OSI and TCP/IP Model Quiz

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What is the top layer of the OSI model?

A

Physical

B

Session

C

Application

D

Transport

Which layer handles data encryption?

A

Session

B

Application

C

Presentation

D

Network

What does TCP stand for?

A

Transmit Control Protocol

B

Transmission Control Protocol

C

Total Control Protocol

D

Transfer Control Protocol

What is the function of the Data Link layer?

A

Session management

B

Data formatting

C

Routing

D

Error detection

Which layer converts frames into bits?

A

Data Link

B

Physical

C

Transport

D

Network

What device operates at the Network layer?

A

Switch

B

Router

C

Hub

D

Modem

What does 'encapsulation' mean?

A

Sending data unprocessed

B

Wrapping data with headers

C

Removing data from packets

D

Opening data streams

How many layers does the TCP/IP model have?

A

Five

B

Seven

C

Four

D

Three

What is the role of the Network Interface layer?

A

Routing packets

B

Moving data frames

C

Encoding data

D

Managing sessions

Which protocol is used for email?

A

FTP

B

HTTP

C

TCP

D

SMTP

Which layer handles session management?

A

Network

B

Session

C

Application

D

Transport

What does the Data Link layer use for addressing?

A

IP addresses

B

Session IDs

C

MAC addresses

D

Port numbers

What is a key benefit of layered models?

A

Increases complexity

B

Eliminates interoperability

C

Simplifies troubleshooting

D

Reduces standardisation

What type of system is an 'open' system?

A

Has custom coding

B

Uses standard protocols

C

Is manufacturer-specific

D

Requires proprietary links