Question-36: N-tier data applications are data applications that are divided into numerous tiers. n-tier applications are a kind of programme that divides the processing into several tiers that are then split between the client and the server. This type of application is also known as distributed apps and multitier applications. Your company use Google Cloud Platform to host a three-tier web application that is currently running on the same network. Each layer, including the database, the API, and the website, may grow separately from the others. The database layer should be the destination for network traffic once it has passed via the web tier and the API tier. The web tier and the database layer should not have any traffic flowing between them. It has the same fundamental architectural pattern, but the difference is that the 3-tier architecture always has three levels, whereas the n-tier architecture may have any number of layers. What settings should you use for the network configuration?
A. Connect each tier to its own unique subnetwork.
B. Install software-based firewalls on each individual virtual machine.
C. Assign tags to each tier and configure routing such that the necessary amount of traffic may pass through.
D. Add tags to each tier and configure the firewall to enable the desired flow of traffic.

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