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频道帖子
💡 Detailed Explanation:
Using IaC tools like Terraform allows you to define and scale infrastructure resources programmatically, preventing manual configuration drift.
| 2 | A Jenkins pipeline fails because a build agent runs out of disk space. Which strategy best resolves this using Infrastructure as Code? | 98 |
| 3 | 💡 Detailed Explanation:
Checking metrics and logs helps determine if the OOM is caused by a memory leak or a legitimate resource limit mismatch before making configuration changes. | 121 |
| 4 | A production containerized app is crashing due to OOM errors. What is the first step to diagnose this? | 143 |
| 5 | 💡 Detailed Explanation:
Multi-stage builds allow you to discard build-time dependencies, significantly reducing the final image size and improving deployment efficiency. | 190 |
| 6 | A CI/CD pipeline fails because a container image exceeds the registry size limit. What is the best DevOps practice to resolve this? | 226 |
| 7 | 💡 Detailed Explanation:
Multi-stage builds allow you to compile code in a heavy image and copy only the artifacts to a minimal runtime image, significantly reducing final size. | 201 |
| 8 | A deployment pipeline is failing because a Docker image is too large. Which approach best optimizes the build? | 210 |
| 9 | 💡 Detailed Explanation:
Multi-stage builds allow you to discard build-time dependencies, resulting in smaller, more secure, and efficient production images. | 203 |
| 10 | A CI/CD pipeline fails because a container image exceeds the registry size limit. What is the best DevOps practice to resolve this? | 237 |
| 11 | 💡 Detailed Explanation:
Rolling back to a stable version is the fastest way to restore service by reverting the code causing the leak, avoiding a 'fix forward' delay. | 222 |
| 12 | A production web server is down due to a high CPU load from a memory leak. What is the best immediate DevOps approach? | 231 |
| 13 | 💡 Detailed Explanation:
Using unique tags like commit SHAs ensures image immutability, prevents cache issues, and allows for reliable rollbacks. | 251 |
| 14 | A CI/CD pipeline fails because an image tag already exists in the registry. Which approach best follows DevOps best practices? | 272 |
| 15 | 💡 Detailed Explanation:
If a deployment was successful but connectivity fails after a security group update, it is almost certainly a misconfigured firewall rule blocking traffic. | 269 |
| 16 | A deployment pipeline suddenly fails because a microservice is unable to reach the database. What is the most likely cause if security groups were recently updated? | 306 |
| 17 | 💡 Detailed Explanation:
OOMKilled stands for Out of Memory Killed. It occurs when a container attempts to use more memory than the limit defined in its specification. | 276 |
| 18 | A production Kubernetes pod is crashing due to OOMKilled. What is the cause? | 303 |
| 19 | 💡 Detailed Explanation:
Automated lifecycle policies ensure old or unused images are removed periodically, preventing storage bloat without manual intervention. | 277 |
| 20 | A CI/CD pipeline fails because a container image exceeds the registry size limit. What is the most effective long-term solution? | 293 |
