DNS Records
IP Addressing
Network Devices
Misc
Acronyms
100

DNS Record used to identify eMail Servers

MX

100

Class A Private IP Address Range

10.X.X.X (10.0.0.0 through 10.255.255.255)

100

Device to introduce power onto an Ethernet (RJ45) cable

Injector (for PoE)

100

Port number used for Remote Desktop connections 

Port 3389

100

UTM

Unified Threat Management

200

Record associated with IPv4 Addresses

A

200

Class B Private IP Address Range

172.16.X.X through 172.31.255.255

200

Printer that incorporates a ribbon and used multipart paper with tractor feed

Impact (Dot Matrix)

200

Network device normally associated with Access Control Lists

Firewall

200

ECC

Error Checking and Correcting

300

Record associated with an alias (AKA) or to allow a third-party to represent your business, like with email

CNAME (Canonical Name)

300

Class C Private IP Address Range

192.168.X.X (192.168.0.0 through 192.168.255.255)

300

Laser printer component that has failed if your print job is smudging after completion

Fuser

300

Projector setting used to adjust the shape of image being projected

Keystone

300

IaaS

Infrastructure As A Service

400

Record associated with IPv6 Addresses

AAAA

400

IP address held for future use, by a device on a LAN, assigned Dynamically and based on its MAC address

Reservation 

400

RAID configuration that provides both a speed boost and multiple redundancies

RAID 6 (Striping with Dual Parity)

400

The ability to prioritize one type of network traffic over another, crucial to a VoIP Phone audio and video performance

QoS (Quality of Service)

400

MX

Mail Exchange (DNS Mail Server Record)

500

Information concerning domain and owner, such as contact information and Lease expiration date

SOA (Start Of Authority)

500

IP address given exclusively (statically) to a device that should never leave the LAN (like a printer)

Exclusion

500

Network device associated with creating and managing VLAN's

Managed Switch

500

An isolated environment to allow for testing or analysis of malicious files or activities

Sandbox

500

ONT

Optical Network Terminal