Practice for the Microsoft Azure Fundamentals (AZ-900) exam with 16 exam-style practice questions, instant answer reveals, and concise explanations of every correct answer. Topics include: What software is used to synchronize your on premises AD with your Azure AD?. Follow @CertPunch and visit certpunch.com for more certification practice exams and study content.
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What you will practice
- What software is used to synchronize your on premises AD with your Azure AD?
- What is the name of the collective set of APIs that provide machine learning and artificial intelligence serv…
- Which Azure management tool analyzes your usage of Azure and makes suggestions specifically targeted to help…
- Deploying Azure App Services applications consists of what two components? Pick two.
- What advantage does an Application Gateway have over a Load Balancer?
- What is an Azure Subscription?
Answers and explanations
Tap a question to expand the answer and the exam reasoning. Try to commit to your own pick first.
Q1. What software is used to synchronize your on premises AD with your Azure AD?
Answer: D. AD Connect
Microsoft Entra Connect, formerly Azure AD Connect, synchronizes your on-premises identities directly to the cloud. Federation Services or Domain Services serve different purposes and do not handle this core synchronization task.
Q2. What is the name of the collective set of APIs that provide machine learning and artificial intelligence services to your own applications like voice recognition, image tagging, and chat bot?
Answer: B. Azure AI services (formerly Cognitive Services)
Azure AI services provide prebuilt application programming interfaces for capabilities like image recognition and voice processing. Azure Machine Learning Studio is a workspace for data scientists building custom models from scratch.
Q3. Which Azure management tool analyzes your usage of Azure and makes suggestions specifically targeted to help you optimize your usage of Azure regarding cost, security and performance?
Answer: A. Azure Advisor
Azure Advisor evaluates your Azure resources and provides recommendations to improve cost, security, performance, and reliability. Azure Service Health is a strong distractor, but it tracks outages and maintenance rather than providing optimization suggestions.
Q4. Deploying Azure App Services applications consists of what two components? Pick two.
Answer: A,C. Configuration || Packaged code
Azure App Service is a platform as a service offering where you deploy your packaged code and configuration. Microsoft handles the underlying operating system, networking, and infrastructure updates. Database scripts are separate data components.
Q5. What advantage does an Application Gateway have over a Load Balancer?
Answer: B. Application gateway understands the HTTP protocol and can interpret the URL and make decisions based on the URL.
Application Gateway is a layer seven load balancer capable of inspecting HTTP requests and making routing decisions based on URL paths. Standard Azure Load Balancers operate at layer four and route traffic based solely on IP addresses and ports.
Q6. What is an Azure Subscription?
Answer: B. It is the level at which services are billed. All resources created under a subscription are billed to that subscription.
An Azure subscription acts as a logical container that groups resources and establishes billing boundaries. Any resources deployed within a specific subscription generate charges billed directly to that subscription's payment method.
Q7. Where can you go to see what standards Microsoft is in compliance with?
Answer: C. Trust Center
The Microsoft Trust Center is the designated destination for reviewing compliance standards that Microsoft adheres to across its cloud services. While Azure Service Center or Microsoft Defender for Cloud help manage your specific resources, they do not host the overarching official compliance certification reports.
Q8. What does it mean if a service is in Private Preview mode?
Answer: B. You have to apply to get selected in order to use that service
Private Preview features require an application process and explicit approval before they can be accessed. Remember the progression: public previews are open to everyone, while general availability guarantees production support and service level agreements.
Q9. Which of the following would be an example of an Internet of Things (IoT) device?
Answer: C. A refrigerator that monitors how much milk you have left and sends you a text message when you are running low
An Internet of Things device is specialized hardware with sensors that collects data and interacts with the physical world, like a smart appliance. Standard computing devices such as laptops, mobile phones, or virtual machines hosting web applications do not count as IoT devices.
Q10. What is a policy initiative in Azure?
Answer: D. The ability to group policies together
An initiative in Azure Policy is simply a collection of individual policy definitions grouped together for easier management and assignment. This concept is highly similar to how resource groups bundle individual resources, rather than dictating specific permissions or tags.
Q11. What two advantages does cloud computing elasticity give to you? Pick two.
Answer: A,D. You can save money. || You can serve users better during peak traffic periods by automatically adding more capacity.
Elasticity provides cost savings by automatically scaling resources down during low demand, while ensuring performance by automatically scaling up during peak traffic. It is distinct from high availability, which focuses on uptime and surviving hardware failures rather than dynamic capacity adjustments.
Q12. What is the core problem that you need to solve in order to have a high-availability application?
Answer: A. You need to avoid single points of failure
High availability requires eliminating single points of failure through redundancy so that an individual component failure does not bring down the entire application. Although having backups is good practice, merely keeping a standby copy does not prevent an initial outage.
Q13. If you have an Azure free account, with a $200 credit for the first month, what happens when you reach the $200 limit?
Answer: D. All services are stopped and you must decide whether you want to convert to a paid account or not.
When you exhaust your free trial credit, Azure disables your resources and stops the services to prevent unexpected charges. You must upgrade to a paid tier to restart them, as Azure will not bill you automatically.
Q14. What does it mean that security is a "shared model" in Azure?
Answer: A. Both users and Azure have responsibilities for security.
The shared responsibility model means Microsoft secures the cloud infrastructure while the customer secures what they put in the cloud. The exact division of duties depends entirely on the service model, whether it is IaaS, PaaS, or SaaS.
Q15. Which Azure compute service allows you to run containerized applications without managing the underlying infrastructure?
Answer: B. Azure Container Instances
Azure Container Instances lets you run a container directly without provisioning or managing underlying virtual machines. While Azure Kubernetes Service also handles infrastructure, it is designed for complex orchestration rather than simple execution.
Q16. How many minutes per month downtime is 99.99% availability?
Answer: A. 4
An uptime of 99.99 percent allows for roughly 4.32 minutes of downtime per month, making 4 minutes the correct approximation. Remembering the 9s scale helps quickly calculate acceptable SLA downtime during the exam.
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