Eduqas Computer Science Component 1 - 1.9 Security & Data Management

Select the typical functions of an antivirus software:

• Scan outgoing emails and attachments

• Scan harddrive

• Authenticate external users

• Block websites

• Scanning downloads

Select the typical functions of an firewall software:

• Maintaining a virus database

• Filtering data packets

• Authenticate external users

• Block websites

• Deleting viruses

Select the sensible rules for a password for school:

• Passwords should be either just letters,just numbers or just punctuation

• Passwords should be randomly generated

• Passwords shouldn't be more than 10 letters long

• Never re-use your password

• Use your name or date of birth as a password

What user access level should pupils have for their own files?

• read

• write

What user access level should pupils have for files on the studentshare?

• read

• write

A photograph is compressed using a lossy algorithm to be uploaded to a social media website. What effect will this have on the file?

• The file size will be smaller

• The photograph will be smaller

• The photograph will be lower quality

• The photograph will be higher quality

What are the benefits to a website of using compressed images?

• The images are higher quality

• It makes uploading quicker

• It makes viewing the page quicker

• It saves space on the server

• It's more secure

On a website where users download pictures so they can print them at home, which type of compression algorithm is more suitable and why?

• Lossy

• Lossless

• The image will not lose quality

• The image will download faster

• The image won't have any viruses