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

H12-821_V1.0-ENU real exams

Exam Code: H12-821_V1.0-ENU

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

Updated: Jun 04, 2026

Q & A: 1081 Questions and Answers

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

1. Routers R1 and R2 establish an OSPF neighbor relationship. When R1 receives an LSU message from R2, which of the following methods will it use to inform R2 that it has received the LSU?

A) R1 will return the LSU with the same serial number to R2
B) R1 will respond to R2 with a DD message, in which the sequence number of the LSA header is the same as that of the LSU
C) R1 will transmit the TCP packet with the ACK bit set to 1 to R2
D) R1 will respond with LSAck message to R2


2. If the two interfaces of the firewall are divided into the same area, then the data packet flow between the two interfaces does not need to be processed by packet filtering and is forwarded directly.

A) TRUE
B) FALSE


3. A company has a stack system consisting of three switches that is running stably. Now the main switch has restarted due to a fault.
Which of the following descriptions of this phenomenon are incorrect? (Multiple choice)

A) Before the original master switch is restarted, the original slave switch will be designated as the new backup switch.
B) After the original master switch is restarted, the original backup switch will become the new slave switch.
C) Before the original master switch is restarted, the original backup switch will be upgraded to the new master switch.
D) After the original master switch is restarted, the original master switch will become the new master switch.


4. Similar to OSPF, the two routers establishing a BGP peer relationship must be directly connected.

A) TRUE
B) FALSE


5. As shown in the figure, a set of TCP data flows are transmitted between the Trust zone and the Untrust zone of the stateful firewall. According to the analysis of the message content in the figure, which of the following data flows will be blocked by the firewall?

A)
B)
C)
D)


Solutions:

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

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