CompTIA Security+ Question A-1

Which of the following should the security administrator implement to limit web traffic based on country of origin? (Select THREE).

A. Spam filter
B. Load balancer
C. Antivirus
D. Proxies
E. Firewall
F. NIDS
G. URL filtering

Answer: D,E,G

Explanation:
A proxy server is a server that acts as an intermediary for requests from clients seeking resources from other servers. Firewalls manage traffic using a rule or a set of rules. A URL is a reference to a resource that specifies the location of the resource. A URL filter is used to block access to a site based on all or part of a URL.