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Question 71 - AZ-720 discussion

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A company deploys a new file sharing application on four Standard_D2_v3 virtual machines (VMs) behind an Azure Load Balancer. The company implements Azure Firewall. Users report that the application is slow during peak usage periods. An engineer reports that the peak usage for each VM is approximately 1 Gbps. You need to implement a solution that support a minimum of 10 Gbps.

What should you do to increase the throughput?

A.
Request an increase in networking quotas.
Answers
A.
Request an increase in networking quotas.
B.
Increase the size of the VM instance.
Answers
B.
Increase the size of the VM instance.
C.
Disable the Azure Firewall and implement network security groups in its place.
Answers
C.
Disable the Azure Firewall and implement network security groups in its place.
D.
Move two of the servers behind a separate load balancer and configure round robin routing in Traffic Manager.
Answers
D.
Move two of the servers behind a separate load balancer and configure round robin routing in Traffic Manager.
Suggested answer: B

Explanation:

According to the given scenario, the application deployed on four Standard_D2_v3 virtual machines behind an Azure Load Balancer is experiencing slow performance during peak usage periods It is reported that the peak usage for each VM is approximately 1 Gbps, and the goal is to increase the throughput to a minimum of 10 Gbps.

To achieve this goal, the best option is to increase the size of the VM instance. The Standard_D2_v3 virtual machine size has a maximum network bandwidth of 1 Gbps, so increasing the size of the VM instance to a higher tier, such as Standard_D8_v3 or higher, will provide more network bandwidth and improve the application's performance. Option A, requesting an increase in networking quotas, may not be sufficient to achieve the required network bandwidth. Option C, disabling the Azure Firewall and implementing network security groups, may not have a significant impact on the network bandwidth. Option D, moving two of the servers behind a separate load balancer and configuring round-robin routing in Traffic Manager, may improve availability and performance but will not increase the network bandwidth. Source: [1] https://docs.microsoft.com/en-us/azure/virtual-machines/windows/sizesgeneral[2] https://docs.microsoft.com/en-us/azure/virtual-network/designing-hub-spoketopologies#optimize-data-transfer-between-hub-and-spoke-vnets

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asked 02/10/2024
Salman Hashmi
33 questions
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