COMPUTER NETWORKING

NETWORK LAYER

INTRODUCTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
ICMP is primarily used for ____
A
error and diagnostic functions
B
addressing
C
forwarding
D
routing
Explanation: 

Detailed explanation-1: -The correct answer is error reporting. ICMP: The Internet Control Message Protocol (ICMP) is a network layer protocol used by network devices to diagnose network communication issues.

Detailed explanation-2: -ICMP (Internet Control Message Protocol) is an error-reporting protocol that network devices such as routers use to generate error messages to the source IP address when network problems prevent delivery of IP packets.

Detailed explanation-3: -ICMP uses the source IP address to send the error message to the source (originator) of the datagram. Five types of errors are handled: destination unreachable, source quench, time exceeded, parameter problems, and redirection (see figure1).

There is 1 question to complete.