Cisco Interview Questions and Guide
Networking fundamentals (TCP/IP, routing), low-level socket programming, distributed network management, and system reliability.
The Cisco interview loop
- Recruiter screen
- Technical assessment / phone screen
- Onsite: 3–4 rounds on data structures, networking protocols, system design, and behavioral
Cisco interview questions
- Design a Distributed Rate Limiter
- Design Zoom (Video Conferencing)
- Design Smart Grid Device Control
- Design a Distributed Message Queue
- Design a Metrics Monitoring & Alerting System
- Design Over-the-Air (OTA) Firmware Updates
- Diagonal Traverse
- Shortest Path in a Grid with Obstacles Elimination
- Snakes and Ladders
- Search in Rotated Sorted Array
- Network Delay Time
- Restore IP Addresses
- Minimum Meeting Rooms
- Where do you see yourself in five years?
- How do you prioritize competing demands?
- What is a weakness you're working on?