How does TCP handle packet loss?
What will be an ideal response?
To handle packet loss, transport protocols use positive acknowledgement with
retransmission. Whenever a frame arrives intact, the receiving protocol software sends a small
acknowledgement (ACK) message that reports successful reception. The sender takes responsibility
for ensuring that each packet is transferred successfully. Whenever it sends a packet, the sending-side
protocol software starts a timer. If an ACK arrives before the timer expires, the software cancels the
timer; if the timer expires before an ACK arrives, the software sends another copy of the packet and
starts the timer again. The action of sending a second copy is known as retransmitting, and the copy is
commonly called a retransmission.
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Which of the following is the correct formula for calculating the number of new subnets?
A. 2(number of zeroes in the subnet mask)-2 B. 2(number of ones in the subnet mask)-2 C. 2(number of ones in the network ID extension)-2 D. 2(number of network ID extension digits)-2
?Suppose your employer has four manufacturing units, each with its own data operations. They are considering using BI tools. Which of the following is a valid recommendation regarding the BI initiative?
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