Internet Principles of operation

Question 1

Internet service provider

Answer 1

Companies which provide user with access to internet

Question 2

(IP)

Answer 2

Internet Protocol

Question 3

Internet protocol Address

Answer 3

• Each device on the internet is given a unique address
• 32 bit form in 000.000.000.0
• Identifies location whereas MAC identifies device type
• Can change, MAC cannot
• Can be static (Choose not to change)
• Can be dynamic (changes everytime)
• Used in place of URL
• Allocated by ISP

Question 4

(ISP)

Answer 4

Internet Service Provider

Question 5

(MAC)

Answer 5

Media Access Control

Question 6

MAC

Answer 6

• The number which uniquely identifies a device connected to the internet
• Referes to NIC (Network Interface Card) which is part of the device
• USually made up of 48 bits in 6 groups (NN:NN:NN:DD:DD:DD)

Question 7

NN:NN:NN

Answer 7

Identifies manufacturer number

Question 8

DD:DD:DD

Answer 8

Identifies Serial number of the device

Question 9

Types of MAC Addresses

Answer 9

• Universally Administrated MAC Addresses (UAA) Most common
• Locally Administrated MAC Addresses (LAA)

Question 10

Reasons MAC uses LAA

Answer 10

• Ensure they follow the correct formula
• to bypass the MAC address filter on the router or to a firewall
• To get past certain network restrictions