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Cisco 642-770 Exam : Operational Foundations for Cisco Service Provider Core Networks

642-770 actual test
  • Exam Code: 642-770
  • Exam Name: Operational Foundations for Cisco Service Provider Core Networks
  • Updated: Sep 17, 2026
  • Q & A: 91 Questions and Answers
  • PDF Demo
  • PC Test Engine
  • Online Test Engine
  • Total Price: $49.99  

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Cisco 642-770 Exam Syllabus Topics:

SectionObjectives
Topic 1: Network Operations and Management- Operational procedures
  • 1. Configuration management
    • 2. Fault management
      • 3. Performance monitoring
        Topic 2: Service Provider Network Fundamentals- Core networking concepts
        • 1. IPv4 and IPv6 addressing
          • 2. Ethernet and WAN technologies
            • 3. OSI and TCP/IP models
              Topic 3: Troubleshooting Service Provider Networks- Diagnostic methodologies
              • 1. Operational best practices
                • 2. Routing and MPLS troubleshooting
                  • 3. Connectivity verification
                    Topic 4: MPLS and Service Provider Infrastructure- MPLS architecture
                    • 1. LDP operation
                      • 2. Traffic engineering fundamentals
                        • 3. Label switching concepts
                          Topic 5: High Availability and Security- Infrastructure reliability
                          • 1. Network security fundamentals
                            • 2. Redundancy mechanisms
                              • 3. Access control and protection techniques
                                Topic 6: Routing Technologies- Interior and exterior routing protocols
                                • 1. BGP operations
                                  • 2. IS-IS fundamentals
                                    • 3. OSPF fundamentals

                                      Cisco Operational Foundations for Cisco Service Provider Core Networks Sample Questions:

                                      Question #1

                                      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. Multiple VLANs cannot be used with the symmetric option.
                                      • B. The maximum supported VLANs on a single Ethernet flow point is 8.
                                      • C. Service policies are only supported on the inbound direction for Ethernet flow points.
                                      • D. An Ethernet egress filter in strict mode is only for packets with double VLAN tags.
                                      Reveal Solution  Discussion  0

                                      Correct Answer: A  🗳️

                                      Question #2

                                      According to the ITIL@ v3 framework, what is the most important change success criteria?

                                      • A. A user acceptance test is successful.
                                      • B. The service(s) are accessible.
                                      • C. The device responds to a ping command.
                                      • D. The change is completed as per change record.
                                      Reveal Solution  Discussion  0

                                      Correct Answer: A  🗳️

                                      Question #3

                                      According to the ITIL@ v3 framework, which four measurements or measurement modifications can contribute to improvement opportunities in traffic patterns or threshold crossing alarms? (Choose four.)

                                      • A. Identify service take-up trends in monitoring network traffic to determine the adoption and growth of services offered across the network.
                                      • B. Evaluate the impact the rate of incidents have on change.
                                      • C. Implementing hold-down timers on specific alerts that more accurately reflect the impact of an event on performance.
                                      • D. Evaluate the impact the rate of change has on performance.
                                      • E. Evaluate the impact the rate of incidents have on performance.
                                      • F. Evaluate the impact the rate of configuration item inconsistencies have on change.
                                      Reveal Solution  Discussion  0

                                      Correct Answer: A,C,D,E  🗳️

                                      Question #4

                                      What is the acronym commonly used to identify a prearranged agreement between a service team and an external service provider?

                                      • A. UC
                                      • B. SLM
                                      • C. CICS
                                      • D. SLA
                                      • E. OLA
                                      Reveal Solution  Discussion  0

                                      Correct Answer: A  🗳️

                                      Question #5

                                      Which two are benefits of proactive network maintenance? (Choose two.)

                                      • A. gives an opportunity to update network devices
                                      • B. gives an opportunity to reduce change incidents
                                      • C. gives an opportunity to resolve network incidents
                                      • D. gives an opportunity to prevent an outage
                                      Reveal Solution  Discussion  0

                                      Correct Answer: A,D  🗳️

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