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Internet Email - Quiz

Each question is worth one point. Select the best answer or answers for each question.

1. Which DNS records specify which host in a domain is responsible for that domain's email?
Please select the best answer.
  A. SMTP
  B. ESMTP
  C. MX
  D. FQDN

2. In what ways is an email system like the post office?
Please select all the correct answers.
  A. Intermediate hosts route email from sender to destination.
  B. It is possible for email to be "lost in the mail."
  C. Emails have senders and receivers, each with their own addresses.

3. Which of the following is the primary reason for using domains rather than fully-qualified domain names?
Please select the best answer.
  A. Domains require less work of the email system.
  B. Domains make it easier to remember and group email addresses.
  C. Using domains means the email has less data to transfer.