Q51. How do you test and audit accessibility properly?
Automated tools catch roughly a third of issues, so a complete audit combines them with manual and assistive-technology testing. Static checks include axe DevTools, Light...
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Job Interview Questions and Answers Directory
Search and filter frequently asked interview questions across technical, programming, and behavioral domains. Tailor your interview preparation by difficulty for freshers or experienced developers (182 available).
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Q52. How do lab and field performance measurement differ?
Lab tools run in a controlled environment. Lighthouse gives a synthetic score with TTFB, FCP, LCP, TBT and CLS, which is useful in CI and for reproducible comparisons. Ch...
Q53. How do you optimise Tailwind for production?
Tailwind's performance story is about generation and delivery. The JIT engine produces only the utilities present in scanned files, so production CSS is typically a few k...
Q54. How do SSR, prerendering and performance options work in SvelteKit?
SvelteKit renders every page on the server by default and then hydrates it on the client, so the first paint is real HTML. You control this per route with page options. e...
Q55. How would you scale Scrum across multiple teams?
Scaling Scrum is a problem of coordination, not of adding more Scrum. The first question is whether scaling is needed, because more layers often slow delivery. I keep tea...
Q56. Describe a time you dealt with a customer who was wrong but insisted otherwise.
I separate the relationship from the facts. Being right is not the goal; resolving the issue is. I listen fully and acknowledge their perspective: "I can see why you read...
Q57. Explain register allocation in a compiler.
Register allocation assigns the many virtual registers produced by the compiler to the small, fixed set of physical CPU registers. It happens late, after instruction sele...
Q58. How do you optimise BigQuery query cost and performance?
Cost in on-demand BigQuery is driven by bytes scanned, so reduce what each query reads. - Partition tables, usually by date, and add partition filters so only relevant pa...
Q59. How would you troubleshoot a failed Azure VM deployment?
Use the deployment history and activity log first, then drill into the resource. 1. Inspect the failed deployment operations to get the exact error code. ```bash az deplo...
Q60. How would you troubleshoot high latency from an EC2 instance?
Work from the outside in and use metrics before guessing. 1. Confirm scope: is it the instance, the network, the application, or a dependency? Check CloudWatch CPU, netwo...