I read the Kathy sierra book couple of times.
Went for a chapter a day.
2 minute drill and the following test after each chapter were of good use.
Practised test using whizlabs couple of days before exam.
That sums up my preparation.
Felt questions with multiple anwsers little confusing.
so do practice them well.
Next am planning to write SCDJWS.
ALL THE BEST.