Level B2 (DevOps & Cloud Q&A)285 words • ~2 min
Cloud Infrastructure & DevOps: Technical Interview Q&A
By DevOps & Cloud Series
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Full-Stack Architecture: Interview Q&A
Technical Q&AInterview QuestionType question & model answer below
What are the core pillars of modern full-stack web architecture?
Q: What are the core pillars of modern full-stack web architecture? A: Modern full-stack architecture combines reactive React frontends, type-safe backends, automated CI/CD pipelines, and scalable cloud infrastructure.
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Technical Interview Questions & Model Answers
Q1What core steps comprise an enterprise CI/CD pipeline in GitHub Actions?
Answer: A robust pipeline triggers on pull requests, executing linting, static type checking, unit tests, container builds, and security scans before automatically deploying to staging.
Q2What are the primary advantages of running self-hosted CI runners on Azure virtual machines?
Answer: Self-hosted runners offer dedicated computing capacity, persistent build caches for faster compilation, access to private VPC resources, and reduced per-minute runner costs.
Q3How do headless end-to-end tests with Playwright protect complex web applications?
Answer: Playwright executes simulated user workflows across real browser engines, verifying that authentication, routing, and dynamic data state behave correctly before code merges to production.
Q4How does Terraform enforce reproducibility through Infrastructure as Code?
Answer: Terraform manages cloud resources declaratively with version-controlled state files, preventing manual configuration drift and allowing identical environments to be spun up on demand.
Q5What network configurations are critical when isolating containerized microservices?
Answer: Configuring isolated Docker bridge networks, strict firewall rules, and dual-stack IPv4 and IPv6 routing prevents cross-container interference and protects internal database ports.
Q6How does centralized key management like Azure Key Vault safeguard cloud infrastructure?
Answer: Key vaults store database connection strings, certificates, and API tokens securely, restricting access through role-based access control and comprehensive audit logging.
Key Vocabulary in this Story
provisioning/prəˈvɪʒ.ən.ɪŋ/noun
The process of setting up and preparing IT infrastructure resources for operational use.
cấp phát tài nguyên (provisioning)
regression/rɪˈɡreʃ.ən/noun
A software bug that causes a feature that was previously working to stop functioning.
lỗi hồi quy (regression bug)
declarative/dɪˈkler.ə.t̬ɪv/adj
Describing what the intended end state should be rather than prescribing sequential execution steps.
mang tính khai báo (declarative)
reproducible/ˌriː.prəˈduː.sə.bəl/adj
Capable of being recreated or duplicated consistently with the same results.
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