Which of the following is also known as ferry ports ? 

Packet Station

The correct answer is Option 2: Packet Station

NCERT: Packet Station is also known as ferry ports. These packet stations are exclusively concerned with the transportation of passengers and mail across water bodies covering short distances. These stations occur in pairs located in such a way that they face each other across the water body.E.g. Dover in England and Calais in France across the English Channel.