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You are unsuccessful in telnetting into a remote device. What could the problem be? IP addresses are incorrect. Access control list is filtering Telnet. There is a defective serial cable. The VTY password is missing.

1 only
3 only
2 and 4 only
All of the above

Correct Answer: 2 and 4 only

Explanation:

The best answers, the ones you need to remember, are that either an access control list is filtering the Telnet session or the VTY password is not set on the remote device.

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