220-1201 Practice Question: A technician is configuring a new email server…

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

• ✓

  SMTP, POP3, and HTTP

  Why this is correct

  SMTP (Simple Mail Transfer Protocol) is fundamental for sending and relaying outbound email messages between mail servers and from client applications to the server. POP3 (Post Office Protocol version 3) enables email clients to retrieve messages from a mail server, typically downloading them to the local device and often deleting them from the server. HTTP (Hypertext Transfer Protocol) provides the necessary foundation for webmail access, allowing users to manage their email through a standard web browser interface without needing a dedicated client application. Together, these three protocols cover the essential functions for a comprehensive email server: sending, client-based receiving, and web-based receiving.

• ✗

  FTP, SMTP, and DNS

  Why it's wrong here

  While SMTP correctly handles the sending of email, FTP (File Transfer Protocol) is designed exclusively for transferring files between computers and has no role in email content delivery or client access. DNS (Domain Name System) is crucial for resolving domain names to IP addresses and locating mail servers via MX records, but it does not directly transmit or receive email messages itself. The critical absence of a protocol for client-side email retrieval, such as POP3 or IMAP, and a protocol for webmail access (HTTP/HTTPS) makes this combination incomplete for a functional email server.

• ✗

  IMAP, SNMP, and HTTPS

  Why it's wrong here

  IMAP (Internet Message Access Protocol) is suitable for client-side email retrieval, allowing users to manage messages directly on the server, and HTTPS provides secure webmail access. However, SNMP (Simple Network Management Protocol) is used for monitoring and managing network devices, collecting data about their operation, and is entirely unrelated to handling email content or client communication. Crucially, this selection lacks SMTP, the essential protocol for sending outbound email messages, rendering the server unable to transmit mail to other recipients.

• ✗

  DHCP, SMTP, and POP3

  Why it's wrong here

  DHCP (Dynamic Host Configuration Protocol) is responsible for automatically assigning IP addresses and other network configuration parameters to devices on a network, a function entirely unrelated to email server operations or message handling. Although SMTP correctly facilitates email sending and POP3 enables client-side email reception, the absence of HTTP or HTTPS means there is no provision for web-based email access. A modern email server typically requires a webmail interface for broad accessibility and convenience, which this protocol combination fails to provide.

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