Acronyms & Definitions
| Acronym | Description |
|---|---|
| 2FA | Two-Factor Authentication |
| ACID | Atomicity, Consistency, Isolation, Durability (database properties) |
| ACL | Access Control List |
| AD | Active Directory |
| AJAX | Asynchronous JavaScript and XML |
| API | Application Programming Interface |
| ARPU | Average Revenue Per User |
| ARR | Annual Recurring Revenue |
| Acronym | Description |
|---|---|
| BC | Business Continuity |
| BCDR | Business Continuity and Disaster Recovery |
| BCP | Business Continuity Plan |
| BDR | Backup and Disaster Recovery |
| BGP | Border Gateway Protocol |
| BI | Business Intelligence |
| BYOD | Bring Your Own Device |
| Acronym | Description |
|---|---|
| CAGR | Compound Annual Growth Rate |
| CAPEX | Capital Expenditure |
| CTO | Chief Technology Officer |
| CCPA | California Consumer Privacy Act |
| CDN | Content Delivery Network |
| CI/CD | Continuous Integration/Continuous Deployment |
| CIO | Chief Information Officer |
| CISC | Complex Instruction Set Computer |
| CLI | Command Line Interface |
| CMDB | Configuration Management Database |
| COBOL | Common Business Oriented Language |
| CoE | Center of Excellence |
| COGS | Cost of Goods Sold |
| CORS | Cross-Origin Resource Sharing |
| CPU | Central Processing Unit |
| CRM | Customer Relationship Management |
| CRUD | Create, Read, Update, Delete |
| CSAT | Customer Satisfaction |
| CSP | Cloud Service Provider |
| CSS | Cascading Style Sheets |
| CTA | Call To Action |
| Acronym | Description |
|---|---|
| DaaS | Data as a Service |
| DaaS | Desktop as a Service |
| DB | Database |
| DBMS | Database Management System |
| DDoS | Distributed Denial of Service |
| DHCP | Dynamic Host Configuration Protocol |
| DLP | Data Loss Prevention |
| DNS | Domain Name System |
| DOM | Document Object Model |
| DoS | Denial of Service |
| DPI | Deep Packet Inspection |
| DR | Disaster Recovery |
| DRBD | Distributed Replicated Block Device |
| DVR | Digital Video Recorder |
| Acronym | Description |
|---|---|
| EBITDA | Earnings Before Interest, Taxes, Depreciation, and Amortization |
| ECC | Error-Correcting Code (memory) |
| EFS | Encrypted File System |
| EIGRP | Enhanced Interior Gateway Routing Protocol |
| EOL | End Of Life |
| EoS | End Of Support |
| ERP | Enterprise Resource Planning |
| EULA | End User License Agreement |
| Acronym | Description |
|---|---|
| FQDN | Fully Qualified Domain Name |
| FTP | File Transfer Protocol |
| Acronym | Description |
|---|---|
| GDPR | General Data Protection Regulation |
| GNU | GNU's Not Unix (recursive acronym) |
| GPO | Group Policy Object |
| GPU | Graphics Processing Unit |
| GRE | Generic Routing Encapsulation |
| GUI | Graphical User Interface |
| Acronym | Description |
|---|---|
| HaaS | Hardware as a Service |
| HBA | Host Bus Adapter |
| HCI | Hyper-Converged Infrastructure |
| HDD | Hard Disk Drive |
| HIPAA | Health Insurance Portability and Accountability Act |
| HTML | HyperText Markup Language |
| HTTP | Hypertext Transfer Protocol |
| HTTP/2 | HTTP version 2 |
| HTTPS | Hypertext Transfer Protocol Secure |
| Acronym | Description |
|---|---|
| IaaS | Infrastructure as a Service |
| IAM | Identity and Access Management |
| ICMP | Internet Control Message Protocol |
| IDE | Integrated Development Environment |
| IDP | Identity Provider |
| IDS | Intrusion Detection System |
| IMAP | Internet Message Access Protocol |
| IoE | Internet of Everything |
| IOPS | Input/Output Operations Per Second |
| IoT | Internet of Things |
| IP | Internet Protocol |
| IPS | Intrusion Prevention System |
| ISCSI | Internet Small Computer Systems Interface |
| ISP | Internet Service Provider |
| IT | Information Technology |
| ITAR | International Traffic in Arms Regulations |
| ITIL | Information Technology Infrastructure Library |
| ITSM | Information Technology Service Management |
| Acronym | Description |
|---|---|
| JDK | Java Development Kit |
| JSON | JavaScript Object Notation |
| JVM | Java Virtual Machine |
| Acronym | Description |
|---|---|
| KPI | Key Performance Indicator |
| KVM | Keyboard, Video, Mouse (switches or over IP solutions) |
| LACP | Link Aggregation Control Protocol |
| Acronym | Description |
|---|---|
| LAMP | Linux, Apache, MySQL, PHP |
| LAN | Local Area Network |
| LDAP | Lightweight Directory Access Protocol |
| LOB | Line of Business |
| LoE | Level of Effort |
| LTV | Lifetime Value |
| LUN | Logical Unit Number |
| Acronym | Description |
|---|---|
| MAC | Media Access Control (address) |
| MDF | Marketing Development Funds |
| MEAN | MongoDB, Express.js, AngularJS, Node.js (a tech stack) |
| MERN | MongoDB, Express.js, React, Node.js (a tech stack) |
| MFA | Multi-Factor Authentication |
| MIME | Multipurpose Internet Mail Extensions |
| MoM | Month-over-Month |
| MoU | Memorandum of Understanding |
| MPLS | Multiprotocol Label Switching |
| MQL | Marketing Qualified Lead |
| MRR | Monthly Recurring Revenue |
| MSP | Managed Service Provider |
| MSPV | Managed Service Provider Vendor |
| MSSP | Managed Security Service Provider |
| MTBF | Mean Time Between Failures |
| MTTR | Mean Time To Repair |
| MVC | Model-View-Controller |
| Acronym | Description |
|---|---|
| NAS | Network Attached Storage |
| NAT | Network Address Translation |
| NFS | Network File System |
| NIC | Network Interface Card |
| NIST | National Institute of Standards and Technology |
| NOC | Network Operations Center |
| NoSQL | Not Only SQL (non-relational databases) |
| NPS | Net Promoter Score |
| NTFS | New Technology File System |
| NTP | Network Time Protocol |
| Acronym | Description |
|---|---|
| OEM | Original Equipment Manufacturer |
| OPEX | Operating Expenditure |
| OS | Operating System |
| OSI | Open Systems Interconnection |
| Acronym | Description |
|---|---|
| P2P | Peer-to-Peer |
| PaaS | Platform as a Service |
| PAM | Pluggable Authentication Modules |
| PCI | Peripheral Component Interconnect |
| PCI-DSS | Payment Card Industry Data Security Standard |
| PHP | PHP: Hypertext Preprocessor |
| POC | Proof of Concept |
| PoP | Point of Presence |
| POP | Post Office Protocol |
| PPTP | Point-to-Point Tunneling Protocol |
| PSA | Professional Services Automation |
| Acronym | Description |
|---|---|
| QA | Quality Assurance |
| Acronym | Description |
|---|---|
| RAID | Redundant Array of Independent Disks |
| RAM | Random Access Memory |
| RDBMS | Relational Database Management System |
| RDP | Remote Desktop Protocol |
| REST | Representational State Transfer |
| RFI | Request For Information |
| RFP | Request For Proposal |
| RFQ | Request For Quotation |
| RHEL | Red Hat Enterprise Linux |
| RMM | Remote Monitoring and Management |
| ROBO | Remote Office/Branch Office |
| ROI | Return on Investment |
| RPO | Recovery Point Objective |
| RTO | Recovery Time Objective |
| RTOS | Real-Time Operating System |
| RTP | Real-Time Transport Protocol |
| RTSP | Real-Time Streaming Protocol |
| Acronym | Description |
|---|---|
| SaaS | Software as a Service |
| SAML | Security Assertion Markup Language |
| SAN | Storage Area Network |
| SASE | Secure Access Service Edge |
| SCCM | System Center Configuration Manager (Microsoft) |
| SCSI | Small Computer System Interface |
| SDN | Software Defined Networking |
| SD-WAN | Software Defined Wide Area Network |
| SIEM | Security Information and Event Management |
| SIP | Session Initiation Protocol |
| SLA | Service Level Agreement |
| SSO | Single Sign-On |
| SVN | Subversion (a version control system) |
| SWIFT | Society for Worldwide Interbank Financial Telecommunication |
| SWOT | Strengths, Weaknesses, Opportunities, Threats (analysis) |
| Acronym | Description |
|---|---|
| TFA | Two-Factor Authentication |
| TFTP | Trivial File Transfer Protocol |
| TLD | Top-Level Domain |
| TLS | Transport Layer Security |
| TOC | Total Cost of Ownership |
| TSP | Technology Service Provider |
| TTL | Time To Live (networking context) |
| Acronym | Description |
|---|---|
| UAT | User Acceptance Testing |
| UC | Unified Communications |
| UCaaS | Unified Communications as a Service |
| UDP | User Datagram Protocol |
| UEFI | Unified Extensible Firmware Interface |
| UEM | Unified Endpoint Management |
| UVP | Unique Value Proposition |
| URL | Uniform Resource Locator |
| UTF-8 | Unicode Transformation Format 8 bits |
| UX | User Experience |
| Acronym | Description |
|---|---|
| VCIO | Virtual Chief Information Officer |
| VDI | Virtual Desktop Infrastructure |
| VDR | Virtual Data Room |
| VHDX | Hyper-V Virtual Hard Disk |
| VNC | Virtual Network Computing |
| VoD | Video on Demand |
| VOIP | Voice Over Internet Protocol |
| VPC | Virtual Private Cloud |
| VPN | Virtual Private Network |
| VPS | Virtual Private Server |
| VRRP | Virtual Router Redundancy Protocol |
| VSAN | Virtual Storage Area Network |
| Acronym | Description |
|---|---|
| WAN | Wide Area Network |
| WAP | Wireless Access Point |
| WEP | Wired Equivalent Privacy |
| WIFI | Wireless Fidelity |
| WPA | WiFi Protected Access |
| WPF | Windows Presentation Foundation |
| Acronym | Description |
|---|---|
| XaaS | Anything as a Service |
| XML | eXtensible Markup Language |
| XSS | Cross-Site Scripting |
| Acronym | Description |
|---|---|
| YAML | YAML Ain't Markup Language |
| YoY | Year over Year |
| Acronym | Description |
|---|---|
| ZFS | Zettabyte File System |
| ZIP | Zigzag Inline Package |
| ZTNA | Zero Trust Network Access |