Which cell represents an electrolysis cell that electroplates Zn?

Diagram of a galvanic cell showing electrolysis for Zn electroplating.

Diagram of an electrolysis cell with a voltage source for Zn electroplating.

Diagram of an electrolysis cell illustrating Zn electroplating with a voltage source.

Diagram of an electrolysis cell with voltmeter showing Zn electroplating process.