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Computer & Networking BasicsApplication Protocols

SMTP is primarily used for?

  • ASending and relaying email
  • BResolving MAC addresses
  • CAssigning IP addresses
  • DTransferring Ethernet frames between switches only
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Correct Answer: A. Sending and relaying email
Explanation: SMTP is the standard application-layer protocol used to submit and relay email messages.
Reference: Standard computer networking fundamentals: application protocols
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