Which protocol provides e-mail facility among different hosts?Select one:a.FTPb.SMTPc.TELNETd.SNMP

1. Break Down the Problem

We need to identify which of the given protocols facilitates email communication between different hosts.

2. Relevant Concepts

• FTP (File Transfer Protocol): Used for transferring files between hosts.
• SMTP (Simple Mail Transfer Protocol): Specifically designed for sending emails.
• TELNET: A protocol for remote command-line interface communication.
• SNMP (Simple Network Management Protocol): Used for network management and monitoring.

3. Analysis and Detail

From the definitions:

• SMTP is primarily used to send emails from one server to another and is critical in the sending of emails across the internet. This makes it relevant in the context of email communication.
• The other protocols (FTP, TELNET, SNMP) serve different purposes and do not provide email facilities.

4. Verify and Summarize

After analyzing the definitions:

• SMTP is established as the protocol that specifically handles email transmission.

Final Answer

The correct answer is: b. SMTP.