The problem of modal distortion, involving light bouncing back and forth at a sharp angle as it travels down a cable, is unique to which type of fiber-optic cable?

Backing up a database is important primarily due to ________

A) making it easier to index the data B) edits you make in a database C) the requirement to do so in Access 2016 D) the chance of data being lost or corrupted

To remove a node with index 0 from a linked list,

A) just move the head reference one node forward B) set the head reference to null C) set a reference r to the head of the list, and then set r to null D) throw an exception, because no list has a node with index 0