🔤 Acronyms & Abbreviations
12 exercise sets — 200+ IT acronyms with pronunciation guides. Know what to say, how to say it, and when to use it.
Essential acronyms — start here
A practice where code changes are automatically tested (CI) and deployed (CD) after passing all checks.
A contractual commitment about service availability, response time, or other quality metrics.
A library that translates between objects in code and rows in a relational database.
A compact, URL-safe token used to transmit claims between parties — commonly used for authentication.
The "phone book" of the internet — translates domain names into IP addresses.
A human-readable data serialization format widely used in CI/CD pipelines and config files.
120+ IT acronyms with full names, pronunciation guides, and explanations. Filter by domain: Dev, Security, Cloud, DevOps, Agile, Data, and more.
All exercise sets
- Beginner
Agile & DevOps Acronyms
CI/CD, SLA, SLO, SLI, OKR, KPI, MVP, MoSCoW, JIRA, DORA metrics — meanings and pronunciation.
- Beginner
Networking & Protocol Acronyms
HTTP, HTTPS, REST, RPC, SOAP, DNS, TCP/IP, SSL, TLS, SSH, VPN, NAT — explained and how to say them.
- Intermediate
Cloud & Infrastructure Acronyms
IaaS, PaaS, SaaS, EC2, S3, EKS, GKE, IAM, VPC, CDN, IaC, HA, DR — cloud provider acronyms demystified.
- Intermediate
Security & Compliance Acronyms
CVE, OWASP, XSS, CSRF, SQL injection, MFA, SSO, RBAC, PII, GDPR, SOC2, ISO 27001 — security acronyms in context.
- Intermediate
Data & ML Acronyms
ETL, ELT, ML, AI, LLM, NLP, CNN, RNN, API, SDK, GPU, TPU, OLAP, OLTP — data pipeline and model acronyms.
- All levels
How Do You Say It? Pronunciation Quiz
SQL ("sequel" or "S-Q-L"?), GIF, nginx, kubectl, YAML, REST, CRUD — how to say IT acronyms out loud.
- Intermediate
IT Acronyms in Real Context
A Jira comment, a Slack message, a PR — what do ETA, EOD, LGTM, OOO, and TBD actually mean in context?
- Intermediate
Fill in the Acronym
Choose the correct acronym to complete the technical sentence — CI/CD, SIEM, SOLID, DAU/MAU and more.
- Advanced
Commonly Confused Acronym Pairs
REST vs. SOAP, TCP vs. UDP, SSL vs. TLS, RPO vs. RTO, SLO vs. SLA vs. SLI — what makes each pair different?
- Advanced
Three-Step Drill
For each acronym: identify the full phrase AND explain what it means — covering SOLID, ACID, DRY, MTTR, and RBAC.
- Advanced
Which Definition is Correct?
One acronym, four plausible definitions — only one is right. Tests deep understanding of CAP, ORM, CQRS, mTLS, and SLI.
- All levels
How to Say IT Acronyms Aloud
CRUD, SOAP, REST, API, RAM, RAID, Linux — learn the core rule: which IT acronyms are spoken as words and which are spelled out letter by letter.