AWS Certified Advanced Networking Specialty Practice Exam

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What is required for connecting multiple applications across different AWS Regions using Direct Connect?

  1. Only one Direct Connect connection is needed

  2. Direct Connect connections must be to the same region

  3. Transit VIFs connecting to a Direct Connect gateway

  4. Utilizing AWS Global Accelerator

The correct answer is: Transit VIFs connecting to a Direct Connect gateway

The requirement for connecting multiple applications across different AWS Regions using Direct Connect centers around the use of Transit Virtual Interfaces (VIFs) and Direct Connect gateways. By implementing Transit VIFs, organizations can leverage a Direct Connect gateway to route traffic across multiple AWS Regions efficiently. This setup allows for a single Direct Connect connection to establish connectivity with virtual interfaces that can communicate with resources in different regions, thereby simplifying network management and optimizing performance. This approach is particularly advantageous for businesses that operate across regions, as it facilitates the routing of data without needing separate physical connections in each region. The Direct Connect gateway acts as an intermediary, enabling the establishment of connections to various VPCs in different regions through a centralized Direct Connect connection. In contrast, the other options miss critical aspects of AWS's architecture for cross-region connectivity through Direct Connect. Simply having one Direct Connect connection is insufficient unless it is effectively connected through the proper channels like Transit VIFs. Suggesting that Direct Connect connections must be to the same region ignores the flexibility offered through Direct Connect gateways that allow for inter-region communication. While AWS Global Accelerator can enhance performance for traffic routing, it does not directly facilitate the connection between applications via Direct Connect across regions. Thus, connecting multiple applications across different AWS Regions

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