AZ-104: Deploy and manage Azure compute resources

1. Which scalability strategy would be most appropriate for a web application experiencing unpredictable spikes in traffic, requiring rapid adjustment in the number of virtual machines?. Horizontal scaling with Azure Virtual Machine Scale Sets. Vertical scaling with increased VM size. Using a single large virtual machine.

2. Which Azure feature should be used to ensure that a group of virtual machines remains available even if a specific data center within a region fails?. Fault Domains. Availability Zones. Availability Sets.

3. Your company wants to minimize costs while maintaining performance during peak times. Which scaling strategy is more suitable for dynamically adjusting resource allocation in response to varying workloads?. Implementing Azure Backup to manage resource allocation. Vertical scaling by increasing VM size during peak times. Horizontal scaling with Azure Virtual Machine Scale Sets.

4. Which scenario would benefit most from implementing Azure Virtual Machine Scale Sets?. A legacy application with fixed resource requirements. A web application that experiences variable user traffic throughout the week. An application requiring a single instance for dedicated processing.

5. What is a key disadvantage of vertical scaling when compared to horizontal scaling in cloud environments?. It requires downtime to resize the virtual machine. It is more flexible in handling variable workloads. It allows for more instances to be added easily.

6. Your organization runs a web application with fluctuating traffic throughout the day. How can Azure Virtual Machine Scale Sets help manage this traffic effectively?. By reducing the size of virtual machines during high traffic periods. By pre-provisioning a fixed number of virtual machines. By automatically scaling the number of virtual machines to match traffic demands.

7. How do update domains contribute to maintaining application availability during Azure's planned maintenance?. Update domains distribute VMs across different physical racks. Update domains guarantee immediate failover to backup VMs. Update domains ensure only a subset of VMs are rebooted during maintenance, minimizing downtime.

8. When configuring an Azure Virtual Machine Scale Set, why is it important to understand the distinction between fault domains and update domains?. To guarantee zero downtime for all virtual machines. To minimize the simultaneous impact of maintenance and hardware failures. To ensure that virtual machines are not affected by regional outages.

9. A seasonal e-commerce platform expects a surge in traffic during the holiday season. Which scaling approach would provide cost-effective management of resources while maintaining performance?. Vertical scaling with scheduled upgrades to larger VMs. Horizontal scaling with autoscaling to dynamically adjust resources. Maintaining a constant high number of VMs throughout the year.

What is a key consideration when configuring autoscale rules for Azure Virtual Machine Scale Sets?. Defining the CPU usage threshold to trigger scaling actions. Setting a fixed number of virtual machines at all times. Ensuring that all virtual machines are placed in a single fault domain.

Your organization plans to host an online event expected to increase traffic to the application by tenfold. Which scaling method should you implement to ensure availability and performance?. Vertical scaling by upgrading to the largest VM size. Implementing a fixed number of large VMs. Horizontal scaling with autoscaling enabled.

Your company plans to deploy a global application that experiences varying traffic patterns. Which Azure solution should be used to automatically adjust the number of running instances based on current demand?. Azure Traffic Manager. Azure Blob Storage. Azure Virtual Machine Scale Sets.

Your organization needs to ensure its web application automatically adjusts to variable traffic, reducing instances during low demand and increasing during high demand. Which Azure feature should be implemented?. Azure Site Recovery. Azure Virtual Machine Scale Sets with autoscale. Manual vertical scaling.

What is the significance of configuring multiple update domains in an Azure deployment?. It guarantees that no virtual machine will experience downtime. It ensures that only a portion of the virtual machines are updated at a time. It allows for simultaneous updates across all virtual machines.

A company notices that their application is not scaling out as expected during peak hours. What could be a potential reason for this issue in Azure Virtual Machine Scale Sets?. The maximum instance count is set too low in the autoscale configuration. The virtual machine instances are set to manually scale. The autoscale rules are configured with too low a CPU threshold for scaling out.

8. What is a defining characteristic of Azure availability zones in comparison to availability sets?. Availability zones provide physical separation of resources within a region. Availability zones distribute VMs across fault and update domains within a datacenter. Availability zones require all VMs to be identical.

In a deployment with two fault domains, what is the purpose of separating virtual machines across these domains?. To minimize the impact of hardware failures on the application. To maintain consistent latency across all virtual machines. To ensure that all virtual machines are rebooted simultaneously during updates.

Your company is designing a new application that must remain operational even if an entire Azure datacenter fails. Which strategy should be employed to meet this requirement?. Distribute application components across multiple availability zones within a region. Implement a single availability set for all application components. Use Azure Load Balancer to manage application traffic.

For a resource-intensive analytics application requiring quick scaling to accommodate data processing spikes, which scaling strategy is more appropriate?. Horizontal scaling to leverage multiple VM instances. Switching to a smaller VM with more storage. Vertical scaling by using high-performance VMs.

Which configuration ensures that virtual machines are distributed across multiple physical servers and network switches to avoid single points of failure?. Deployment within a single update domain. Deployment using a single fault domain. Deployment using an availability set.

Which of the following is a limitation of vertical scaling compared to horizontal scaling when managing virtual machine resources?. Limited by maximum hardware capacity. Requires more complex load balancing solutions. Increases the number of VM instances.

Which scenario would best benefit from horizontal scaling instead of vertical scaling?. An application requiring more CPU power for complex computations. A database server needing more storage capacity. A web service needing to handle increasing numbers of simultaneous user requests.

If a virtual machine hosting a memory-intensive application needs to accommodate growing data loads, which scaling method should be prioritized to improve performance?. Vertical scaling by increasing RAM. Horizontal scaling with additional VMs. Horizontal scaling by adding more CPUs.

Your company needs to ensure high availability for its critical application with minimal data center failures. Which Azure feature should you implement?. Availability Sets. Update Domains. Availability Zones.

Which scenario would benefit most from implementing Azure Virtual Machine Scale Sets?. A legacy application with fixed resource requirements. A web application that experiences variable user traffic throughout the week. An application requiring a single instance for dedicated processing.

Which scaling method is best for a growing startup needing to maintain low costs while gradually increasing its compute capacity?. Horizontal scaling with spot instances. Vertical scaling to the largest available VM size. Maintaining a fixed number of small VMs.

Your organization needs to scale its database layer to accommodate a larger number of read operations without impacting the performance of write operations. Which scaling strategy should be considered?. Vertical scaling by increasing the database server's memory. Deploying additional database servers for write operations. Horizontal scaling by adding read replicas.

Which statement accurately describes the role of fault domains in Azure's availability set configuration?. Fault domains provide automatic load balancing across VMs within a datacenter. Fault domains manage sequential updates to virtual machines during planned maintenance. Fault domains ensure VMs are distributed across different physical racks to avoid single points of failure.

Which Azure feature should be used to ensure that a group of virtual machines remains available even if a specific data center within a region fails?. Fault Domains. Availability Zones. Availability Sets.