Practice Test 17 Flashcards
What is the difference between IaaS and PaaS?
IaaS is just the hardware were as PaaS is both the hardware and the Operating system
In terms of cloud computing, what does the term “Metered Service” mean?
Metered Service means that you PAY for X amount and receive X amount of cloud resources (pay per use). You are allotted a certain amount
In terms of cloud computing, what does the term “Measured Service” mean?
Metered Service means that you USE X amount and pay X amount for cloud resources (pay as you go)
What refers to a cloud computing feature that allows for automatic allocation of computing resources in proportion to immediate demand?
Rapid Elasticity
What is a persistent VDI (Virtual Desktop Image)?
A Persistent VDI is a Virtual Desktop were the image is saved after a login, and may be accessed intermittently
What is a Non-Persistent VDI (Virtual Desktop Interface)?
A Non-Persistent VDI is a Virtual Desktop that relies on a master image to boot to, and when a session is ended a new one will result in the boot image being returned to
What does DaaS stand for?
Desktop as a Service
With Virtualization, what is a program that manages operating systems called?
Hypervisor
What is Sandboxing?
It is a method used to describe a way in which untrustworthy code is ran in isolation, to verify its benevolence
What components would a virtualization hosting workstation require for optimal performance?
A Large and Fast Storage Drive, Maximum RAM and Maximum CPU Cores
What are the intel CPU set of HAV (Hardware Aided/Assisted Virtualization) enhancements called?
VT-X
What are the AMD set of HAV (Hardware Aided/Assisted Virtualization) enhancements called?
AMD-V
What does the term ‘VM Sprawl’ refer to?
It refers to a when an administrator can no longer effectively control and manage all the virtual machines on a network
What does the term ‘VM Escape’ refer to?
It refers to the process of a VM breaking out of the boundaries of a guest operating system installation to access the primary hypervisor controlling al the VMs on the host machine
What are the Countermeasures against a VM Escape?
Sandboxing and Patch Managment