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Huawei H12-821_V1.0 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Routing and Traffic Control10%- Routing policy and filtering
- Policy-based routing
- Route import and redistribution
Topic 2: IPv6 Technologies3%- IPv6 address structure and configuration
- IPv6 routing protocols
Topic 3: IS-IS Fundamentals8%- IS-IS configuration and deployment
- IS-IS protocol principles
Topic 4: Network Solutions and Design5%- Typical network architecture and solution
- Enterprise network design principles
Topic 5: Network Service and Management5%- DHCP and DNS services
- Network management and monitoring
Topic 6: Routing Basics3%- Routing table composition and selection rules
- Routing concepts and classification
Topic 7: Ethernet Switching Technologies7%- Link aggregation and stack technology
- Spanning Tree Protocol
- VLAN principles and configuration
Topic 8: WLAN Basics2%- WLAN deployment and optimization
- WLAN technology principles
Topic 9: Network Security8%- AAA authentication
- ACL and packet filtering
- Attack defense and security policy
Topic 10: Multicast Technologies9%- IGMP protocol
- Multicast basic concepts
- PIM protocol
Topic 11: Network Reliability7%- Device redundancy and link backup
- BFD technology
- VRRP protocol
Topic 12: BGP Fundamentals17%- BGP characteristics and working principles
- BGP configuration and policy application
- BGP route attributes and selection
Topic 13: OSPF Fundamentals16%- OSPF principles and operation mechanisms
- OSPF configuration and optimization
- OSPF special applications and troubleshooting

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Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions (Q403-Q408):

NEW QUESTION # 403
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.

Answer: B

Explanation:
Comprehensive and Detailed Step-by-Step Explanation:
* BGP ConnectRetry Timer:
* The ConnectRetry timer is used when establishing a TCP connection between BGP peers.
* If the connection is successful, the timer is disabled.
* If the connection fails, the timer restarts, and the router attempts to reconnect after the timer expires.
* Behavior:
* This timer prevents excessive connection attempts and ensures efficient resource utilization.
References:
* HCIA-Datacom Study Guide, Chapter: BGP Session Establishment
Huawei BGP Timers and Session Management


NEW QUESTION # 404
During routine check, the administrator of an enterprise finds that some switch ports are not in use. Therefore, the administrator logs in to the device and manually disables the ports to further ensure device security.

Answer: B


NEW QUESTION # 405
Network administrator A wants to check the neighbor status of BGP router R2. The BGP neighbor status information of R2 is as shown in the figure. Please help network administrator A obtain the following information: The AS where R2 is located is AS ()

Answer:

Explanation:
102


NEW QUESTION # 406
When configuring BFD to detect link faults on devices at both ends, an enterprise administrator incorrectly sets parameters to different values on the two devices, as shown in the figure. Which of the following is the interval for sending packets on R1 after negotiation?

Answer: D


NEW QUESTION # 407
A large number of external routes are imported to an NSSA of an enterprise ' s OSPF network. The customer requires that the number of LSAs in non-special areas be reduced. To meet this requirement, route summarization can be configured on an ABR in the NSSA to summarize the routes corresponding to the Type
5 LSAs translated from Type 7 LSAs.

Answer: B


NEW QUESTION # 408
......

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