COMPUTER NETWORKING

NETWORK LAYER

NEXT GENERATION IP

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the field in the IPv4 packet header that tells a L3 device ( router ) when a packet should be dropped?
A
hop limit
B
Time to live
C
Round trip time
D
type field
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: -IPv4 Addressing. IPv4 addresses are 32-bit numbers represented as strings of 0s and 1s. As mentioned before, the Layer 3 header contains a Source IP Address field and a Destination IP Address field.

Detailed explanation-3: -To avoid l-3 loop we have TTL in IP header.

There is 1 question to complete.