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

1. What are the three most important concepts to remember about successful troubleshooting? (Choose three.)

A) Divide and conquer. Do not try to fix it, but narrow it down to its root cause.
B) The most successful troubleshooters develop a process, use it consistently, and constantly improve its effectiveness.
C) The network system you are troubleshooting must be well defined with knowledge and documentation.
D) Network engineers that are effective troubleshooters succeed because of their ability to use diagnostic systems and software.
E) The best troubleshooters are born with a "gut" feel for solving problems.

2. You have built a new facility and are now testing connectivity. All routers at the new facility can ping their directly connected neighbors, but cannot ping any other routers. Which statement is true?

A) Layer 2 is operational, but layer 1 issues prevent packet forwarding.
B) Layers 1 and 2 are working properly, but layer 3 needs more information to forward packets.
C) A layer 1 issue at the facility prevents all other layers from operating.
D) Layer 1 is operational, but an issue with layer 2 causes frame errors.

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

4. What does this UNIX or Linux command provide?
for file in `find . -name '*.txt'`; do perl -i -pe 's|foo|bar|g' $file; done

A) a list of all text files with the words "foo" or "bar" in them
B) a string search for the words "foo" or "bar"
C) a string replacement of the word "foo" to the word "bar"
D) a string search for the words "foo" and "bar"

5. Which three reasons explain why the network documentation should remain current? (Choose three.)

A) to understand and make changes to the network environment
B) to understand the current inventory of devices
C) increases MTTR
D) to meet ISO 9001 requirements
E) to obtain the current network statistics

Solutions: