Class 12 Computer Science · Chapter 1 · Test 2
Protocols and IP
40 MCQs
40 questions · 35 min · 40 marks
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Sample questions
The first 5 of 40. Try each one, then tap to see the answer.
Question 1
OSI stands for:
- AOpen Systems Interconnection
- BOnline System Internet Connection
- COpen Software Internet Control
- DOperating System Interface Connection
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Answer: A
OSI stands for Open Systems Interconnection.
Question 2
The OSI model contains:
- AFive layers
- BSix layers
- CSeven layers
- DEight layers
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Answer: C
The OSI model has seven layers.
Question 3
Which layer sends raw data as electrical or optical or radio signals?
- APhysical layer
- BNetwork layer
- CSession layer
- DApplication layer
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Answer: A
The physical layer sends raw bits as signals over the medium.
Question 4
Which layer ensures error-free transfer between directly connected nodes?
- APhysical layer
- BTransport layer
- CData Link layer
- DPresentation layer
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Answer: C
The data link layer handles framing and error detection between directly connected nodes.
Question 5
Which layer handles routing and logical addressing?
- AData Link layer
- BNetwork layer
- CSession layer
- DPhysical layer
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Answer: B
The network layer routes data and manages IP addresses.
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