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Class 9 Computer Science Chapter 6 MCQs — Introduction to Computer Networks

Class 9 Computer Science · Chapter 6 · Chapter practice

Practise this chapter online, check each answer and review your result. The current bank contains 40 objective questions for this chapter and medium.

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Sample practice questions

What is the primary objective of computer networks?

  1. Preventing all device interaction
  2. Resource sharing and data communication
  3. Changing the physical colour of every computer
  4. Replacing every operating system
Answer / جواب

Resource sharing and data communication

Which device connects different networks and directs packets between them?

  1. Router
  2. Keyboard
  3. Printer tray
  4. Scanner glass
Answer / جواب

Router

Which OSI layer handles link-level frames and error detection between adjacent nodes?

  1. Application layer
  2. Presentation layer
  3. Session layer
  4. Data Link layer
Answer / جواب

Data Link layer

What does DNS do?

  1. Encrypt all files on a drive
  2. Print web pages
  3. Translate domain names into IP addresses
  4. Assign a new IP lease to each device
Answer / جواب

Translate domain names into IP addresses

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