N10-008 Exam Dumps | A network technician needs to ensure outside users are unable to telnet into any of the servers at the

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Question 287/311

A network technician needs to ensure outside users are unable to telnet into any of the servers at the datacenter. Which of the following ports should be blocked when checking firewall configuration?

A. 22

B. 23

C. 80

D. 3389

E. 8080

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