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CompTIA

CV0-001 · Question #601

An administrator accidentally blocks all traffic on port 53 outbound on the Internet-facing firewall protecting its public cloud. Which of the following implications does this have on customers?

The correct answer is C. All customer services internally resolving DNS queries will fail. See the full explanation below for the reasoning.

Question

An administrator accidentally blocks all traffic on port 53 outbound on the Internet-facing firewall protecting its public cloud. Which of the following implications does this have on customers?

Options

  • AAll customer services utilizing email alerting or responses will fail.
  • BAll customer services utilizing internal secure web services will fail.
  • CAll customer services internally resolving DNS queries will fail.
  • DAll customer services responding to external name resolution requests will fail.

How the community answered

(24 responses)
  • A
    13% (3)
  • B
    4% (1)
  • C
    79% (19)
  • D
    4% (1)

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Full CV0-001 Practice