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Last Updated: Aug 14, 2026
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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Multicast Basics | 9% | - IGMP and PIM protocols - Multicast principles |
| Topic 2: Network Security Basics | 9% | - AAA and access control - ACL and packet filtering - Security defense technologies |
| Topic 3: IPv6 Core Knowledge | 3% | - IPv6 addressing and header - IPv6 routing protocols |
| Topic 4: BGP Core Knowledge | 17% | - BGP route selection and control - BGP concepts and attributes - BGP deployment and optimization |
| Topic 5: Switching Core Knowledge | 7% | - VLAN and trunking - Spanning Tree Protocol - Link aggregation |
| Topic 6: OSPF Core Knowledge | 16% | - OSPF route calculation and selection - OSPF configuration and troubleshooting - OSPF principles and operation |
| Topic 7: Large-scale WLAN Networking Architecture | 6% | |
| Topic 8: Network Reliability Basics | 8% | - BFD and fault detection - VRRP and redundancy - High availability design |
| Topic 9: IS-IS Core Knowledge | 8% | - IS-IS routing and configuration - IS-IS protocol fundamentals |
| Topic 10: Routing and Traffic Control | 10% | - Traffic engineering and control - Routing policy and filtering |
| Topic 11: Routing Basics | 3% | |
| Topic 12: Network Service and Management | 2% | |
| Topic 13: Network Solutions | 2% |
1. As shown in the figure, R1 and R2 are in a VRRP backup group, if R1 fails, which of the following actions will R2 perform?
A) Switch to Master device after about 0.22 seconds
B) Do nothing and keep the original state
C) Switch to Master device after about 3.61 seconds
D) Switch to Master device after about 0.61 seconds
2. Which of the following descriptions of stack topology connection methods is incorrect?
A) When stacking link utilization requirements are high, it is recommended to use the chain connection method.
B) When the stack member switches are far apart, chain connection can be used
C) Depending on the stack connection method, the stack can form two connection topologies: link and ring.
D) When the network requires high reliability, it is recommended to use the ring connection method
3. The default priority of the VRRP device in the backup group is:
A) 200
B) 100
C) 150
D) 0
4. Which of the following protocols support network monitoring and management? (Multiple choice)
A) SSH
B) SNMP
C) NetStream
D) SFlow
5. The filter-policy 2000 export is configured in the IS-IS process, which statement about the function of this command is wrong?
A) This command will filter the link state information published externally
B) If this command is not configured, the device will advertise all the routes imported to S-IS by the external routing protocol by default.
C) It needs to be used in combination with route import, so that only part of the imported external routes can be advertised to neighbors
D) It will restrict the publishing of routing entries generated by the device itself
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: A | Question # 3 Answer: B | Question # 4 Answer: B,C,D | Question # 5 Answer: D |
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