COMPUTER NETWORKING

NETWORK LAYER

INTRODUCTION

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

Which IPv4 header field identifies the upper layer protocol carried in the packet?

A	Protocol
B	Identification
C	Version
D	Differentiated Services

Explanation:

Detailed explanation-1: -Question 3Which IPv4 header field identifies the upper-layer protocol carried in the packet? Protocol Identification Version Time to live. header identifies the upper-layer protocol carried in the packet.

Detailed explanation-2: -The payload is the part of the IPv6 packet following the IPv6 basic header, including the extension header and upper-layer PDU. This field has a maximum value of 65535.

Detailed explanation-3: -Protocol (8bits): this is used to identify the upper layer protocol that is currently using this IP datagram. Common protocols include all those on top of IP: TCP, UDP, ICMP, IGMP. Checksum (16bits): this is used to error detect the potential errors in IP header only.

Detailed explanation-4: -An Internet Protocol version 4 packet header (IPv4 packet header) contains application information, including usage and source/destination addresses.

There is 1 question to complete.