⚡ Azure Cache for Redis - AZ-204 Practice Questions

Implement caching solutions with Azure Cache for Redis including data expiration, patterns, and cache-aside strategy.

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AZ-204 Azure Cache Question Bank (8 Questions)

Browse all 8 practice questions covering Azure Cache for Redis for the AZ-204 certification exam. Answers are intentionally hidden on this page so you can self-test first before checking results in quiz mode.

  1. Question 1Monitor, troubleshoot, and optimize Azure solutions

    What is Azure Cache for Redis 'cache-aside' pattern implementation?

    ARedis automatically populates itself from the database
    BApplication code checks cache first; on miss, loads from database, stores in cache, returns to caller; on cache invalidation, updates or deletes the cache entry
    CRedis reads ahead from the database to populate cache
    DDatabase automatically writes to Redis on every update

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  2. Question 2Monitor, troubleshoot, and optimize Azure solutions

    A developer notices that Azure Cache for Redis is returning stale data after a product update. The cache TTL is 10 minutes. What is the correct approach to immediately reflect the update?

    AIncrease the TTL to 1 hour
    BInvalidate or delete the specific cache key after the product is updated (cache-aside pattern)
    CDisable the Redis cache temporarily
    DUse a different Redis data structure

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  3. Question 3Monitor, troubleshoot, and optimize Azure solutions

    You need to cache frequently read data to reduce database load in an Azure web app. Which Azure service provides an in-memory distributed cache?

    AAzure Blob Storage
    BAzure Cache for Redis
    CAzure Table Storage
    DAzure Content Delivery Network

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  4. Question 4Develop for Azure storage

    What is the Azure Redis Cache 'eviction policy' and which policy is commonly used for caching scenarios?

    ASecurity policy for Redis access
    BA rule that determines which keys are removed when the cache reaches memory limit; 'allkeys-lru' (Least Recently Used across all keys) or 'volatile-lru' (LRU among keys with TTL set) are common for caches
    CA backup policy for Redis persistence
    DA failover policy for Redis clusters

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  5. Question 5Develop for Azure storage

    What is the Azure Redis Cache 'persistence' feature (RDB/AOF) used for in development?

    AProviding persistent connection pooling
    BWriting in-memory data to storage for durability across Redis restarts; RDB takes periodic snapshots; AOF logs every write — useful for session stores where data loss is unacceptable
    CPersisting Redis configuration changes
    DEnabling Redis Cluster mode

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  6. Question 6Develop Azure compute solutions

    A developer deploys a containerized app to Azure Container Apps. The app must connect to a Redis cache deployed in the same Container Apps environment. What should they use?

    APublic DNS name of the Redis container
    BDapr service invocation using the Redis app's name
    CAzure Cache for Redis external endpoint
    DContainer group DNS label

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  7. Question 7Monitor, troubleshoot, and optimize Azure solutions

    A developer wants to cache Azure Redis responses in a .NET application with automatic expiry. They call GetAsync() and then SetAsync() with an expiry. What pattern is this?

    AWrite-through cache
    BRead-through cache
    CCache-aside (lazy loading) pattern
    DWrite-behind cache

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  8. Question 8Monitor, troubleshoot, and optimize Azure solutions

    A developer configures Azure Cache for Redis as a distributed session store for an ASP.NET Core application. What NuGet package and service registration enables this?

    AMicrosoft.Extensions.Caching.StackExchangeRedis + AddStackExchangeRedisCache()
    BStackExchange.Redis + AddMemoryCache()
    CMicrosoft.AspNetCore.DataProtection.AzureStorage
    DAzure.Storage.Blobs + AddDistributedCache()

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Key Azure Cache Concepts for AZ-204

rediscachecache-asideexpirationttldistributed cachesession statedata cache

AZ-204 Azure Cache Exam Tips

Azure Cache for Redis questions in AZ-204 are typically scenario-based. Focus on Azure application development, integration services, authentication, and runtime reliability. Priority concepts: redis, cache, cache-aside, expiration, ttl, distributed cache.

What AZ-204 Expects

  • Anchor your answer in choose managed developer services that simplify secure integration and deployment.
  • Azure Cache scenarios for AZ-204 are frequently mapped to Domain 5 (15-20%), so read the objective carefully before picking controls or architecture.
  • Expect multi-topic scenarios where Azure Cache interacts with identity, networking, governance, or monitoring patterns rather than appearing as an isolated question.
  • When two options are both technically valid, prefer the choice that best aligns with the exam's operational scope (Associate) and vendor best practices.

High-Value Azure Cache Concepts

  • Know the core Azure Cache building blocks cold: redis, cache, cache-aside, expiration.
  • Review the edge-case features and limits for ttl, distributed cache; these details are commonly used to differentiate answer choices.
  • Practice service-integration reasoning: how Azure Cache pairs with Cosmos DB, App Service in real deployment patterns.
  • For AZ-204, explain why the chosen Azure Cache design meets reliability, security, and cost expectations better than the alternatives.

Common AZ-204 Traps

  • Watch for using infrastructure-heavy answers for app-level requirements.
  • Questions in Connect to and Consume Azure Services often include distractors that look correct for Azure Cache but violate least-privilege, compliance, or availability requirements.
  • Avoid picking options purely by feature name; validate data path, failure handling, and governance impact before answering.
  • If the prompt hints at automation or repeatability, eliminate manual-only operational answers first.

Fast Review Checklist

  • Can you compare at least two Azure Cache implementation paths and justify which one best fits the scenario?
  • Can you map the chosen answer back to Connect to and Consume Azure Services (15-20%) outcomes for AZ-204?
  • Can you explain security and access boundaries for Azure Cache without relying on default-open assumptions?
  • Can you describe how Azure Cache integrates with Cosmos DB and App Service during failure, scaling, and monitoring events?

Exam Domains Covering Azure Cache

Domain 5Connect to and Consume Azure Services15-20%

Related Resources

🎯 Free AZ-204 Mock Exam Cosmos DB Questions App Service Questions

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