COMPUTER NETWORKING

NETWORK LAYER

INTRODUCTION

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

The command “show ip interface brief” is used to look at which layer?

A	Layer 2
B	Layer 3
C	Layer 4
D	Layer 7

Explanation:

Detailed explanation-1: -Use the display ip interface brief command to display brief IP configuration information, including the state, IP address, and description of the physical and link layer protocols, for the specified Layer 3 interface or all Layer 3 interfaces.

Detailed explanation-2: -Layer 3 switches have separate IP addresses on individual interfaces. Some devices have a factory default, such as 10.157. 22.154, used for troubleshooting during installation. For Layer 3 switches, the address is on unit 1/slot 1/ port 1 (or 1/1/1).

Detailed explanation-3: -Layer 3 interfaces forward packets to another device using static or dynamic routing protocols. You can use Layer 3 interfaces for IP routing and inter-VLAN routing of Layer 2 traffic. Routed Interfaces. You can configure a port as a Layer 2 interface or a Layer 3 interface.

Detailed explanation-4: -To provide inter-VLAN routing, Layer 3 switches use SVIs. SVIs are configured using the same interface vlan vlan-id command used to create the management SVI on a Layer 2 switch.

There is 1 question to complete.