ayContain</code> attributes of the parent class in those of the child. In this way, the child will have all of the mandatory and optional attributes of the parent. Similarly, the <code>possSuperiors</code> and <code>systemPossSuperiors</code> of the parent are also included in those of the child class. This process propagates backwards until the top of the ancestry tree - a child class inherits the properties of its parent class and all of its grandparent classes.</p>
<p>Whilst Active Directory classes may 