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Microsoft AZ-305 Practice Test 41

Question 400

An API must get predictable low latency for key-value documents without joining relational tables. Which Azure architecture choice best meets this requirement?

  1. Enable unlimited global fanout for all simple point lookups.
  2. Use one constant tenant ID for every globally distributed order.
  3. Use Azure Cosmos DB for NoSQL with suitable throughput and partitioning.
  4. Force all JSON data through normalized SQL joins with no business need.

Explanation

Correct Answer

C:

Cosmos DB is optimized for distributed document/key-value access patterns.

Incorrect Answers

A:

Unnecessary fanout adds cost and latency. In the present requirement, an API must get predictable low latency for key-value documents without joining relational tables. The needed design instead works because cosmos DB is optimized for distributed document/key-value access patterns.

B:

One partition key value concentrates writes and can hit physical or logical limits. In the present requirement, an API must get predictable low latency for key-value documents without joining relational tables. The needed design instead works because cosmos DB is optimized for distributed document/key-value access patterns.

D:

Relational joins add avoidable complexity for simple document retrieval. This proposal contradicts the stated architecture constraint.

Question 401

An architecture proposal for cosmos db partitioning and throughput relies on the following approach: Force all JSON data through normalized SQL joins with no business need. Which specific failure or mismatch should the design reviewer identify?

  1. Relational joins add avoidable complexity for simple document retrieval.
  2. One partition key value concentrates writes and can hit physical or logical limits.
  3. Unnecessary fanout adds cost and latency.
  4. Eventual consistency does not guarantee session read-your-writes.

Explanation

Correct Answer

A:

Force all JSON data through normalized SQL joins with no business need. Relational joins add avoidable complexity for simple document retrieval.

Incorrect Answers

B:

That assessment refers to the separate proposal 'Use one constant tenant ID for every globally distributed order.' not to the recommendation under review. Here, Relational joins add avoidable complexity for simple document retrieval.

C:

That assessment refers to the separate proposal 'Enable unlimited global fanout for all simple point lookups.' not to the recommendation under review. Here, Relational joins add avoidable complexity for simple document retrieval.

D:

This concern applies to Choose eventual consistency and promise every new read immediately sees its own writes. in another design data storage solutions for semi-structured and unstructured data design. The current proposal specifically fails because relational joins add avoidable complexity for simple document retrieval.

Question 402

Acceptance testing must establish the following operational result: Measured point-read behavior establishes the NoSQL access pattern. Which verification action most directly establishes that outcome?

  1. Inspect query diagnostics and RUs for targeted versus cross-partition reads.
  2. Examine normalized RU consumption and hot partition metrics during load.
  3. Benchmark point reads by id and partition key.
  4. Test writes followed by cross-region reads with the same client session.

Explanation

Correct Answer

C:

Measured point-read behavior establishes the NoSQL access pattern.

Incorrect Answers

A:

That verification addresses the different requirement: A product team wants to minimize RU charges caused by cross-partition queries. It does not directly establish measured point-read behavior establishes the NoSQL access pattern.

B:

That verification addresses the different requirement: A global customer-order collection has hot writes concentrated under one partition key. It does not directly establish measured point-read behavior establishes the NoSQL access pattern.

D:

This is a test for A globally distributed application needs guaranteed read-your-writes for a user's own session across regions. The requirement here is instead demonstrated by benchmark point reads by id and partition key.

Question 403

A product team wants to minimize RU charges caused by cross-partition queries. Which Azure architecture choice best meets this requirement?

  1. Force all JSON data through normalized SQL joins with no business need.
  2. Enable unlimited global fanout for all simple point lookups.
  3. Redesign query access patterns or partition key to favor targeted partition reads.
  4. Use one constant tenant ID for every globally distributed order.

Explanation

Correct Answer

C:

Cross-partition fanout consumes resources compared with partition-targeted operations.

Incorrect Answers

A:

Relational joins add avoidable complexity for simple document retrieval. In the present requirement, a product team wants to minimize RU charges caused by cross-partition queries. The needed design instead works because cross-partition fanout consumes resources compared with partition-targeted operations.

B:

Unnecessary fanout adds cost and latency. This proposal contradicts the stated architecture constraint.

D:

One partition key value concentrates writes and can hit physical or logical limits. In the present requirement, a product team wants to minimize RU charges caused by cross-partition queries. The needed design instead works because cross-partition fanout consumes resources compared with partition-targeted operations.

Question 404

An architecture proposal for cosmos db partitioning and throughput relies on the following approach: Enable unlimited global fanout for all simple point lookups. Which specific failure or mismatch should the design reviewer identify?

  1. Automatic expiry conflicts with an indefinite preservation requirement.
  2. Relational joins add avoidable complexity for simple document retrieval.
  3. Unnecessary fanout adds cost and latency.
  4. One partition key value concentrates writes and can hit physical or logical limits.

Explanation

Correct Answer

C:

Enable unlimited global fanout for all simple point lookups. Unnecessary fanout adds cost and latency.

Incorrect Answers

A:

This concern applies to Set a one-day lifecycle expiration for the litigation container. in another design data storage solutions for semi-structured and unstructured data design. The current proposal specifically fails because unnecessary fanout adds cost and latency.

B:

That assessment refers to the separate proposal 'Force all JSON data through normalized SQL joins with no business need.' not to the recommendation under review. Here, Unnecessary fanout adds cost and latency.

D:

That assessment refers to the separate proposal 'Use one constant tenant ID for every globally distributed order.' not to the recommendation under review. Here, Unnecessary fanout adds cost and latency.

Question 405

Acceptance testing must establish the following operational result: Query comparison demonstrates efficiency gains. Which verification action most directly establishes that outcome?

  1. Inspect query diagnostics and RUs for targeted versus cross-partition reads.
  2. Benchmark point reads by id and partition key.
  3. Check object immutability state and release permissions.
  4. Examine normalized RU consumption and hot partition metrics during load.

Explanation

Correct Answer

A:

Query comparison demonstrates efficiency gains.

Incorrect Answers

B:

That verification addresses the different requirement: An API must get predictable low latency for key-value documents without joining relational tables. It does not directly establish query comparison demonstrates efficiency gains.

C:

This is a test for Litigation requires evidence preservation with no known release date. The requirement here is instead demonstrated by inspect query diagnostics and RUs for targeted versus cross-partition reads.

D:

That verification addresses the different requirement: A global customer-order collection has hot writes concentrated under one partition key. It does not directly establish query comparison demonstrates efficiency gains.

Question 406

A globally distributed application needs guaranteed read-your-writes for a user's own session across regions. Which Azure architecture choice best meets this requirement?

  1. Select Cosmos DB session consistency with correct session token handling.
  2. Select a full SQL VM solely because every entity has two key columns.
  3. Choose eventual consistency and promise every new read immediately sees its own writes.
  4. Assume strong consistency has identical latency and topology support as eventual.

Explanation

Correct Answer

A:

Session consistency provides client-session read-your-writes guarantees.

Incorrect Answers

B:

Database server administration can be disproportionate for simple key-value storage. In the present requirement, a globally distributed application needs guaranteed read-your-writes for a user's own session across regions. The needed design instead works because session consistency provides client-session read-your-writes guarantees.

C:

Eventual consistency does not guarantee session read-your-writes. This proposal contradicts the stated architecture constraint.

D:

Higher consistency entails availability and geographic limitations. In the present requirement, a globally distributed application needs guaranteed read-your-writes for a user's own session across regions. The needed design instead works because session consistency provides client-session read-your-writes guarantees.

Question 407

An architecture proposal for cosmos db consistency and nosql choices relies on the following approach: Choose eventual consistency and promise every new read immediately sees its own writes. Which specific failure or mismatch should the design reviewer identify?

  1. Eventual consistency does not guarantee session read-your-writes.
  2. Database server administration can be disproportionate for simple key-value storage.
  3. HDD performance characteristics are not equivalent to premium block storage.
  4. Higher consistency entails availability and geographic limitations.

Explanation

Correct Answer

A:

Choose eventual consistency and promise every new read immediately sees its own writes. Eventual consistency does not guarantee session read-your-writes.

Incorrect Answers

B:

That assessment refers to the separate proposal 'Select a full SQL VM solely because every entity has two key columns.' not to the recommendation under review. Here, Eventual consistency does not guarantee session read-your-writes.

C:

This concern applies to Use a small Standard HDD and assume premium latency without testing. in another design data storage solutions for semi-structured and unstructured data design. The current proposal specifically fails because eventual consistency does not guarantee session read-your-writes.

D:

That assessment refers to the separate proposal 'Assume strong consistency has identical latency and topology support as eventual.' not to the recommendation under review. Here, Eventual consistency does not guarantee session read-your-writes.

Question 408

Acceptance testing must establish the following operational result: Observable session guarantees validate the selected consistency level. Which verification action most directly establishes that outcome?

  1. Run representative IO benchmarks while checking VM disk throughput caps.
  2. Test partition-key and row-key queries with realistic entity counts.
  3. Load-test latency and read correctness under supported topology.
  4. Test writes followed by cross-region reads with the same client session.

Explanation

Correct Answer

D:

Observable session guarantees validate the selected consistency level.

Incorrect Answers

A:

This is a test for A transaction-heavy Azure VM requires consistent high IOPS with supported low-latency disk features. The requirement here is instead demonstrated by test writes followed by cross-region reads with the same client session.

B:

That verification addresses the different requirement: An app requires large-scale simple property-based entities but no document joins or relational schema. It does not directly establish observable session guarantees validate the selected consistency level.

C:

That verification addresses the different requirement: A financial workflow prioritizes strict read ordering over maximum global read availability. It does not directly establish observable session guarantees validate the selected consistency level.

Question 409

A financial workflow prioritizes strict read ordering over maximum global read availability. Which Azure architecture choice best meets this requirement?

  1. Select a full SQL VM solely because every entity has two key columns.
  2. Assume strong consistency has identical latency and topology support as eventual.
  3. Choose eventual consistency and promise every new read immediately sees its own writes.
  4. Evaluate strong consistency in Cosmos DB with supported region constraints.

Explanation

Correct Answer

D:

Strong consistency enforces a stricter committed read order with trade-offs.

Incorrect Answers

A:

Database server administration can be disproportionate for simple key-value storage. In the present requirement, a financial workflow prioritizes strict read ordering over maximum global read availability. The needed design instead works because strong consistency enforces a stricter committed read order with trade-offs.

B:

Higher consistency entails availability and geographic limitations. This proposal contradicts the stated architecture constraint.

C:

Eventual consistency does not guarantee session read-your-writes. In the present requirement, a financial workflow prioritizes strict read ordering over maximum global read availability. The needed design instead works because strong consistency enforces a stricter committed read order with trade-offs.

Question 410

An architecture proposal for cosmos db consistency and nosql choices relies on the following approach: Assume strong consistency has identical latency and topology support as eventual. Which specific failure or mismatch should the design reviewer identify?

  1. Eventual consistency does not guarantee session read-your-writes.
  2. Database server administration can be disproportionate for simple key-value storage.
  3. Removing live blobs can destroy application data unrelated to obsolete versions.
  4. Higher consistency entails availability and geographic limitations.

Explanation

Correct Answer

D:

Assume strong consistency has identical latency and topology support as eventual. Higher consistency entails availability and geographic limitations.

Incorrect Answers

A:

That assessment refers to the separate proposal 'Choose eventual consistency and promise every new read immediately sees its own writes.' not to the recommendation under review. Here, Higher consistency entails availability and geographic limitations.

B:

That assessment refers to the separate proposal 'Select a full SQL VM solely because every entity has two key columns.' not to the recommendation under review. Here, Higher consistency entails availability and geographic limitations.

C:

This concern applies to Delete every current object indiscriminately to clear its old versions. in another design data storage solutions for semi-structured and unstructured data design. The current proposal specifically fails because higher consistency entails availability and geographic limitations.

Designing Microsoft Azure Infrastructure Solutions (AZ-305) Practice Tests