300-435 · Question #99
What is a benefit of using a Python virtual environment?
The correct answer is B. It separates dependencies from the application. A key benefit of using a Python virtual environment is its ability to separate a project's dependencies from other applications and the global Python environment.
Question
Options
- AIt allows easy module dependencies maintenance.
- BIt separates dependencies from the application.
- CIt improves runtime performance.
- DIt improves overall application security.
How the community answered
(27 responses)- A4% (1)
- B89% (24)
- C7% (2)
Why each option
A key benefit of using a Python virtual environment is its ability to separate a project's dependencies from other applications and the global Python environment.
While virtual environments aid in dependency management by isolating them, "easy module dependencies maintenance" is a broad statement; the primary benefit is isolation, which leads to easier maintenance.
A Python virtual environment creates an isolated environment for a specific project, preventing dependency conflicts. This means that packages installed for one project do not interfere with packages installed for other projects or with the system-wide Python installation, ensuring each application has its own set of dependencies.
Virtual environments do not inherently improve runtime performance of Python applications; their purpose is dependency isolation.
While isolating dependencies can indirectly contribute to stability, virtual environments do not primarily improve overall application security; security practices involve much more than just dependency isolation.
Concept tested: Python virtual environment benefits
Source: https://docs.python.org/3/library/venv.html
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