Questions that have appeared at Cisco for a Engineering (Case Study) interview.

1. Systems Design

Question: Given a scenario where we need to design a distributed key-value store, what factors would you consider in your design and why?

Question: How would you design a load balancer for our cloud-based systems? What factors would you consider and why?

Question: What approach would you take to design a scalable and reliable database system for a high traffic application?

2. Network Engineering

Question: You are given a case where the network is constantly dropping out. How would you diagnose and rectify the problem?

Question: Describe how you would design a secure network for a large organization with multiple branches.

Question: How would you handle the case where an organization needs remote access to their server securely?

3. Troubleshooting and Problem-solving

Question: You are given a case where an important service in our infrastructure is down. How would you approach this problem?

Question: Given a scenario where a database query is taking too long to execute, how would you identify and solve this problem?

Question: How would you approach a case where the performance of a cloud service is degrading over time?

4. System Security

Question: If you were given a case where an organization's network is under a DDoS attack, how would you handle it?

Question: How would you handle the case where an unauthorized user gained access to sensitive data on our servers?

Question: Given a scenario where a company's network has been infected with a ransomware, how would you approach this case?