Learn which environment is best for testing new application features in isolation for the CompTIA A+ Core 1 220-1101 exam. Understand the differences between sandbox, production, development, staging, and backup environments to boost your IT certification success.
Table of Contents
Question
A user reports that their desktop computer randomly restarts. A technician checks the Event Viewer and finds a “Kernel-Power” error. What is the most likely cause?
A. A misconfigured firewall
B. A corrupted operating system
C. A failing power supply
D. A faulty USB device
E. An outdated graphics driver
Answer
C. A failing power supply
Explanation
A failing PSU can cause random reboots due to unstable power delivery.
A sandbox environment is a controlled, isolated setting designed specifically for testing new application features or code changes without affecting the main system or live production environment. This isolation ensures that any errors, bugs, or issues encountered during testing do not disrupt ongoing operations or compromise data integrity.
- Production environment: Used for live, operational applications accessed by end users. Testing here risks impacting real users and data.
- Development environment: Where developers write and initially test code, but it may not fully isolate changes from other ongoing development activities.
- Staging environment: Closely replicates production for final testing before deployment, but is not intended for isolated feature testing.
- Backup environment: Stores copies of data for recovery purposes and is not used for testing application features.
The sandbox environment is purpose-built for safe, isolated experimentation, making it the correct choice for testing new features without risk to the main system. This aligns with best practices and is a key concept for the CompTIA A+ Core 1 220-1101 exam.
CompTIA A+ Core 1 220-1101 certification exam practice question and answer (Q&A) dump with detail explanation and reference available free, helpful to pass the CompTIA A+ Core 1 220-1101 exam and earn CompTIA A+ Core 1 220-1101 certification.