nerdexam
CompTIA

JK0-019 · Question #634

JK0-019 Question #634: Real Exam Question with Answer & Explanation

The correct answer is B. 53. See the full explanation below for the reasoning.

Question

Which of the following ports should be allowed through a firewall to allow DNS resolution to occur to an outside DNS server?

Options

  • A20
  • B53
  • C80
  • D3389

Community Discussion

No community discussion yet for this question.

Full JK0-019 Practice