1. What is the main purpose of a firewall on a network?
To filter packets between a trusted and an untrusted network
To store copies of the data so it can be recovered
To encrypt the files that are stored on the computers
To check software for malware before it is installed
2. A network manager discovers a known malicious IP address is sending packets to the network. Which firewall feature should be used?
Blocking packets that are sent from that IP address
Blocking the network port that the packets are sent to
Giving that IP address a lower user access level
Encrypting each packet before it enters the network