Disasters and How to Prevent them
a technology to store data across multiple storage devices for availability, reliability, redundancy, or performance improvement
Redundant Array of Independent Disks (RAID)
controls high speed access to the RAM and video card
northbridge
a printed circuit board that contains busses, or electrical pathways, that interconnects electronic components
motherboard
a device connected to a network
host device
wired network in a specific geographic location such as a home or business
LAN
a process with one or procedures regularly performed on a computer or network devices to reduce the likelihood of failure
preventative maintenance
when installing this component, use thermal paste to attach the heat sink
CPU
HTTP port number
80
provides translation of domain names to IP addresses
DNS server
a wireless network that uses radio waves to transmit data
WLAN
the data on a computer hard drive that is saved to another storage device
data backup
this component has levers to firmly lock it into the motherboard
RAM
step 1 of the 6 step troubleshooting process
identify the problem
forwards data based on MAC address
switch
a network that connects between two geographic areas such as two countries
WAN
a device used to protect a computer from brownouts and blackouts
surge protective devices
a memory chip on the motherboard that retains BIOS settings
CMOS
a term that describes the state of reduced voltage level of AC power that lasts for a period of time
brownout
service that provides IP addressing information
DHCP server
a secure connection over an insecure network like the internet
VPN
software used to protect a computer against malware
anti-virus
a chip that performs the rapid mathematical calculations required to render graphics
graphics processing unit (GPU)
transport protocol that ensures data arrives
TCP
detects and acts on malicious traffic
IPS
a high bandwidth internet connection used for backbone connections
fiber