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  • Exam Code: 642-770
  • Exam Name: Operational Foundations for Cisco Service Provider Core Networks
  • Updated: May 27, 2026
  • Q & A: 91 Questions and Answers
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  • Exam Code: 642-770
  • Exam Name: Operational Foundations for Cisco Service Provider Core Networks
  • Updated: May 27, 2026
  • Q & A: 91 Questions and Answers
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Cisco 642-770 dumps - Testing Engine

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  • Exam Code: 642-770
  • Exam Name: Operational Foundations for Cisco Service Provider Core Networks
  • Updated: May 27, 2026
  • Q & A: 91 Questions and Answers
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Cisco Operational Foundations for Cisco Service Provider Core Networks Sample Questions:

1. You are monitoring a corporate network when a number of routers begin reporting high CPU utilization. Console alarms indicate detection of excessive BPDUs. What is the probable cause of these threshold crossing alarms?

A) loss of access to the Internet
B) route flapping
C) multiple broken VLANs
D) Spanning Tree Protocol failure


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

A) UC
B) SLA
C) CICS
D) OLA
E) SLM


3. You have been working an incident and you think you have determined the cause. You are now ready to take corrective action. Which three options should you use as a guideline for implementing your change? (Choose three.)

A) Open a new ticket before making any change to the network.
B) If there are multiple causes, make the transparent changes first.
C) Maintain a physical connection to the console or aux port to ensure that your change does not lock you out of the device.
D) Make all changes at one time to minimize customer impact.
E) Make sure you can back out any changes you make.
F) Brainstorm the change with peers for potential impact.


4. You have just completed a comprehensive study of the traffic patterns in your network. As you review the results, you discover a remote office that has not had any particular problems. However, the volume of voice quality related tickets has increased in the last two weeks. Which two possible causes would the traffic study show? (Choose two.)

A) The circuit to this office has excessive errored seconds continuously through the day.
B) QoS is missing from the circuit configuration to this site.
C) The route to this office is suboptimal and during peak traffic may cause a delay in packet delivery.
D) The circuit to this office is significantly oversubscribed.
E) The circuit to this location experiences brief periods of congestion and excessive retransmits during these periods.


5. According to ITIL@ v3 framework, which of these is a standard change?

A) a change that needs senior management approval
B) a change that needs CAB authorization
C) a medium-impact change
D) a pre-authorized change


Solutions:

Question # 1
Answer: D
Question # 2
Answer: A
Question # 3
Answer: B,E,F
Question # 4
Answer: B,C
Question # 5
Answer: D

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