# Tasks, dependencies and schedules

> A unit of work with a defined outcome.

Course: [Project management foundations](https://studybrix.com/en/courses/project-management/index.md)
Level: university
Prerequisites: No prior project-management course required.

## Notes

### Task

A unit of work with a defined outcome.

### Dependency

A relationship where one task relies on another condition or task.

### Milestone

A significant checkpoint or event rather than a duration of work.

### Critical path

The sequence of dependent activities determining the shortest possible project duration under the model.

## Practice questions

### 1. Which term best matches this description: A unit of work with a defined outcome.

A. Milestone
B. Task
C. Dependency
D. Critical path

Answer: Task

Explanation: Task is the matching concept in this lesson.

### 2. Which term best matches this description: A relationship where one task relies on another condition or task.

A. Milestone
B. Dependency
C. Critical path
D. Task

Answer: Dependency

Explanation: Dependency is the matching concept in this lesson.

### 3. Which concept would you apply first in a situation where a significant checkpoint or event rather than a duration of work.

A. Milestone
B. Dependency
C. Critical path
D. Task

Answer: Milestone

Explanation: The scenario directly calls for Milestone.

### 4. Name the concept described as: The sequence of dependent activities determining the shortest possible project duration under the model.

Answer: Critical path

Explanation: The intended concept is Critical path.

### 5. Which statement about Task is most accurate?

A. A unit of work with a defined outcome.
B. A relationship where one task relies on another condition or task.
C. The sequence of dependent activities determining the shortest possible project duration under the model.
D. A significant checkpoint or event rather than a duration of work.

Answer: A unit of work with a defined outcome.

Explanation: The definition in the lesson notes gives the required condition.

### 6. Explain one important difference between Task and Dependency.

Sample answer / marking guidance: Task: A unit of work with a defined outcome. Dependency: A relationship where one task relies on another condition or task.

Explanation: Credit a clear distinction using both definitions and an appropriate example if supplied.

### 7. Give a short example showing how Milestone would be used in practice.

Sample answer / marking guidance: A valid example should demonstrate this idea: A significant checkpoint or event rather than a duration of work.

Explanation: Credit a relevant scenario that applies the concept rather than merely naming it.

### 8. Summarize why Critical path matters in the lesson “Tasks, dependencies and schedules”.

Sample answer / marking guidance: Critical path matters because The sequence of dependent activities determining the shortest possible project duration under the model.

Explanation: Credit the core purpose, scope and any important limitation from the notes.

## Further reading

- https://www.pmi.org/learning/library

Original AI-assisted educational draft; not independently teacher-reviewed. References support further study, not copied exercises, affiliation or curriculum accreditation.