CompTIA
JK0-019 · Question #948
JK0-019 Question #948: Real Exam Question with Answer & Explanation
The correct answer is A. Closing off port 25 on the firewall. See the full explanation below for the reasoning.
Question
A network administrator is tasked with blocking unwanted spam which 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
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