A technician is looking to secure an entire network by blocking all non-essential ports. Which of the
following devices would BEST provide this functionality?
A.
Firewall
B.
Honeynet
C.
IDS
D.
IPS
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A firewall is like the bouncer in a club, the people represent data assigned to specific ports. The VIP list the bouncer carries is the ACL that permits who can enter and leave the club, which essentially represents what ports are open. If you’re not on the list you cannot gain access.
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