Which of the following can be used to block unauthorized access while allowing authorized communications on a device or network?
A) Network router
B) Personal firewall
C) Hardware that uses NAT (network address translation)
D) All of the above

Question

Quizplus · Accepted Answer

All of the options listed can be used to block unauthorized access while allowing authorized communications. Network routers can be configured to block or allow traffic based on rules, personal firewalls are designed to block unauthorized access to devices, and NAT helps hide internal IP addresses from the external network, adding a layer of security.

Which of the Following Can Be Used to Block Unauthorized