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

  • Exam Code: H12-821_V1.0
  • Exam Name: HCIP-Datacom-Core Technology V1.0
  • Updated: Sep 25, 2026
  • Q & A: 378 Questions and Answers

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Huawei H12-821_V1.0 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: OSPF16%- OSPF core concepts
- OSPF areas and LSDB
Topic 2: Routing and Traffic Control10%- Traffic engineering basics
- Policy-based routing
Topic 3: Network Service and Management2%- Network management basics
Topic 4: Routing Fundamentals3%- Network basics and routing principles
Topic 5: Network Reliability8%- Redundancy and failover mechanisms
Topic 6: Network Solution2%- Integrated network design scenarios
Topic 7: Network Security9%- ACL and basic security mechanisms
Topic 8: Large-scale WLAN Architecture6%- Enterprise WLAN deployment basics
Topic 9: IPv63%- IPv6 addressing and routing
Topic 10: IS-IS8%- IS-IS protocol fundamentals
Topic 11: Multicast9%- IGMP and PIM concepts
Topic 12: Switching Technologies7%- VLAN and STP fundamentals
Topic 13: BGP17%- BGP policy and attributes
- BGP path selection

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

Question #1

If the interval for two consecutive packets of a TCP session reaching the firewall is longer than the aging time of the session, the firewall deletes the session information from the session table to ensure network security.

  • A. FALSE
  • B. TRUE
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

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Question #2

In addition to a route reflector, the confederation is another method that reduces the number of IBGP connections in an AS.
Which of the following statements are true about the confederation technology? (Choose all that apply)

  • A. This technology is applicable to large-scale networks.
  • B. Special EBGP connections are established among sub-ASs in a confederation, and the sub-ASs need to be fully meshed.
  • C. The logical topology does not need to be changed when a confederation is used.
  • D. All member devices in a confederation need to be reconfigured.
Reveal Solution  Discussion  0

Correct Answer: A,B,C  🗳️

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Question #3

In special scenarios, when advertising routes to an IBGP peer, a BGP device needs to set the next hop to its IP address to prevent blackhole routes. Which of the following commands can be run in this case?

  • A. peer private-nexthop
  • B. peer mpls-local-ifnet
  • C. peer next-hop-local
  • D. peer next-hop-invariable
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

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Question #4

Which of the following protocols are multi-channel protocols?

  • A. SMTP
  • B. Telnet
  • C. H.323
  • D. FTP
Reveal Solution  Discussion  0

Correct Answer: C,D  🗳️

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Question #5

OSPF networks are classified into four types of networks by link layer protocol. Which of the following types of networks do not require DR/BDR election?

  • A. P2P
  • B. NBMA
  • C. P2MP
  • D. Broadcast
Reveal Solution  Discussion  0

Correct Answer: A,C  🗳️

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