Describe cloud concepts

AZ-900 · 85 questions

• A county parks department still runs every app in one basement server room and asks what "the cloud" means beyond someone else's computers. Which statement best defines cloud computing?
• A city clerk asks whether moving file shares to Azure still counts as cloud computing if staff keep using the same desktop apps. Which distinction best answers the clerk?
• A municipal GIS team hears "cloud" and thinks only of public SaaS email. Which statement correctly describes the breadth of cloud computing?
• A township board asks if buying a rack at a colocation facility is the same as adopting cloud computing. Which answer is most accurate?
• A public-works IT lead wants one sentence for council explaining how cloud differs from their current always-on servers. Which traits best capture that difference?
• A library consortium debates whether "cloud" requires Microsoft specifically. Which statement is correct?
• A city moves a virtual machine to Azure and assumes Microsoft now patches the guest OS and every application. Under the shared responsibility model for IaaS, which statement is correct?
• A parks portal will run as PaaS web apps, and staff argue that nobody needs to think about security anymore. What remains a customer duty under shared responsibility for PaaS?
• A mayor asks who is responsible if a SaaS HR system is misconfigured to expose employee records. Which answer aligns with shared responsibility?
• A county security board wants a simple picture of physical datacenter guards versus password policies under shared responsibility. Which mapping is correct?
• An auditor asks whether shared responsibility means a fixed 50/50 split between Microsoft and the city. Which statement is accurate?
• A wastewater SCADA vendor claims that adopting Azure removes all customer security work. How should the city respond using shared responsibility?
• A city wants citizens' permit data hosted on internet-facing Microsoft Azure. Which cloud model does that describe?
• A police records unit insists some systems must stay on city-owned hardware in a city-controlled facility. Which cloud model matches that requirement?
• A county keeps computer-aided dispatch on-premises but bursts seasonal tax portals into Azure. Which cloud model is that?
• Council confuses "private cloud" with renting a cage in someone else's datacenter. Which clarification is correct?
• A regional transit agency asks whether using only Azure with no on-premises systems can still be called hybrid cloud. What is the correct answer?
• A civic open-data team asks which three cloud models AZ-900 expects them to name. Which set is correct?
• A summer tourism site for a lakeside town needs inexpensive elastic capacity for only three peak months. Which cloud model best fits that use case?
• A court case-management system has strict residency and exclusive-control requirements that bar shared tenancy. Which model is the better fit?
• 911 radio logging must stay on-premises for latency and legacy gear, but analytics can run in Azure. Which cloud model should the city select?
• A small village with no datacenter staff wants email and collaboration without owning servers. Which approach best fits?
• A port authority wants gradual cloud adoption: keep cargo systems local and move websites first. Which model describes that pattern?
• A health-department lab insists every workload must be private cloud "to be safer," including a public event calendar. What is the sound fundamentals response?
• A city finance office is used to buying servers upfront and wants to know how Azure billing usually works instead. Which description is correct?
• A council member asks why a shut-down test virtual machine should cost less than a running one. Under a consumption-based cloud model, what best explains the difference?
• A utilities IT manager contrasts buying a five-year physical server with paying monthly for Azure capacity. Which statement correctly frames CapEx versus OpEx in a consumption-based cloud?
• A parks department fears that moving to the cloud means an unpredictable blank check. What does the consumption-based model itself actually mean?
• A grant-funded pilot must avoid owning leftover hardware after the grant ends. Why does a consumption-based public cloud fit that goal?
• A city runs steady 24/7 water-billing virtual machines and hears about reserved capacity versus pay-as-you-go. At a fundamentals level, how do those pricing approaches compare?
• A seasonal snow-removal dispatch app is idle most of the year and busy only during storms. Which pricing approach best fits that pattern at fundamentals depth?
• Finance asks whether “pricing models” on AZ-900 means negotiating a custom city contract only. What should the cloud lead clarify?
• A CIO asks how cloud pricing models relate to the consumption-based idea. Which explanation is accurate at fundamentals depth?
• Two towns compare Azure quotes: one wants month-to-month flexibility, and the other will commit for a lower rate. What trade-off do those pricing approaches illustrate?
• A city wants code to run when a citizen uploads a permit PDF, without managing a server operating system. Which cloud computing model fits that need?
• Staff hear “serverless” and assume there are literally no servers anywhere. What is the accurate fundamentals explanation?
• A library chat-bot only needs to run during open-hours traffic spikes. Why is serverless a good fit at fundamentals depth?
• A council IT slide lists virtual machines, containers, and serverless. How should serverless be placed relative to always-on VMs?
• An ops lead asks whether adopting serverless means the city has no security responsibility. What is the correct fundamentals distinction?
• A 311 intake webhook needs short functions to run on upload events. Which statement correctly describes serverless for this scenario without turning into developer configuration?
• A city website crashed on election night when traffic spiked. Which cloud benefits address staying up under failure and handling load growth?
• A parks reservation system needs more web capacity every summer Friday. Which cloud benefit describes adjusting capacity to that demand?
• A mayor asks what “high availability” means in plain language for the permitting portal. Which explanation is best?
• A county compares running everything on one big server versus using cloud scale-out. Which cloud benefit favors adding instances rather than only growing a single box?
• After a single rack failure killed on-premises apps, staff want cloud high availability. At describe depth, what does that benefit emphasize?
• A tourism app must survive traffic spikes without waiting a week for hardware purchasing. Which cloud benefit is primarily under test?
• A finance director asks how cloud helps the city know an app will meet uptime expectations. Which benefit theme fits at fundamentals depth?
• A planning department wants predictable performance for GIS map tiles during council meetings. Which cloud benefit theme addresses that need?
• Staff confuse reliability with security. How should those cloud benefit categories be separated?
• A city relies on cloud provider resiliency features and regional options for disaster readiness. How should that be framed as a cloud benefit at fundamentals depth?
• During budget season, a municipal finance lead wants cloud costs and capacity that trend in a more predictable way instead of surprise hardware spikes. Which cloud benefit theme best matches that goal?
• A county records archive must remain trustworthy so files do not silently corrupt over years of storage. Which cloud benefit does that requirement highlight?
• A city clerk assumes a public cloud is automatically less secure than paper files in a locked basement. Which statement best reflects a cloud security-and-governance benefit?
• A city attorney asks how adopting cloud can help the municipality apply standards and track compliance across resources. Which benefit theme should the briefing emphasize?
• Council hears that cloud offers security benefits and concludes Microsoft is responsible for everything the city does in Azure. Which clarification is accurate?
• A municipal cybersecurity board wants centralized identity and access patterns as part of moving workloads to the cloud. Which benefit does that goal illustrate?
• A grants office must show auditors who changed which cloud resources and when. Which cloud benefit theme does that need map to?
• A small town cannot afford enterprise-grade physical datacenter controls but can use a public cloud provider. Which security benefit does that illustrate?
• A two-person town IT shop still patches and racks dozens of on-premises servers by hand. Which cloud benefit are they missing most in that picture?
• A city wants to deploy the same web app to test and production with less manual clicking each release. Which cloud benefit does that goal emphasize?
• Staff ask whether the manageability benefit of cloud means the city no longer needs skilled administrators. Which response is accurate?
• A public-works director wants to manage Azure resources from any site office through a web browser instead of driving to a single server room console. Which benefit is that?
• After moving workloads to Azure, the city scales day-to-day operations with scripts and policies instead of walking rack by rack. Which cloud benefit does that change describe?
• A county must lift a legacy licensing server that needs a full Windows operating system the county controls. Which cloud service type fits that requirement?
• Council asks for a simple diagram: which cloud service type is closest to renting infrastructure while the city still manages the operating system?
• City IT still patches the guest operating system on Azure virtual machines every month. What does that ongoing duty indicate about the service type?
• A museum digitization cluster needs custom kernel modules that require deep operating-system control. Among IaaS, PaaS, and SaaS, which service type fits?
• Staff ask whether Infrastructure as a Service means the city buys physical servers from Microsoft. Which statement is correct?
• Developers want to deploy a city grants web application without managing the underlying web-server operating system. Which cloud service type should they choose?
• A civic hackathon uses a managed database service so teams do not patch database servers themselves. At fundamentals depth, which service type does that example represent?
• On IaaS the city installed and patched IIS itself; on Azure App Service the team deploys application code without managing that web-server OS. What does the App Service approach illustrate?
• A product owner asks whether Platform as a Service means the team cannot configure anything at all. Which clarification is accurate?
• Staff hear that serverless functions are often discussed near Platform as a Service and ask what PaaS means at a fundamentals level. Which definition is best?
• HR adopts a cloud payroll application that staff use in a browser with no servers for HR to manage. Which cloud service type is that?
• City staff use cloud email similar to Microsoft 365 through a client, with no municipal servers to run for that mailbox service. Which service type should candidates identify?
• A parks recreation desk wants ready-to-use scheduling software and does not want to install servers or deploy web apps themselves. Which cloud service type best fits that need?
• A clerk asks how using vendor SaaS for a citizen portal differs from building a custom portal on virtual machines. Which contrast is accurate?
• A city adopts a vendor's multi-tenant 311 mobile app as SaaS. Which characteristic best describes that model?
• Public works must lift-and-shift a legacy permit binary that requires a specific operating system image. Which cloud service type best fits that use case?
• Streetlight engineering wants a new internal API for sensor data and prefers managed hosting so developers write code without managing operating systems. Which cloud service type best fits?
• The mayor wants citywide email and document collaboration without building those apps on municipal servers. Which cloud service type best matches that use case?
• Emergency radio staff need maximum control of the networking stack and operating system for a specialized radio gateway. Which cloud service type should they choose?
• A water-quality team wants a data science notebook environment managed by the platform so analysts build models without administering servers. Which service type best describes that use case?
• Economic development needs a standard CRM and a vendor SaaS product already meets the requirements. Leadership proposes rewriting the same CRM on virtual machines instead. What is the sound fundamentals guidance?
• IT maps three workloads: a custom GIS web app on a managed app platform, citywide email from a vendor suite, and a legacy plotter server that needs a specific OS on a VM. Which mapping is correct?