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Consider the ...

Question

Consider the following statements.
I. TCP connections are full duplex
II. TCP has no option for selective acknowledgment
III. TCP connections are message streams.

A

Only I and II are correct

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B

Only II and III are correct

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C

Only I is correct

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D

All of I, II and III are correct

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Solution

The correct option is C Only I is correct
TCP is a byte stream protocol. Hence III is false. TCP can use both selective ACK and Cumulative Acknowledgment. Hence II is false.
TCP connection are full duplex.
$∴$ Statement I is correct.

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