I am doing a test, and I am confused on the below question
Which type of application would benefit from using the Singleton pattern?
A. An application that interacts with external systems in serial fashion.
B. An application that interacts with external systems in parallel fashion.
C. A clustered application that can support 200 concurrent users.
D. An application that requires remote monitoring capabilities
There are some test that it answers A and other that it answers D. What is the correct answers?
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