CompTIA
SK0-004 · Question #422
SK0-004 Question #422: Real Exam Question with Answer & Explanation
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Question
An administrator is setting up a new mail server on the network and wants to open necessary ports to allow POP3 protocol for mail delivery. Which of the following ports should be opened in the internal and external firewalls?
Options
- A101
- B110
- C123
- D161
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