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 is a key benefit of the consumption-based model in cloud computing?. Follow @CertPunch and visit certpunch.com for more certification practice exams and study content.
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What you will practice
- What is a key benefit of the consumption-based model in cloud computing?
- What is the primary purpose of an Azure resource group?
- What is the primary benefit of high availability in cloud computing?
- What is the primary purpose of an availability set in Azure?
- What is the primary purpose of a virtual machine scale set in Azure?
- Which of the following statements about Azure resource groups is true?
Answers and explanations
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Q1. What is a key benefit of the consumption-based model in cloud computing?
Answer: D. Pay-as-you-go pricing
The consumption-based model charges users based strictly on actual resource usage, known as pay-as-you-go pricing. This eliminates fixed monthly costs and upfront hardware purchases, providing flexible cost management for variable workloads.
Q2. What is the primary purpose of an Azure resource group?
Answer: A. To group related Azure resources together for management and deployment.
A resource group acts as a logical container holding related Azure resources for easier management and deployment. Subscriptions actually contain resource groups, not the other way around, helping administrators organize assets effectively.
Q3. What is the primary benefit of high availability in cloud computing?
Answer: D. Minimizes downtime and ensures continuous service
High availability minimizes downtime by utilizing redundant systems and failover mechanisms to ensure continuous service. This guarantees users seamless access during localized failures, directly supporting strict service level agreements.
Q4. What is the primary purpose of an availability set in Azure?
Answer: D. To protect against single points of failure
An availability set protects virtual machines from local hardware failures by distributing them across multiple fault and update domains. Options mentioning data redundancy or application load balancing confuse availability sets with storage or load balancers.
Q5. What is the primary purpose of a virtual machine scale set in Azure?
Answer: B. To automatically scale virtual machines based on demand
Virtual machine scale sets automatically scale virtual machine instances based on demand to handle varying workloads efficiently. Grouping VMs for simple management or data redundancy describes other Azure features like availability sets or managed disks.
Q6. Which of the following statements about Azure resource groups is true?
Answer: C. A resource group can contain resources from multiple Azure regions.
A resource group is a logical container that can hold resources from multiple different Azure regions. Remember that resources must belong to exactly one subscription, as a resource group cannot span across multiple subscriptions.
Q7. Which of the following best describes the benefit of elasticity in cloud services like Microsoft Azure?
Answer: D. The ability to automatically scale resources up or down based on demand.
Elasticity allows cloud resources to automatically scale up or down based on current demand. This ensures optimal performance during peak loads while minimizing costs during quiet periods by removing the need for overprovisioning.
Q8. Which of the following is a key principle of the Zero Trust security model?
Answer: B. Verify explicitly and enforce least-privilege access for all users and devices.
Verifying explicitly and enforcing least-privilege access are core principles of the Zero Trust security model. Never trust based on network location; always authenticate and authorize explicitly, which rules out trusting users inside the perimeter.
Q9. Fill in the blank: Cloud computing is a model of delivering IT services such as computing, networking and storage over the Internet on a _____________ basis.
Answer: B. pay-as-you-go
The pay-as-you-go model allows users to pay for the resources they consume on a flexible, as-needed basis. It eliminates long-term commitments or upfront capital expenses, distinguishing cloud computing from traditional hosting.
Q10. Fill in the blank: __________ refers to the policies, processes, and controls that organizations implement to ensure that their cloud computing initiatives align with their overall business objectives and risk management strategies.
Answer: B. Governance
Governance establishes the integrated framework of policies and controls to keep cloud initiatives aligned with business rules and compliance. Manageability focuses purely on operational tasks, lacking the strategic oversight of governance.
Q11. Which Azure Storage access tier is optimized, including for cost, for data accessed infrequently and stored for at least 30 days?
Answer: C. Cool access tier
The Cool tier optimizes costs for infrequently accessed data with a minimum 30-day storage period. The Archive tier is cheaper but designed for long-term retention starting at 180 days, making Cool the best fit here.
Q12. Which of the following is a key difference between Microsoft Entra B2B and Microsoft Entra B2C?
Answer: A. B2B is for business-to-business collaboration, while B2C is for business-to-customer interactions.
B2B facilitates business-to-business collaboration by letting external partners use their own identities. B2C supports business-to-customer applications by letting consumers sign in using their preferred social or local accounts.
Q13. What is the primary purpose of Microsoft Entra ID?
Answer: D. To manage user identities and access to applications and resources
Microsoft Entra ID manages user identities and secures access to applications and resources using authentication and authorization. While it offers domain services, its primary purpose remains identity management.
Q14. Which storage option should you choose if you need the absolute highest performance, regardless of cost, for intense workloads like SAP HANA or transaction-heavy applications?
Answer: B. Ultra Disks
Azure Ultra Disks deliver the highest performance and are designed for data-intensive workloads like SAP HANA. Premium SSDs are also high performance, but Ultra Disks provide the lowest latency and highest throughput limits available.
Q15. What is the primary purpose of tags in Azure?
Answer: B. To categorize and organize resources for better management
Tags are used to logically organize and categorize Azure resources for management and billing. Security permissions are managed using Azure role-based access control, while monitoring is handled by Azure Monitor.
Q16. Which compute type offers the greatest flexibility and control over the underlying environment, allowing you to customize it to your specific needs?
Answer: D. Virtual Machine
Virtual machines provide the greatest administrative control because you manage the operating system and software. Serverless and container solutions abstract the underlying operating system, reducing your management overhead.
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