IP (Internet Protocol) is responsible for

1. Dividing the message into multiple packets
2. Assigning addresses to the packets
3. Rearranging the received packets
4. Asking for missing packets

TCP (Transmission Control Protocol) is not responsible for

1. Dividing the message into multiple packets
2. Assigning addresses to the packets
3. Rearranging the received packets
4. Asking for missing packets

Which protocol holds the email only until you receive it?

1. SMTP
2. FTP
3. IMAP
4. POP3

URL expands to

1. Uniform Rate Line
2. Universal Resource Line
3. Universal Resource Locator
4. Uniform Resource Locator