A software development project requires the delivery of specialized servers from a third-party supplier before the development team can begin configuration. This reliance on the supplier represents which type of dependency?
Internal dependency
Discretionary dependency
Start-to-start dependency
External dependency
This scenario describes an external dependency. External dependencies involve tasks, resources, or events outside of the project team's direct control, such as deliverables from a third-party vendor. An internal dependency, by contrast, is a relationship between tasks managed within the project team. A discretionary dependency is a preferred, but not mandatory, sequencing of tasks. A start-to-start relationship is a type of logical dependency that dictates two tasks must begin at the same time, but it does not describe the origin of the dependency (internal vs. external).
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