[&] Which of the following protocols was designed primarily to facilitate outgoing email from an email client? (Select the best answer)
- SNMP
- IMAP
- POP3
- SMTP -- Correct
- TFTP

[&] What type of DNS Query is sent from an MTA to a DNS server? (Select the best answer)
- MX-Record query -- Correct
- AAA-Record query
- MTA-Record query
- A-Record query

[&] In the order of operations regarding sending an email from an email client, after the email leaves the client's device, which of the following is typically the first device that will receive that email? (Select the best answer)
- Destination peer
- MX
- MMT
- MTA -- Correct

[&] Which of the following symbols was picked back in 1972 to denote an email address? (Select the best answer)
- $
- &
- %
- @ -- Correct