COMPUTER NETWORKING

NETWORK LAYER

INTRODUCTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which value, that is contained in an IPv4 header field, is decremented by each router that receives a packet?
A
Header Length
B
Time-to-Live
C
Fragment Offset
D
Differentiated Services
Explanation: 

Detailed explanation-1: -ANS.-2) Differentiated Services or DiffServ is a header field used by routers to decide the path of the packets traversal and also decremented in each step, hence this is the correct option.

Detailed explanation-2: -The header checksum is used to detect errors that may be introduced into the packet as it traverses the network. Packets with an invalid checksum are required to be discarded by any receiving node in the network.

Detailed explanation-3: -Which field in an IPv4 packet header will typically stay the same during its transmission? The value in the Destination Address field in an IPv4 header will stay the same during its transmission. The other options might change during its transmission.

There is 1 question to complete.