Which statement is true if password-strength checking is enabled?
A . Short, easy-to-decipher passwords will be rejected.
B . The strength of existing passwords will be checked.
C . Special characters, such as the dollar sign ($) or the percent sign (%), will not be allowed.
D . Passwords become case-sensitive.
Answer: A
Explanation:
If a password is trivial (such as a short, easy-to-decipher password), the cisco NX_OS software will reject your password configuration if password-strength checking is enabled. Be sure to configure a strong password. Passwords are case sensitive.
http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus9000/sw/7-x/security/configuration/guide/b_Cisco_Nexus_9000_Series_NX-OS_Security_Configuration_Guide_7x/b_Cisco_Nexus_9000_Series_NX-OS_Security_Configuration_Guide_7x_chapter_01000.pdf