2 IP adressing

Question 1

characteristics of an IPv4 address

Answer 1

• Four groups of (denary or Hexadecimal integers)
• Numbers range from 0-255 or 0-FF
• Separated by full stops
• Each group is stored in 1 byte / 8 bits // the whole is stored in 32 bits / 4 bytes

Question 2

characteristics of an IPv6 address

Answer 2

• Eight groups of (Hexadecimal) digits
• Separated with colons
• Numbers between 0 and FFFF
• Each group is stored in 2 bytes/16 bits
• One group of multiple groups of zero can be stored as double colons.
• Addresses can be simplified if the numbers before are 0’s e.g. 0001 = 1

Question 3

subnetting

Answer 3

The process of dividing a network into multiple logical subnetworks.

Question 4

subnet mask

Answer 4

way of showing how much of the network is the host and how much is the network. they are used to identify the size of the network.

written in N.H.H.H

Question 5

host

Answer 5

the machine itself

Question 6

broadcast ID

Answer 6

to maintain the network. the last ID

Question 7

network ID

Answer 7

to recognize the network. the first ID

Question 8

public IP addresses

Answer 8

allocated by the ISP and are unique throughout the internet. used to get internet service.

the router of a LAN will have one.

Question 9

private IP addresses

Answer 9

assigned by the router and cannot be accessed by anyone on the internet. NAT is necessary to access the Internet directly. can be duplicated across homes.

Question 10

static

Answer 10

IP address does not change and is used for hosting web pages or services online

Question 11

dynamic

Answer 11

chosen from a group of available addresses and changes each time.