Designing networks that scale as the organization grows is a key qualification for a talented network consulting engineer. When the interviewer asks you about this, you should have a clear answer about how you design cost-effective networks for the organization's current needs that can scale easily over time. Your answer can include solutions such as scalable technology, systems, and software that are easily upgraded or expanded, providing standby cabling solutions, designing data centers for growth, and utilizing third-party and service provider resources.