PSPO vs Learn GraphQL

PSPO-II Exam Pass - 550+ Practice Questions, Flashcards & Mock Exams Practice for the Professional Scrum Product Owner II (PSPO-II) exam with 550+ questions, 110+ flashcards and timed mock exams. Every answer comes with a detailed explanation, and your progress is tracked by domain. __________________________ KEY FEATURES __________________________ - 550+ practice questions with detailed explanations - 110+ flashcards for key terms and concepts - Full-length timed mock exams in the 40-question, 60-minute exam format - Study modes: timed exams, flashcards and targeted practice for weak areas - Progress tracking by domain and topic - Spaced repetition to review what you miss __________________________ EXAM DOMAINS COVERED __________________________ - Scrum Event - Scrum Artifacts - Scrum Team and Organization - Leadership and management skills - Product Development and Management __________________________ EXAM AT A GLANCE __________________________ - Exam: Professional Scrum Product Owner II (PSPO-II) - Questions: 40 - Time: 60 minutes Ideal for: Product Owners / Product Managers, and anyone preparing for the PSPO-II exam. __________________________ SUBSCRIPTION OPTIONS __________________________ Free to download. Unlock premium features with flexible plans: - Monthly: $9.99 - Quarterly: $19.99 - Half-Yearly: $34.99 - Yearly: $59.99 Subscriptions are managed via your Apple ID. Subscriptions auto-renew unless canceled at least 24 hours before the period ends. No refunds for unused portions. Important Disclaimer: PSPO-II Exam Pass is an independent educational tool created by Exam Pass. It is not affiliated with, endorsed or sponsored by Scrum.org or any other certification body. Start practicing for the PSPO-II exam today. Download now. LEGAL Terms of Use: https://exam-pass.com/terms-of-service/ Privacy Policy: https://exam-pass.com/privacy-policy/

Learn GraphQL the practical way: from your first query to production-grade APIs. Learn GraphQL is a complete course in your pocket, with bite-sized lessons, a built-in code playground, an AI tutor, cheat sheets, quizzes and real-world projects for beginners and pros alike. GraphQL is the query language for APIs used by modern apps everywhere. Ask for exactly the data you need, nothing more, in one request. This app teaches you how to design, build, secure, test and scale GraphQL APIs, and how to connect them to the frameworks you already use. WHAT YOU GET • Structured lessons: short, clear lessons that take you from GraphQL basics to advanced architecture, with code examples in every topic. • Code playground: write and run code right in the app, in JavaScript, TypeScript, Python or Bash, and see the results instantly. • AI coding assistant: ask questions, get concepts explained, debug errors and generate GraphQL examples whenever you're stuck. • Cheat sheets: quick-reference syntax for queries, mutations, schemas, resolvers, directives and more. • Quizzes & challenges: test what you know in the quiz arena and coding challenges. • Interview mode: practice the GraphQL and API questions asked in real developer interviews. • Guided projects: build real applications step by step, with checkpoints and hints along the way. • Spaced review: revisit key concepts at the right time so they stick. • Progress & streaks: track completed lessons, set study goals, and keep your daily streak going. • Notes, bookmarks & snippets: save lessons, write notes, and keep a personal library of code snippets. CORE GRAPHQL CURRICULUM • GraphQL fundamentals: types, fields, arguments, aliases, fragments and variables • Queries, mutations and subscriptions • Schema design, SDL, interfaces, unions and custom scalars • Resolvers, context and data fetching • Authentication and authorization (JWT, OAuth) • Pagination, error handling and best practices FRAMEWORKS & ECOSYSTEM TRACKS • Apollo GraphQL: Apollo Server, Apollo Client, Federation and Router • React, Next.js & Vue: Apollo Client, urql, graphql-request, Nuxt and the Next.js App Router • TypeScript: fully typed APIs and code generation • Node.js & NestJS: enterprise GraphQL APIs • Python: Strawberry, Ariadne, Graphene, FastAPI and Django • Go & Rust: gqlgen, async-graphql, Axum, Actix and SQLx • Flutter & Dart: graphql_flutter, caching and optimistic UI • Hasura: instant GraphQL on PostgreSQL with permissions and event triggers • AWS AppSync & serverless GraphQL with DynamoDB • Databases & ORMs: Prisma, PostgreSQL, MongoDB (Mongoose) and Redis ADVANCED & PROFESSIONAL TOPICS • Performance & scalability: DataLoader, solving N+1 queries, caching strategies • Federation & microservices: subgraphs, entities, schema stitching, API gateways • Real-time systems: subscriptions, WebSockets, Server-Sent Events, Pub/Sub, Kafka and RabbitMQ • API security engineering: RBAC/ABAC, query depth and complexity limits, rate limiting • Testing & quality: resolver unit tests, integration and contract tests, k6 load testing • DevOps: Docker, Docker Compose, Kubernetes and GitHub Actions CI/CD • Schema design & API governance: schema evolution, breaking-change detection, linting, schema registry • Developer tools: GraphiQL, Apollo Sandbox, Postman and type generation • GraphQL for AI, SaaS & e-commerce: LLM streaming, pgvector, RAG, multi-tenant platforms • Enterprise projects: social platforms, real-time dashboards, LMS systems and public developer APIs WHO IT'S FOR • Beginners learning to code who want a clear, guided path into APIs • Frontend developers working with React, Vue, Angular, Next.js or Flutter • Backend developers using Node.js, Python, Go, Rust or Java who are moving from REST to GraphQL From your first API to a federated graph at scale, Learn GraphQL gives you a structured path and the tools to practice. Download Learn GraphQL and start writing your first query today.