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Which of the following is by far the most common preven…

Which of the following is by far the most common prevention system from a network security perspective?

PrepAway - Latest Free Exam Questions & Answers

A.
Firewall

B.
IDS

C.
IPS

D.
Hardened OS

E.
Tripwire

F.
None of the choices.

Explanation:
User account access controls and cryptography can protect systems files and data, respectively. On the other
hand, firewalls are by far the most common prevention systems from a network security perspective as they
can shield access to internal network services, and block certain kinds of attacks through packet filtering.


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