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

H12-821_V1.0-ENU

Exam Code: H12-821_V1.0-ENU

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

Updated: Aug 15, 2026

Q & A: 1081 Questions and Answers

H12-821_V1.0-ENU Free Demo download:

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Huawei H12-821_V1.0-ENU Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: OSPF Core Knowledge16%- OSPF configuration and troubleshooting
- OSPF principles and operation
- OSPF route calculation and selection
Topic 2: Switching Core Knowledge7%- Spanning Tree Protocol
- Link aggregation
- VLAN and trunking
Topic 3: Network Service and Management2%
Topic 4: Network Reliability Basics8%- VRRP and redundancy
- High availability design
- BFD and fault detection
Topic 5: Network Solutions2%
Topic 6: Multicast Basics9%- Multicast principles
- IGMP and PIM protocols
Topic 7: Routing Basics3%
Topic 8: Network Security Basics9%- Security defense technologies
- AAA and access control
- ACL and packet filtering
Topic 9: IS-IS Core Knowledge8%- IS-IS routing and configuration
- IS-IS protocol fundamentals
Topic 10: BGP Core Knowledge17%- BGP deployment and optimization
- BGP concepts and attributes
- BGP route selection and control
Topic 11: IPv6 Core Knowledge3%- IPv6 addressing and header
- IPv6 routing protocols
Topic 12: Routing and Traffic Control10%- Routing policy and filtering
- Traffic engineering and control
Topic 13: Large-scale WLAN Networking Architecture6%

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

1. Which of the following attack methods are fragmented packet attacks? (Multiple choice)

A) Smurf attack
B) Tear Drop: Attack
C) Syndropl attack
D) Huge number of fragment attacks
E) Huge offset attack
F) UDP Floodi attacks


2. The ACL configuration of a router is as shown in the figure. Based on the content analysis in the figure, which of the following descriptions is correct?

A) Accessing the host at the 10.167.12.1 address through SSH from the 192.168.1.0/24 network segment is denied.
B) Traffic in this device from the 192.168.1.0/24 network segment to the host address other than
10.167.12.1 is not allowed to pass.
C) Accessing all hosts in the 10.167.12.0/24 network segment through Telnet from the 192.168.1.0/24 network segment is allowed
D) Accessing all hosts in the 10.167.12.0/24 network segment through remote desktop from the
192.168.1.0/24 network segment is allowed


3. Which of the following descriptions about ABR in OSPF is wrong?

A) There are multiple LSDBs on the ABR, and the ABR maintains an LSDBD for each area.
B) ABR cannot generate Type 4 and Type 5 LSAs
C) The ABR converts Type 1 and Type 2 LSAs in the connected non-backbone area into Type 3 LSAs and advertises them to the backbone area
D) ABR converts Type 1, Type 2 LSA and Type 3 LSA in the backbone area into Type 3 LSA and publishes them to the connected non-backbone area


4. A route-policy can have multiple nodes, different node numbers are identified by seq-number, and the relationship between different seq-number parts is an "or" relationship.

A) TRUE
B) FALSE


5. EVPN is a VPN technology that can only provide layer 2 network interconnection.

A) TRUE
B) FALSE


Solutions:

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

H12-821_V1.0-ENU Related Exams
H12-831_V1.0 - HCIP-Datacom-Advanced Routing & Switching Technology V1.0
H12-831_V1.0-ENU - HCIP-Datacom-Advanced Routing & Switching Technology V1.0
H12-821_V1.0 - HCIP-Datacom-Core Technology V1.0
H12-831-ENU - HCIP-Datacom
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