Container Versus Virtual Machine JN0-214 Practice Questions (Page 2)

Questions 6–10

1. 6foundation · easy

   Which statement correctly defines a virtual machine?

   • AA physical server partitioned into multiple logical servers using a hypervisor.
   • BA process-level isolation mechanism that runs directly on the host OS.
   • CA lightweight runtime that shares the host OS kernel.
   • DA full emulation of a computer system with its own guest OS, running on virtualized hardware.
   Reveal Solution Discussion Select an answer first
2. 7foundation · easy

   Why do containers have lower performance overhead compared to virtual machines?

   • AThey do not require a guest OS or hypervisor.
   • BThey use a lightweight hypervisor.
   • CThey use a hypervisor for faster I/O.
   • DThey allocate dedicated hardware resources.
   Reveal Solution Discussion Select an answer first
4. 8foundation · easy

   Which use case is most appropriate for a virtual machine?

   • AAchieving lower performance overhead for a stateless web service
   • BRunning multiple different operating systems on a single physical host
   • CRunning a microservices application with independent scaling
   • DPackaging an application with its dependencies for portability
   Reveal Solution Discussion Select an answer first
5. 9foundation · easy

   Which technology provides hardware-level isolation, making it more suitable for running untrusted code?

   • ABare-metal server
   • BLinux namespace
   • CContainer
   • DVirtual machine
   Reveal Solution Discussion Select an answer first
6. 10foundation · easy

   Why are containers generally more efficient in resource utilization compared to virtual machines?

   • AThey use a hypervisor to optimize CPU scheduling.
   • BThey allocate dedicated physical CPUs to each application.
   • CThey share the host OS kernel, reducing duplicate OS overhead.
   • DThey require more memory to store the guest OS.
   Reveal Solution Discussion Select an answer first