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

  • DNS
  • IMAP
  • POP3
  • SMTP

Your Score:
Mobile Devices
Networking
Hardware
Virtualization and Cloud Computing
Hardware and Network Troubleshooting
CompTIA A+ 220-1101
  • Mobile Devices
  • Networking
    • This question is filed here
  • Hardware
  • Virtualization and Cloud Computing
  • Hardware and Network Troubleshooting