COMPUTER NETWORKING

INTRODUCTION

PROTOCOL LAYERING

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
____ Responsible for final transmission of digital data bits from the Physical layer of the sending (source) device over network communications media to the Physical layer of the receiving (destination) device
A
Network Layer
B
Physical Layer
C
Transport Layer
D
Data Link Layer
Explanation: 

Detailed explanation-1: -The network layer is the third layer from the bottom. This layer has the accountability to accomplish the routing of data packets from the source to destination host between the inter and intra networks operating on the same or different protocols.

Detailed explanation-2: -The physical layer is responsible for sending computer bits from one device to another along the network. Its role is determining how physical connections to the network are set up, as well as how bits are represented into predictable signals–as they are transmitted either electrically, optically or by radio waves.

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