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 04, 2026

Q & A: 385 Questions and Answers

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Huawei H12-821_V1.0 Exam Syllabus Topics:

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

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

1. If a BGP device is attacked or network configuration errors occur, the device will receive a large number of routes from its peers. As a result, a lot of resources are consumed on the device. To prevent this issue, the administrator must limit the resources to be consumed during device operation based on the network planning and device capacity. BGP provides peer-specific route control to limit the number of routes received from a peer.

A) TRUE
B) FALSE


2. Which of the following attributes cannot be directly referenced in an apply clause of a route-policy?

A) IP-prefix
B) origin
C) tag
D) community


3. 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) 1200s
B) 3600s
C) 600s
D) 1800s


4. Which of the following statements regarding IGMPv1 and IGMPv2 are true?

A) 1GMPv2 supports only general query.
B) IGMPv1 supports general query.
C) 1GMPv2 defines the Leave message type.
D) IGMPv1 does not define the IGMP Leave message type.


5. Which command is used to configure the VRRP preemption delay?

A) vrrp vrid 1 preempt-delay 20
B) vrrp vrid 1 timer delay 20
C) vrrp vrid 1 preempt-timer 20
D) vrrp vrid 1 preempt-mode timer delay 20


Solutions:

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

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