Question

17. Which layer detects errors and corrects them by requesting retransmission of corrupted packets or
messages.
(A) Physical Layer
(B) DataLink Layer
(C) Transport Layer
(D) none of these
18. Which layer defines the basic packets of data expected to enter or leave the physical network.
(A) Physical Layer
(B) DataLink Layer
(C) Transport Layer
(D) none of these
19. Which Layer coordinates the means for addressing and delivering messages.
(A) DataLink Layer
(B) Physical Layer
(C) Network Layer
(D) none of these
des which of the following?​

Answer 1

Answer:

1. Which layer detects errors and corrects them by requesting retransmission of corrupted packets or

messages.

answer : B) data link layer

2.Which layer defines the basic packets of data expected to enter or leave the physical network.

answer : data link layer

3.Which Layer coordinates the means for addressing and delivering messages.

answer : network layer