AZ-900 Certification 2 — Questions and Answers
Question 1: Which cloud model lets you rent virtual machines, storage, and networking while you manage the OS and applications?
- IaaS (Correct answer)
- PaaS
- SaaS
- FaaS
Correct answer: IaaS
Infrastructure as a Service provides compute, storage, and networking, leaving OS and app management to you.
Question 2: What pricing model charges you only for the resources you actually use?
- Consumption-based pricing (Correct answer)
- Flat monthly licensing
- Perpetual licensing
- Tiered support pricing
Correct answer: Consumption-based pricing
Consumption-based (pay-as-you-go) pricing charges only for resources consumed.
Question 3: Which Azure offering is a fully managed Platform as a Service for hosting web applications?
- Azure App Service (Correct answer)
- Azure Virtual Machines
- Azure Blob Storage
- Azure DNS
Correct answer: Azure App Service
Azure App Service is a PaaS for building and hosting web apps without managing infrastructure.
Question 4: What is the primary benefit of cloud elasticity?
- Automatically scaling resources to match demand (Correct answer)
- Eliminating all costs
- Removing the need for security
- Guaranteeing zero downtime forever
Correct answer: Automatically scaling resources to match demand
Elasticity allows resources to scale up or down automatically with demand.
Question 5: Which Azure service provides serverless event-driven compute that runs code without managing servers?
- Azure Functions (Correct answer)
- Azure VM Scale Sets
- Azure Bastion
- Azure Monitor
Correct answer: Azure Functions
Azure Functions runs small pieces of code (functions) in a serverless, event-driven model.
Question 6: What does a Service Level Agreement (SLA) in Azure define?
- The guaranteed uptime and connectivity commitments (Correct answer)
- The monthly price of a service
- The number of users allowed
- The data center physical address
Correct answer: The guaranteed uptime and connectivity commitments
An SLA defines the performance and uptime guarantees Microsoft commits to for a service.
Question 7: Which cloud deployment model combines on-premises infrastructure with public cloud resources?
- Hybrid cloud (Correct answer)
- Public cloud
- Private cloud
- Community cloud
Correct answer: Hybrid cloud
A hybrid cloud connects on-premises (private) infrastructure with public cloud services.
AZ-900 Certification 2
Which cloud model lets you rent virtual machines, storage, and networking while you manage the OS and applications?