Can you explain the difference between a router and a switch? This question assesses your understanding of networking basics. Be prepared to discuss the functions of each device and how they differ in terms of operation and use within a network. How do you troubleshoot a computer that is unable to connect to the internet? Walk the interviewer through your troubleshooting process, which may include checking network cables, verifying IP settings, resetting the router, checking for network driver issues, and testing connectivity with other devices. What steps would you take to diagnose a software issue reported by a user? Discuss your approach to identifying the root cause of software problems, such as checking error messages, reviewing system logs, testing for conflicts with other software, and researching known issues and solutions. How do you handle a situation where a customer is frustrated and angry due to a technical issue? Demonstrate your customer service skills by describing how you would remain calm, empathize with the customer's frustration, actively listen to their concerns, and work to resolve the issue in a timely and courteous manner.