Networks

Question 1

True or False: A network is a collection of computers and devices connected together.

Answer 1

True

Question 2

What is the primary purpose of a network?

Answer 2

To share resources and information among connected devices.

Question 3

Fill in the blank: A ________ network connects computers within a small geographical area.

Answer 3

Local Area Network (LAN)

Question 4

What is a Wide Area Network (WAN)?

Answer 4

A network that covers a large geographical, often connecting multiple LANs.

Question 5

Which device is used to connect multiple devices in a LAN?

Answer 5

Switch

Question 6

True or False: Routers are used to connect different networks.

Answer 6

True

Question 7

What does the term ‘bandwidth’ refer to?

Answer 7

The maximum rate of data transfer across a network.

Question 8

What is an IP address?

Answer 8

A unique identifier assigned to each device on a network.

Question 9

True or False: The Internet is a global network of interconnected networks.

Answer 9

True

Question 10

What protocol is commonly used for secure communication over the Internet?

Answer 10

HTTPS (HyperText Transfer Protocol Secure)

Question 11

What does the acronym ‘VPN’ stand for?

Answer 11

Virtual Private Network

Question 12

Fill in the blank: A ________ is a device that forwards data packets between computer networks.

Answer 12

Router

Question 13

What does ‘LAN’ stand for?

Answer 13

Local Area Network

Question 14

What is the main function of a firewall?

Answer 14

To protect a network by controlling incoming and outgoing traffic.

Question 15

True or False: Peer-to-peer networks have a central server.

Answer 15

False

Question 16

What is a network topology?

Answer 16

The arrangement of different elements (links, nodes) in a computer network.

Question 17

What type of network topology connects all devices to a central hub?

Answer 17

Star topology

Question 18

Fill in the blank: In a ________ topology, each device is connected to two other devices, forming a circular structure.

Answer 18

Ring

Question 19

What does DNS stand for?

Answer 19

Domain Name System

Question 20

What is the purpose of DNS?

Answer 20

To translate domain/URL names into IP addresses.

Question 21

What is the difference between a public and a private IP address?

Answer 21

Public IP addresses are accessible over the internet, while private IP addresses are used within a local network.

Question 22

True or False: All devices on a network must have a unique MAC address.

Answer 22

True

Question 23

What is a network protocol?

Answer 23

A set of rules that determine how data is transmitted over a network.

Question 24

What does the acronym ‘HTTP’ stand for?

Answer 24

HyperText Transfer Protocol

Question 25

Fill in the blank: A ________ is used to store data and files that can be accessed by users on a network.

Answer 25

Server

Question 26

What is the main advantage of wireless networks?

Answer 26

Mobility and convenience of connecting devices without physical cables.

Question 27

What does the term 'network latency' refer to?

Answer 27

The delay before a transfer of data begins following an instruction.

Question 28

How does Packet Switching work

Answer 28

Data is split into packets, Labelled with an IP of the sender and receiver, Travels down different routes, reassembled at the receivers end.

Question 29

What is the difference between IPV4 and IPV6

Answer 29

IPV 4 is older and allows for less IP addresses. IPV6 is newer and allows for more IP addresses.

Question 30

Which Protocol allows for emails to be sent to an email server?

Answer 30

SMTP

Question 31

Which Protocol allows emails to be read from an e-mail server.

Answer 31

IMAP

Question 32

Which protocol is used in packet switching

Answer 32

TCP/IP

Question 33

How does packet switching work?

Answer 33

Data is spilt into packets IP address of sender and recipient is added Packets travel down different routes Packets are reassembled when recieved. Check sum requests any missing data packets.

Question 34

Which protocol is used for file transfers?

Answer 34

FTP

Question 35

What is a protocol?

Answer 35

A set of rules governing data transmission across a network.

Question 36

What is the purpose of a Switch?

Answer 36

To connect devices together on a LAN. The switch knows which computer to send data packets to.

Question 37

What is a NIC?

Answer 37

A Network interface Card - allows computers to connect together. Holds the MAC address of the computer.