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)
