QUESTION $4$

Since TCP uses accumulative ACK, when the timer expires, all the unacked segments will be retransmitted.

True

False

$q,$

QUESTION $5$

In TCP$,$ the receiver will always send out one ACK for each received data segment.

True

False

$q,$

QUESTION $6$

In TCP connection setup, after the server receives the SYN segment and sends out the SYNACK segment, the server will then enter the ESTAB state.

True

False

$q,$

QUESTION $7$

In TCP$,$ during the period after one side $($A$)$ first sends out FIN to close the connection but before the other side $($B$)$ sends out FIN, the side $($A$)$ can no longer send data to the other side $($B$),$ but can still receive data from the other side $(B).$

True

False