated by automatic aggregation are better than BGP routes generated by manual aggregation.
D) You can manually generate aggregate routes in the BGP view through the aggregate command.


Solutions:

Question # 1
Answer: B
Question # 2
Answer: B,D
Question # 3
Answer: A,B,D
Question # 4
Answer: A,B,C,D
Question # 5
Answer: A,B,D

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