As you might expect, the crown prosecutors would be asking the questions. As to the length of those questions, it's a little bit like all hearings before the court. They may be over very quickly or they may continue at some length.
Again, there is complete judicial oversight with respect to the hearing. It has to be conducted in a reasonable and fair manner. The individual has the right to have counsel at any time during the proceedings, to have a lawyer there with them, so....