Ch. 12 - Vocab Flashcards
administrators
person who is responsible for the upkeep, configuration, and reliable operation of computer systems
application virtualization
also known as container virtualization
archive
retaining copies of data over extended periods of time to meet requirements to access past data
backup
process of making copies of data at regular intervals, allowing the recovery of lost data
chroot
restricts the server’s view of the file system to just a specified portion
container virtualization
runs on top of the host OS kernel and provides an isolated execution environment for applications
full virtualization
also known as type 1 virtualization
guest OS
runs on top of the hypervisor which supports a set of standard library functions and applications
hardening
process of securing a system by reducing its surface of vulnerability
hosted virtualization
also known as type 2 hypervisors
hypervisor
software that sits between the hardware and the VMs and acts as a resource broker
logging
recording either events that occur in an operating system or other software runs
native virtualization
also known as type 1 hypervisors
overlay network
abstracts higher level layers of a network from the underlying physical network
patches
a set of changes to a computer program or its supporting data designed to update, fix, or improve it
permissions
delegation of authority to perform security-relevant functions on a computer system
software defined network
enable network segments to logically span mutle servers between data centers
type 1 hypervisor
also known as native virtualization, can directly control the physical resources of the host
type 2 hypervisor
also known as hosted virtualization, it relies on the OS to handle all the hardware interactions
virtualization
provides an abstraction of the computing resources used by software, which runs in a simulated environment
