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

642-770 real exams

Exam Code: 642-770

Exam Name: Operational Foundations for Cisco Service Provider Core Networks

Updated: May 29, 2026

Q & A: 91 Questions and Answers

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

1. What is the simplest method for detecting invalid or unauthorized changes?

A) Ensure there is strong policy in place; that any violation of change or configuration management processes will result in immediate termination.
B) Complete a weekly reactive review of change control tickets.
C) Use exception reporting from syslog indicating access to a device in privileged mode and compare this report to the change record to identify possible unauthorized changes.
D) Verify the success of network changes.


2. Which two statements about SNMP in Cisco IOS and IOS XR Software are true? (Choose two.)

A) SNMPv3 is not supported in Cisco IOS Software.
B) Informs are not supported in Cisco IOS XR Software.
C) MIBs in Cisco IOS XR Software are handled by four different mibd processes, which are controlled by snmpd.
D) SNMPv3 privacy (encryption) is not supported in Cisco IOS XR Software.
E) Informs are not supported in Cisco IOS Software.


3. Failure of which NMS component can cause the network administrator to not be able to login to any network routers due to authentication errors?

A) CAR
B) CNR
C) ANA
D) NCM
E) NetCool
F) ISC


4. DRAG DROP


5. Your company has deployed a new Cisco router into the core network. Your network fault management system is receiving events from the new device, but the NMS console is showing only the following.
.1.3.6.1.4.1.9.9.117.1.2.1.1.2.7
What is the cause of this event?

A) The fault management system is not communicating with the ticketing system.
B) The fault management system does not have the correct MIBs loaded to support the device.
C) The fault management system is not communicating with the TACACS server.
D) The device is not responding to the inventory requests from the fault management system.


Solutions:

Question # 1
Answer: C
Question # 2
Answer: B,C
Question # 3
Answer: A
Question # 4
Answer: Only visible for members
Question # 5
Answer: B

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