📚 Practice Mode

Data Communication and Networks (CBSE (UGC) NET)

Learn at your own pace with hints and detailed explanations

1 / 15
Multiple Choice

Which of the following commands is used in SMTP mail exchange to notify the receiver that the message contents will follow?

  1. HELO
  2. MAIL
  3. DATA
  4. RCPT
  5. QUIT
Change Mode