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100% Huawei H12-821_V1.0-ENU Guaranteed Success With Testing Engine

Exam Code: H12-821_V1.0-ENU

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

Updated: Jul 30, 2026

Number: 1081 Q&As with Testing Engine

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Huawei H12-821_V1.0-ENU Exam Overview:

Certification Vendor:Huawei
Exam Name:HCIP-Datacom-Core Technology V1.0
Exam Number:H12-821_V1.0-ENU
Passing Score:600/1000
Real Exam Qty:60
Exam Price:300 USD
Exam Duration:90 minutes
Certificate Validity Period:3 years
Exam Format:Single-choice, Multiple-choice, True/False, Drag-and-drop
Related Certifications:HCIP-Datacom-Advanced Routing & Switching Technology
HCIP-Datacom-Network Automation Developer
HCIP-Datacom-Campus Network Planning and Deployment
Available Languages:English, Chinese
Recommended Training:Huawei Official Training
Exam Registration:Pearson VUE Registration
Sample Questions:Huawei H12-821_V1.0-ENU Sample Questions
Exam Way:Online proctored / Onsite at Pearson VUE test centers
Pre Condition:Recommended: HCIA-Datacom certification or equivalent knowledge; 1–2 years of networking experience
Official Syllabus URL:https://e.huawei.com/en/talent/certification/exam/h12-821_v1.0

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

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

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

1. Through the following display commands, by which of the following you can judge whether the switch loop failure is caused?

A) [CE02] displaytrapbuffer Pleasecheckthenetworkaccessedtoflappingport
B) [CE02] displaycpu-usage
C) [CE02] displayinterfacebriefincludeup
D) [CE02] displaycpu-defendstatistics


2. Which of the following descriptions of 802.1X authentication technology in VLAN networks is incorrect?

A) Adopt a typical C/S architecture
B) Usually use RADIUS server as authentication server
C) It is a port-based three-layer network access control protocol
D) The client must support EAPoL on the LAN


3. The attacker sends an ICMP response request and sets the destination address of the request packet as the broadcast address of the victim network to achieve the attack purpose. So, which of the following attacks does this behavior belong to?

A) IP spoofing attack
B) Smurf attack
C) SYN flood attack
D) ICMP redirection attack


4. There are two ways to deploy Filter-Policy tools in BGP, one is to deploy globally under BGP, and the other is to deploy when pointing to peers (groups).

A) TRUE
B) FALSE


5. Which of the following descriptions about DR are correct? (Multiple choice)

A) In a multi-access network, the DR acts as a querier for IGMPv1.
B) The receiving end DR is responsible for sending Register messages to the multicast source or RP.
C) By default, the interface priority of the PIM router is 1.
D) DR election is implemented through the Hello message of the PIM protocol.
E) During the election process, if the DR priorities are the same, the one with the larger IP address will become the DR.


Solutions:

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

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