Topic 8: Security Risks and Precautions

Question 1

Networks can be structured as

Answer 1

peer-to-peer or Client-server

Question 2

A peer to peer network is used for

Answer 2

a small number of computers

Question 3

Advantages of a peer to peer network is that they are

Answer 3

relatively inexpensive to set up and less cable is need.

Question 4

Disadvantages of peer to peer networks is

Answer 4

that each computer needs to be backed up individually, the network is less secure, software updates must be done individually and no shared access to printers

Question 5

Client server network is used for

Answer 5

a larger network of computers. One central computer called a server manages the other client computers on the network

Question 6

Advantages of a client server network are;

Answer 6

all computers are backed up centrally, network more secure, software updates can be done remotely and shared access to printers

Question 7

Disadvantages of a client server network are;

Answer 7

Relatively expensive to setup, more cable needed and network fails if server goes down

Question 8

Cloud storage is a form of

Answer 8

data storage offered by firms like Google.

Question 9

Advantages of cloud storage are

Answer 9

accessible from any device via internet and security and backup provided as part of the service

Question 10

Disadvantages of cloud storage are;

Answer 10

without internet connection no data can be accessed, can be more expensive than conventional storage per Gb

Question 11

A virus is a

Answer 11

program which copies itself, then it attaches itself to various programs inside the computer. This damages the programs.

Question 12

Worm is similar to a virus because it

Answer 12

makes copies of itself but these copies accumulate in the memory of your computer until there is no free memory left and the computer freezes.

Question 13

A Trojan horse usually shortened to Trojan is

Answer 13

a program which damages your computer system but it doesn’t make copies of itself.

Question 14

Examples of Trojan activity include

Answer 14

unwanted adverts on browser windows, installing unwanted toolbars and changing the browser homepage or default search engine.

Question 15

Hacking is

Answer 15

unauthorized access to any computer system/network.

Question 16

Hacking may involve either

Answer 16

theft of data or modification of data.

Question 17

Hacking is punishable by up to

Answer 17

7 years imprisonment under the Computer Misuse Act

Question 18

Ant virus software is a collection of

Answer 18

programs which are used to prevent damage to computer systems/networks by malware

Question 19

Some examples of anti virus software are

Answer 19

firewall, email scanner, drive scanner, anti-malware, anti-spyware and parental controls

Question 20

A firewall is a program which has

Answer 20

a set of rules it uses to stop unauthorized access to your computer system/network

Question 21

Spyware is any software that

Answer 21

covertly gathers user information through the user’s internet connection without his or her knowledge usually for advertising purposes.

Question 22

Phishing is the act of

Answer 22

sending an email to a user falsely claiming to be a legitimate business in an attempt to scam the user into surrendering private information that will be used for identity theft.

Question 23

A phishing email usually directs the user to a

Answer 23

web site where they are asked to update personal information such as passwords and credit card details.