System Administration Flashcards
(19 cards)
Cloud computeing
The concept and technological approach of accessing data, using applications, storing files, etc. from anywhere in the world as long as you have an internet connection
Data center:
A facility that stores hundreds, if not thousands of servers.
Deployment:
Hardware is set up so that the employee can do their job
IT Infrastructure
The software, hardware, network, and services required for an organization to operate in an enterprise IT environment
KVM Switch:
Keyboard, video, & mouse switch that looks like a hub that you can connect multiple computers to and control using one keyboard, mouse, and monitor.
Procurment:
Hardware is purchase or reused for an employee
Production:
The parts of the infrastructure where certain services are executed and serve to its users production
Reproduction case:
Recreating an error to test a solution to make sure the problem is resolved
Retirement:
Hardware becomes unusable or no longer needed, and needs to be properly removed from the fleet
Rollback:
Reverting to the previous state before you made changes
Secondary or stand-by machine:
A machine that is the same as a production machine, but won’t receive any traffic from actual users until enabled
Server:
Software or a machine that provides services to other software or machines
System Administration:
The field in IT that is responsible for maintaining reliable computer systems, in a Multi-user environment
Test environment:
A virtual machine running the same configuration as a production environment.
Domain Name System (DNS):
A global and highly distributed network service that resolves strings of letters, such as a website name, into an IP address
Intranet:
An internal network inside a company, accessible if you are on a company’s network
NTP:
Network Time Protocol, keeping clocks synchronized on machines connected to a network
Proxy sever:
An intermediary between a company’s network and the Internet, receiving network traffic and relaying that information to the company network.
Server operating systems:
Operating systems that are optimized for server functionality
