Guided course
A free interview preparation path that connects the network request lifecycle to production .NET code. It covers HttpClient lifetime, resilience decisions, and a final diagnostic checklist.
Follow the modules in order, complete each lesson, and use the linked practice tests to check your understanding.
Start this course to keep your place across devices.
Module 1
Lesson 1 of 3 | HTTP and Resilience
Explain how HttpClient, SocketsHttpHandler, and connection pools relate.
Read the linked notes and prepare a two-minute answer for why creating a new client per request is risky.