NETWORK LAYER
INTRODUCTION
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
Postgram
|
|
Datagram
|
|
Virtual Circuit
|
|
Packet switched
|
Detailed explanation-1: -If connectionless service is offered, packets are injected into the subnet individually and routed independently of each other. No advance setup is needed. In this context, the packets are frequently called datagrams (in analogy with telegrams) and the subnet is called a datagram subnet.
Detailed explanation-2: -When connectionless service is offered, packets are frequently called Datagrams (just like telegrams) because individual packets are injected to the subnet and are routed individually.
Detailed explanation-3: -• Selection of a packet switching network which is based on a connectionless. internetwork layer is called a internet layer. • It is the layer which holds the whole architecture together. •
Detailed explanation-4: -UDP is a connectionless protocol. It is known as a datagram protocol because it is analogous to sending a letter where you don’t acknowledge receipt.