Information Technology Infrastructure Interview Questions

425 information technology infrastructure interview questions shared by candidates

What would you change to optimize spanning tree in a L2 environment? (priorities for root) Where would you configure spanning-tree root guard? (uplinks) What two additional features can be used for spanning tree optimization? (bpduguard, bpdufilter, port-fast, etc) What features could you implement for fiber problems resulting in a unidirectional link? (UDLD & spanning tree loop guard) Name the OSPF LSA types and describe each. (google) Why would the type 4 ASBR summary be used? (E1 routes with multiple points of redistribution to area 0 for competing routes to the same external route) What is BGP's loop prevention mechanism? (AS_PATH attribute) Why did you implement OSPF and not EIGRP in your network?
avatar

IT Infrastructure Engineer

Interviewed at Red Ventures

3.2
Jul 1, 2013

What would you change to optimize spanning tree in a L2 environment? (priorities for root) Where would you configure spanning-tree root guard? (uplinks) What two additional features can be used for spanning tree optimization? (bpduguard, bpdufilter, port-fast, etc) What features could you implement for fiber problems resulting in a unidirectional link? (UDLD & spanning tree loop guard) Name the OSPF LSA types and describe each. (google) Why would the type 4 ASBR summary be used? (E1 routes with multiple points of redistribution to area 0 for competing routes to the same external route) What is BGP's loop prevention mechanism? (AS_PATH attribute) Why did you implement OSPF and not EIGRP in your network?

BGP troubleshooting, juniper routers, vxlan, Prisma Access, VMWare, Linux, Kubernetes architecture, packet capture, network monitoring, latency measurement, datacenter architecture, firewalls, wireshark, end user support
avatar

Manager, Global IT Infrastructure

Interviewed at Polar Asset Management Partners

1.4
Jul 22, 2025

BGP troubleshooting, juniper routers, vxlan, Prisma Access, VMWare, Linux, Kubernetes architecture, packet capture, network monitoring, latency measurement, datacenter architecture, firewalls, wireshark, end user support

We are very technology focused here at Safeware, and our IT team works to promote the most efficient technology to streamline our business practices, how do you see yourself fitting into this role to support us in our efforts?

We are very technology focused here at Safeware, and our IT team works to promote the most efficient technology to streamline our business practices, how do you see yourself fitting into this role to support us in our efforts?

Viewing 251 - 260 interview questions

See Interview Questions for Similar Jobs

Glassdoor has 425 interview questions and reports from Information technology infrastructure interviews. Prepare for your interview. Get hired. Love your job.