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Cisco 642-770 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Network Operations and Troubleshooting | - Service provider network monitoring and management - Troubleshooting routing and MPLS services |
| MPLS and VPN Technologies | - MPLS architecture and label switching - Layer 3 VPNs and service provider VPN services |
| Service Provider Core Network Fundamentals | - Core routing and switching principles - Service provider network architecture overview |
| Multicast and QoS in Service Provider Networks | - IP multicast routing fundamentals - Quality of Service (QoS) design and implementation |
| Routing Protocols in Service Provider Networks | - BGP fundamentals and service provider use cases - OSPF and IS-IS operation and optimization |
Cisco Operational Foundations for Cisco Service Provider Core Networks Sample Questions:
According to ITIL@ v3 framework, which of these is a standard change?
- A. a medium-impact change
- B. a pre-authorized change
- C. a change that needs senior management approval
- D. a change that needs CAB authorization
Correct Answer: B 🗳️
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.
Correct Answer: A 🗳️
When a traceroute is executed, if a packet does not return within the expected timeout window, what is printed to the screen?
- A. an exclamation point (!)
- B. TTL expired
- C. a period (.)
- D. Time Out
- E. an asterisk (*)
Correct Answer: E 🗳️
At which SONET layer would you expect to see B3 errors?
- A. path
- B. line
- C. segment
- D. physical
Correct Answer: A 🗳️
Which commands could be used to verify that the software upgrade change was completed properly on a Cisco IOS router?
- A. show software version
- B. show upgrade complete
- C. show target configuration
- D. show version
- E. show disk
Correct Answer: D 🗳️
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