210-250 · Question #23
Which two protocols are used for email (Choose two )
The correct answer is D. IMAP E. SMTP. Email relies on two distinct protocols - SMTP for sending messages and IMAP for retrieving them from a mail server. The other choices serve unrelated networking functions.
Question
Which two protocols are used for email (Choose two )
Options
- ANTP
- BDNS
- CHTTP
- DIMAP
- ESMTP
How the community answered
(20 responses)- A10% (2)
- C5% (1)
- D85% (17)
Why each option
Email relies on two distinct protocols - SMTP for sending messages and IMAP for retrieving them from a mail server. The other choices serve unrelated networking functions.
NTP (Network Time Protocol) is used to synchronize clocks across network devices, not for email transmission or retrieval.
DNS (Domain Name System) resolves hostnames to IP addresses and while it supports email via MX records, it is not itself an email protocol.
HTTP (HyperText Transfer Protocol) is used for web communication and is not a native email protocol, though webmail interfaces use it as a transport layer.
IMAP (Internet Message Access Protocol) is used by email clients to retrieve and manage messages stored on a mail server, allowing messages to remain on the server and be accessed from multiple devices.
SMTP (Simple Mail Transfer Protocol) is the standard protocol for sending and relaying email messages between mail servers and from clients to servers, operating on port 25 or 587.
Concept tested: Core email protocols SMTP and IMAP
Source: https://www.cisco.com/c/en/us/support/docs/security/email-security-appliance/118556-configure-esa-00.html
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