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LPI Certification / CompTIA Linux+ Practice Test

Category - LINUX

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You are installing a new Linux server, which will function as an e-mail server for your small business setup. Which of the following ports should you open on the host firewall?

Explanation

Answer - D - You should open port 143 on the host firewall.

Key Takeaway: E-mail applications use three protocols, namely: POP3, SMTP, and IMAP. Port 110 is used by the POP3 protocol, port 25 is used by the SMTP protocol, and port 143 is used by the IMAP protocol.

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LPI Certification / CompTIA Linux+ Practice Test

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LPI Certification / CompTIA Linux+ Practice Test

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