Q11. What is working capital and why does it matter?
Working capital is current assets minus current liabilities. It measures the short term liquidity available to run day to day operations. Current assets include cash, rec...
Technical Question Bank · Peer-Reviewed
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 (104 available).
Active:
Tag: di ×
Q12. Explain the difference between organic reach and paid reach on social media.
Organic reach is the number of people who see your content without paid promotion. It comes from followers, shares and the platform's ranking algorithm, and it is essenti...
Q13. What is the difference between a star schema and a snowflake schema?
Both are dimensional models. A star schema has one central fact table surrounded by denormalized dimension tables. Each dimension is a single table, so joins stay simple ...
Q14. Explain key expiry and eviction policies in Redis.
You set a time to live with EXPIRE, SETEX or PEXPIRE. Redis removes expired keys lazily on access and also runs a background sampling cycle that actively deletes expired ...
Q15. What is service discovery and why is it needed?
In a dynamic environment, service instances start, stop and move, so callers cannot rely on fixed hostnames. Service discovery maintains a registry of healthy instances a...
Q16. What does HATEOAS mean in REST?
HATEOAS stands for Hypermedia as the Engine of Application State. A response not only carries data but also links describing the actions and related resources the client ...
Q17. When should you use v-if instead of v-show?
v-if conditionally renders: when the expression is falsy the element and its children are not created, and they are destroyed when it flips. It supports v-else and v-else...
Q18. A shop offers a 20% discount, then an additional 10% off the reduced price. What is the effective discount?
Successive discounts multiply, they do not add. Price 100 -> after 20% = 80. After an additional 10% on 80 -> 80 x 0.9 = 72. Effective discount = 100 - 72 = 28%. Formula ...
Q19. Explain caching strategies and common failure modes.
Strategies: - Cache-aside (lazy loading): app checks cache, on miss reads DB and populates. Most common. - Read-through: cache library fetches on miss. - Write-through: w...
Q20. What is the cache-aside pattern and how do you keep the cache consistent?
In cache-aside the application checks the cache first. On a miss it reads from the database, writes the value into the cache with a TTL, and returns it. On writes, the co...