Week 4: Session 7: Representation of network addresses

Question 1

binary number system

Answer 1

A number system based on two symbols: 0 and 1.

Question 2

CIDR notation

Answer 2

A notation used to indicate the size of the network portion in an IP address.

Question 3

classful addressing

Answer 3

An early IP addressing scheme in which the available network addresses were divided into five classes - A, B, C, D and E - based on octet boundaries.

Question 4

classless addressing

Answer 4

The generic term used to describe the later IP addressing scheme in which the number of bits in the network portion became variable rather than fixed.

Question 5

Classless Inter-Domain Routing (CIDR)

Answer 5

The name by which the classless addressing scheme is known.

Question 6

decimal number system

Answer 6

A number system based on ten symbols: 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9.

Question 7

exponential notation

Answer 7

A mathematical shorthand for representing large numbers, also known as ‘scientific notation’.

Question 8

hexadecimal

Answer 8

A number system based on sixteen symbols: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E and F.

Question 9

octet

Answer 9

A group of eight bits.