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

H12-821_V1.0 real exams

Exam Code: H12-821_V1.0

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

Updated: Aug 11, 2026

Q & A: 385 Questions and Answers

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Huawei H12-821_V1.0 Exam Syllabus Topics:

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

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

1. On an OSPF network, routers learn routing information on the entire network by exchanging LSAs. Which of the following values is the LS Age in the LSA header when an LSA is deleted?

A) 1800s
B) 600s
C) 3600s
D) 1200s


2. A forwarding information database (FIB) can directly guide packet forwarding on a router.

A) TRUE
B) FALSE


3. ACLs are a common tool for matching routes. ACLs are classified into multiple types based on ACL rule functions. An ACL can be identified by a number, and the number range for each type of ACLs is different.
Which of the following type of ACLs are numbered from 4000 to 4999?

A) User-defined ACL
B) Basic ACL
C) Layer 2 ACL
D) Advance ACL


4. BGP is a distance-vector protocol that implements route reachability between ASs and selects optimal routes.
Which of the following statements are true about this protocol?

A) BGP provides various routing policies.
B) BGP supports automatic peer discovery.
C) BGP does not support authentication. Therefore, it cannot ensure network security.
D) BGP uses TCP as the transport layer protocol.


5. Which of the following values is the Reserved/Circuit Type field in the IIH packets sent by a Level-1-2 router on an IS-IS network?

A) 01
B) 10
C) 00
D) 11


Solutions:

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

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