Deck one Flashcards

1
Q

What does network mean?

A

A connection of two or more devices so they can share data or recourses.

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2
Q

What Is a LAN?

A

Local area network (a network covering a small area).

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3
Q

What is a WLAN?

A

Wireless local area network (a LAN which is wireless).

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4
Q

What is a WAN?

A

A wide area network. A network covering a large area.

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5
Q

What is a client-server network?

A

A network with at least one server to provide services to client computers.

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6
Q

What is a peer to peer network?

A

A network with no central server, each computer can act as a server.

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7
Q

What is a network topology?

A

Describes how the devices on the network are connected.

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8
Q

What is the internet?

A

A worldwide system of interconnected networks that enable information to be shared.

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9
Q

What is communication media?

A

The means by which data is transmitted between devices on a network.

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10
Q

What is protocol?

A

A set of rules that govern how communications on a network should be formatted and what they should include.

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11
Q

What does eavesdrop?

A

Having unauthorised sight of data being sent from one computer to another over a network.

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12
Q

Bandwidth.

A

Amount of data per unit of time.

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13
Q

Checksum.

A

Error detection, formula applied to data and answer is transmitted with data and checked on the other end.

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14
Q

Packet.

A

A small quantity of data.

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15
Q

Web server.

A

Powerful computer storing web pages and media content.

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16
Q

Denial of service (DoS)

A

An attack on a network attempting to prevent legitimate users from accessing it.

17
Q

Access control.

A

Determines which users can access which data and what they are allowed to do it with.

18
Q

Hacking.

A

The act of gaining unauthorised access to a computer system and the data it contains.

19
Q

Physical security.

A

Controlling access to a critical part of it by physical means.

20
Q

USB.

A

Universal serial bus.

21
Q

Cyberattack.

A

Any kind of malicious attack on a network connected device.

22
Q

Social engineering.

A

Any kind of attack on a computer system or network that exploits how people behave and respond to certain situations.

23
Q

Phishing.

A

Attempting to gain confidential information by a message that appears to be from a trustworthy source.

24
Q

Shoulder surfing.

A

Looking over there shoulder.

25
Q

Unpatched software.

A

Software without the latest updates making it vulnerable.

26
Q

Code vulnerability.

A

A computer program that has created a security issue that may be taken advantage of to gain access to a computer system or data within it.

27
Q

Modular testing.

A

Testing each block of code as it is completed to ensure the code works as expected.

28
Q

Audit trail.

A

A record of activities that have taken place on a computer system, this record is randomly generated and says who did what.

29
Q

internet service provider (ISP).

A

An organisation that provides its customers with a connection to the internet.

30
Q

Router.

A

A piece of networking hardware used to forward packets of data from one network to another.

31
Q

Hyper Text Markup Language (HTML).

A

Details of how the text should be formatted, hyperlinks, details of any objects such as pictures or videos.