DevOps, SRE & Cloud

Networking & Security

6 practice questions. Free questions open a full answer guide; the rest unlock with Pro.

  • How do you give workloads in a private subnet access to AWS services without routing through a NAT gateway, and why would you? Mid level
  • What is a VPC and why would you place resources in private subnets rather than public ones?Go Pro Junior level
  • What is the difference between a Layer 4 and a Layer 7 load balancer, and when would you pick each?Go Pro Junior level
  • Your AWS data-transfer line item is one of the biggest on the bill and nobody is sure why. How do you reason about where cloud egress and inter-zone traffic costs come from and how to bring them down?Go Pro Senior level
  • Leadership wants assurance that a compromised workload can't quietly exfiltrate data out of your cloud network. How do you reason about controlling and monitoring egress traffic?Go Pro Senior level
  • Your services live behind a firewall but a breach still spread between them. How do you reduce lateral movement in an internal network, and where does zero trust fit?Go Pro Mid level
Want questions matched to your role? Paste a job title, job description, or CV for a personalized set, or go Pro to unlock the full bank.