640-692 Free Practice Test

Which two of the following are installed fiber-optic connectors? (Choose two)

1. A. subscriber
2. B. crossover
3. C. multi-dimension
4. D. Lucent

Correct Answer: AD

Which step in the router boot process searches for an IOS image to load into the router?

1. A. bootstrap
2. B. POST
3. C. mini-IOS
4. D. ROMMON mode

Correct Answer: A

How does a Cisco switch respond if you boot it without a valid configuration in the NVRAM?

1. A. it enters setup mode.
2. B. it uses the running –configuration
3. C. It prompts you to restore the startup configuration
4. D. it enters user EXEC mode.

Correct Answer: B

When using a modem to provide out-of-band access to a Cisco router, which cable type is used to connect the wall jack to the modem?

1. A. DB-25 to RJ-11
2. B. RJ-11 to Rj-11
3. C. RJ-45 to RJ-45
4. D. RJ-11 to RJ-45
5. E. RJ-11 to DB-9

Correct Answer: B

What is the difference between a CSU/DSU and a modem?

1. A. A CSU/DSU converts analog signals from a router to a leased line; a modem converts analog signals from a router to a leased line.
2. B. A CSU/DSU converts analog signals from a router to a phone line; a modem converts digital signals from a router to a leased line.
3. C. A CSU/DSU converts digital signals from a router to a phone line; a modem converts analog signals from a router to a phone line.
4. D. A CSU/DSU converts digital signals from a router to a leased line; a modem converts digital signals from a router to a phone line.

Correct Answer: D