A protective shield is removably mounted over an orthodontic appliance in a user’s mouth and includes an outer resilient compressible material layer joined to an inner adhesive layer. However, the best data sources for answering the query may not currently be contained within the corpus or the data sources in the corpus may contain stale data that provides an inaccurate answer. The first and second gate lines are separately set at a first state and a second state. A user interface is generated for assigning values to each of the selected photographic style categories. Such systems and methods can include an analysis-rule-configuration component, a data-reception component and a rules engine. The indicators indicate whether security will be applied to a media data, whether security will be applied by an application layer, and whether security will be applied by an evolved-packet-system layer.