Microsoft Azure Solutions Architect Certification Exam Questions (AZ-300 & AZ-301)

Question 1:
You plan to deploy a network-intensive application to several Azure virtual machines.
You need to recommend a solution that meets the following requirements:
Minimizes the use of the virtual machine processors to transfer data
Minimizes network latency
Which virtual machine size and feature should you use?
Answer:
Virtual Machine Size: High Performance compute Standard_H16r
Feature: Remote Direct Memory Access (RDMA)
Explanation:
Reference: https://docs.microsoft.com/en-us/azure/virtual-machines/sizes-hpc#h-series

Question 2:
You have a .NET web service named Service1 that has the following requirements:
• Must read and write temporary files to the local file system.
• Must write to the Windows Application event log.
You need to recommend a solution to host Service1 in Azure. The solution must meet the following requirements:
• Minimize maintenance overhead.
 Minimize costs.
What should you include in the recommendation?
A. an Azure virtual machine scale set
B. an Azure function
C. an App Service Environment
D. an Azure web app
Answer: A

Question 3:
You have an Azure subscription that contains an Azure Blob storage account named store1.
You have an on-premises file server named Server1 that runs Windows Server 2016. Server1 stores 500 GB of company files. You need to store a copy of the company files in store1.
Which two possible Azure services achieve this goal? Each correct answer presents a complete solution.
A. an Azure Import/Export job
B. an integration account
C. an Azure Batch account
D. Azure data Factory
E. an On-premises data gateway

Answer: Both A and D

Question 4:
You have an Azure environment that contains the Azure subscription and the virtual networks shown in the following table.
Virtual Network Name Subscription Name Virtual Network Type
Vnet1 Subscription1 Classic Mode
Vnet2 Subscription2 Resource Manager
Vnet3 Subscription3 Resource Manager
Vnet4 Subscription4 Resource Manager

You need to recommend a virtual network peering solution to ensure that the resources connected to any other virtual network. The solution must minimize administrative effort.
Which virtual network peering topology should you recommend? To answer, select the appropriate topology in the answer area.

Answer:

Explanation:
Reference: https://docs.microsoft.com/en-us/azure/vpn-gateway/vpn-gateway-about-vpngateways

Question 5:
You have a web app named App1 that is hosted on-premises and on four Azure virtual machines. Each virtual machine is in a different region.
You need to recommend a solution to ensure that users will always connect to the closest instance of App1. The solution must prevent the users from attempting to connect to a failed instance of App1.
Which two possible recommendations achieve the goal? Each correct answer presents a complete solution.
A. Azure Front Door Service
B. Azure Load Balancer
C. round-robin DNS
D. Azure Traffic Manager
E. Azure Application Gateway
Answer: Both A and D

Question 6:
You are designing a microservices architecture that will support a web application.
The solution must meet the following requirements:
 Allow independent upgrades to each microservice
 Deploy the solution on-premises and to Azure
 Set policies for performing automatic repairs to the microservices
 Support low-latency and hyper-scale operations You need to recommend a technology.
You need to recommend a technology. What should you recommend?
A. Azure Service Fabric
B. Azure Container Service
C. Azure Container Instance
D. Azure Virtual Machine Scale Set
Answer: A

Question 7:
You are designing a solution for a company to deploy software for testing and production.
The solution must meet the following requirements:
– Applications must be deployed to several different environments and must run without installation of dependencies.
– Existing published application must be ported to the new solution.
– Application developers must be given flexibility when architecting their code.
What should you select?
A. Azure worker role
B. Azure Kubernetes Service
C. Azure Functions
D. Azure Batch
Answer: B
Explanation:
Kubernetes is open-source orchestration software for deploying, managing, and scaling containers. The fully managed Azure Kubernetes Service (AKS) makes deploying and managing containerized applications easy. It offers serverless Kubernetes.
Reference:
https://azure.microsoft.com/en-us/services/kubernetes-service/

Question 8:
You have 100 Standard_F2s_v2 Azure virtual machines. Each virtual machine has two network adapters.
You need to increase the network performance of the workloads running on the virtual machines.
The solution must meet the following requirements:
– The CPU-to-memory ratio must remain the same.
– The solution must minimize costs. What should you do?
A. Configure NIC teaming
B. Enable RDMA over InfiniBand
C. Enable Accelerated Networking.
D. Install an additional network adapter
Answer: C
Explanation:
Accelerated networking enables single root I/O virtualization (SR- IOV) to a VM, greatly improving its networking performance. This high-performance path bypasses the host from the Datapath, reducing latency, jitter, and CPU utilization, for use with the most demanding network workloads on supported VM types.
Reference: https://docs.microsoft.com/en-us/azure/virtual-network/create-vm-accelerated-networking-cli

Question 9:
You have the application architecture shown in the following exhibit.

Use the drop-down menus to select choice that completes each statement based on the information presented in the graphic.

Answer:

Explanation:
Box 1: Modify the Azure Traffic Manager routing
Azure Traffic Manager supports six traffic-routing methods to determine how to route network traffic to the various service endpoints.
Box 2: Endpoint monitor settings in the Azure Traffic Manager
Azure Traffic Manager includes built-in endpoint monitoring and automatic endpoint failover. This feature helps you deliver high- availability applications that are resilient to endpoint failure, including Azure region failures.
To configure endpoint monitoring, you must specify the following settings on your Traffic Manager profile: Protocol, Port, Path, custom header settings, etc.
Reference:
1. https://docs.microsoft.com/en-us/azure/traffic-manager/traffic-manager-routing-methods
2. https://docs.microsoft.com/en-us/azure/traffic-manager/traffic-manager-monitoring

Question 10:
You are designing a solution for a stateless front-end application named Application1. Application1 will be hosted on two Azure virtual machines named VM1 and VM2. You plan to load balance connections to VM1 and VM2 from the Internet by using one Azure load balancer. You need to recommend the minimum number of required public IP addresses.

How many public IP addresses should you recommend using for each resource? To answer, select the appropriate options in the answer area.

Answer:

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