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 (2 available).

Filters

Keyword Category Difficulty Type Sort by

Reset

Active: Tag: http-cache ×

Caching Strategies Easy technical

Q1. What does a CDN cache and how does it help?

A content delivery network caches content on edge servers close to users. It serves static assets such as images, CSS, JavaScript and fonts, and can cache dynamic respons...

2 Answer

Caching Strategies Medium technical

Q2. How does HTTP caching work with Cache-Control and ETag?

HTTP caching lets browsers and proxies reuse responses. `Cache-Control` sets the policy: - `max-age=300`: fresh for 300 seconds; no revalidation needed. - `s-maxage`: ove...

1 Answer