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Cisco 642-775 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Service Provider Routing Protocols Maintenance | - Routing Policy Languages
|
Cisco Maintaining Cisco Service Provider Routing Protocols (MSPRP） Sample Questions:
An ISP is using OSPF as the IGP with a single OSPF area. The router memory usage for OSPF is too high. Which method can lower the OSPF memory usage?
- A. implement multiple OSPF areas
- B. implement OSPF sham links
- C. implement BGP synchronization to synchronize between OSPF and BGP
- D. implement passive interfaces
Refer to the exhibit
The Cisco IOS Software platform PE1 has interface GigabitEthernet port 0/0 connected to the Cisco IOS XR software platform PE4 interface GigabitEthernet 0/4/0/2. OSPF cannot establish an adjacency. What is a possible solution to the problem?
- A. Configure OSPF on each platform to ignore the interface MTU
- B. Adjust the Cisco lOS XR Software hello and dead times to match Cisco IOS software
- C. Change the interface configurations on both platforms to point network type
- D. Explicitly configure the Cisco lOS XR Software interface to be active OSPF interface
Refer to the exhibit. Two Cisco IOS routers that are configured with OSPF cannot establish adjacency. Examine the information that is collected from r1 and r2. Why cannot the adjacency be established?
- A. Area ID mismatch
- B. Subnet mismatch
- C. Network-type mismatch
- D. Different MTU
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Refer to the exhibit.
R1 and R3 are trying to peer with each other, but the session will not establish. What can be done to allow BGP to establish the session?
- A. Both routers should set the BGP next hop as self.
- B. Each router must explicitly activate the session before it can be established.
- C. Increase the number of hops that are allowed when building the BGP session between the routers.
- D. On both routers, specify that the source of the session is the loopback interface.
Which is true when troubleshooting Cisco IOS XR Software by using the CLI?
- A. Trace uses a butter that is shared by all processes
- B. Debug commands are less CPU-intensive than trace commands.
- C. Both trace and debug features need to be manually enabled when troubleshooting
- D. Trace command logs will survive a system reboot, bill debug will not
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