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Which of the following protocols operates over port 143 by default?

  • SMTP
  • IMAP
  • DNS
  • POP3

Your Score:
Mobile Devices
Networking
Hardware
Virtualization and Cloud Computing
Hardware and Network Troubleshooting
CompTIA A+ 220-1001
  • Mobile Devices
  • Networking
    • This question is filed here
  • Hardware
  • Virtualization and Cloud Computing
  • Hardware and Network Troubleshooting