Refer to the exhibit. After entering the commands in the exhibit, the administrator receives a “password required, but none set” message when attempting to connect to S1. What is the problem?

Refer to the exhibit. After entering the commands in the exhibit, the administrator receives a “password required, but none set” message when attempting to connect to S1. What is the problem?

• The enable secret password was not set.
• S1 does not have login configured on the vty lines.
• S1 does not have a password configured for the vty lines.
• The crypto key is not properly configured to generate passwords.
• The VLAN1 interface has not be enabled with the no shutdown command.

Exam with this question: CCNA Exploration 3: ESwitching Final Exam