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Network+ Acronymns

Acronyms for the CompTIA Network+ Examination.

TermDefinition
ARP Address Resolution Protocol
TCP Transmission Control Protocol
UDP User Datagram Protocol
SSH Secure Shell
DNS Domain Name System
SMTP Simple Mail Transfer Protocol
SFTP Secure File Transfer Protocol
FTP File Transfer Protocol
TFTP Trivial File Transfer Protocol
Telnet Telecommunication Network
DHCP Dynamic Host Configuration Protocol
HTTP Hypertext Transfer Protocol
HTTPS Hypertext Transfer Protocol Secure
SNMP Simple Network Management Protocol
RDP Remote Desktop Protocol
SIP Session Initiation Protocol
SMB Server Message Block
POP3 Post Office Protocol v3
IMAP4 Internet Message Access Protocol v4
LDAP Lightweight Directory Access Protocol
LDAPS Lightweight Directory Access Protocol Secure
H.323 ITU Telecommunication H.32x Protocol Series
ICMP Internet Control Message Protocol
OSI Open Systems Interconnection Reference Model
MAC Media Access Control
IP Internet Protocol
SFD Start Frame Delimiter
FCS Frame Check Sequence
OUI Organizationally Unique Identifier
NIC Network Interface Controller
CSMA/CD Carrier Sense Multiple Access / Collision Detect
CSMA/CA Carrier Sense Multiple Access / Collision Avoidance
RTS Ready To Send
CTS Clear To Send
STP Spanning Tree Protocol
PDU Protocol Data Unit
MTU Maximum Transmission Unit
DF Don’t Fragment
LAN Local Area Network
VLAN Virtual Local Area Network
ISL Inter-Switch Link
RSTP Rapid Spanning Tree Protocol
DMZ Demilitarized Zone
PoE Power Over Ethernet
AS Autonomous System
IGP Interior Gateway Protocol
OSPF Open Shortest Path First
RIP Routing Information Protocol
EIGRP Enhanced Interior Gateway Routing Protocol
EGP Exterior Gateway Protocol
BGP Border Gateway Protocol
NDP Neighbor Discovery Protocol
SLAAC Stateless Address Autoconfiguration
DAD Duplicate Address Detection
RS Router Solicitation
RA Router Advertisement
NS Neighbor Solicitation
NA Neighbor Advertisement
QoS Quality of Service
CoS Class of Service
DS Differentiated Services
DSCP Differentiated Services Code Point
NAT Network Address Translation
ACL Access Control List
POTS Plain Old Telephone Service
PSTN Public Switched Telephone Network
SDN Software Defined Networking
IANA Internet Assigned Numbers Authority
RIR Regional Internet Registries
ISP Internet Service Provider
VLSM Variable Length Subnet Mask
BOOTP Bootstrap Protocol
BIA Burned-In Address
U/L Bit Universal/Local Bit
WLAN Wireless Local Area Network
MAN Metropolitan Area Network
WAN Wide Area Network
CAN Campus Area Network
NAS Network Attached Storage
SAN Storage Area Network
PAN Personal Area Network
NFC Near Field Communication
IR Infrared
RFID Radio-Frequency Identification
MIMO Multiple-Input Multiple-Output
MU-MIMO Multiple-User Multiple-Input Multiple-Output
GSM Global System for Mobile Communications
CDMA Code Division Multiple Access
SIM Subscriber Identity Module
TDMA Time-Division Multiple Access
TDM Time-Division Multiplexing
LTE Long Term Evolution
LTE-A Long Term Evolution Advanced
EDGE Enhanced Data Rates for GSM Evolution
SaaS Software as a Service
IaaS Infrastructure as a Service
PaaS Platform as a Service
VPN Virtual Private Network
CASB Cloud Access Security Broker
TLD Top Level Domains
gTLD Generic Top Level Domain
ccTLD Country Code Top Level Domain
FQDN Fully Qualified Domain Name
RR Resource Record
A IPv4 Address Record
AAAA IPv6 Address Record
CNAME Canonical Name Record
SRV Service Record
MX Mail Exchange Record
NS Record Name Server Record
PTR Pointer Record
TXT Text Record
SPF Sender Policy Framework
DKIM Domain Keys Identified Mail
IPAM Internet Protocol Address Management
NTP Network Time Protocol
U (Cable) Unshielded
S (Cable) Braided Shielding
F (Cable) Foil Shielding
TP (Cable) Twisted Pair
EIA Electronic Industries Alliance
RS-# Recommended Standard
TIA Telecommunications Industry Association
PVC Polyvinyl Chloride
FEP Fluorinated Ethylene Polymer
UPC Ultra-polished Connectors
APC Angle-polished Connectors
ST Straight Tip
SC Subscriber Connector
LC Lucent Connector
MT-RJ Mechanical Transfer Registered Jack
MDI Media Dependent Interface
MDI-X Media Dependent Interface Crossover
GBIC Gigabit Interface Converter
SFP Small Form-factor Pluggable
SFP+ Enhanced Small Form-factor Pluggable
QSFP Quad Small Form-factor Pluggable
BiDi Bi-Directional
NIR Near Infrared
ASIC Application-specific Integrated Circuit
WAP Wireless Access Point
VoIP Voice Over IP
IDS Intrusion Detection System
IPS Intrusion Prevention System
OS Operating System
AAA Framework Authentication, Authorization, Accounting
RADIUS Remote Authentication Dial-In User Service
UTM Unified Threat Management
NGFW Next-Generation Firewalls
PBX Private Branch Exchange
VM Virtual Machine
FC Fibre Channel
FCoE Fibre Channel Over Ethernet
FCIP Fibre Channel Over IP
iSCSI Internet Small Computer Systems Interface
SCSI Small Computer Systems Interface
ISDN Integrated Services Digital Network
BRI Basic Rate Interface
PRI Primary Rate Interface
DSL Digital Subscriber Line
ADSL Asymmetric Digital Subscriber Line
CO Central Office
DOCSIS Data Over Cable Service Interface Specification
ATM Asynchronous Transfer Mode
PPP Point-to-Point Protocol
SAR Segmentation And Reassembly
PPPoE Point-to-Point Protocol Over Ethernet
DMVPN Dynamic Multipoint Virtual Private Network
CSU Channel Service Unit
DSU Data Service Unit
DTE Data Terminal Equipment
CPE Customer Premises Equipment
NIU Network Interface Unit
RAID Redundant Array of Independent Disks
UPS Uninterruptible Power Supplies
HA High Availability
LBFO Load Balancing / Fail Over
MTTR Mean Time To Restore
MTBF Mean Time Between Failures
SLA Service Level Agreement
Nmap Network Mapper
NSE Network Map Scripting Engine
SIEM Security Information and Event Management
IPSec Internet Protocol Security
AH Authentication Header
ESP Encapsulation Security Payload
SSL VPN Secure Sockets Layer Virtual Private Network