What are three ways a judge obtains sentencing information? Essay Assignment Paper

What are three ways a judge obtains sentencing information? Which do you believe is the most useful way to establish just and fair sentences? Why?

One of your clients, a 40-year old professional female who was sentenced to 1 year of probation for DUI / DWI, submits to a random urinalysis which indicates a positive reading for alcohol. Would you recommend revocation of her probation? Why or why not?