When selecting a video in PowerPoint, the VIDEO TOOLS FORMAT and ________ tabs display on the ribbon

What is the name of the data unit that is sent and received at the Ethernet data link layer?

A) Segment B) Frame C) Bit D) Packet E) Section

A linked list is represented by a reference to

A) the first node in the list, unless the list is empty, in which case the reference is set to null B) to the list representation object, which contains a boolean flag set to false when the list is empty C) the superclass of the list D) None of the above