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Huawei H12-821_V1.0 Exam Syllabus Topics:

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

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Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions (Q264-Q269):

NEW QUESTION # 264
Both MQC and PBR can be applied on device interfaces to filter received and sent packets or control packet forwarding paths.

Answer: A

Explanation:
MQC and PBR
MQC (Modular QoS Command-Line Interface): Applied to interfaces for classifying and controlling traffic. PBR (Policy-Based Routing): Used to influence packet forwarding based on policies rather than traditional routing tables.
Both MQC and PBR can be configured on device interfaces to filter incoming/outgoing packets or control their forwarding paths.


NEW QUESTION # 265
The AS_Path attribute is an important BGP attribute used for route selection. Which of the following statements are true about this attribute?

Answer: A,B,D

Explanation:
Comprehensive and Detailed In-Depth Explanation:
* AS_Path is a well-known mandatory attribute (not discretionary).
* AS_Path characteristics:
* A. TRUE # When advertising to IBGP peers, AS_Path remains unchanged to prevent routing loops.
* B. TRUE # BGP uses AS_Path to detect loops (if a router sees its own AS in the path, it rejects the route).
* C. FALSE # AS_Path is well-known mandatory, not discretionary.
* D. TRUE # BGP ignores AS_Confed_Sequence and AS_Confed_Set when calculating the AS_Path length.
# Reference: Huawei HCIA-Datacom Study Guide, BGP Path Attributes and Loop Prevention.


NEW QUESTION # 266
In the VRP system, which of the following descriptions about OSPF cost (Cost) is wrong?

Answer: B


NEW QUESTION # 267
On Huawei equipment, which of the following commands can realize the linkage between BFD and the static default route?

Answer: D


NEW QUESTION # 268
When multiple access channels are set for the same access requirement, the insecure access channels are not used and secure access channels are selected in normal cases. Which of the following are secure access channels?

Answer: A,C

Explanation:
Secure access channels include protocols that encrypt the transmitted data to protect against interception or unauthorized access. HTTPS (HyperText Transfer Protocol Secure) ensures data encryption over web communications, while SFTP (Secure File Transfer Protocol) provides secure file transfer by utilizing SSH for data encryption. Telnet and SNMPv2, on the other hand, lack robust encryption and are considered insecure. Huawei security standards highlight the importance of encrypted communication to prevent data leaks .


NEW QUESTION # 269
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