$1.$ True or False? Ethernet is an Open Systems Interconnection $($OSI$)$ Reference Model Layer $4$ protocol.

$2.$ True or False? Communication at the Network Layer of the Open Systems Interconnection $($OSI$)$ Reference Model is achieved through a logical addressing scheme.

$3.$ True or False? Internet Protocol version $4($IPv$4)$ uses a $128-$bit address scheme, whereas Internet Protocol version $6($IPv$6)$ uses a $32-$bit address scheme.

$4.$ True or False? Regarding the Open Systems Interconnection $($OSI$)$ Reference Model, many people combine Layers $5$ through $7,$ referring to them as the "Application Layers."