Free Printable End of rotation - Cryptography and Networks

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Worksheets

End of rotation - Cryptography and Networks

Total questions: 41

Worksheet time: 37mins

Name

Class

Date

1.

Who was the first know user of the Caesar Cipher?

a)

Caesar Romanus

b)

Julius Caesar

c)

Alan Turing

d)

There isn't one

2.

What machine was used during WWII to encrypt and decrypt German messages?

a)

Enigma

b)

Atbash

c)

Secret

d)

Puzzler

3.

What was the name of the man who led the team that cracked the German's "Enigma Code" in WW2?

a)

Tim Berners-Lee

b)

Alan Turing

c)

Stephen Hawking

d)

Bill Gates

4.

Which one of the following statements is FALSE?

a)

Cracking the Enigma Code shortened WW2 by at least two years and saved millions of lives

b)

Alan Turing was the first person to come up with the idea of a programmable machine

c)

Alan Turing was one of the pioneers of modern computing

d)

Polish mathematicians were the first ones to crack the Enigma Code

5.

In Cryptography, original message, before being transformed, is called

a)

Simple Text

b)

Plain Text

c)

Cipher Text

d)

Filled Text

6.

A(n) ______ algorithm transforms cipher text to plain text.

a)

Encryption

b)

Decryption

7.

The _______ is a number or a set of numbers on which the cipher operates.

a)

secret

b)

cipher

c)

key

d)

none of the mentioned

8.

What is encryption?

a)

When you put data / text into code making it difficult to read or understand.

b)

A secret or disguised way of writing; a code.

c)

A formal language designed to communicate instructions to a machine

d)

What is put in, taken in, or operated on by any process or system.

9.

A cipher is _________________________.

a)

a person who makes up secret codes

b)

an algorithm that is used to scramble text so that it can be passed in secret

c)

a lock that can be used to lock a message in a lock box

d)

any puzzle, such as a crossword or Sudoku puzzle

10.

The process of converting a ciphertext into plaintext.

a)

encryption

b)

decryption

c)

plaintext

d)

cryptography

11.

What is a server?

a)

Powerful Computers that provide services to other computers

b)

Computers that ask for the services a server provides

c)

Physical connection between devices

d)

A circuitboard with the components to send/receive data

12.

What is a client?

a)

Powerful Computers that provide services to other computers

b)

Computers that ask for the services a server provides

c)

Physical connection between devices

d)

A circuitboard with the components to send/receive data

13.

What is a communication media?

a)

Powerful Computers that provide services to other computers

b)

Computers that ask for the services a server provides

c)

Physical connection between devices

d)

A circuitboard with the components to send/receive data

14.

What is a network adapter?

a)

Powerful Computers that provide services to other computers

b)

Computers that ask for the services a server provides

c)

Physical connection between devices

d)

A circuitboard with the components to send/receive data

15.

What is a protocol?

a)

Any peripheral device

b)

A person that uses a client

c)

Rules for networks and communications

d)

A circuitboard with the components to send/receive data

16.

What is TCP used for?

a)

To send information across the internet in packets

b)

To ensure that information is sent to the correct computer

c)

To send mail across the internet

d)

To transmit webpages across the internet

17.

What is IP used for?

a)

To send information across the internet in packets

b)

To ensure that information is sent to the correct computer

c)

To send mail across the internet

d)

To transmit webpages across the internet

18.

What are HTTP[S] used for?

a)

To send information across the internet in packets

b)

To ensure that information is sent to the correct computer

c)

To send mail across the internet

d)

To transmit webpages across the internet

19.

What is FTP used for?

a)

To send information across the internet in packets

b)

To ensure that information is sent to the correct computer

c)

To send mail across the internet

d)

To copy files from one computer to another

20.

Which topology is this?

a)

Bus

b)

Star

c)

Ring

d)

Wave

21.

Which topology is this?

a)

Bus

b)

Star

c)

Ring

d)

Wave

22.

Which topology is this?

a)

Bus

b)

Star

c)

Ring

d)

Wave

23.

What is a network?

a)

Two or more computers connected to each other

b)

Computers in a circle

c)

Clients receiving data from servers

d)

Spiders doing a job

24.

Internet is a global network connecting millions of computers.

a)

True

b)

False

25.

Intranet is an internal network within the organisation.

a)

True

b)

False

26.

Intranet allows users to access information from other agencies and organisations.

a)

True

b)

False

27.

Intranet allows users to access information from other agencies and organisations.

a)

True

b)

False

28.

Private network that uses internet technology that can be accessed only by employees within organizations and suppliers, vendors, partners and customers outside the organization.

a)

Intranet

b)

Extranet

c)

Internet

d)

Network

29.

A/An _______________ can either be a telecommunication company or any other organisation specialising in providing access to Internet services.

a)

Network Provider

b)

Internet Service Provider

c)

Service Provider

d)

Internet Connector

30.

All statements below shows the responsibilities of ISP EXCEPT

a)

Providing and maintaining a connection to the Internet

b)

Support the hardware and software needed for the connection service.

c)

To protect their site and network from external threats

d)

To provide 12-hours customer service and technical support.

31.

Each electronic document on the web, which can contain text, graphics, animation, audio and video.

a)

Web page

b)

Web site

c)

Web server

d)

Web 2.0

32.

People access and view web pages on the computer or mobile devices through _____________________ .

a)

internet software

b)

presentation software

c)

graphic software

d)

web browser

33.

A web address consist of all below EXCEPT ______

a)

A protocol

b)

domain name

c)

link

d)

web page name / file name

34.

A web address is a unique address for a web page. Identify B.

a)

A protocol

b)

Domain name

c)

Path

d)

Web page name/File name

35.

A secure protocol that transfer Web pages on the Internet over SSL (Secure Socket Layer).

a)

http://

b)

https://

c)

www

d)

html

36.

__________________ is a sequence of numbers that uniquely identifies the location of each computer or device connected to the Internet.

a)

web address

b)

computer address

c)

IP address

d)

network address

37.

What is World Wide Web (www)?

a)

Software that find website and webpages.

b)

Collection of computers and devices connected together via communication devices and transmission media.

c)

A portal that offers a variety of Internet services.

d)

Consists of a worldwide collection of electronic documents.

38.

What is Domain Name?

a)

A text version of web page name.

b)

The text version of an IP address of a server.

c)

A search tools used to locate the information.

d)

A worldwide collection of network.

39.

Google, Yahoo!, Bing and MSN are the examples of

a)

Search Tools

b)

Search Topic

c)

Search Engine

d)

Search Address

40.

Examples of ________________________ are Google Talk, Whataspp, Yahoo! Messanger and WeChat.

a)

www

b)

E-mail

c)

Instant Messaging

d)

FTP

41.

A/An __________________ is a collaborative Web site that allows users to create, add to, modify or delete the Web site content via their Web browser.

a)

portal

b)

blog

c)

wiki

d)

online social networks

Reset

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