Networking Questions and Answers – TCP/IP and OSI Reference Model – II

This set of Advanced Network Security Questions & Answers focuses on “TCP/IP and OSI Reference Model”.

1. In terms of the size of the network the correct order (ascending) is –
a) PAN, MAN, LAN, WAN
b) LAN, MAN, WAN, PAN
c) PAN, LAN, MAN, WAN
d) LAN, PAN, MAN, WAN
View Answer

Answer: c
Explanation: Personal Area Network, Local Area Network, Metropolitan Area Network, Wide Area Network is the correct order in terms of size of the network from smallest to largest.

2. How many layers are there in the OSI reference model?
a) 4
b) 5
c) 6
d) 7
View Answer

Answer: d
Explanation: The 7 layers are : Physical Layer, Data Link Layer, Network Layer, Transport Layer, Session Layer, Presentation Layer, Application Layer.

3. Logical Addressing and Routing are functions of which layer?
a) Physical Layer
b) Transport Layer
c) Data Link Layer
d) Network Layer
View Answer

Answer: d
Explanation: . Logical Addressing and Routing are functions of the Network Layer.
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4. Flow Control and Error Control are functions of which layer?
a) Physical Layer
b) Application Layer
c) Data Link Layer
d) Network Layer
View Answer

Answer: c
Explanation: Flow Control and Error Control are functions of the Data Link Layer.

5. Dialog Control and Synchronization are function of which layer?
a) Presentation Layer
b) Application Layer
c) Session Layer
d) Data Link Layer
View Answer

Answer: c
Explanation: Dialog Control and Synchronization are function of the Session Layer.

6.Encryption and Compression are functions of which OSI layer?
a) Presentation Layer
b) Application Layer
c) Session Layer
d) Data Link Layer
View Answer

Answer: a
Explanation: Encryption and Compression are functions of the Presentation Layer.

7. File, Transfer, Access and Management (FTAM) is a function of which layer ?
a) Presentation Layer
b) Application Layer
c) Session Layer
d) Data Link Layer
View Answer

Answer: b
Explanation: FTAM is an Application Layer function.
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8. How many layers are present in the TCP/IP Reference model?
a) 6
b) 7
c) 5
d) 4
View Answer

Answer: d
Explanation: There are 4 layers in the TCP/IP reference model : Link, Internet, Transport and Application.

Sanfoundry Global Education & Learning Series – Cryptography and Network Security.

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To practice advanced questions on all areas of Network Security, here is complete set of 1000+ Multiple Choice Questions and Answers.

If you find a mistake in question / option / answer, kindly take a screenshot and email to [email protected]

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Manish Bhojasia - Founder & CTO at Sanfoundry
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

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