nerdexam
CompTIA

JK0-019 · Question #405

JK0-019 Question #405: Real Exam Question with Answer & Explanation

Sign in or unlock JK0-019 to reveal the answer and full explanation for question #405. The question stem and answer options stay visible for context.

Question

A network administrator is tasked with blocking unwanted spam is being relayed by an internal email server. Which of the following is the FIRST step in preventing spam that is originating from bots on the network?

Options

  • AClosing off port 25 on the firewall
  • BClosing off port 53 on the firewall
  • CTurning off the SMTP service on the email server
  • DTurning off the IMAP service on the email server

Unlock JK0-019 to see the answer

You've previewed enough free JK0-019 questions. Unlock JK0-019 for full answers, explanations, the timed quiz mode, progress tracking, and the master PDF. Question stem and options stay visible so you can still see what's on the exam.

Full JK0-019 Practice