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

H12-821_V1.0 real exams

Exam Code: H12-821_V1.0

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

Updated: Sep 19, 2026

Q & A: 378 Questions and Answers

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About Huawei H12-821_V1.0 Exam

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Huawei H12-821_V1.0 Exam Syllabus Topics:

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

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

Question #1
An edge port is a new port role added to RSTP to overcome the disadvantages of STP. Which of the following statements is false about this port role?

A. After receiving a configuration BPDU, the port is still in the Forwarding state.
B. The port does not participate in RSTP calculation.
C. The port can directly enter the Forwarding state from the Discarding state.
D. The Up and Down states of the port do not cause network topology changes.


Question #2
In which of the following scenarios can a neighbor relationship not be established between two directly connected Huawei routers after IS-IS is configured?

A. The two routers are Level-1 routers and have different area addresses.
B. The two routers are Level-2 routers and have different area addresses.
C. The two routers are Level-2 routers with the same area address, and the interfaces connecting them are on the same network segment.
D. One router is a Level-1 router, and the other router is a Level-2 router.


Question #3
Which of the following attacks is not the network layer attack?

A. Smurf attack
B. ICMP attack
C. IP spoofing attack
D. ARP spoofing attack


Question #4
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. Advance ACL
B. Basic ACL
C. User-defined ACL
D. Layer 2 ACL


Question #5
Which three transmission modes are supported for IPv4 packets?

A. Broadcast
B. Anycast
C. Unicast
D. Multicast


Solutions:

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

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