Homework Booklet p1

Question 0

Why must you never give anyone your password

Answer 0

This will risk the authenticity of your login. The network cannot be sure that it is you logged on. It puts the network at risk if someone logs on with your password. The security of the network is at risk and you work is at risk

Question 1

Why do we have username

Answer 1

It’s a unique identity which allows the network to identify you and give access to relevant information

Question 2

A definition for what the internet is

Answer 2

The internet is a network of computers across the world. A global network of computers sharing resources.

Question 3

What does URL mean.

Answer 3

Uniform/ universal resource locator, the address of a World Wide Web page

Question 4

What does WWW mean

Answer 4

World Wide Web

Question 5

Identify the ISP ( Internet service provider ) for your home internet connection

Answer 5

BT
Virgin
TalkTalk

They provide internet access to your home address and additionally telephone and TV

Question 6

Identify a web browser

Answer 6

Safari
Firefox Mozilla
Google chrome
Internet explorer

Question 7

Identify a search engine used on the internet

Answer 7

Google
Yahoo
Bing

Question 8

What is encryption

Answer 8

Hiding an information as a secret. The information is encoded into a secret code and can only be decoded by a key. The key is required to translate the information back into its original format.

Question 9

What is a virus

Answer 9

A computer program than replicates itself and spreads on computers causing damage- deleting and modifying files/settings

Question 10

What does https represent

Answer 10

The s represents a secure website is safe and authentic. You can trust the website with your password

Question 11

How might you get a virus on your computer

Answer 11

Opening attachments
Unsafe websites
Transferring files on portable devices
Downloading files from the internet

Question 12

Give two examples of how you can prevent getting a virus

Answer 12

Install anti virus software

Check all portable devices by scanning before using

Question 13

What is a Trojan horse

Answer 13

A file that looks like a music/ joke/ game but is really a virus. This is a virus which looks like something you would like to download/ open. But inside the program there is a dangerous virus.

Question 14

What is spyware

Answer 14

Spyware is software that records personal information and sends it back to someone else who is trying to steal information from your computer. This is spying

Question 15

How can an anti-virus software help

Answer 15

Anti virus can quarantine and remove viruses from your computer

Question 16

How does a firewall help

Answer 16

It protects your computer fro internet traffic/ access from unknown sources. It is important to protect your machine whilst online the internet with firewall so it restricts access coming inside your computer from sources on the internet. Only approved programs should be able to access the internet.

Question 17

What does SMS stand for

Answer 17

Short Message Service- allows text messages on a phone

Question 18

What is a VOIP?

Answer 18

Voice over internet protocol

Question 19

What are the benefits of instant messaging

Answer 19

Messages are delivered instantly and you can see if the person is online and reading your messages

Question 20

What are the dangers of social networking sites- online games, Internet forums, chat rooms

Answer 20

Distracting
Addictive
Stranger Danger

Question 21

What is phishing

Answer 21

People send emails pretending to be someone else or or representing a company that tries to trick you into clicking onto a dangerous web link which can record your personnel details- bank details in order to steal your identity/ money.

Question 22

What is a digital signature

Answer 22

A digital signature demonstrates the authenticity of a digital message or document. A valid digital signature gives a reason to believe that the message was created by a known sender

Question 23

What is the danger of opening an unrecognised e-mail message

Answer 23

Viruses

Dangerous links to unsafe websites

Question 24

Give an example of a fraudulent email- what might it be asking you

Answer 24

Personal details- name and address

Banking details

Question 25

What are the advantages of email system

Answer 25

Emails are delivered extremely fast when compared to traditional post,
Emails can be sent 24 hours a day, 365 days a year,
Webmail means emails can be sent and received from any computer, anywhere in the world, that has internet connection.

Question 26

What restrictions might a network place on sending emails

Answer 26

Key words might be restricted
Large attachment files
Emails to external email addresses

Question 27

What is the difference between: To, Cc and Bcc

Answer 27

To- the person you are sending the email to
Cc- carbon copy ( used as an indication that a duplicate has been or should be sent to another person).
Bcc- blind carbon copy, a copy of an email sent to someone whose name and address is not visible to other recipients

Question 28

If i resize a bitmap graphic what will happen

Answer 28

It will lose its quality and become jaggy and less sharp

Question 29

If I resize a vector graphic what will happen

Answer 29

It will not loose any of its quality

Question 30

What has the smallest file size, bitmap or a vector graphics

Answer 30

Depends on number of pixels or the number of algorithms needed

Question 31

What are the advantages of vector graphics

Answer 31

They can be scaled

Question 32

What are the disadvantages of bitmap graphics

Answer 32

They cannot be scaled upwards and require high resolution

Question 33

You can put what around tables pictures or blocks of text

Answer 33

A border