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Domain 1Objective 4
Ports and Protocols N10-009 Practice Questions (Page 9)
Part of the Networking concepts domain, which makes up ~25% of our current practice bank. CompTIA does not publish an official question count, but from its 90-minute exam (~35–60 total, ~9–15 in this domain), expect 1–2 from this objective — we provide 48 practice questions to prepare you well beyond it. (estimate)
48questions here
10free pages
15concepts
Questions 41–45
- 41
A company's email server is configured to send notifications to employees. The administrator notices that emails sent to external recipients are being rejected by the recipient's mail server. The administrator verifies that the email server can send to internal recipients without issue. Which protocol and port combination should the administrator verify is correctly configured for outbound email delivery?
Select an answer first - 42
A company's email server sends outbound messages to external recipients. The administrator notices that emails are being marked as spam by the recipients' mail servers. The administrator verifies that the email server's IP address is not on any blacklist and that the DNS records are correct. Which additional configuration should the administrator implement to improve email deliverability?
Select an answer first - 43
What is the main security advantage of SSH over Telnet?
Select an answer first - 44
A network administrator needs to transfer a large configuration file from a workstation to a router. The file must be transferred reliably, and the administrator needs to verify the file's integrity after the transfer. The router supports both FTP and TFTP. Which protocol should the administrator choose?
Select an answer first - 45
Which port does RDP use by default?
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