What will be the result of failed login attempts if the following command is entered into a router?

What will be the result of failed login attempts if the following command is entered into a router?

login block-for 150 attempts 4 within 90

• All login attempts will be blocked for 90 seconds if there are 4 failed attempts within 150 seconds.
• All login attempts will be blocked for 150 seconds if there are 4 failed attempts within 90 seconds.
• All login attempts will be blocked for 4 hours if there are 90 failed attempts within 150 seconds.
• All login attempts will be blocked for 1.5 hours if there are 4 failed attempts within 150 seconds.
  

  Answers Explanation & Hints: The components of the login block-for 150 attempts 4 within 90 command are as follows: The expression block-for 150 is the time in seconds that logins will be blocked. The expression attempts 4 is the number of failed attempts that will trigger the blocking of login requests. The expression within 90 is the time in seconds in which the 4 failed attempts must occur.