Networks and Web Technologies

Question 1

Circuit Switching

Answer 1

Reserving a particular network route to transfer data between two devices

Question 2

Client-Server Network

Answer 2

Network where a centralised server controls network traffic between client computers

Question 3

CSS

Answer 3

Programming language that determines how components of a web page are displayed

Question 4

Domain Name

Answer 4

Human-readable website address

Question 5

Domain Name Server

Answer 5

Server that stores a list of IP addresses and their associated domain names

Question 6

Firewall

Answer 6

Security measure that controls incoming and outgoing network traffic using a set of rules

Question 7

HTML

Answer 7

Programming language that defines the content of a web page

Question 8

Hub

Answer 8

Network device that connects multiple devices together, sending the data that it receives to all connected devices

Question 9

IP Address

Answer 9

Unique number assigned to every computer or device connected to the Internet

Question 10

LAN

Answer 10

Type of network that operates over a limited area such as a house or an office

Question 11

Modem

Answer 11

Network device that converts data between digital and analogue signals

Question 12

Packet

Answer 12

Formatted unit of data sent across networks

Question 13

Packet Switching

Answer 13

Splitting data into packets that can be sent individually across different routes across a network

Question 14

PageRank Algorithm

Answer 14

Algorithm that ranks web pages according to the number of other web pages that contain links to it, used by search engines

Question 15

Peer-to-Peer Network

Answer 15

Network type in which computers are directly connected to each other, with no central servers

Question 16

Protocol

Answer 16

Standard that defines how network devices should communicate

Question 17

Proxy Server

Answer 17

Server that acts as an intermediary between a local computer and a larger network

Question 18

Router

Answer 18

Network device that directs data from one network to another

Question 19

Switch

Answer 19

Network device that connects multiple devices together, sending the data that it receives to the intended recipient device only

Question 20

TCP/IP Stack

Answer 20

Protocol model that divides communication into four layers: Link, Internet, Transport and Application

Question 21

The Internet

Answer 21

The global network of computers and other networks

Question 22

WAN

Answer 22

Type of network that operates over a large geographical area, such as a continent

Question 23

Wireless Access Point

Answer 23

Network device that connects devices wirelessly

Question 24

Wireless Network Adapter

Answer 24

Hardware component that allows a computer to make a wireless connection to a network