Layer 3 Network

Question 1

What is layer 3 responsible for ?

Answer 1

Packet addressing

Converting addresses : logical to physical

Source to destination delivery

Routing

Question 2

True or false

Ip is found in the layer 3 (network)

Answer 2

True

Question 3

What layer does routing happen on ?

Answer 3

Layer 3 network

Question 4

What are several functions of network ?

Answer 4

Subnet control
Throttling, which sends out a message saying it’s too busy and things are filling up in my buffers I’m accepting to much data so the other sides need to slow down

Subnet usage accounting
Can keep track of frames

Address mapping
Translate logical addresses into physical addresses

Internet working
Provides logical connection between different networks
Combine various networks to form a larger network

Question 5

What is Subnet control

Answer 5

Throttling, which sends out a message saying it’s too busy and things are filling up in my buffers I’m accepting to much data so the other sides need to slow down

Question 6

What is Subnet usage accounting

Answer 6

Can keep track of frames

Question 7

What is Address mapping

Answer 7

It translates logical addresses into physical addresses

Question 8

What is logical addressing ?

Answer 8

It combines Large number of networks

It defines dressing scheme to uniquely identify each device on the Internet work

Question 9

What is packetizing ?

Answer 9

Creates packets up receiving data from upper layers

Packets are created by way of encapsulation

Internet protocol IP defines packet format

Question 10

What is fragmentation ?

Answer 10

Dividing larger packets into smaller fragments

Fragments can then be easily sent out on physical medium

Question 11

Summarize the network layer

Answer 11

Layer 3 and it is logical addressing, routing