Key Terms and Acronyms Flashcards
circuit-switched
a network that creates a path between the source and destination devices
extranet
a private network that allows authorized external users to securely share info
internet protocol IP
part of the TCP/IP that make it possible to deliver packets across complicated networks by handling the routing decisions necessary to move them from their source to their destination
internetworking
the process of connecting multiple computer networks
intranet
private, internal network
logical topology
shows how the devices in a network connect to a specific segment of the network
network topology
a map of a network and how devices are connected to it
open systems interconnection reference model OSI
an internationally accepted framework of standards that governs how separate computer systems communicate using networks
packet switched
networks that transmit packets as individual messages
physical topology
the physical network devices and any physical devices used to connect to the network
point to point network
a network that consists only of computers and devices that are connected directly
transmission control protocol TCP
part of the TCP/IP that guarantees a reliable stream of data between two computers
TCP/IP reference model
a descriptive framework for computer network protocols, created by the U.S. Department of Defense in the 1970s
TCP/IP suite
a collection that provides support to nearly all internet-capable operation systems and devices
OSI
open systems interconnection
LAN
LOCAL AREA NETWORK
TCP/IP
TRANSMISSION CONTROL PROTOCOL INTERNET PROTOCOL
IANA
INTERNET ASSIGNED NUMBERS AUTHORITY
VoIP
VOICE OVER INTERNET PROTOCOL
UC
UNIFIED COMMUNICATION
MAC
MEDIA ACCESS CONTROL
LLC
LOGICAL LINK CONTROL
EIA
ELECTRONIC INDUSTRIES ASSOCIATION
DTE
DATA TERMINAL EQUIPMENT
DCE
DATA CIRCUIT TERMINATING EQUIPMENT
CSMA/CD
CARRIER SENSE MULTIPLE ACCESS WITH COLLISION DETECTION
NIC
NETWORK INTERFACE CONTROLLER
IEEE
INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS
OUI
ORGANIZATIONALLY UNIQUE IDENTIFIER
TCO
TOTAL COST OF OWNERSHIP
DHCP
DYNAMIC HOST CONFIGURATION PROTOCOL
HTTP
HYPERTEXT TRANSFER PROTOCOL
IMAP
INTERNET MESSAGE ACCESS PROTOCOL
FTP
FILE TRANSFER PROTOCOL
POP
POST OFFICE PROTOCOL
SIP
SESSION INITIATION POINT
TCP
Transmission CONTROL PROTOCOL
UDP
USER DATAGRAM PROTOCOL
ATP
APPLETALK TRANSACTION PROTOCOL
SCTP
STREAM CONTROL TRANSMISSION PROTOCOL
NFP
netBIOS FRAMES PROTOCOL
FCP
FIBRE CHANNEL PROTOCOL
IPSec
INTERNET PROTOCOL SECURITY
ARP
ADDRESS RESOLUTION PROTOCOL
ICMP
INTERNET CONTROL MESSAGE PROTOCOL
L2TP
LAYER 2 TUNNELING PROTOCOL
PPP
POINT TO POINT PROTOCOL
DSL
DIGITAL SUBSCRIPTION LINE
FDDI
FIBER DISTRIBUTED DATA INTERFACE
POTS
PLAIN OLD TELEPHONE SERVICE
ISDN
INTEGRATED SERVICES DIGITAL NETWORK
CSD
CIRCUIT SWITCHED DATA
HSCSD
HIGH SPEEN CIRCUIT SWITCHED DATA
RSTP
RAPID SPANNING TREE PROTOCOL
MSTP
MULTIPLE SPANNING TREE PROTOCOL
PoE
POWER OVER ETHERNET
data link layer
the second OSI model layer, also called the protocol layer or Layer 2
bridges
network devices that interconnect two or more LANS
ethernet
a wired system for connecting devices in local area networks, metropolitan area networks, and wide area networks
hub
a hardware device that connects multiple networking devices
IEEE standards
Ethernet standards and protocols established by the Institute of Electrical and Electronics Engineers
IEEE CSMA/CD standards
a group of standard specifications for Ethernet
physical layer
the first OSI model layer, also called Layer 1
protocol
an established set of rules to determine how data can be transmitted across devices
redundancy
the process of providing alternate means for a network to continue functioning
repeater
a device that receives and amplifies a signal
resilience
the ability to continue providing acceptable service despite operations challenges
structured wiring system
a modular cable solution that is flexible
switches
networking equipment that allows multiple devices to communicate
DTME
DUAL TOUCH MULTIFREQUENCY TELEPHONE
CO
CENTRAL OFFICE
AC
ALTERNATING CURRENT
DC
DIRECT CURRENT
BER
BIT ERROR RATE