Cisco

First, a written test, with multiple-choice questions mostly on electronics and data structures. Then, two to three technical rounds covering networking (OSI layers, TCP/UDP, IP) and algorithms (linked lists, trees, stacks), along with data structur

Through a hackathon. The initial stage was a test. The hackathon was held at the office in Bengaluru. They hired interns and gave them a "poo" (likely a typo for "pool" or similar, retaining original for fidelity) of tasks. Its name is Code with Cisc

There was a telephonic screening round, after which there were five technical rounds. All of them focused on C programming, data structures, networking, and problem-solving. I would say it was neither difficult nor easy. In all the rounds, a puzzle