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| Section | Weight | Objectives |
|---|---|---|
| OSPF Routing Protocol | 22% | - OSPF basic principles and characteristics - OSPF route summarization and filtering - OSPF area types and LSA types - OSPF neighbor and adjacency establishment - OSPF special configurations and troubleshooting |
| BGP Routing Protocol | 22% | - BGP confederation and route reflector - BGP route policy and filtering - BGP basic principles and session establishment - BGP path attributes and route selection rules |
| IS-IS Routing Protocol | 18% | - IS-IS route control and optimization - IS-IS link state database and route calculation - IS-IS level-1 and level-2 routing - IS-IS basic concepts and network structure |
| Routing Control | 13% | - IP prefix list and access control list - Route redistribution between protocols - Routing policy and filter policy |
| IP Multicast | 10% | - IGMP protocol and operations - PIM-DM and PIM-SM mechanisms - Multicast principles and addresses |
| Switching Technologies | 15% | - RSTP and MSTP protocols - Eth-Trunk technology and configuration - Advanced switch features and security |
1. Which of the following regarding the routing ID description in dynamic routing protocols is wrong?
A) If no router-id is configured and no loopback interface address is configured, the largest router ID is selected from the IP address of the physical interface.
B) If the router-id is manually configured using the router-id command, the router-id is used.
C) If the router-id is not manually configured and the loopback interface address is configured, the router ID with the largest loopback interface address is selected as the router ID.
D) After the Router ID is changed, the Router ID of each protocol changes, and no additional operations are required.
2. OSPF route classification: divided into 4 categories, what are the priorities in order?
A) Inter-area routing, intra-area routing, second-class external routing, and first-class external routing
B) intra-area routing, inter-area routing, first-class external routing, and second-class external routing
C) Intra-area routing, inter-area routing, second-class external routing, and first-class external routing
D) Inter-area routing, intra-area routing, first-class external routing, and second-class external routing
3. The authentication modes supported by the AR2200 are classified according to the encryption algorithm: no authentication, simple plain text verification, and MD5 authentication.
A) TRUE
B) FALSE
4. Which of the following description is wrong about the routing selection tool?
A) as-path-filter is used to match the AS-PATH attribute in BGP routing information, so it can only be used to filter BGP routes.
B) An access control list (ACL) is used to match routing information or the address of a packet, and to filter out routing information or packets that do not meet the criteria.
C) route-policy is a powerful filtering tool, but it can only match routes and packets and cannot be used to modify routing attributes or packet forwarding behavior.
D) The community-filter is used to match the community attributes of BGP routing information and can only be used to filter BGP routes.
E) The prefix list (ip-prefix) matches the destination address of the routing information or directly acts on the router object (gateway).
5. What kinds of special areas does OSPF define? (Multiple Choice)
A) Stub area
B) Totally NSSA
C) Totally Stub Area
D) Not-So-Stubby Area
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: B | Question # 3 Answer: A | Question # 4 Answer: D | Question # 5 Answer: A,B,C,D |
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