COMPUTER FUNDAMENTALS

INTRODUCTION TO COMPUTERS

COMPUTER NETWORKS AND THE INTERNET

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What happens if a packet is lost?
A
They ring and ask if they have any spare packets
B
A message is sent back to the original computer to ask for a replacement packet
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -Transport Control Protocol or User Datagram Protocol The main difference between TCP/IP and UDP/IP is that, although both are IP, TCP is a method for ensuring that every packet reaches its destination. When one does not, the destination computer makes a request to the transmitting computer to resend the missing packet.

Detailed explanation-2: -The Transmission Control Protocol (TCP) detects packet loss and performs retransmissions to ensure reliable messaging.

There is 1 question to complete.