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What happens first after starting a router

  • Load IOS from flash memory
  • Power on self test of router
  • Searching by IOS of a valid configuration
  • None of above

Answer: Option B

Explanation:

When you bring up a router, it firstly run a Power on self test(POST), If it passes then it will load IOS from flash memory then after that IOS looks for a valid configuration.

Similar Questions :

1. Which layer of OSI model will have problem if you get message "Serial1 is down, line protocol is down" after typing "show interface serial 1"

  • Physical Layer
  • Datalink Layer
  • Network layer
  • It is router problem

Answer: Option A

2. Command to delete NVRAM on a router

  • delete NVRAM
  • delete running-config
  • erase NVRAM
  • erase start

Answer: Option D

3. Which command will show all commands available from that particular mode

  • config
  • enable
  • interface
  • ?

Answer: Option D

Explanation:

? is called help command. It shows all commands available from mode in which you are login

4. First IOS was written in

  • 1984
  • 1985
  • 1986
  • 1987

Answer: Option C

5. Command to find the broadcast address from router

  • show running-config
  • show startup-config
  • show interfaces
  • show protocols

Answer: Option C

Read more from - IOS Questions Answers
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