Which protocol ensures "reliable" delivery by checking for errors and…
2026
Which protocol ensures "reliable" delivery by checking for errors and requesting re-transmission if a data packet is lost?
- A.
UDP
- B.
IP
- C.
TCP
- D.
ICMP
Attempted by 380 students.
Show answer & explanation
Correct answer: C
The correct answer is TCP. TCP ensures reliable delivery by checking for errors and requesting re-transmission if packets are lost, which matches the question description. UDP is connectionless and does not provide these reliability guarantees.