Cisco 642-770 : Operational Foundations for Cisco Service Provider Core Networks
- Exam Code: 642-770
- Exam Name: Operational Foundations for Cisco Service Provider Core Networks
- Updated: Sep 30, 2026
- Q & A: 91 Questions and Answers
About Cisco 642-770 Exam
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Cisco 642-770 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Routing Technologies | - Interior and exterior routing protocols
|
| MPLS and Service Provider Infrastructure | - MPLS architecture
|
| Service Provider Network Fundamentals | - Core networking concepts
|
| High Availability and Security | - Infrastructure reliability
|
| Network Operations and Management | - Operational procedures
|
| Troubleshooting Service Provider Networks | - Diagnostic methodologies
|
Cisco Operational Foundations for Cisco Service Provider Core Networks Sample Questions:
You have been asked to configure an Ethernet flow point on a Cisco ASR 9000. The encapsulation for the Ethernet flow point should include VLANs 20, 30, and 40 to 50. Pop the VLAN tag with the symmetric option. Add an output service policy. Add an Ethernet egress filter in strict mode. Why are these requirements not possible?
- A. The maximum supported VLANs on a single Ethernet flow point is 8.
- B. An Ethernet egress filter in strict mode is only for packets with double VLAN tags.
- C. Service policies are only supported on the inbound direction for Ethernet flow points.
- D. Multiple VLANs cannot be used with the symmetric option.
Correct Answer: D š³ļø
Two of the core routers are not able to establish routing protocol adjacency with each other. To best effectively troubleshoot this issue, which four things should be verified? (Choose four.)
- A. The MPLS (LDP) adjacency is up between the two routers.
- B. NTP is configured on both routers and the clocks are synchronized between the two routers.
- C. The routers interface link that provides connectivity between the two routers is in the UP state.
- D. The two routers can ping each other.
- E. The routing protocol configurations on each router match (such as routing protocol timers and routing protocol authentication).
- F. If a firewall exists in the path between the two routers, it is properly configured.
Correct Answer: C,D,E,F š³ļø
According to the ITIL@ v3 framework, which six processes identify functions of service transition planning and support? (Choose six.)
- A. knowledge management
- B. transition planning and support
- C. incident management
- D. change management
- E. service asset and configuration management
- F. problem management
- G. service validation and testing
- H. performance management
- I. availability management
- J. release and deployment management
Correct Answer: A,B,D,E,G,J š³ļø
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