Asecurity analyst is reviewing the password policy for a service account that is used for a critical network service. the password policy for this account is as follows:

enforce password history: three passwords remembered

maximum password age: 30 days

minimum password age: zero days

complexity requirements: at least one special character, one uppercase

minimum password length: seven characters

lockout duration: one day

lockout threshold: five failed attempts in 15 minutes

which of the following adjustments would be the most appropriate for the service account?

disable account lockouts

set the maximum password age to 15 days

set the minimum password age to seven days

increase password length to 18 characters