Which two actions can be taken to prevent a successful attack on an email server account? (Choose two.)

Question:
Which two actions can be taken to prevent a successful attack on an email server account? (Choose two.)

• Never send the password through the network in a clear text.
• Never use passwords that need the Shift key.
• Never allow physical access to the server console.
• Only permit authorized access to the server room.
• Limit the number of unsuccessful attempts to log in to the server.

Exam with this question: CCNA 1 (v5.1 + v6.0) Chapter 11 Exam Answers