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

1. What are two valid reasons to upgrade Cisco IOS XR Software? (Choose two.)

A) Already running BGP, and need a specific BGP feature that is not supported in current installed release.
B) Current bandwidth utilization is poor, and bandwidth efficiency needs to be increased.
C) A new line card needs to be added, and it is not supported in the current installed release.
D) There are no rules for this device in the policy table.
E) A few software bugs that have no service impact.

2. 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) ISC
C) CNR
D) ANA
E) NetCool
F) NCM

3. What is the best way to mitigate a problem using any process or troubleshooting method?

A) Always start with an accurate description of the problem and as much supporting information as possible.
B) Always have a positive approach.
C) Always use a divide and conquer approach to eliminate possibilities until you reach the correct solution.
D) Be proactive, identify problems and remedy them before you have to troubleshoot them.

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

5. Which method of traffic analysis allows you to consider the effect of growth and failures on the existing network?

A) NetFlow analysis
B) modeling the network
C) service take-up trend analysis
D) traffic trend analysis

Solutions: