What safeguards do you design into a network to limit unauthorized intrusions and data loss?

Second only to providing network availability and access to online resources is the need to secure the information transported across the company's network infrastructure. As a network consulting engineer, you're expected to be able to describe how you accomplish securing the company's proprietary information and maintaining the security of the network. The interviewer wants to feel confident that you're capable of doing this. They may also be looking for innovations you can bring to the organization to help them improve their current security practices.