Computer Applications
What does a firewall do ?
- prevents unauthorised access to your computer via the Internet
- stops you installing software that may harm your computer
- records everything you do on your computer
- runs checks every time to prevent virus attacks
Computing Safety & Ethics
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Answer
prevents unauthorised access to your computer via the Internet
Reason — Firewall is a program that monitors all communications and traps all illicit packets. Thus, it prevents unauthorised access to your computer via the Internet.
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Related Questions
What purpose does anti-virus software serve ?
- it deletes every file it suspects is infected
- it stops people gaining unauthorised access to your computer via the internet
- it inspects computer files and email attachments for viruses and removes or quarantines any that it finds
- it changes the code of malicious software.
Which of the following is NOT an example of Cybercrime ?
- Stealing computer hardware
- Cyber Bullying
- Cyber Stalking
- Stealing someone's online identity
What makes a secure password ?
- A secure password should be one that you will easily remember
- A secure password should be one that you will easily remember and be a mixture of upper-case and lower-case letters, numbers and characters
- A secure password should be something familiar like a birthday or a pet's name
What is the purpose of anti-virus software?
- To prevent a virus from attacking the network
- To prevent hackers from accessing the network
- To block unauthorised connections to the network