What happens when you type a URL in the browser and press Enter?

DNS resolves domain to IP → TCP handshake → TLS handshake → HTTP request → server processes → HTTP response → browser parses HTML/CSS/JS → page renders.

What is a deadlock? What are the four conditions for deadlock?

Deadlock is when two or more processes are stuck waiting for resources held by each other, indefinitely. Coffman's four necessary conditions: Mutual Exclusion, Hold and Wait, No Preemption, Circular Wait.

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Computer Networks & OS

15 Questions

TCP/IP, HTTP/HTTPS, DNS, operating system concepts, processes, threads, memory management and concurrency.

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