CompTIA
N10-005 · Question #405
N10-005 Question #405: Real Exam Question with Answer & Explanation
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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
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