5.4 Define Common Cloud Terms (e.g., Hosted, Virtualization, Virtual Machine, Container, Microservice, API) CYBERSECURITY-APPRENTICE Practice Questions (Page 4)

Questions 16–20

1. 16application · medium

   A data center administrator needs to run three different operating systems on a single physical server to consolidate hardware costs. The administrator installs software that creates isolated environments, each with its own virtual CPU, memory, and storage, allowing all three OSes to run concurrently. What is the administrator implementing?

   • AHosting
   • BMicroservices
   • CAPI
   • DVirtualization
   Reveal Solution Discussion Select an answer first
2. 17foundation · easy

   What is a key difference between a hosted service and an on-premises solution?

   • AHosted services require the customer to purchase and maintain physical servers.
   • BHosted services cannot be customized to meet specific business needs.
   • COn-premises solutions are always less secure than hosted services.
   • DHosted services are accessed over a network and managed by an external provider.
   Reveal Solution Discussion Select an answer first
4. 18expert · hard

   A company has a monolithic application that is difficult to scale. The team wants to refactor it into smaller, independently deployable components. Each component will be packaged with its dependencies and run in an isolated user space on a shared kernel. The team also wants to minimize resource overhead and startup time. Which combination of concepts should the team apply?

   • AHosted services with APIs
   • BVirtual machines with a hypervisor
   • CContainers with a hypervisor
   • DMicroservices architecture with containers
   Reveal Solution Discussion Select an answer first
5. 19foundation · easy

   Which statement best describes virtualization?

   • AIt creates a logical representation of physical resources, allowing multiple isolated environments to share the same hardware.
   • BIt duplicates physical hardware so each application gets its own dedicated server.
   • CIt converts logical resources into physical hardware to improve performance.
   • DIt replaces physical servers with cloud-based services that require no underlying hardware.
   Reveal Solution Discussion Select an answer first
6. 20foundation · easy

   What is an API?

   • AA type of virtual machine that runs in the cloud.
   • BA programming language used to build cloud applications.
   • CA set of rules that allows software applications to communicate with each other.
   • DA physical interface that connects two servers.
   Reveal Solution Discussion Select an answer first