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

  • Exam Code: H12-821_V1.0
  • Exam Name: HCIP-Datacom-Core Technology V1.0
  • Updated: Jul 18, 2026
  • Q&As: 385 Questions and Answers

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

1. STP ensures a loop-free network but has a slow network topology convergence speed, affecting communication quality. RSTP has made some improvements based on STP. Which of the following improvements is not included?

A) RSTP reduces five port states to three port states based on user traffic forwarding and MAC address learning.
B) If a port does not receive configuration BPDUs from the upstream device within four Hello intervals, the switch considers that the negotiation with the neighbor fails.
C) RSTP deletes three port states and adds two port roles.
D) The non-root switch running RSTP sends configuration BPDUs at the interval specified by the Hello timer, which is performed independently by each device.


2. On an IS-IS network, all routers generate LSPs. Which of the following types of information is not contained in the LSPs generated by pseudonodes?

A) Interface information
B) Neighbor information
C) Route information
D) Information about supported network protocols


3. Four routers run IS-IS and have established adjacencies. The area IDs and router levels are marked in the following figure. Which of the following statements is true?

A) The LSDB of R2 does not contain the LSP of R4.
B) The LSDB of R1 does not contain the LSP of R4.
C) The LSDB of R2 does not contain the LSP of R3.
D) The LSDB of R3 does not contain the LSP of R4.


4. BGP routes have multiple path attributes. When a router advertises a BGP route to its peers, the route carries multiple path attributes. These attributes describe the characteristics of the BGP route and affect route selection in some scenarios. The attribute is Huawei-specific. It is valid only on the local device and is not transmitted to BGP peers. (Enter the attribute name in lowercase as it appears in the command output about the BGP routing table.)


5. On an RSTP network , port roles are optimized to overcome the disadvantages of STP . Which of the following port roles are supported in RSTP ?

A) Root port
B) Designated port
C) Backup port
D) Alternate port


Solutions:

Question # 1
Answer: B
Question # 2
Answer: C
Question # 3
Answer: B
Question # 4
Answer: Only visible for members
Question # 5
Answer: A,B,C,D

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