Information Technology Tests

Cybersecurity + Kubernetes — Advanced

Advanced cluster hardening: RBAC least privilege, NetworkPolicy segmentation, secret lifecycle and rotation, non-root pod security, and admission control concepts for certification-style scenarios.

Kubernetes + NestJS — Advanced

Advanced scenarios linking Kubernetes probes, resource limits, ConfigMap and Secret injection, rolling updates, and NestJS lifecycle hooks for production API workloads.

NestJS + React — Advanced

Advanced integration scenarios between a NestJS API and a React client: BFF boundaries, cookie-based auth, CORS with credentials, DTO validation, and structured error mapping for forms and global UI.

Python + PostgreSQL + Docker — Intermediate

Compose networking, Alembic/Django migrations, SQLAlchemy pools, secrets, volumes, and everyday incidents when a Python service talks to Postgres in containers.

Linux Admin — Advanced

cgroups/limits, LVM, SELinux/AppArmor awareness, namespaces/capabilities, performance, and production ops patterns. Mix of single-answer and multiple-answer items.

Linux Admin — Intermediate

systemd units, journalctl, networking basics, disks/mounts, cron, users/SSH hardening awareness, and troubleshooting. Mix of single-answer and multiple-answer items.

Linux Admin — Beginner

Filesystem navigation, permissions, processes, packages basics, systemd awareness, and common CLI tools. Mix of single-answer and multiple-answer items; multi-select questions ask you to select every correct statement.

ITIL Basics — Advanced

SVS/practices interplay, risk-based change, CSI measurement, suppliers/OLA, error budgets vs SLAs, and major-incident leadership nuances. Mix of single-answer and multiple-answer items.

ITIL Basics — Intermediate

Priority matrices, change types, CAB awareness, continuum of control, value co-creation, and linking incidents/problems/changes. Mix of single-answer and multiple-answer items.

ITIL Basics — Beginner

ITIL/ITSM awareness: incidents, service requests, problems, changes, and SLA basics. Mix of single-answer and multiple-answer items; multi-select questions ask you to select every correct statement.

Helpdesk — Advanced

Advanced helpdesk operations: major-incident coordination, automation, quality systems, complex troubleshooting, and security handoffs. Mix of single-answer and multiple-answer items; multi-select questions ask you to select every correct statement.

Helpdesk — Intermediate

Intermediate helpdesk: triage queues, workarounds vs root cause, access/MFA support, major incidents, and quality metrics. Mix of single-answer and multiple-answer items; multi-select questions ask you to select every correct statement.

Helpdesk — Beginner

Foundations of workplace support: tickets, priority, communication, password resets, and escalation basics. Mix of single-answer and multiple-answer items; multi-select questions ask you to select every correct statement.

Prompt Engineering — Advanced

Advanced prompting: eval harnesses, adversarial robustness, multi-step agents, cost/latency tradeoffs, grounding quality, and production governance. Mix of single-answer and multiple-answer items; multi-select questions ask you to select every correct statement.

Prompt Engineering — Intermediate

Intermediate prompting: chain-of-thought, structured outputs, evaluation, RAG vs prompting, context limits, and injection awareness. Mix of single-answer and multiple-answer items; multi-select questions ask you to select every correct statement.

Prompt Engineering — Beginner

Foundations of prompting LLMs: clarity, roles, few-shot examples, output format, and basic safety. Mix of single-answer and multiple-answer items; multi-select questions ask you to select every correct statement.

LLM Applications — Advanced

RAG failure modes, agents/tools, LLM-as-judge caveats, jailbreaks, RAG vs fine-tune, KV cache, semantic cache, ACL retrieval, speculative decoding, and SLOs.

LLM Applications — Intermediate

RAG chunking/retrieval, prompt injection, tools, structured outputs, evals, hybrid search, cost/latency, memory, guardrails, and faithfulness.

LLM Applications — Beginner

LLM basics: tokens, temperature, context window, hallucinations, system prompts, RAG/embeddings intro, few-shot, rate limits, and safety.

ML Fundamentals — Advanced

Bias–variance, calibration, interpretability caveats, imbalance metrics, deep learning training dynamics, transfer/domain shift, causality limits, nested CV, and drift.

ML Fundamentals — Intermediate

Regularization, ROC/F1, imbalance, scaling, encodings, ensembles, leakage, early stopping, losses, softmax, embeddings, and tuning discipline.

ML Fundamentals — Beginner

Supervised vs unsupervised, splits, overfitting, labels, classification vs regression, metrics basics, loss, gradient descent, and cross-validation.

Microservices — Advanced

Outbox/inbox, 2PC pitfalls, event sourcing, compensation failures, canaries, chaos, schema evolution, mTLS, strangler fig, multi-tenant isolation, and CAP choices.

Microservices — Intermediate

Sagas, BFF, outbox, consumer safety, contract tests, tracing, bulkheads, retries, DDD boundaries, mesh sidecars, and CDC.

Microservices — Beginner

Service boundaries, monolith trade-offs, sync vs async risks, gateway, discovery, data ownership, health checks, and basic resilience/observability.

System Design — Advanced

Consensus, CRDTs, sagas vs 2PC, multi-region, capacity/SLA math, failure detectors, and advanced cache/partitioning failure modes.

System Design — Intermediate

Sharding, hashing, consistency models, CQRS, rate limits, queues vs sync, circuit breakers, quorum, and cache coherence. Mix of single-answer and multiple-answer items.

System Design — Beginner

Foundations: latency vs throughput, scaling, caching, load balancing, availability, and basic consistency. Mix of single-answer and multiple-answer items; multi-select questions ask you to select every correct statement.

Flutter — Advanced

Advanced Flutter: Element/RenderObject pipeline, isolates, Impeller/jank, custom painters, restoration, and architecture trade-offs. Mix of single-answer and multiple-answer items.

Flutter — Intermediate

Intermediate Flutter: InheritedWidget/Provider patterns, FutureBuilder, forms, Navigator 2.0/go_router concepts, and performance basics. Mix of single-answer and multiple-answer items.

Flutter — Beginner

Flutter foundations: widgets, Stateless/Stateful, layout basics, navigation intro, and hot reload. Mix of single-answer and multiple-answer items.

Kotlin — Advanced

Advanced Kotlin: coroutine contexts, channels/flows, multiplatform expect/actual, inline classes, DSLs, and performance pitfalls. Mix of single-answer and multiple-answer items.

Kotlin — Intermediate

Intermediate Kotlin: extensions, sealed types, coroutines basics, scope functions, generics, and Java interop. Mix of single-answer and multiple-answer items.

Kotlin — Beginner

Kotlin language foundations for Android and multiplatform: null safety, vals/vars, functions, collections, and basic types. Mix of single-answer and multiple-answer items.

IAM — Advanced

Advanced IAM: zero-trust access patterns, token binding, privilege boundaries, policy-as-code, and identity threat detection. Mix of single-answer and multiple-answer items.

IAM — Intermediate

Intermediate IAM: federation protocols, OAuth/OIDC concepts, groups vs roles, secrets for workloads, and access reviews. Mix of single-answer and multiple-answer items.

IAM — Beginner

Identity and access management foundations: authentication vs authorization, least privilege, MFA, and basic role ideas. Mix of single-answer and multiple-answer items.

OWASP — Advanced

Advanced OWASP builder awareness: defense-in-depth, API/auth pitfalls, deserialization and race themes, ASVS-style thinking, and secure operations. Mix of single-answer and multiple-answer items.

OWASP — Intermediate

Intermediate OWASP awareness: SSRF, XSS types, CSRF, supply chain, insecure design, and practical mitigations for builders. Mix of single-answer and multiple-answer items.

OWASP — Beginner

OWASP Top 10 awareness for builders: core risk categories, safe defaults, and defensive habits. Mix of single-answer and multiple-answer items; multi-select questions ask you to select every correct statement.

dbt — Advanced

Advanced incremental strategies, semantic layer concepts, CI for dbt, Slim CI, unit tests, governance, and performance. Mix of single-answer and multiple-answer items.

dbt — Intermediate

Incremental models, snapshots, macros, packages, exposures, and selection syntax. Mix of single-answer and multiple-answer items.

dbt — Beginner

dbt Core basics: projects, models, refs, materializations, and `dbt run`/`test`. Mix of single-answer and multiple-answer items.

SQL Fundamentals — Advanced

Window functions, recursive CTEs, isolation levels, EXPLAIN/plans, upsert patterns, deadlocks, and advanced join/set techniques. Mix of single-answer and multiple-answer items.

SQL Fundamentals — Intermediate

LEFT/anti-joins, GROUP BY/HAVING, subqueries, CTEs, CASE/COALESCE, EXISTS, set ops nuance, and basic transaction/index awareness. Mix of single-answer and multiple-answer items.

SQL Fundamentals — Beginner

Core SQL: SELECT, WHERE, ORDER BY, NULL, aggregates, DISTINCT, LIKE, and simple INNER JOIN. Mix of single-answer and multiple-answer items; multi-select questions ask you to select every correct statement.

API Testing — Advanced

Advanced API quality: async/eventual consistency, versioning, rate limits, mocking/virtualization boundaries, GraphQL quirks, and CI strategy for contracts. Mix of single-answer and multiple-answer items.

API Testing — Intermediate

Auth flows, schema/contract checks, idempotency keys, pagination, error models, and environment isolation for API suites. Mix of single-answer and multiple-answer items.

API Testing — Beginner

HTTP fundamentals for API tests: methods, status codes, headers, JSON bodies, query params, and basic positive/negative checks. Mix of single-answer and multiple-answer items.

Playwright — Advanced

Custom fixtures, tracing and flaky-test control, advanced routing/HAR, component vs e2e boundaries, auth edge cases, and CI sharding/performance. Mix of single-answer and multiple-answer items.