IOS Questions Answers

• 1. Meaning of IOS is

  1. Integrated operating system
  2. Intergrated open system
  3. Internetworking operating system
  4. None of above

  Answer And Explanation

  Answer: Option C

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• 2. First IOS was written in

  1. 1984
  2. 1985
  3. 1986
  4. 1987

  Answer And Explanation

  Answer: Option C

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• 3. Which is not a function of IOS

  1. Carrying network protocols and functions
  2. Connecting high speed traffic between devices
  3. Providing scalability for ease of network growth and redundancy
  4. Creating session between hosts in LAN

  Answer And Explanation

  Answer: Option D

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• 4. What happens first after starting a router

  1. Load IOS from flash memory
  2. Power on self test of router
  3. Searching by IOS of a valid configuration
  4. None of above

  Answer And Explanation

  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.

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• 5. CLI in IOS terminology is short form of

  1. Caller line interface
  2. Common line interface
  3. Command link interface
  4. None of above

  Answer And Explanation

  Answer: Option C

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• 6. Subinterfaces allows to you to

  1. Create logical interfaces within the router
  2. Get into previleged mode
  3. Get into user execution mode
  4. None of above

  Answer And Explanation

  Answer: Option A

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• 7. Which mode provides interactive configuration dialog

  1. User EXEC mode
  2. Privileged mode
  3. Global configuration mode
  4. Setup mode

  Answer And Explanation

  Answer: Option D

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