Escapade, a Travel House in Sydney, Uses an Implementation Process

Multiple Choice

Escapade, a travel house in Sydney, uses an implementation process which is expensive and used for only a short period of time. Which of the following is the company using if it launches the new system while the old one is still running and employees do their jobs twice, once on each system?

A) parallel implementation
B) phased implementation
C) direct implementation
D) pilot implementation