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    Guide to Operating Systems Security
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    Exam 6: Firewalls and Border Security
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    Which of the Following TCP/UDP Ports Is Used for DNS
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Which of the Following TCP/UDP Ports Is Used for DNS

Question 16

Question 16

Multiple Choice

Which of the following TCP/UDP ports is used for DNS server applications?


A) 53
B) 80
C) 139
D) 443

Correct Answer:

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