A task that significantly affects the project managment plan's progress is completed at a certain point known as a milestone.
Using the parallel running technique, both systems run simultaneously while the new system gradually takes over the functions of the old one. This conversion is necessary because the old system's technology is out of date and a new system must be established to take its place.
Activities carried out by IT groups that are not under the management's direct authority in terms of information security include: system safety.
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