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Tests Catalog

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Microservices — Advanced
Information Technology›Architecture
Microservices

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

18
36
70%
Advanced
Open test
Microservices — Intermediate
Information Technology›Architecture
Microservices

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

16
32
70%
Intermediate
Open test
Microservices — Beginner
Information Technology›Architecture
Microservices

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

12
24
70%
Beginner
Open test
System Design — Advanced
Information Technology›Architecture
System Design

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

18
36
70%
Advanced
Open test
System Design — Intermediate
Information Technology›Architecture
System Design

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

16
32
70%
Intermediate
Open test
System Design — Beginner
Information Technology›Architecture
System Design

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.

12
24
70%
Beginner
Open test
Git — Intermediate
Information Technology›Architecture
Git

Merging, rebasing, history repair workflows safely, and collaboration mechanics. Mix of single-answer and multiple-answer items; multi-select questions ask you to select every correct statement.

16
32
70%
Intermediate
Open test
Git — Beginner
Information Technology›Architecture
Git

Everyday version control: commits, branches, remotes, and history basics. Mix of single-answer and multiple-answer items; multi-select questions ask you to select every correct statement.

12
24
70%
Beginner
Open test
Git — Advanced
Information Technology›Architecture
Git

Object model footnotes, signing, large-repo mechanics, and recovery tooling beyond daily commands. Mix of single-answer and multiple-answer items; multi-select questions ask you to select every correct statement.

18
36
70%
Advanced
Open test
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