| 1 | What is a Virtual Private Gateway, and how does it relate to establishing hybrid connectivity with a VPC? AWS › AWS Direct Connect & Hybrid Connectivity | AWS | AWS Direct Connect & Hybrid Connectivity | Beginner |
| 2 | How does a Site to Site VPN connection provide a quicker, lower cost alternative to Direct Connect for hybrid connectivity? AWS › AWS Direct Connect & Hybrid Connectivity | AWS | AWS Direct Connect & Hybrid Connectivity | Intermediate |
| 3 | How can Direct Connect and Site to Site VPN be combined to provide a highly available hybrid connectivity design? AWS › AWS Direct Connect & Hybrid Connectivity | AWS | AWS Direct Connect & Hybrid Connectivity | Intermediate |
| 4 | How do you check network connectivity before making a request? .NET MAUI › Networking & APIs | .NET MAUI | Networking & APIs | Beginner |
| 5 | How do you check network connectivity before making a request? .NET MAUI › Networking & APIs | .NET MAUI | Networking & APIs | Beginner |
| 6 | How should an organization design a scalable, secure VPC architecture that supports multiple accounts, hybrid connectivity, and future growth? AWS › VPC & Networking | AWS | VPC & Networking | Advanced |
| 7 | What connectivity does the hub need to spoke clusters? ArgoCD › Multi-cluster | ArgoCD | Multi-cluster | Intermediate |
| 8 | How do you implement a custom health check by implementing IHealthCheck, such as checking database connectivity? ASP.NET Core › Health Checks | ASP.NET Core | Health Checks | Intermediate |
| 9 | How should you properly handle a genuine network timeout and other common network errors, such as no internet connectivity, when making a request using either the http or Dio packages? Flutter › Networking with HTTP & Dio | Flutter | Networking with HTTP & Dio | Intermediate |
| 10 | How should you properly implement automatic reconnection logic for a WebSocket connection that genuinely gets unexpectedly dropped, such as when a device briefly loses its internet connectivity or moves between different networks? Flutter › WebSockets & Real Time Data in Flutter | Flutter | WebSockets & Real Time Data in Flutter | Intermediate |
| 11 | How do VPC endpoints, including gateway and interface endpoints, allow private connectivity to AWS services without traversing the public internet? AWS › VPC & Networking | AWS | VPC & Networking | Advanced |
| 12 | What is AWS Direct Connect and how does it differ from connecting to AWS over the public internet? AWS › AWS Direct Connect & Hybrid Connectivity | AWS | AWS Direct Connect & Hybrid Connectivity | Beginner |
| 13 | What is a Direct Connect Gateway, and how does it simplify connecting a single Direct Connect connection to multiple VPCs across different regions? AWS › AWS Direct Connect & Hybrid Connectivity | AWS | AWS Direct Connect & Hybrid Connectivity | Intermediate |
| 14 | How does Direct Connect support Link Aggregation Groups to increase bandwidth and provide additional resilience? AWS › AWS Direct Connect & Hybrid Connectivity | AWS | AWS Direct Connect & Hybrid Connectivity | Advanced |
| 15 | How does AWS Transit Gateway simplify complex hybrid network architectures involving many VPCs and on premises connections? AWS › AWS Direct Connect & Hybrid Connectivity | AWS | AWS Direct Connect & Hybrid Connectivity | Advanced |
| 16 | What is AWS Database Migration Service and what problem does it solve? AWS › AWS Database Migration Service & Application Migration | AWS | AWS Database Migration Service & Application Migration | Beginner |
| 17 | What is AWS Outposts and what problem does it solve for organizations needing on premises infrastructure? AWS › AWS Outposts & Hybrid Cloud | AWS | AWS Outposts & Hybrid Cloud | Beginner |
| 18 | How does AWS Outposts maintain a connection to the AWS Region it is associated with? AWS › AWS Outposts & Hybrid Cloud | AWS | AWS Outposts & Hybrid Cloud | Beginner |
| 19 | What is AWS Storage Gateway and how does it bridge on premises environments with AWS cloud storage? AWS › AWS Storage Gateway | AWS | AWS Storage Gateway | Beginner |
| 20 | What is Amazon VPC and why is it the foundation for networking within AWS? AWS › VPC & Networking | AWS | VPC & Networking | Beginner |
| 21 | What ordering, sizing, and physical installation process is involved in deploying an AWS Outposts rack? AWS › AWS Outposts & Hybrid Cloud | AWS | AWS Outposts & Hybrid Cloud | Intermediate |
| 22 | How does VPC Peering enable private network communication between two separate VPCs, and what are its limitations? AWS › VPC & Networking | AWS | VPC & Networking | Intermediate |
| 23 | How would you convert between the legacy java.util.Date/Calendar classes and the modern java.time API when working with older libraries or APIs that still require the legacy types? Java › Java Date & Time API (java.time) | Java | Java Date & Time API (java.time) | Advanced |
| 24 | How does Route 53 Resolver enable DNS resolution between a VPC and on premises networks? AWS › Amazon Route 53 & DNS Management | AWS | Amazon Route 53 & DNS Management | Advanced |
| 25 | What performance and network bandwidth considerations should be evaluated before deploying Storage Gateway in a production environment with large datasets? AWS › AWS Storage Gateway | AWS | AWS Storage Gateway | Advanced |