Acronyms Flashcards
MDI-X
Medium Dependent Interface Crossover
(What auto detects the transmit and receive pins)
WDM
Wavelength Division Multiplexing
CWDM
Coarse Wavelength Division Multiplexing
(Four separate 3.125Gbps @ 4 different wavelengths.)
DWDM
Dense Wavelength Division Multiplexing
(160 signals increasing total throughout to 1.6Tbps)
TDMA
Time Division Multiple Access
(850 MHz or 1.9MHz) (Divides cellular channel into 3 time slots to increase data that can be carried)
CDMA
Code Division Multiple Access
(800 MHz and 1.9GHz) (2G and 3G) (filters based off codes, allows numerous signals to occupy single transmission channel)
GSM
Global System for Mobiles
(900MHz or 1800MHz) (Digitizes+compresses data, sends down channel w/ 2 other streams of user data)
CSMA/CD
Carrier Sense Multiple Access with Collision Detection. (Senses when there is a collision on the line and will stop traffic and then clear the collision)
CSMA/CA
Carrier Sense Multiple Access with Collision Avoidance. (Method for WAPs where client will Request to Send(RTS) and the AP will reply with its Clear to Send(CTS))
RTS
Request to Send
CTS
Clear to Send
NAT
Network Address Translation
PAT
Port Address Translation(assigned port number on global IP)
(Also known as NAT Overload)
VLSM
Variable Length Subnet Masking
(Also known as Supernetting)
APIPA
Automatic Private IP Addressing
EUI64
Extended Unique Identifier
(Stateless address auto configuration, host assigning itself a unique 64-bit IPv6 interface identifier without the need for manual configuration or DHCP; uses MAC address)
NDP
Neighbor Discovery Protocol
IPAM
IP Address Management
(The administration of DNS and DHCP; a means of planning, tracking, and managing the Internet Protocol address space used in a network)
NAS
Network Attached Storage
SAN
Storage Area Network
DAS
Direct Attached Storage
LWAP
Lightweight Wireless Access Point
WLC
Wireless Alan Controller
SSID
Service Set Identifier
(Network ID or Network name)
ESSID
Extended Service Set Identifier
(Identifies the service set all devices belong to that are using the same service set(network name)
BSSID
Basic Service Set ID
(Identifies the individual ID of that device)
IDS/IPS
Intrusion detection system / intrusion prevention system
(Signature and/or anomaly based)
WAF
Web Application Firewall
NGFW
Next Generation FireWall
(Inspect later 7 traffic)
DPI
Deep Packet Inspection
UEBA
User and Entity Behavior Analytics
UTM
Unified Threat Management
PPTP
Point to Point Tunneling Protocol
L2TP
Layer 2 Tunneling Protocol
IPSEC
Internet Protocol Security
PSTN
Public Switched Telephone Network
ICS
Industrial Control System
OT
Operational Technology
SCADA
Supervisory Control and Data Acquisition
AD(routing)
Administrative Distance
IGPs
Interior Gateway Protocols
EGP
Exterior Gateway Protocol
IGRP
Interior Gateway Routing Protocol
IS-IS
Intermediate System to Intermediate System
IS-IS
Intermediate System to Intermediate System
EIGRP
Enhanced Interior Gateway Routing Protocol
BGP
Border Gateway Protocol
QOS
Quality of Service
COS
Class of Service
Diffserv
Differentiated Services
STP
Spanning Tree Protocol
(802.1D)
RSTP
Rapid Spanning Tree Protocol
(802.1w)
LCAP
Link Control Aggregation Protocol
PAgP
Port Aggregation Protocol
DAI
Dynamic ARP Inspection