02At what layer should this load balancer operate? Explain the trade-off between L4 and L7.▼mediumNewCloudflareGoogleMeta2 repliesunlockedA staple of every networking round, and the follow-up is always about TLS termination. Knowing which layer sees what decides most of the answer.Open full answer →
03What happens between typing a URL and the page rendering? Go as deep as you can.▼medium★ EssentialNewMetaGoogleCloudflare2 repliesunlockedThe oldest question in systems interviewing and still the best, because it is unbounded: the interviewer stops you when you run out of depth, and where you stop is the score.Open full answer →