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Revision Palm Cards > T3 DTE Revision > Flashcards

T3 DTE Revision Flashcards

1
Q

define computer network

A

When two or more computers are connected together to allow them to communicate

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2
Q

Network cable

A

Used to connect different devices together. They are often made up of a number of wires.

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3
Q

Hub

A

Connects a number of computers together. Ports allow cables to be plugged in from each connected computer.

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4
Q

Server

A

A powerful computer which provides services to a network

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5
Q

Protocol

A

A set of rules

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6
Q

Wired networks

A

Send data using cables

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7
Q

Wireless networks

A

Sends data through the air using radio waves

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8
Q

Bandwidth

A

Bandwidth is the amount of data that can be moved from one point to another in a certain amount of time
Higher bandwidth = more data per second

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9
Q

what is the Internet

A

The internet is a worldwide network of computers

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10
Q

What does IP stand for

A

Internet protocol

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11
Q

What does TCPIP stand for?

A

Transfer Communication Protocol (Internet Protocol)
Remember: Too Cool PIP

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12
Q

How do we measure bandwidth?

A

Bits, kilobits, megabits, gigabits

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13
Q

What are ‘packets’

A

A small segment of a larger message

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14
Q

What is a payload

A

The part of a package where parts of the message/data are stored

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15
Q

Router

A

A device that forwards messages from one network to another network over a large area

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16
Q

Digital footprint

A

Our digital footprint is all the information about us that can be found on the internet

17
Q

What is metadata

A

Metadata is “data about the data” or, additional information that apps and devices share with each other, often without the user’s knowledge

18
Q

What is keylogging

A

The use of a program to record every keystroke made by a computer user in order to gain fraudulent access to passwords and other confidential information

19
Q

What is phishing?

A

a technique that attempts to trick a user into providing personal information. That personal information can then be used to access sensitive online resources, such as bank accounts and emails

20
Q

What is malware?

A

software intended to damage a computing system or to take partial control over its operation

21
Q

What is “sniffing”

A

“Sniffing” is the process of capturing and monitoring all data packets passing through a given network

22
Q

What is cryptography

A

The process of hiding and coding information so only one person can access it. It’s been used for bank details, passwords and code messages- it is a way to secure information

23
Q

List examples of the hardware necessary for connecting devices to networks

A

An example of hardware needed to connect devices to networks are cables and hubs (which connect the cables to the devices)

24
Q

What is a benefit of a wired network, and a benefit of a wireless network?

A

Wired networks: speed, better security, reliability

Wireless networks: more than one device can be connected, mobility, no trip hazards, cheaper to add devices

25
Q

What is encoding

A

Encoding is the process of taking information and encrypting it so it becomes something else

26
Q

Decryption

A

The process that reverses encryption, taking a secret message and reproducing the original plain text

27
Q

Cipher

A

A generic term for a technique (or algorithm) that performs encryption

28
Q

Caesar’s cipher

A

A technique of encryption that shifts letters of the alphabet by a set number of letters

29
Q

State the structure of an IP address

A

4 numbers ranging from 0 - 255, separated by dots

30
Q

What is the purpose of the Transfer Communication Protocol?

Can also be called Transmission Control Protocol or Transport Control…

A

To split a message into smaller pieces called packets

31
Q

A statement that explains in simple language how an organisation or agency handles your personal information is called a:

Privacy Principle

User Contract

Privacy Policy

User Agreement

A

Correct answer:
Privacy Policy

32
Q

What does LAN stand for?

A

Local Area Network

33
Q

What does WAN stand for?

A

Wide Area Network
(so this refers so networks that are not included locally for you)

34
Q

When using my school device, is accessing the Mecca website using a LAN or WAN?

A

WAN - because the file server for Mecca is not included in my school device

35
Q

What was the first internet called?

A

ARPANET
(in all caps)

Revision Palm Cards (4 decks)

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