Which of the following is necessary for building an open systems?
A. A system vision
B. A common architecture
C. The use of standards and standard based implementation
D. All of the mentioned
Answer:A
Which of the following is necessary for building an open systems?
A. A system vision B. A common architecture C. The use of standards and standard based implementation D. All of the mentioned
Explanation: All of the mentioned are necessary for building an open systems.