OtherEntry
System Design (Practice, 50)
Scenario-based system design practice exam covering databases, scaling, caching, queues, sharding, reliability, high availability and distributed systems trade-offs.
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16 timed, auto-graded Other practice exams and 1 certification path. Your first exam is free; every pass gives a certificate anyone can verify.
Scenario-based system design practice exam covering databases, scaling, caching, queues, sharding, reliability, high availability and distributed systems trade-offs.
Scenario-based networking practice exam covering ports, DNS, IP addressing, TCP and UDP, the OSI model, subnetting and HTTP troubleshooting.
Scenario-based Linux practice exam: 50 questions on permissions, files, the shell, text processing, processes, systemd, archives and networking commands.
Scenario-based GenAI and LLM practice exam: 50 questions on RAG, prompting, context windows, LLM security, optimization, embeddings, sampling and tool use.
Scenario-based SRE and platform practice exam: 50 questions on reliability, alerting, observability, releases, SLOs, error budgets, toil and platform patterns.
Scenario-based QA and test automation practice exam: test doubles, test design techniques, flaky tests, CI pipelines, performance testing, automation frameworks and reporting.
Scenario-based mobile development practice exam: performance, Android, iOS, app architecture, security, UI, push notifications and cross-platform frameworks.
Scenario-based frontend engineering practice exam: JavaScript, CSS, React, HTTP, browser storage, web security, performance and accessibility.
Scenario-based practice exam for database engineers covering SQL, keys, normalization, indexing, transactions, concurrency, performance tuning and data warehousing.
Scenario-based practice exam for backend engineers covering HTTP, API design, databases, architecture, security, authentication, queues and caching.
Scenario-based practice exam for SDETs covering testing types, the test pyramid, unit, integration and E2E tests, Selenium and API automation, TDD/BDD, CI and test design.
Scenario-based SRE fundamentals practice exam: SLIs, SLOs and SLAs, error budgets, golden signals, observability, alerting, incident response, toil reduction and platform reliability.
Scenario-based SQL and database practice exam: SELECT, JOIN and GROUP BY queries, keys and constraints, normalization, indexes, ACID transactions and NoSQL basics.
Scenario-based mobile development practice exam: Android with Kotlin, iOS with Swift, Flutter and React Native, app lifecycle, storage, permissions, notifications and performance.
Scenario-based frontend practice exam: modern JavaScript and ES6, React components, props, state and hooks, the DOM and events, CSS layout, and HTTP from the browser.
Scenario-based backend practice exam: REST design, HTTP methods and status codes, Node.js and Python services, databases and SQL, authentication, caching and backend architecture.
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