Core 1 day 7

Connectors

100

Connector used for fax machine and POTs

BA

RJ-11

200

Connector used for Spectrum cable internet

FS

F

300

Connector used to connect your computer using wired NIC

JS

RJ-45

400

Type of connector used on newer android phones

LD

USB-C

500

Connector that is usually 20 to 24 pins 

TX

Mobo power connector

Port numbers

100

Port number used by SSH

TT

22

200

Port number used by FTP

OU

20, 21

300

Port number used by Telnet

RJ

23

400

Port number used by DNS

WE

53

500

Port number used by SMTP

HS

25

Protocols

100

Protocol used to dynamically issue IP addresses 

NA

DHCP (Dynamic Host Configuration Protocol)

200

Protocol use to translate names to IP addresses

UI

DNS (Domain Name System)

300

Protocol used to securely connect to web site

TS

HTTPS (Hyper Text Transfer Protocol Secure)

400

Protocol that is Microsoft Proprietary and uses a GUI to remotely connect to another Microsoft computer

NA

RDP (Remote Desktop Protocol)

500

Non secure email protocol for sending email

BA

SMTP (Simple Mail Transfer Protocol)

Misc

100

RAM form factor for laptops

DI

SODIMM (Small outline Dual Input Memory Module)

200

Last step in CompTIA troubleshoot method

CR

Document

300

Runs before computer loads OS and checks for RAM, CPU, Display, and input device. Will make beep sound if all are not functioning

ST

POST (Power ON Self Test)

400

Maintains system clock (RTC)

JA

CMOS battery

500

DNS record that resolves hostname to IP address

CA

A or host

Storage

100

Type of RAID that uses 2 drives and duplicates data to second drive and is fault tolerant

SP

RAID 1 Mirror

200

Latest form factor for storage

RJ

M.2

300

Type of storage that is hot swappable 

GA

SATA

400

Type of RAID that writes data across 2 drives but is not fault tolerant

RU

RAID 0 Striping

500

SATA drive that has no moving parts

VA

SSD (Solid State Drive)