Which of the following operations should be performed preferentially for Telnet login failure troubleshooting?

Question

Options

• ACheck whether the client can ping the server.
• BCheck whether the number of login users reaches the upper limit.
• CCheck whether an ACL is configured in the VTY user interface view.
• DCheck whether the access protocol is correctly configured in the VTY user interface view.

• A
  80% (28)
• B
  11% (4)
• C
  3% (1)
• D
  6% (2)

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