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Last Updated: Sep 03, 2026
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| Section | Weight | Objectives |
|---|---|---|
| IS-IS Routing Protocol | 18% | - IS-IS route control and optimization - IS-IS basic concepts and network structure - IS-IS level-1 and level-2 routing - IS-IS link state database and route calculation |
| IP Multicast | 10% | - IGMP protocol and operations - Multicast principles and addresses - PIM-DM and PIM-SM mechanisms |
| OSPF Routing Protocol | 22% | - OSPF neighbor and adjacency establishment - OSPF route summarization and filtering - OSPF area types and LSA types - OSPF special configurations and troubleshooting - OSPF basic principles and characteristics |
| Switching Technologies | 15% | - Eth-Trunk technology and configuration - Advanced switch features and security - RSTP and MSTP protocols |
| BGP Routing Protocol | 22% | - BGP basic principles and session establishment - BGP path attributes and route selection rules - BGP route policy and filtering - BGP confederation and route reflector |
| Routing Control | 13% | - Routing policy and filter policy - Route redistribution between protocols - IP prefix list and access control list |
Question 1
Which description about the permanent multicast address is wrong?
A. All hosts and routers in the network segment listen 224.0.0.1.
B. All routers listen 224.0.0.2.
C. All routers running OSPF protocol listen 224.0.0.5.
D. All routers running the RIPv2 protocol listen 224.0.0.100.
Question 2
About the OSPF command description, which on is incorrect? (Multiple choice)
A. In the OSPFv3 configuration, you do not need to use the router-id command to configure the router-id. The configuration is the same as that of OSPFv2.
B. The configuration difference between the stub area and the totally stub area is that the totally stub is configured with the no-summary parameter.
C. The difference between the OSPFv2 and OSPFv3 configuration interface commands is that OSPFv2 uses the network command and OSPFv3 is enabled on the interface.
D. The stub muter command configures this router as a stub router. A stub router can form a neighbor relationship with a non-stub router.
Question 3
The router receives two BGP routes with the following attributes. Select the optimal route based on the BGP selection rules.
Network NextHop MED LocPrf PrefVal Path/Ogn
M192168 10.1.1.1 30 0 100 i
N192168 10.1.1.2 20 0 100 200i
A. The optimal route is route N, because its AS_Path is longer than route N.
B. The optimal route is route M, because its AS_Path is shorter than route N.
C. The optimal route is route M, because its MED is larger than route N.
D. The optimal route is route N, because its MED is smaller than route M.
Question 4
Different network types of the OSPF protocol can form adjacencies in the FULL state.
A. TRUE
B. FALSE
Question 5
If the router-id is configured in the system view and the BGP view of router, becuase of the high priority of the BGP view, the BGP view uses the router-id in the BGP view.
A. TRUE
B. FALSE
Solutions:
| Question 1 Answer: D | Question 2 Answer: A,D | Question 3 Answer: B | Question 4 Answer: A | Question 5 Answer: A |
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