ITPEC FE Morning April 2023 Question 35
As for the use of e-mails over the Internet, which of the following is a standard that extends the header field and can handle not only text but also audio and images?
Explanation
MIME — Multipurpose Internet Mail Extensions add header fields so an email can carry audio, images and other non-text data.
Plain Internet mail carries only 7-bit ASCII text. MIME adds header fields such as Content-Type and Content-Transfer-Encoding, encodes binary data (for example with Base64), and defines multipart messages so one mail can hold text and several attachments.
Answer (c)
Why not others:
- •(a) HTML — a markup language for web pages; an email body may be HTML, but it does not define email header fields.
- •(b) MHS — Message Handling System, the ITU-T X.400 messaging architecture, not the Internet mail extension standard.
- •(d) SMTP — the protocol that transfers mail between servers; it carries the message but does not define how audio or images are encoded in it.
Key rule: SMTP moves the mail, POP and IMAP retrieve it, and MIME defines how non-text content is packaged inside it.
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