A network technician opens PuTTY to connect to a Cisco switch. The technician sets PuTTY with the IP address of the switch and port 23. However, connections to the switch are always declined. What is a possible cause for this issue?
- The transport input ssh command has been configured on vty lines.
- Only Telnet is allowed to connect to the switch.
- The domain name of the switch should be used in PuTTY.
- An ACL is applied on the console port that blocks the PC that the technician uses.
Explanation: Telnet uses TCP port 23 and SSH uses TCP port 22. If vty lines are configured with the transport input ssh command, only SSH connections are allowed.
Exam with this question: CCNP ENARSI v8 Certification Practice Exam
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