COMPUTER NETWORKING

NETWORK SECURITY

INTRODUCTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Routers function at layer ____ by routing through IP;Switches function at layer ____ by routing through MAC address.
A
3:2
B
2:3
C
1:3
D
1:2
Explanation: 

Detailed explanation-1: -The layer 2 and Layer 3 differs mainly in the routing function. A Layer 2 switch works with MAC addresses only and does not care about IP address or any items of higher layers. Layer 3 switch, or multilayer switch, can do all the job of a layer 2 switch and additional static routing and dynamic routing as well.

Detailed explanation-2: -Switches are one of the traffic directors on the network, and traditionally operate at Layer 2. They allow for the connection of multiple devices in a LAN while decreasing the collision domain by employing packet switching.

Detailed explanation-3: -Layer 2, known as the Data Link Layer, provides node-to-node data transfer with MAC address identification. All nodes on a layer 2 network are visible to one another. Ethernet switches are a common layer 2 example. Layer 3, known as the Network Layer routes data packets to specific nodes identified by IP addresses.

There is 1 question to complete.