Virtualization and Cloud: Hypervisors, SaaS, PaaS, IaaS, Hybrid, and On-Premises Models. IT-FUNDAMENTALS-ITF-CERTIFICATION Practice Questions (Page 4)

Questions 16–20

1. 16expert · hard

   A retail company runs its inventory system on a private cloud for low-latency access. During holiday sales, demand spikes dramatically, and the private cloud cannot handle the load. The company wants to use a public cloud for additional capacity but must ensure that customer data remains on-premises. Which solution best meets these requirements?

   • AUse a hybrid cloud with cloud bursting for compute, keeping data on-premises
   • BAdd more servers to the private cloud
   • CUse a public cloud with a VPN to the private cloud
   • DMove the entire inventory system to the public cloud
   Reveal Solution Discussion Select an answer first
2. 17application · medium

   A development team wants to deploy a web application without managing the underlying servers, operating systems, or scaling infrastructure. They need a platform that automatically handles load balancing and provides a built-in database service. Which cloud service model best fits this need?

   • AIaaS with manually configured VMs and a separate database VM
   • BSaaS with a ready-made web application
   • CPaaS with integrated load balancing and database services
   • DOn-premises with a dedicated server
   Reveal Solution Discussion Select an answer first
4. 18foundation · easy

   What is the main advantage of using Platform as a Service (PaaS) for application development?

   • AThe customer receives a fully finished application that is ready to use
   • BThe customer does not need to manage the underlying infrastructure, allowing them to focus on code
   • CThe customer must install and configure the operating system on virtual machines
   • DThe customer has full control over the physical hardware
   Reveal Solution Discussion Select an answer first
5. 19foundation · easy

   Which of the following is a typical characteristic of an on-premises IT deployment?

   • AThe provider automatically scales resources based on demand
   • BThe organization does not need to purchase any hardware
   • CThe organization has full control over the hardware and software but is responsible for all maintenance
   • DThe organization pays a monthly subscription for access to software
   Reveal Solution Discussion Select an answer first
6. 20application · medium

   A company needs to run a custom database application that requires full control over the operating system, including the ability to install specific drivers and configure kernel parameters. They want to rent the computing resources on demand and avoid purchasing physical hardware. Which cloud service model provides this level of control?

   • APaaS with a managed database platform
   • BSaaS with a database-as-a-service offering
   • CIaaS with a virtual machine
   • DOn-premises with dedicated hardware
   Reveal Solution Discussion Select an answer first