Year 11 - Firewall & Anti-virus

What protects IT systems from unauthorised access by blocking 'bad' network traffic?

(a)  

Firewalls are the first line of defence in protecting digital systems and can be hardware or software based.

• True

• False

What is the name for an IT network confined to a single geographical location ?

(a)  

An ACL tells the network which data can be sent and received. What does ACL stand for ?

(a)  

What is the purpose of a firewall ?

(a)  

What are some drawbacks of a Firewall ? (multiple correct answers)

• Can be very expensive

• Sometimes block legitimate traffic

• Can use a lot of computer memory

• Included as part of the operating system

What is the name of software that identifies and removes malware ?

(a)  

Anti-virus software needs to be continually (a)   to ensure it can detect new viruses.

What is it called when password characters are masked when they are typed in ? For example ********

(a)  

What are a time-saving feature but can be a security risk when they keep a user logged in even if they leave a webpage ?

(a)