Depending on the employer really dictates your answer. The safest answer is to say you were arrested but that the case was subsequently dismissed. With the ease of online background checks, any employer doing one will know of the misdemeanor conviction, 1203.4 or not.
I will be happy to speak with you at no cost with a phone or office conference. Please call my office at 619-231-0401 or visit my website at www.paulneuharth.com