2V0-41.24 Question 164
Select 2Your organization has deployed VMware NSX to provide network virtualization for a multi-tier application. The application has a web, application, and database tier. The web and application tiers need to communicate across different subnets, while the database tier requires all connected virtual machines to reside in the same subnet. Which of the following statements correctly distinguishes when to use routing or bridging for this scenario?
- A
Routing is required for communication between the web and application tiers since they are on different subnets.
- B
Bridging is required for communication between the web and application tiers since they are on different subnets.
- C
Bridging is used for the database tier because all virtual machines need to be in the same broadcast domain.
- D
Routing is used for the database tier to enable communication between virtual machines in different subnets.
Show answer and explanation
Correct answers: A, C
Explanation
Routing and bridging are applied based on the network requirements. Routing is used for inter-subnet communication, as seen between the web and application tiers, while bridging is used for intra-subnet communication within the same broadcast domain, as required for the database tier.
- A. Correct.
Correct. Routing is essential to enable communication between different subnets, such as the web and application tiers in this scenario.
- B. Incorrect.
Incorrect. Bridging cannot be used for communication between different subnets, as bridging operates within the same broadcast domain.
- C. Correct.
Correct. Bridging ensures that all virtual machines in the database tier can communicate within the same subnet and broadcast domain, which is required in this scenario.
- D. Incorrect.
Incorrect. Routing is not applicable for the database tier since all connected virtual machines reside in the same subnet, and routing is used for inter-subnet communication.