Question 210 A SaaS application becomes unavailable because its vendor's backend platform has an outage. Which operational boundary primarily applies? The SaaS provider operates and repairs its application infrastructure Each customer must patch the vendor's virtual hosts The customer must buy the provider's datacenter building Assume the SaaS provider guarantees zero downtime with no user recovery process Explanation Correct Answer A:The vendor maintains the hosted service while tenants may still need continuity plans. Incorrect Answers B:SaaS tenants lack host OS administration. C:SaaS is a consumption service, not property ownership. D:A hosted application may still be unavailable; business continuity and data-export planning remain important.
Question 211 An enterprise connects its SaaS platform to an existing corporate identity system. Which responsibility remains with the enterprise? Manufacturing network switches for the SaaS datacenter Replacing the provider's virtual machine hypervisor Configuring authorized tenant identities and integration policies Writing the provider's standard application binary updates Explanation Correct Answer C:The SaaS vendor maintains hosting, but customer identity integration still needs governance. Incorrect Answers A:Hardware manufacturing is not identity integration. B:Tenant administrators do not control host virtualization. D:The vendor distributes its application releases.
Question 212 A team needs a highly specialized custom transaction engine with arbitrary backend code and OS extensions. Why might a standard off-the-shelf SaaS product be insufficient? Hosted applications are never reachable over the internet A SaaS subscription automatically includes a customer-run datacenter SaaS always permits unlimited changes to its vendor source code SaaS exposes supported application features rather than arbitrary custom host implementations Explanation Correct Answer D:A custom PaaS or IaaS application may better fit unique logic and OS needs. Incorrect Answers A:SaaS commonly uses network access. B:Hosted application access does not create owned infrastructure. C:Tenant customization boundaries are product-specific.
Question 213 A manager compares IaaS, PaaS and SaaS. In which model does the customer generally retain the greatest guest OS control? Infrastructure as a service A software license installed on a laptop as the cloud service model Platform as a service Software as a service Explanation Correct Answer A:IaaS exposes tenant-managed virtual machines and guest operating systems. Incorrect Answers B:A standalone local license is not the IaaS guest control model. C:PaaS abstracts the underlying runtime and host management. D:SaaS normally exposes a finished app, not host OS controls.
Question 214 A project wants to consume a ready-to-use application rather than write or host its own code. Which model best fits? Platform as a service A privately owned network switch Infrastructure as a service Software as a service Explanation Correct Answer D:SaaS supplies application functionality maintained by its provider. Incorrect Answers A:PaaS supplies a development/runtime platform rather than a complete finished business app. B:Networking equipment does not provide a hosted application. C:IaaS supplies compute primitives that require the tenant to deploy software.
Question 215 A team requires full control of installed system middleware, guest configuration and patch windows. Which model should it examine first? Software as a service Treat a storage-only subscription as a managed application and middleware runtime Infrastructure as a service Platform as a service Explanation Correct Answer C:Virtual machines provide the OS administration needed for unusual middleware. Incorrect Answers A:A finished SaaS app does not permit arbitrary host changes. B:Storage services do not by themselves supply the complete custom web middleware execution environment. D:A managed runtime restricts the guest OS administration boundary.
Question 216 A legal department wants a hosted document management application with vendor-maintained features. Which model meets the requirement with least custom development? Infrastructure as a service Public IP address allocation Platform as a service Software as a service Explanation Correct Answer D:A ready-made vendor application avoids building a document management system from scratch. Incorrect Answers A:VMs require deploying and maintaining the application stack. B:An address is not a document management application. C:PaaS still needs the team's own application code.
Question 217 A dev team has its own Python web application and wants managed deployment and runtime support. Which model is closest? Platform as a service Software as a service Infrastructure as a service with manual guest administration A hardware colocation rental Explanation Correct Answer A:PaaS lets developers deliver custom code while the provider operates hosting infrastructure. Incorrect Answers B:SaaS consumes a vendor application rather than deploying arbitrary custom Python code. C:IaaS can run code but requires additional OS operations. D:Rented rack space does not abstract runtime management.
Question 218 A security officer asks who patches the guest OS on a customer-managed Azure VM. Under which model is that tenant responsibility most prominent? Platform as a service Infrastructure as a service Software as a service A finished hosted application license Explanation Correct Answer B:The tenant controls VM operating systems and associated maintenance in IaaS. Incorrect Answers A:PaaS delegates underlying runtime host patching to the provider. C:The SaaS vendor maintains its host OS. D:An application subscription does not create guest OS maintenance duties.
Question 219 An organization uses Azure VM hosting, a managed database, and a SaaS CRM. Which responsibility persists across all three service models? Patching the provider's hypervisors in every model Installing all SaaS application feature updates manually Protecting and governing the organization's business data Replacing physical disks in every provider datacenter Explanation Correct Answer C:Customers remain accountable for permissions and applicable policies across service types. Incorrect Answers A:Host virtualization is managed by the provider. B:SaaS vendor software maintenance is provider-owned. D:Physical maintenance is provider-operated across models.
Question 220 A team wants to run its own code but is willing to accept service-imposed runtime restrictions in exchange for less server administration. Which model fits? Infrastructure as a service requiring full guest administration Private-owned bare metal without managed hosting Software as a service for a vendor's complete product Platform as a service Explanation Correct Answer D:PaaS trades host control for managed application execution and deployment. Incorrect Answers A:IaaS gives more control but more maintenance burden. B:Owning a server increases infrastructure duties. C:SaaS does not expose a general platform for custom application code.
