Email attachment file sending – UGC NET Question

An email attachment is a file that accompanies the main text of an email and is transmitted together with the message. ICT users commonly attach documents, images or compressed archives for sharing. Email clients encode and decode these attachments automatically. Thus, the document sent with the message is correctly called an attachment.

Option A:
Option A is correct because the standard term in email systems for a file sent with the message is attachment.

Option B:
Option B, hyperlink, is a clickable reference within the message that points to another location but does not embed the file itself.

Option C:
Option C, header, contains structural information such as sender and subject, not the attached file.

Option D:
Option D, protocol, refers to the rules governing communication, such as SMTP, and not to individual files sent.