Class 9 Computer Science · Chapter 3 · Test 3
MCQs Tes 2
17 Mcqs
17 questions · 15 min · 17 marks
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Sample questions
The first 5 of 17. Try each one, then tap to see the answer.
Question 1
What is the main function of the Data Link Layer?
- ARouting data
- BError-free data transmission
- CSession management
- DData translation
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Answer: B
The Data Link Layer provides reliable node-to-node delivery and performs functions such as framing and error detection.
Question 2
Which layer uses IP addresses to route data between networks?
- ANetwork
- BTransport
- CData Link
- DPhysical
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Answer: A
The Network Layer uses logical addresses such as IP addresses to route packets between different networks.
Question 3
Which layer acts as a translator between devices?
- AApplication
- BPresentation
- CData Link
- DSession
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Answer: B
The Presentation Layer handles data translation and formatting so systems using different data representations can communicate.
Question 4
Which layer of the OSI model provides a user interface?
- AData Link
- BNetwork
- CApplication
- DPhysical
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Answer: C
The Application Layer provides network services and interfaces that applications use to communicate over a network.
Question 5
Which protocol assigns an IP address to a device?
- AHTTP
- BDHCP
- CFTP
- DDNS
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Answer: B
DHCP automatically provides devices with IP addresses and other network configuration information.
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