Topic 4 - Networks

Question 1

What is Access control

Answer 1

The amount of access a given user is allowed on a computer and/or network

Question 2

What is Bandwidth

Answer 2

Maximum amount of data that can travel along a communications channel in a given time

Question 3

What is Bus network

Answer 3

A local area network in which each device is connected to a central cable

Question 4

What is Ethernet

Answer 4

A family of protocols for networking local area networks

Question 5

What is Ethical hacking

Answer 5

Security experts employed to attempt to find vulnerabilities in systems

Question 6

What is a Firewall’s use

Answer 6

Used in a network to prevent external users gaining unauthorised access to a computer system / network

Question 7

What is an FTP

Answer 7

Used for sending files between computers, usually on a wide area network

Question 8

What is HTTP

Answer 8

A client-server method of requesting and delivering HTML web pages

Question 9

What is HTTPS

Answer 9

Encryption and authentication for requesting and delivering HTML web pages

Question 10

What is IMAP (Internet Message Access Protocol)

Answer 10

Retrieve a copy of an email from a mail server

Question 11

What is IP address

Answer 11

A unique string of numbers separated by full stops that identify each computer using the Internet Protocol

Question 12

What is LAN

Answer 12

Covers a small geographic area

Question 13

What is Latency

Answer 13

The time it takes a packet to reach its destination

Question 14

What is a Mesh network

Answer 14

Nodes connected so there is more than one route to the destination

Question 15

What is a Network

Answer 15

A collection of computers and devices that can communicate with each other

Question 16

What is Network security

Answer 16

A group of software policies and procedures that help to maintain the security of data held on a computer network

Question 17

What is Network speed

Answer 17

The number of bits per second that can be transmitted

Question 18

What is Network topology

Answer 18

The arrangement of devices on a network

Question 19

What is Network vulnerabilities

Answer 19

Points of weakness in a network that could be exploited by a hacker

Question 20

What is Penetration testing

Answer 20

Testing designed to check the security and vulnerabilities of a system

Question 21

What is Physical security

Answer 21

Any form of real-world physical security to help protect data and systems

Question 22

What is POP3 (Post Office Protocol)

Answer 22

Used by email clients to retrieve email from an email server

Question 23

What is a Protocol

Answer 23

A set of rules for how devices communicate

Question 24

What is Range

Answer 24

The distance a signal can travel before it starts to degrade and becomes corrupted

Question 25

What is a Router

Answer 25

A device for connecting devices on a wide area network

Question 26

What is SMTP (Simple Mail Transfer Protocol)

Answer 26

Sends email to a mail server

Question 27

What is the Star network topology

Answer 27

A network where each node is connected to a central router or switch

Question 28

What is TCP/IP (Transmission Control Protocol / Internet Protocol)

Answer 28

IP routes packets across a wide area network

Question 29

What is TCP/IP: Application layer

Answer 29

This is where the network applications, such as web browsers or email programs operate

Question 30

What is TCP/IP: Internet layer

Answer 30

Addresses and packages data for transmission and routes the packets across the network

Question 31

What is TCP/IP: Link layer

Answer 31

Describes how data should be physically generated and transmitted over the medium

Question 32

What is TCP/IP: Transport layer

Answer 32

Sets up the communication between the two hosts

Question 33

What is The Internet

Answer 33

A worldwide collection of interconnected computer networks.

Question 34

What is a WAN (Wide Area Network)

Answer 34

A collection of computers on the same network which are spread out over a large geographic area

Question 35

What is Wi-Fi

Answer 35

A suite of protocols allowing devices to connect to a wireless network

Question 36

What is a Wired network

Answer 36

Any computer network that predominantly connects its hardware via the use of physical cables

Question 37

What is a Wireless network

Answer 37

Any computer network that predominantly connects its hardware via Wi-Fi, eliminating much of the need for physical cabling