revision

Question 1

what is a hardware

Answer 1

Router and Network Interface Card, along with the services below: ISP: Internet Service Provider

Question 2

what is a bridge

Answer 2

joins together two networks that use the same base protocols.

Question 3

what is a gateway

Answer 3

joins together two networks that use different base protocols, e.g. links a LAN to WAN.

Question 4

what is a protocol

Answer 4

this tells web servers which protocol to use when accessing a page on the website.

Question 5

what is a sub-domain

Answer 5

this is the name of your website, it lets users know that they are visiting a website of a particular organisation.

Question 6

top-level domain

Answer 6

the TLD indicates the type of entity the organisation is registered with on the website (.com/.co.uk etc).

Question 7

path

Answer 7

a subdirectory to a specific webpage, helps identify which part of a website is being used (e.g. bbc.co.uk/news refers to a BBC news page).

Question 8

what is a switch

Answer 8

analyses each packet of data and sends it to the computer it was intended for.

Question 9

what is a router

Answer 9

stores the addresses of computers on the network and transfers data between devices. Normally it connects at least two different networks.

Question 10

what is a hub

Answer 10

copies all data packs to all devices on the network, but only the device that requires the data will recognise and accept it.