COMPUTER NETWORKING

NETWORK LAYER

INTRODUCTION

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

Which layer in the OSI model is used to verify that data was delivered without error?

A	Physical
B	Data Link
C	Network
D	Transport

Explanation:

Detailed explanation-1: -The fourth layer of the OSI model ensures complete and reliable delivery of data packets. The transport layer provides mechanisms such as error control, flow control, and congestion control to keep track of the data packets, check for errors and duplication, and resend the information that fails delivery.

Detailed explanation-2: -Data Link Layer This layer is composed of two parts-Logical Link Control (LLC), which identifies network protocols, performs error checking and synchronizes frames, and Media Access Control (MAC) which uses MAC addresses to connect devices and define permissions to transmit and receive data.

Detailed explanation-3: -The Layer 3, or Network Layer, is responsible for finding the right path for the data packet to reach its destination based on Logical Addresses (means addresses not really present on the network node).

There is 1 question to complete.