A local dentist has contracted with you to implement a network in her new office. Because of security concerns related to patient privacy laws, she has asked that the new network meet the following criteria and be cost effective:

No one from the internet should be able to access her internal network.

Email messages should be scanned for spam, phishing attacks, and malware before they reach users' workstations.

Employees access to non$-$work$-$related websites, especially sites that contain inappropriate content, should be blocked.

A system should be put in place to detect and prevent external attacks on her network.

Which of the following would BEST meet your client's criteria?

Implement an intrusion prevention system $($IPS$).$

Implement a firewall.

Implement an all$-$in$-$one UTM security appliance.

Implement a content filter.

Implement an email security appliance.