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Everything-You-Need-to-Know-About-Azure-IaaS-for-Technical-Interviews.pptx

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Everything-You-Need-to-Know-About-Azure-IaaS-for-Technical-Interviews.pptx

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  1. Everything You Need to Know About Azure IaaS for Technical Interviews Cloud computing is everywhere, and Microsoft Azure is leading the industry. For cloud, DevOps, or Infrastructure roles, you must articulate how Infrastructure as a Service (IaaS) benefits businesses. This presentation will help you not only answer questions but impress your interviewer!

  2. What is Azure IaaS? IaaS PaaS SaaS Vendor provides virtualized computing resources. You manage VMs, storage, and networks while Azure manages the hardware. Cloud environment for developers to build applications without managing servers. Delivery of applications as a service (Microsoft 365, Dropbox). IaaS PaaS SaaS Like renting an empty apartment. You decide on everything from furniture to colors to layout. Like renting a furnished apartment. Everything is there, just you to decorate. Like checking into a hotel. They did all the work—your job is simply to use it.

  3. Core Components of Azure IaaS Azure IaaS is not just virtual machines - it's a complete ecosystem: Virtual Machines Networking Storage Run Windows or Linux in the cloud. Different VM series (compute-optimized, memory-optimized, GPU-enabled). Examples: D-Series (general purpose), N-Series (AI/ML). Virtual Networks (VNets), Network Security Groups (NSGs), Load Balancers, Application Gateways, VPN Gateway & ExpressRoute. Blob storage, Disk Storage, File Storage, Archive Storage for infrequently accessed content. Interview tip: Instead of listing components, connect them. For example: "A VM inside a VNet secured by NSGs, connected to Blob Storage with access managed through Azure AD" demonstrates deeper understanding.

  4. Key Features and Benefits of Azure IaaS Scalability Resources can be scaled instantly in either direction. Ideal for e-commerce companies with seasonal spikes. Cost-Effectiveness Pay-as-you-go model helps avoid upfront hardware costs. Global Reach Deploy resources across the globe with data centers in various regions. Security & Compliance Over 100 compliance certifications, robust security with encryption, Defender for Cloud, and DDoS protection. Example response: "If you are a business with unforeseen traffic, IaaS can scale infrastructure automatically, without having to purchase new servers."

  5. Common Use Cases of Azure IaaS Enterprise Applications Big Data Analytics Securely host ERP or CRM tools Process petabytes with VM Clusters Development & Test Disaster Recovery Quickly deploy environments without hardware costs Backup and restore to minimize downtime Website Hosting AI/ML Workloads Scalable hosting with load balancing GPU-enabled VMs for heavy computations If you've deployed a sample VM or played with test projects, definitely mention it. Recruiters value real hands-on experience.

  6. Azure IaaS Architecture: How It Works Even if you can't draw a diagram in the interview, you should be able to speak through this logical flow. Bonus points for mentioning automation through Azure Resource Manager (ARM) templates or Terraform!

  7. Azure IaaS vs. On-Premises Infrastructure On-Premises Azure IaaS • High upfront cost for servers, power, and cooling • Minimal upfront cost—pay only for what you use • Manual scaling requires buying more hardware • Scale in minutes with autoscaling features • In-house security and compliance responsibility • Shared responsibility model for security • Weeks to upgrade capacity • Minutes to scale a VM This comparison tests both technical and strategic thinking in interviews.

  8. Most Common Azure IaaS Interview Questions What is Azure IaaS, and how does it differ from PaaS/SaaS? How do you secure an Azure VM? By configuring NSGs, RBAC, Azure Firewall, and enabling Defender for Cloud. IaaS provides infrastructure control; PaaS simplifies development; SaaS delivers ready-to-use software. What's the difference between managed and unmanaged disks? What is a VNet? Why is it important? A logically isolated network that ensures secure communication between Azure resources. Managed: Azure handles storage automatically. Unmanaged: You manage the storage accounts. Tips to Ace Your Interview • Get hands-on practice: Deploy a VM, configure a VNet • Use simple analogies: VNet as a "private neighborhood" • Think aloud during scenario questions • Review certifications: AZ-104 and AZ-305

  9. Why Azure IaaS Skills Matter for Your Career Azure is one of the top two cloud providers, and businesses are migrating fast. Demand for Azure talent is exploding. Roles requiring IaaS knowledge: • Cloud Engineer • Azure Administrator • DevOps Engineer • Solutions Architect Cloud professionals often earn 30–40% higher than traditional IT roles. Azure IaaS is more than a subject; it is the foundation of cloud expertise. Your interview success begins with strong command of these core fundamentals.

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