An IT project involves both hardware installation and software development. The project manager notes that the software development cannot begin until the hardware is installed and operational. This dependency is required because the software team needs the hardware environment to develop and test the software. What type of dependency is this?
This is a mandatory dependency because the software development work cannot proceed without the hardware installation; it is a necessary and unavoidable relationship intrinsic to the project tasks. An internal dependency refers to dependencies within the project but can be either mandatory or discretionary. An external dependency involves reliance on external entities outside the project's control. A discretionary dependency is a preferred sequence based on best practices but is not strictly necessary.
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What distinguishes a mandatory dependency from a discretionary dependency?
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