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Which of the following devices would BEST achieve this goal?

Pete, the system administrator, wants to restrict access to advertisements, games, and gambling websites.
Which of the following devices would BEST achieve this goal?

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A.
Firewall

B.
Switch

C.
URL content filter

D.
Spam filter

Explanation:
URL filtering, also known as web filtering, is the act of blocking access to a site based on all or part of the URL
used to request access. URL filtering can focus on all or part of a fully qualified domain name (FQDN), specific
path names, specific filenames, specific file extensions, or entire specific URLs. Many URL-filtering tools can
obtain updated master URL block lists from vendors as well as allow administrators to add or remove URLs
from a custom list.
Incorrect Answers:
A: The basic purpose of a firewall is to isolate one network from another. Firewalls are available as appliances,
meaning they’re installed as the primary device separating two networks.
B: Switches are multiport devices that improve network efficiency.
D: A spam filter is a software or hardware tool whose primary purpose is to identify and block/filter/remove
unwanted messages (that is, spam).References:
Stewart, James Michael, CompTIA Security+ Review Guide, Sybex, Indianapolis, 2014, pp. 18, 19
Dulaney, Emmett and Chuck Eastton, CompTIA Security+ Study Guide, 6th Edition, Sybex, Indianapolis, 2014,
pp. 96, 102

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