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    Computing Technology Industry Association (CompTIA)
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    Exam 15: CompTIA Security+
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    A Technician Must Configure a Firewall to Block External DNS
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A Technician Must Configure a Firewall to Block External DNS

Question 770

Question 770

Multiple Choice

A technician must configure a firewall to block external DNS traffic from entering a network. Which of the following ports should they block on the firewall?


A) 53
B) 110
C) 143
D) 443

Correct Answer:

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