Explain how TLS secures a connectionCodingA networking fundamentals question after a coding exercise: explain how TLS sets up a secure connection between a client and a server, and how it protects the data afterwards…
Last asked Aug 2026
#fundamentals
Firmware fundamentals: endianness, ring buffers and the stackCodingAnswer and code short firmware questions: what big- and little-endian mean and how to detect or convert byte order, how a ring buffer works between an interrupt handler and the…Last asked Jul 2026- Deep learning fundamentals: optimization, drift and calibrationML designAnswer conceptual questions on training: gradient descent versus SGD, convexity, sharp versus flat minima, the bias-variance trade-off, calibration and model drift, and how you…Last asked Feb 2026
- Data structure fundamentals: arrays, linked lists, hash tables and treesCodingAnswer quick fundamentals questions: the time complexity of common sorting algorithms; arrays versus linked lists, including the cost of inserting at the head and in the middle…Last asked Feb 2026
React class components, lifecycle methods and hooksCodingExplain how React class components work and the order of their lifecycle methods (mount, update, unmount), then how the same behavior is written with hooks: useState, useEffect…Last asked Jan 2026