Microsoft Azure Architect Technologies (AZ-300) Practice Exam

Disable ads (and more) with a membership for a one time $2.99 payment

Prepare for the Microsoft Azure Architect Technologies Exam with comprehensive quizzes, flashcards, and simulated questions. Master the skills required to design solutions on Azure and earn your certification efficiently!

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

Practice this question and more.

Which action is essential when configuring a VM scale set?

Defining the instance size and number of instances
Setting up firewalls for network security
Creating backups of virtual machines
Deploying ARM templates

The correct answer is: Defining the instance size and number of instances

Defining the instance size and number of instances is a crucial action when configuring a VM scale set because VM scale sets are designed to provide high availability and scalability for applications. By specifying the instance size, you ensure that each virtual machine within the scale set has the appropriate amount of resources (CPU, memory, etc.) to handle the workload. Additionally, defining the number of instances allows you to control how many VMs are deployed to handle traffic and workloads, facilitating automatic scalability based on demand. This configuration is fundamental to effectively utilize the capabilities of VM scale sets, which are meant to manage and provide scaling of multiple VMs in unison. While setting up firewalls, creating backups, and deploying ARM templates are important considerations in the broader context of Azure infrastructure management, they are secondary to the operational parameters required to initially set up and configure a scale set for performance and scalability. These aspects can play a part in a holistic strategy, but they do not directly pertain to the initial configuration of a VM scale set where sizing and instance count take precedence.