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

Exam Code: H12-821_V1.0

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

Updated: Sep 08, 2026

Q & A: 378 Questions and Answers

H12-821_V1.0 Free Demo download

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Huawei H12-821_V1.0 Exam Syllabus Topics:

Section	Objectives
Topic 1: IS-IS	- IS-IS Fundamentals 1. LSP and SPF Mechanism 2. Level-1 and Level-2 Routing 3. IS-IS Neighbor Establishment
Topic 2: Network Reliability	- Reliability Technologies 1. VRRP 2. BFD 3. Redundancy Design
Topic 3: Network Security	- Security Technologies 1. AAA 2. Attack Prevention 3. ACL
Topic 4: Routing and Traffic Control	- Traffic Management 1. Traffic Optimization 2. Route Filtering 3. Policy-based Routing
Topic 5: Multicast	- IP Multicast Technologies 1. Multicast Forwarding 2. IGMP 3. PIM
Topic 6: WLAN	- Wireless Networking 1. WLAN Deployment 2. WLAN Architecture 3. Wireless Security
Topic 7: OSPF	- OSPF Fundamentals 1. OSPF Area Design 2. OSPF Neighbor Relationship 3. LSA and SPF Calculation
Topic 8: Network Solutions	- Enterprise Network Solutions 1. Datacom Architecture 2. Campus Network 3. WAN Solution
Topic 9: IPv6	- IPv6 Fundamentals 1. IPv4 to IPv6 Transition 2. IPv6 Addressing 3. IPv6 Routing
Topic 10: Ethernet Switching Technology	- Switching Fundamentals 1. STP/RSTP/MSTP 2. Link Aggregation 3. VLAN
Topic 11: Network Service and Management	- O&M Technologies 1. Network Monitoring 2. Telemetry 3. SNMP
Topic 12: Routing Basics	- IP Routing Fundamentals 1. Static Routing 2. Route Selection 3. Routing Table Principles
Topic 13: BGP	- BGP Technologies 1. BGP Route Advertisement 2. BGP Path Selection 3. IBGP and EBGP

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

Question #1

After BGP initiates a TCP connection, the ConnectRetry timer is disabled if the TCP connection is successfully established. If the TCP connection fails to be established, the device tries to reestablish the TCP connection when the ConnectRetry timer expires.

A. FALSE
B. TRUE

Answer: B

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Question #2

On a WLAN, engineers can use the VLAN pool mechanism to assign access users to different VLANs, which helps reduce the number of broadcast domains and improve network performance.

A. FALSE
B. TRUE

Answer: B

Question #3

The traffic limiting policy feature only supports the number of connections initiated by the specified IP or the number of connections received.

A. FALSE
B. TRUE

Answer: A

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Question #4

As shown in the figure, SWA, SWB, SWC, and SWD run the Rapid Spanning Tree Protocol (RSTP). Which of the following statements are true?

A. After a port is Configured as an edge port, the port can quickly enter the Forwarding state.
B. You can enable the edge port on SWC ' s GE0/0/2 connected to the terminal so that this port can quickly enter the forwarding state.
C. Once receiving OPOUs, the edge port re-partlci pates in the calculation of the spanning tree.
D. You can enable the edge port on SWD ' s GEO/0/2 connected to the terminal so that this port can quickly enter the Forwarding state.

Answer: A,B,D

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Question #5

In IP multicast, RPF routes can be elected only from among unicast routes and multicast static routes.

A. FALSE
B. TRUE

Answer: B

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