Welcoming questions
- Can you tell us about your networking background and the environments you have supported?
- What kind of network problems do you find most interesting to solve?
Role-specific / technical competencies
- Describe the topology of the largest network you have managed: sites, segments, and key equipment.
- How do you approach firewall rule design so policies stay secure without blocking legitimate work?
- Explain a situation where you used packet capture to solve a problem that monitoring dashboards missed.
- How have you designed or managed connectivity between on-premise networks and a cloud provider?
- Walk us through your change management process for a risky network change during business hours.
Behavioural & culture fit
- Tell us about a network outage where you were the primary responder. How did you communicate while fixing it?
- Describe a time you had to coordinate with a vendor or ISP to resolve an issue outside your control.
- How do you keep network documentation accurate when changes happen frequently?
Problem-solving / case
- Users in one office report intermittent slowness to a cloud application, but other offices are fine. How do you isolate the cause?
- You discover an unknown device on a production VLAN transmitting unusual traffic. What are your immediate steps?
- The company is opening a new office for 80 people in three months. Outline how you would plan and deliver its network.
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