1. A firewall sits between a company's local area network and its internet connection. What is its main job?
Keep a copy of data that can be restored after a failure
Monitor and block incoming and outgoing traffic
Scramble data so it cannot be read if it is intercepted
Scan stored files for known malware signatures
2. A member of staff connects a personal USB memory stick to a work laptop. How does anti-virus software protect the laptop?
It backs the memory stick up to the cloud before use
It encrypts the memory stick using a decryption key
It checks the memory stick against an access control list
It scans the memory stick for malware before files are opened