FBLA Computer Problem Solving Stuff Stuff to memorize

Some stuff that is good to memorize but it not in other flashcards

1xx POST error

Motherboard

2xx POST error

Memory

3xx POST error

Keyboard

4xx POST error

video adapter

6xx POST error

floppy drive

9xx POST error

printer

17xx POST error

BIOS

processing step of laser printer

taking image from computer and turning into data

charging step of laser printer

applying a negative charge to the drum surface

writing step of laser printer

a laser writes on the drum

developing step of laser printer

toner is developed onto the drum

transferring step of laser printer

the toner is transferred from the drum to the paper

fusing step of laser printer

toner is fused to paper via heat

TCP port for HTTPS

443

TCP port for SMTP

25

TCP port for FTP

21 for TCP control signals, 20 for actual data

TCP port for HTTP

80

TCP port for DNS

53

TCP port for Kerberos

88

1024 × 768 monitor resolution

XGA

1200 × 768 or 1200 × 800 monitor resolution

WXGA

WXGA stand for

Wide eXtended Graphics Array

1280 × 1024 monitor resolution

SXGA

1600 × 1200

UXGA

2048 × 1536

QXGA

1920 × 1200

WUXGA

CHKDSK

checks status of NTFS drives

SCANDISK

checks status of fat32 drives

DEFRAG

defragments drives

BOOTCFG

restore and configure boot file (boot.ini)

NETSTAT

TCP/IP stats

IPCONFIG

TCP/IP settings

WINIPCFG

old TCP/IP settings

PING

checks network connectivity

TYPE or MORE

displays a file

SCONFIG

manage updates on windows server

Yum update

manage updates on linux server

cat

opens file in linux

ls

lists files in linux

dir

lists files in windows

mkdir

makes folder in linux and windows

echo

write something in console

TRACERT

trace route of packet

RAID 0

data is spread across 2 drives, negative redundancy

RAID 1

data copied across 2 drives

RAID 5

data spread across 3 drives with parity

RAID 10

combination of raid 1 and 0

USB 1.0 transfer speed

1.5 mbps

USB 1.1 transfer speed

12 mbps

USB 2.0 transfer speed

480 mpbs

USB 3.0 transfer speed

5 gbps

USB 3.1 transfer speed

10 gbps

USB 3.2 transfer speed

20 gbps

USB 4.0 transfer speed

40 gbps

botnet

a network of controlled computers

trojan

virus that pretends to be good

worm

virus that can spread automatically

phishing

tricking someone for info

pretexting

pretending to be a trusted person

quid pro quo

info is traded for “valuables”

tailgating

following someone into restricted areas

spear phishing/whaling

targeting a specific person

vishing

phishing using your voice

watering hole phishing

targeting a group of people by compromising a common resource

pharming/HTTPS phishing

redirecting a person to fake website

evil twin phishing

using a fake network to get info

smishing

phishing via SMS/text

man in middle attack

intercepting info between 2 parties

clone phishing

cloning a trusted email and adding malicious stuff

angler phishing

using fake social media posts

website spoofing/domain spoofing

create a fake website that looks legitimate

ip spoofing

impersonating a person by using their ip address

URL

uniform resource locator

IMAP

internet message access protocol

OSPF

open shortest path first

NTP

network time protocol

CMOS

complementary metal oxide semiconductor

ISDN

integrated services digital network

BIOS/UEFI

Basic Input/Output System/Unified Extensible Firmware Interface

PCIe

peripheral component interconnect express

VRM

voltage regulator module

ATX

advanced technology eXtended

DVI

digital visual interface

IPS panel

in plane switching panel

ITX

information technology eXtended

PCMCIA

Personal Computer Memory Card International Association

BSD

berkely software distribution

POSIX

Portable Operating System Interface

OSI

open system interconnection