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2019 Review - III, IGCSE CS 0478 - dfm

Total questions: 42

Worksheet time: 21mins

Name
Class
Date
1.
What does Firewall Do?
a)
Prevents Hackers
b)
Install Viruses
c)
Give you SD cards
d)
Blocks all content
2.
Which of the following is a key function of a firewall?
a)
Monitoring
b)
Copying
c)
Moving
d)
Deleting
3.
What acts as a middleman that translates between internal and external addresses and that caches previously accessed web pages so that it can provide those more quickly in the future?
a)
NAT server
b)
stateful packet inspector
c)
proxy server
d)
NIDS
4.

Firewalls can be configured to block data from certain locations (i.e., computer network addresses), applications, or ports while allowing relevant and necessary data through

a)

True

b)

False

5.
What is 'Phishing'
a)
Using spoof emails to get information
b)
A strong Password
c)
A type of Virus
d)
A way to get free SD Cards
6.
What server creates a secure tunnel connection?
a)
VPN
b)
TUNNEL
c)
SD
d)
RADIUS
7.
What is a Blacklist?
a)
A list of blocked Websites, email addresses or IP addresses
b)
A Chalk board
c)
Another word for internet filtering
d)
A blackmarket where you can buy and sell SD cards for really good prices
8.
which of the following are consider physical security risks?
a)
Hardware theft
b)
password cracking
c)
phishing
d)
cooking
9.
what is the name of an application that appears to look like a helpful application but instead does harm to your computer?
a)
virus
b)
worm
c)
malware
d)
Trojan horse
10.
IT security recently found a program on your co-worker's computer that apparently tracked all of the words that they typed into the computer. what kind of malware is this?
a)
Keylogger 
b)
keyblogger
c)
trojan horse
d)
keystroke virus
11.
you receive an email from your bank,telling you that your account has been compromised and you need to validate your account details or else your account will be closed. you are supposed to click a link to validate your information. what is this an example of?
a)
a security breach at your bank that needs to be resolved
b)
spam
c)
ransomware
d)
Phishing
12.
Any software used to disrupt computer operation, gather sensitive information, or gain access to private computer systems is known as?
a)
Malware
b)
Operating System
c)
Device Driver
13.
A malware program that, when executed, replicates by inserting copies of itself (possibly modified) into other computer programs, data files, or firmware is known as?
a)
Malware
b)
Virus
c)
Spoofing
14.
What is software that aims to gather information about a person or organization without their knowledge and that may send such information to another entity without the consumer's consent, or that asserts control over a computer without the consumer's knowledge?
a)
Spyware
b)
Spoofing
c)
Trojan
15.

Shareware is software that

a)

May be used without payment, and have limited functionality, subject to copyright lawa

b)

Is software that comes with permission for anyone to use, and/or distribute

c)

Is provided free on a free trial basis, and has a built in expiration date

d)

Have the freedom to run, copy, change or adapt depending on set rules.

16.

Freeware is...

a)

software that users are allowed to try out for a free trial period

b)

software that the user has freedom to run, copy, change or adapt

c)

software that can be downloaded free of charge and are subject to copyright law

d)

Software that is paid for and the source code is available

17.

Free software is software that...

a)

The user has freedom to run, copy, change and adapt but rules need to be followed

b)

has no fees and is free to download, but restricted to copyright legislation

c)

Free for a trial period, and after free period a subscription fee is due.

d)

no source code can be seen, but you get it free

18.

An operating systems is software that... (2 answer)

a)

performs tasks for the user to complete

b)

manages a computer's hardware and provides a user interface

c)

runs games and apps

d)

allows the user to interact with the computer via a GUI rather than binary

19.

GUI, Menu-drive, CLI & Voice activated are all examples of...

a)

software

b)

user interface

c)

downloads

d)

perhiperals

20.

What is an Interrupt?

a)

when a conversation is broken

b)

signals sent to the CPU by external drives to indivate an event needing immediate action

c)

signals sent via the printer

d)

signals from the memory to remind you to save

21.

A buffer is...

a)

a special area of memory to store information temporaly until it can be processed

b)

an area to hold a computer program

c)

its apart of the CPU

d)

a device you plug into the computer

22.

Access rights to your computer are managed by...

a)

CPU

b)

Software application

c)

Operating system

d)

perhipherals

23.

What is the only thing that computers understand?

a)

Machine Code

b)

Low Level Languages

c)

High Level Languages

d)

Algorithms

24.
Before a computer can understand a program it must be...
a)
Translated into its machine code.
b)
Translated into a high level language.
c)
Translated into a low level language.
d)
Converted into binary.
25.
The two categories of low level language are...
a)
Machine Code & Assembly
b)
Machine Code & Algorithms 
c)
Assembly & Algorithms
d)
Algorithms & Binary
26.
What is the name for the software used to convert an assembly language program into machine code?
a)
Assembler
b)
Interpreter
c)
Compiler
d)
Translator
27.
Software that translates and executes a high level language program one line at a time is known as a?
a)
Compiler
b)
Interpreter
c)
Assembler
d)
Executor
28.

A computer program that translates a program written in a high-level language (HLL) into machine code so that it can be directly used by a computer to perform a required task.

a)

Interpreters

b)

Compiler

c)

Assemblers

29.
Machine code uses the binary number system.
a)
True
b)
False
30.

How would you protect against accidental damage?

a)

Archive data

b)

Keep it safe in a locked box

c)

Back up data

d)

Keep in a safe place

31.

why do you need to back up?

a)

To prevent flood/fire damage

b)

To prevent theft

c)

To prevent Corruption

d)

To prevent against accidental damage

32.

Give 2 examples of biometric security

a)

Body scanner

b)

Retina scanner

c)

Face scanner

d)

Foot print scanner

33.
What's pharming?
a)
scam through bogus websites
b)
scams through emails
c)
scams through phone calls
d)
scams through text messages
34.
What does 's' in https stand for?
a)
safety
b)
suspicious
c)
secure
d)
standard
35.
Internet Service Provider is ___________
a)
A regional or national organization/ business that provides internet access/ services
b)
A regional or national organization/ business that provides networking in a metropolitan or urban area
36.

This attack makes a website or network unavailable to legitimate users

a)

Trojan horse

b)

Denial of Server attack

c)

Worm

d)

Virus

37.
What is the computer software used to prevent, detect and remove malicious software.
a)
Firewall
b)
Antivirus software
c)
Phishing scam
d)
SMTP
38.

Taking plaintext and turning it into CipherText is known as

a)

Decryption

b)

Encryption

c)

Algorithm

d)

encoding

39.

Symmetric encryption is when

a)

encryption takes place with 2 keys, public and private

b)

using a single key to encrypt and decrypt

c)

simple change of letters

d)

protecting against viruses

40.

Asymmetric encryption is when

a)

Two people have to share the same key

b)

You have a private and public key, one to encrypt and one to decrypt

c)

You send the key over a network with the message

d)

you have 1 key, one to encrypt and decrypt

41.

What does SSL stand for?

a)

Strong Socket Layer

b)

Secure Security Layer

c)

Secure Socket Layer

d)

Secure Socket Loop

42.

TLS and SSL are both protocols for...

a)

transmitting private documents via the internet

b)

uses asymmetric encryption

c)

allowing keys to be exchanged safely

d)

Prevent viruses on the network

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