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Transport-layer-Protocol

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Question 1

Which of the following transport layer protocols is used to support electronic mail?

A	SMTP
B	IP
C	TCP
D	UDP

Computer-NetworksTransport-layer-ProtocolGATE 2012

Question 1 Explanation:

TCP is used in transport layer to carry out mail which is initiated by application layer protocol SMTP.

Question 2

Which of the following functionalities must be implemented by a transport protocol over and above the network protocol?

A	Recovery from packet losses
B	Detection of duplicate packets
C	Packet delivery in the correct order
D	End to end connectivity

Computer-NetworksTransport-layer-ProtocolGATE 2003

Question 2 Explanation:

End to end connectivity is the required functionality provided by Transport protocol.

There are 2 questions to complete.

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