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Huawei H12-821_V1.0-ENU Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Switching Core Knowledge | 7% | - VLAN and trunking - Spanning Tree Protocol - Link aggregation |
| Topic 2: Routing and Traffic Control | 10% | - Routing policy and filtering - Traffic engineering and control |
| Topic 3: OSPF Core Knowledge | 16% | - OSPF principles and operation - OSPF route calculation and selection - OSPF configuration and troubleshooting |
| Topic 4: Network Reliability Basics | 8% | - BFD and fault detection - High availability design - VRRP and redundancy |
| Topic 5: BGP Core Knowledge | 17% | - BGP concepts and attributes - BGP deployment and optimization - BGP route selection and control |
| Topic 6: Network Solutions | 2% | |
| Topic 7: Multicast Basics | 9% | - Multicast principles - IGMP and PIM protocols |
| Topic 8: Routing Basics | 3% | |
| Topic 9: Large-scale WLAN Networking Architecture | 6% | |
| Topic 10: Network Security Basics | 9% | - AAA and access control - Security defense technologies - ACL and packet filtering |
| Topic 11: Network Service and Management | 2% | |
| Topic 12: IPv6 Core Knowledge | 3% | - IPv6 addressing and header - IPv6 routing protocols |
| Topic 13: IS-IS Core Knowledge | 8% | - IS-IS routing and configuration - IS-IS protocol fundamentals |
Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions:
BGP prefers the route with the best Origin attribute value. The Origin attribute value is: EGP, (), Incomplete.
IGP
There can be multiple nodes under a Route-Policy. Different node numbers are identified by node numbers. The relationship between different nodes is an "OR" relationship.
- A. FALSE
- B. TRUE
The four routers run IS-IS and have established adjacency. The area numbers and router levels are marked in the figure. The link between R1 and R2 is a PPP link, and R2 is DIS. Which of the following statements is correct? (Multiple choice)
- A. R2 sends the LSP to R3 and R4 in unicast mode
- B. R3 periodically sends CSNP to help achieve Level-2 LSDB synchronization
- C. If R1 sends an LSP message, R2 needs to send PSNP for confirmation
Regarding BGP MED, which of the following descriptions are correct? (Multiple choice)
- A. The default value of BGP route MED is 0
- B. By default, BGP route selection rules can compare the distance between routes from different autonomous systems
- C. In BGP route selection rules, the priority of MED is lower than AS-Path, Preferred-Value, Local-Preference, Origin.
- D. By default, if there is no MED value set in the route attribute, press Process. If the bestroute med-none-as maximum command is configured. Then the maximum value of the MED correction is
4294967295 to process
In VRRP, when the device status changes to Master, it will immediately send free ARP to refresh the MAC table entry of the downstream device, thereby directing user traffic to this device.
- A. FALSE
- B. TRUE
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