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Microsoft AZ-305 Practice Test 40

Question 390

Acceptance testing must establish the following operational result: Combined host and disk measurements validate effective performance. Which verification action most directly establishes that outcome?

  1. Estimate access, early deletion and rehydration charges for the retention period.
  2. Inspect disk SKU and supported zone failure properties.
  3. Run representative IO benchmarks while checking VM disk throughput caps.
  4. Review Azure Monitor disk metrics and provisioned versus consumed capacity.

Explanation

Correct Answer

C:

Combined host and disk measurements validate effective performance.

Incorrect Answers

A:

This is a test for Compliance files are retained for years and are rarely opened but can wait for retrieval. The requirement here is instead demonstrated by run representative IO benchmarks while checking VM disk throughput caps.

B:

That verification addresses the different requirement: A platform architect wants all managed disks to survive zonal failure simply because the VMs use zones. It does not directly establish combined host and disk measurements validate effective performance.

D:

That verification addresses the different requirement: A dev VM has a large disk but rarely uses more than a fraction of provisioned capacity. It does not directly establish combined host and disk measurements validate effective performance.

Question 391

A dev VM has a large disk but rarely uses more than a fraction of provisioned capacity. Which Azure architecture choice best meets this requirement?

  1. Use a small Standard HDD and assume premium latency without testing.
  2. Buy an Ultra Disk for every low-utilization development VM.
  3. Assume an LRS disk becomes zone-redundant when attached to a zonal VM.
  4. Right-size managed disk type and capacity after measuring IO and size.

Explanation

Correct Answer

D:

Disk price depends on selected performance SKU and capacity, not just used bytes.

Incorrect Answers

A:

HDD performance characteristics are not equivalent to premium block storage. In the present requirement, a dev VM has a large disk but rarely uses more than a fraction of provisioned capacity. The needed design instead works because disk price depends on selected performance SKU and capacity, not just used bytes.

B:

Overprovisioned high-end disks waste budget without workload benefit. This proposal contradicts the stated architecture constraint.

C:

Disk redundancy is a separate SKU capability and dependency. In the present requirement, a dev VM has a large disk but rarely uses more than a fraction of provisioned capacity. The needed design instead works because disk price depends on selected performance SKU and capacity, not just used bytes.

Question 392

An architecture proposal for managed disks cost and io performance relies on the following approach: Buy an Ultra Disk for every low-utilization development VM. Which specific failure or mismatch should the design reviewer identify?

  1. HDD performance characteristics are not equivalent to premium block storage.
  2. Broad account access overreaches data classification boundaries.
  3. Disk redundancy is a separate SKU capability and dependency.
  4. Overprovisioned high-end disks waste budget without workload benefit.

Explanation

Correct Answer

D:

Buy an Ultra Disk for every low-utilization development VM. Overprovisioned high-end disks waste budget without workload benefit.

Incorrect Answers

A:

That assessment refers to the separate proposal 'Use a small Standard HDD and assume premium latency without testing.' not to the recommendation under review. Here, Overprovisioned high-end disks waste budget without workload benefit.

B:

This concern applies to Grant all analysts Storage Blob Data Owner on the entire account. in another design data storage solutions for semi-structured and unstructured data design. The current proposal specifically fails because overprovisioned high-end disks waste budget without workload benefit.

C:

That assessment refers to the separate proposal 'Assume an LRS disk becomes zone-redundant when attached to a zonal VM.' not to the recommendation under review. Here, Overprovisioned high-end disks waste budget without workload benefit.

Question 393

Acceptance testing must establish the following operational result: Cost and IO evidence supports optimization. Which verification action most directly establishes that outcome?

  1. Run representative IO benchmarks while checking VM disk throughput caps.
  2. Inspect disk SKU and supported zone failure properties.
  3. Test each team's access to approved and forbidden paths.
  4. Review Azure Monitor disk metrics and provisioned versus consumed capacity.

Explanation

Correct Answer

D:

Cost and IO evidence supports optimization.

Incorrect Answers

A:

That verification addresses the different requirement: A transaction-heavy Azure VM requires consistent high IOPS with supported low-latency disk features. It does not directly establish cost and IO evidence supports optimization.

B:

That verification addresses the different requirement: A platform architect wants all managed disks to survive zonal failure simply because the VMs use zones. It does not directly establish cost and IO evidence supports optimization.

C:

This is a test for Finance and marketing data must be separated within one data lake while pipelines share storage. The requirement here is instead demonstrated by review Azure Monitor disk metrics and provisioned versus consumed capacity.

Question 394

A platform architect wants all managed disks to survive zonal failure simply because the VMs use zones. Which Azure architecture choice best meets this requirement?

  1. Buy an Ultra Disk for every low-utilization development VM.
  2. Use a small Standard HDD and assume premium latency without testing.
  3. Check managed-disk redundancy and zonal support independently of VM placement.
  4. Assume an LRS disk becomes zone-redundant when attached to a zonal VM.

Explanation

Correct Answer

C:

VM availability zones do not automatically convert all disks to ZRS.

Incorrect Answers

A:

Overprovisioned high-end disks waste budget without workload benefit. In the present requirement, a platform architect wants all managed disks to survive zonal failure simply because the VMs use zones. The needed design instead works because vM availability zones do not automatically convert all disks to ZRS.

B:

HDD performance characteristics are not equivalent to premium block storage. In the present requirement, a platform architect wants all managed disks to survive zonal failure simply because the VMs use zones. The needed design instead works because vM availability zones do not automatically convert all disks to ZRS.

D:

Disk redundancy is a separate SKU capability and dependency. This proposal contradicts the stated architecture constraint.

Question 395

An architecture proposal for managed disks cost and io performance relies on the following approach: Assume an LRS disk becomes zone-redundant when attached to a zonal VM. Which specific failure or mismatch should the design reviewer identify?

  1. Overprovisioned high-end disks waste budget without workload benefit.
  2. Archive rehydration latency is incompatible with interactive image requests.
  3. Disk redundancy is a separate SKU capability and dependency.
  4. HDD performance characteristics are not equivalent to premium block storage.

Explanation

Correct Answer

C:

Assume an LRS disk becomes zone-redundant when attached to a zonal VM. Disk redundancy is a separate SKU capability and dependency.

Incorrect Answers

A:

That assessment refers to the separate proposal 'Buy an Ultra Disk for every low-utilization development VM.' not to the recommendation under review. Here, Disk redundancy is a separate SKU capability and dependency.

B:

This concern applies to Put actively used images in offline Archive tier. in another design data storage solutions for semi-structured and unstructured data design. The current proposal specifically fails because disk redundancy is a separate SKU capability and dependency.

D:

That assessment refers to the separate proposal 'Use a small Standard HDD and assume premium latency without testing.' not to the recommendation under review. Here, Disk redundancy is a separate SKU capability and dependency.

Question 396

Acceptance testing must establish the following operational result: Configuration checks confirm end-to-end zonal resilience. Which verification action most directly establishes that outcome?

  1. Inspect disk SKU and supported zone failure properties.
  2. Run representative IO benchmarks while checking VM disk throughput caps.
  3. Measure read latency and tier transaction costs under representative traffic.
  4. Review Azure Monitor disk metrics and provisioned versus consumed capacity.

Explanation

Correct Answer

A:

Configuration checks confirm end-to-end zonal resilience.

Incorrect Answers

B:

That verification addresses the different requirement: A transaction-heavy Azure VM requires consistent high IOPS with supported low-latency disk features. It does not directly establish configuration checks confirm end-to-end zonal resilience.

C:

This is a test for A publisher reads product images every hour with low latency requirements. The requirement here is instead demonstrated by inspect disk SKU and supported zone failure properties.

D:

That verification addresses the different requirement: A dev VM has a large disk but rarely uses more than a fraction of provisioned capacity. It does not directly establish configuration checks confirm end-to-end zonal resilience.

Question 397

A globally distributed Cosmos DB collection experiences hot partitions and expensive cross-partition queries. Which TWO design changes address those bottlenecks? (Select TWO.)

  1. Assume higher consistency alone fixes poor partition-key design.
  2. Rewrite frequent reads to include the relevant partition key when possible.
  3. Choose a suitably distributed, high-cardinality partition key based on access patterns.
  4. Assign the same constant partition key to every independent entity.
  5. Force every point lookup to scan every partition.

Explanation

Correct Answers

B:

Targeted reads avoid unnecessary partition fan-out.

C:

A well-chosen key distributes write and storage load.

Incorrect Answers

A:

Consistency guarantees do not repair throughput concentration.

D:

One logical partition can become a hot spot.

E:

Cross-partition fan-out increases RU consumption.

Question 398

An architecture proposal for cosmos db partitioning and throughput relies on the following approach: Use one constant tenant ID for every globally distributed order. Which specific failure or mismatch should the design reviewer identify?

  1. Unnecessary fanout adds cost and latency.
  2. One partition key value concentrates writes and can hit physical or logical limits.
  3. Ordinary management roles do not remove mandatory retention restrictions.
  4. Relational joins add avoidable complexity for simple document retrieval.

Explanation

Correct Answer

B:

Use one constant tenant ID for every globally distributed order. One partition key value concentrates writes and can hit physical or logical limits.

Incorrect Answers

A:

That assessment refers to the separate proposal 'Enable unlimited global fanout for all simple point lookups.' not to the recommendation under review. Here, One partition key value concentrates writes and can hit physical or logical limits.

C:

This concern applies to Assume a storage Owner can bypass a locked WORM policy. in another design data storage solutions for semi-structured and unstructured data design. The current proposal specifically fails because one partition key value concentrates writes and can hit physical or logical limits.

D:

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, One partition key value concentrates writes and can hit physical or logical limits.

Question 399

Acceptance testing must establish the following operational result: Balanced partitions confirm the selected key supports scale. Which verification action most directly establishes that outcome?

  1. Benchmark point reads by id and partition key.
  2. Inspect policy lock state and use an approved nonproduction duration test.
  3. Inspect query diagnostics and RUs for targeted versus cross-partition reads.
  4. Examine normalized RU consumption and hot partition metrics during load.

Explanation

Correct Answer

D:

Balanced partitions confirm the selected key supports scale.

Incorrect Answers

A:

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 balanced partitions confirm the selected key supports scale.

B:

This is a test for An architect wants to change a locked time-based retention policy to shorter duration midterm. The requirement here is instead demonstrated by examine normalized RU consumption and hot partition metrics during load.

C:

That verification addresses the different requirement: A product team wants to minimize RU charges caused by cross-partition queries. It does not directly establish balanced partitions confirm the selected key supports scale.

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.

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