Question: Why are legacy systems still used? A . They integrate well using new Web services technologies. B . They offer higher security than newer systems.

Why are legacy systems still used?
A. They integrate well using new Web services technologies.
B. They offer higher security than newer systems.
C. They can be run only on older mainframe computers.
D. They contain valuable data that would be lost during redesign.
E. They are too expensive to redesign.
Why are legacy systems still used? A. They integrate well using

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