AAA | Authentication, Authorization, and Accounting |
AAAA | Authentication, Authorization, Accounting, and Auditing |
ACL | Access Control List |
ADSL | Asymmetric Digital Subscriber Line |
AES | Advanced Encryption Standard |
AH | Authentication Header |
AP | Access Point |
APC | Angle Polished Connector / Angled Physical Contact |
APIPA | Automatic Private Internet Protocol Address |
APT | Advanced Persistent Tool |
ARIN | American Registry for Internet Numbers |
ARP | Address Resolution Protocol |
AS | Autonomous System |
ASIC | Application Specific Integrated Circuit |
ASP | Application Service Provider |
ATM | Asynchronous Transfer Mode |
AUP | Acceptable Use Policy |
BCP | Business Continuity Plan |
BERT | Bit-Error Rate Test |
BGP | Border Gateway Protocol |
BLE | Bluetooth Low Energy |
BNC | British Naval Connector / Bayonet-Niell-Concelman |
BootP | Boot Protocol/Bootstrap Protocol |
BPDU | Bridge Protocol Data Unit |
BRI | Basic Rate Interface |
BSSID | Basic Service Set Identifier |
BYOD | Bring Your Own Device |
CaaS | Communication as a Service |
CAM | Content Addressable Memory |
CAN | Campus Area Network |
CARP | Common Address Redundancy Protocol |
CDMA | Code Division Multiple Access |
CSMA/CA | Carrier Sense Multiple Access/Collision Avoidance |
CSMA/CD | Carrier Sense Multiple Access/Collision Detection |
CHAP | Challenge Handshake Authentication Protocol |
CIA | Confidentiality, Integrity, and Availability |
CIDR | Classless Inter-Domain Routing |
CNAME | Canonical Name |
CoS | Class of Service |
CPU | Central Processing Unit |
CRAM-MD5 | Challenge-Response Authentication Mechanism-Message Digest 5 |
CRC | Cyclic Redundancy Checking |
CSMA/CA | Carrier Sense Multiple Access/Collision Avoidance |
CSU | Channel Service Unit |
CVE | Common Vulnerabilities and Exposures |
CVDM | Course Wave Division Multiplexing |
DaaS | Desktop as a Service |
D B | Decibel |
DCS | Distributed Computer System |
DDoS | Distributed Denial of Service |
DHCP | Dynamic Host Configuration Protocol |
DLC | Data Link Control |
DLP | Data Loss Prevention or Data Leak Prevention |
DLR | Device Level Ring |
DMZ | Demilitarized Zone |
DNAT | Destination Network Address Translation |
DNS | Domain Name System/Domain Name Server/Domain Name Service |
DOCSIS | Data-Over Cable Service Interface Specification |
DoS | Denial of Service |
DR | Designated Router |
DSCP | Differentiated Services Code Point |
DSL | Digital Subscriber Line |
DSSS | Direct Sequence Spread Spectrum |
DSU | Data Service Unit |
DWDM | Dense Wavelength Division Multiplexing |
E1 | E-Carrier Level 1 |
EAP | Extensible Authentication Protocol |
EDNS | Extension Mechanism for DNS |
ECP | Exterior Gateway Protocol |
EIA/TIA | Electronic Industries Association/Telecommunication Industries Association |
EIRP | Effective Isotropic Radiated Power |
EMI | Electromagnetic Interference |
ESD | Electrostatic Discharge |
ESP | Encapsulated Security Payload |
ESSID | Extended Service Set Identifier |
EUI | Extended Unique Identifier |
FC | Fibre Channel |
FCoE | Fiber Channel Over Ethernet |
FCS | Frame Check Sequence |
FDM | Frequency Division Multiplexing |
FHRP | First Hop Redundancy Protocol |
FHSS | Frequency Hopping Spread Spectrum |
FM | Frequency Modulation |
FQDN | Fully Qualified Domain Name |
FTP | File Transfer Protocol |
FTPS | File Transfer Protocol Security |
GBIC | Gigabit Interface Converter |
Gbps | Gigabits per second |
GLBP | Gateway Load Balancing Protocol |
GPG | GNU Privacy Guard |
GRE | Generic Routing Encapsulation |
GSM | Global System for Mobile Communications |
HA | High Availability |
HDLC | High-Level Data Link Control |
HDMI | High-Definition Multimedia Interface |
HIDS | Host Intrusion Detection System |
HIPS | Host Intrusion Prevention System |
HSPA | High-Speed Packet Access |
HSRP | Hot Standby Router Protocol |
HT | High throughput |
HTTP | Hypertext Transfer Protocol |
HTTPS | Hypertext Transfer Protocol Secure |
HVAC | Heating, Ventilation, and Air Conditioning |
Hz | Hertz |
IaaS | Infrastructure as a Service |
IANA | Internet Assigned Numbers Authority |
ICA | Independent Computer Architecture |
ICANN | Internet Corporation for Assigned Names and Numbers |
ICMP | Internet Control Message Protocol |
ICS | Internet Connection Sharing/Industrial Control System |
IDF | Intermediate Distribution Frame |
IDWS | Intrusion Detection System |
IEEE | Institute of Electrical and Electronics Engineers |
IGMP | Internet Group Message Protocol |
IGP | Interior Gateway Protocol |
IGRP | Interior Gateway Routing Protocol |
IKE | Internet Key Exchange |
IMAP | Internet Message Access Protocol |
IMAP4 | Internet Message Access Protocol Version 4 |
InterNIC | Internet Network Information Center |
IoT | Internet of Things |
IP | Internet Protocol |
IPS | Intrusion Prevention System |
IPSec | Internet Protocol Security |
IPv4 | Internet Protocol Version 4 |
IPv6 | Internet Protocol Version 6 |
ISAKMP | Internet Security Association and Key Management Protocol |
iSCSI | Internet Small Computer Systems Interface |
ISDN | Integrated Services Digital Network |
IS-IS | Intermediate System to Intermediate System |
ISP | Internet Service Provider |
IT | Information Technology |
ITS | Intelligent Transportation System |
IV | Initialization Vector |
Kbps | Kilobits per second |
KVM | Keyboard Video Mouse |
L2TP | Layer 2 Tunneling Protocol |
LACP | Link Aggregation Control Protocol |
LAN | Local Area Network |
LC | Local Connector |
LDAP | Lightweight Directory Access Protocol |
LDAPS | Lightweight Directory Access Protocol (secure) |
LEC | Local Exchange Carrier |
LED | Light Emitting Diode |
LLC | Logical Link Control |
LLDP | Link Layer Discovery Protocol |
LSA | Link State Advertisements |
LTE | Long Term Evolution |
LWAPP | Light Weight Access Point Protocol |
MaaS | Mobility as a Service |
MAC | Media Access Control/Medium Access Control |
MAN | Metropolitan Area Network |
Mbps | Megabits per second |
MBps | Megabytes per second |
MDF | Main Distribution Frame |
MDI | Media Dependent Interface |
MDIX | Media Dependent Interface Crossover |
MGCP | Media Gateway Control Protocol |
mGRE | Multipoint Generic Routing Encapsulation |
MIB | Management Information Base |
MIMO | Multiple Input, Multiple Output |
MU-MIMO | Multiuser – Multiple Input, Multiple Output |
MLA | Master License Agreement/Multilateral Agreement |
MMF | Multimode Fiber |
MOA | Memorandum of Agreement |
MOU | Memorandum of Understanding |
MPLS | Multiprotocol Label Switching |
MS-CHAP | Microsoft Challenge Handshake Authentication Protocol |
MSA | Master Service Agreement |
MSDS | Material Safety Data Sheet |
MT-RJ | Mechanical Transfer Registered Jack |
MTU | Maximum Transmission Unit |
MTTR | Mean Time to Recovery |
MTBF | Mean Time Between Failures |
MT-RJ | Mechanical Transfer – Registered Jack |
MTTR | Mean Time to REpair |
MU-MIMO | Multiuser Multiple Input, Multiple Output |
MX | Mail Exchanger |
NAC | Network Access Control |
NAS | Network Attached Storage |
NAT | Network Address Translation |
NCP | Network Control Protocol |
NDA | Non-Disclosure Agreement |
NDR | Non-Delivery Receipt |
NetBEUI | Network Basic Input/Output Extended User Interface |
NFC | Near Field Communication |
NFS | Network File Service |
NFV | Network Function Virtualization |
NGFW | Next Generation Firewall |
NIC | Network Interface Card |
NIDS | Network Intrusion Detection System |
NIPS | Network Intrusion Prevention System |
NIU | Network Interface Unit |
Nn | Nanometer |
NNTP | Network News Transfer Protocol |
NS | Name Server |
NTP | Network Time Protocol |
OCSP | Online Certificate Status Protocol |
OCx | Optical Carrier |
OID | Object Identifier |
OS | Operating System |
OSI | Open Systems Interconnect |
OSPF | Open Shortest Path First |
OTDR | Optical Time Domain Reflectometer |
OUI | Organizationally Unique Identifier |
PaaS | Platform as a Service |
PAN | Personal Area Network |
PAP | Password Authentication Protocol |
PAT | Port Address Translation |
PC | Personal Computer |
PCM | Phase-Change Memory |
PDoS | Permanent Denial of Service |
PDU | Protocol Data Unit |
PGP | Pretty Good Privacy |
PKI | Public Key Infrastructure |
PoE | Power over Ethernet |
POP | Post Office Protocol |
POP3 | Post Office Protocol version 3 |
POTs | Plain Old Telephone Service |
PPP | Point-to-Point Protocol |
PPPoE | Point-to-Point Protocol over Ethernet |
PPTP | Point-to-Point Tunneling Protocol |
PKI | Primary Rate Interface |
PSK | Pre-Shared Key |
PSTN | Public Switched Telephone Network |
PTP | Point-to-Point |
PTR | Pointer |
PUA | Privileged User Agreement |
PVC | Permanent Virtual Circuit |
QoS | Quality of Service |
QSFP | Quad Small Form-Factor Pluggable |
RA | Router Advertisements |
RADIUS | Remote Authentication Dial-in-User Service |
RAID | Redundant Array of Inexpensive (or Independent) Disks |
RARP | Reverse Address Resolution Protocol |
RAS | Remote Access Service |
RDP | Remote Desktop Protocol |
RF | Radio Frequency |
RFC | Request for Comment |
RFI | Radio Frequency Interface |
RFP | Request for Proposal |
RG | Radio Guide |
RIP | Routing Internet Protocol |
RJ | Registered Jack |
RPO | Recovery Point Objective |
RSA | Rivest, Shamir, Adelman |
RSH | Remote Shell |
RSTP | Rapid Spanning Tree Protocol |
RTO | Recovery Time Objective |
RTP | Real-Time Protocol |
RTSP | Real-Time Streaming Protocol |
RTT | Round Trip Time or Real Transfer Time |
SA | Security Association |
SaaS | Software as a Service |
SAN | Storage Area Network |
SC | Standard Connector/Subscriber Connector |
SCADA | Supervisory Control and Data Acquisition |
SCP | Secure Copy Protocol |
SDLC | Software Development Life Cycle |
SDN | Software Defined Network |
SDP | Session Description Protocol |
SDSL | Symmetrical Digital Subscriber Line |
SDWAN | Software-Defined WAN |
SFP | Small Form-Factor Pluggable |
SFTP | Secure File Transfer Protocol |
SGCP | Simple Gateway Control Protocol |
SHA | Secure Hash Algorithm |
SIEM | Security Information and Event Management |
SIP | Session Initiation Protocol |
SLA | Service-Level Agreement |
SLAAC | Stateless Address-Auto Configuration |
SLIP | Serial Line Internet Protocol |
SMB | Service Message Block |
SMF | Single-Mode Fiber |
SMS | Short Message Service |
SMTP | Simple Mail Transfer Protocol |
SNAT | Static Network Address Translation/Source Network Address Translation |
SNMP | Simple Network Management Protocol |
SNTP | Simple Network Time Protocol |
SOA | Start of Authority |
SOHO | Small Office Home Office |
SONET | Synchronous Optical Network |
SOP | Standard Operating Protocol |
SOW | Statement of Work |
SPB | Shortest Path Bridging |
SPI | Stateful Packet Inspection |
SPS | Standby Power Supply |
SQL | Structured Query Language |
SRV | Service Record |
SSH | Secure Shell |
SSID | Service Set Identifier |
SSL | Secure Sockets Layer |
SSO | Single Sign-On |
ST | Straight Tip or Snap Twist |
STP | Spanning Tree Protocol/Shielded Twisted Pair |
SVC | Switched Virtual Circuit |
SYLOG | System Log |
T1 | Terrestrial Carrier Level 1 |
TA | Terminal Adapter |
TACAS | Terminal Access Control Access Control System |
TACAS+ | Terminal Access Control Access Control System+ |
TCP | Transmission Control Protocol |
TCP/IP | Transmission Control Protocol/Internet Protocol |
TDM | Time Division Multiplexing |
TDR | Time Domain Reflectometer |
Telco | Telecommunications Company |
TFTP | Trivial File Transfer Protocol |
TIA/EIA | Telecommunications Industry Association/Electronic Industries Association |
TKIP | Temporal Key Integrity Protocol |
TLS | Transport Layer Security |
TMS | Transportation Management System |
TOS | Type of Service |
TPM | Trusted Platform Module |
TTL | Time to Live |
TTLS | Tunneled Transport Layer Security |
TX/RX | Transmit and Receive |
UC | Unified Communications |
UDP | User Datagram Protocol |
UNC | Universal Naming Convention |
UPC | Ultra Polished Connector |
UPS | Uninterruptible Power Supply |
URL | Uniform Resource Locator |
USB | Universal Serial Bus |
UTM | Unified Threat Management |
VDSL | Variable Digital Subscriber Line |
VIP | Virtual IP |
VLAN | Virtual Local Area Network |
VNC | Virtual Network Connection |
vNIC | Virtual Network Interface Card |
VoIP | Voice over IP |
VPN | Virtual Private Network |
VRF | Virtual Routing Forwarding |
VRRP | Virtual Router Redundancy Protocol |
VTC | Video Teleconference |
VTP | VLAN Trunk Protocol |
WAF | Web Application Firewall |
WAN | Wide Area Network |
WAP | Wireless Application Protocol/Wireless Access Point |
WDM | Wavelength Division Multiplexing |
WEP | Wired Equivalent Privacy |
WLAN | Wireless Local Area Network |
WMS | Warehouse Management System |
WPA | Wi-Fi Protected Access |
WPS | Wi-Fi Protected Setup |
WWN | World Wide Name |
XDSL | Extended Digital Subscriber Line |
XML | eXtensible Markup Language |
Zeroconf | Zero Configuration |