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Describe an analytics workload on Azure →mediumMultiple ChoiceObjective-mapped

Quick Answer

The answer is that GRS will increase storage costs and may cause higher latency. This is because geo-redundant storage replicates your data to a secondary region, meaning you pay for both the primary and secondary copies, which directly raises storage costs. Additionally, if read requests are directed to the secondary region—especially during a failover or when using RA-GRS—they can experience higher latency due to the geographic distance. On the Microsoft Azure Data Fundamentals DP-900 exam, this question tests your understanding of how replication strategies impact cost and performance trade-offs, often appearing as a trap where candidates overlook the latency penalty of GRS versus LRS. A common memory tip is to think of GRS as "Geo = Greater cost and Greater slowness," reminding you that redundancy comes with both a price and a performance hit.

DP-900 Describe an analytics workload on Azure Practice Question

This DP-900 practice question tests your understanding of describe an analytics workload on azure. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.

Exhibit

{
  "type": "Microsoft.Synapse/workspaces/sqlDatabases",
  "apiVersion": "2021-06-01",
  "properties": {
    "collation": "SQL_Latin1_General_CP1_CI_AS",
    "maxSizeBytes": 268435456000,
    "storageAccountType": "GRS"
  }
}

Refer to the exhibit. You are reviewing an ARM template that deploys a SQL database in Azure Synapse. The template sets the storageAccountType to GRS. What is a valid concern regarding cost and performance?

Question 1mediummultiple choice
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Exhibit

{
  "type": "Microsoft.Synapse/workspaces/sqlDatabases",
  "apiVersion": "2021-06-01",
  "properties": {
    "collation": "SQL_Latin1_General_CP1_CI_AS",
    "maxSizeBytes": 268435456000,
    "storageAccountType": "GRS"
  }
}

Answer choices

Why each option matters

Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.

Correct answer & explanation

✓

GRS will increase storage costs and may cause higher latency

Geo-redundant storage (GRS) replicates your data to a secondary region, which increases storage costs because you are paying for both the primary and secondary copies. Additionally, when using GRS with Azure Synapse SQL, read requests may experience higher latency if they are directed to the secondary region, especially during a failover scenario or when using read-access geo-redundant storage (RA-GRS). This makes cost and performance valid concerns when choosing GRS over locally redundant storage (LRS).

Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

  • ✓

    GRS will increase storage costs and may cause higher latency

    Why this is correct

    GRS replicates data to a secondary region, increasing cost and potentially write latency.

    Related concept

    Read the scenario before looking for a memorised answer.

  • ✗

    The collation setting is not compatible with Azure Synapse

    Why it's wrong here

    SQL_Latin1_General_CP1_CI_AS is a commonly supported collation.

  • ✗

    The database cannot be part of a failover group

    Why it's wrong here

    Failover groups can be configured regardless of storage redundancy.

  • ✗

    The database will not support Transparent Data Encryption

    Why it's wrong here

    TDE is independent of storage redundancy.

Common exam traps

Common exam trap: answer the scenario, not the keyword

The trap here is that candidates often assume GRS only affects disaster recovery and ignore its impact on ongoing storage costs and read latency, leading them to dismiss cost and performance as valid concerns.

Detailed technical explanation

How to think about this question

Under the hood, GRS uses asynchronous replication to copy data to a paired secondary region, which introduces a recovery point objective (RPO) of typically less than 15 minutes. In Azure Synapse, the storage account type is set at the server level and applies to all databases, but the actual performance impact of GRS is most noticeable during read operations from the secondary region or when a regional outage triggers a failover. A real-world scenario is a global application that requires high availability but can tolerate slightly higher read latency in exchange for geo-redundancy, making GRS a trade-off between cost, performance, and durability.

KKey Concepts to Remember

  • Read the scenario before looking for a memorised answer.
  • Find the constraint that changes the correct option.
  • Eliminate answers that are true in general but not in this case.

TExam Day Tips

  • Watch for words such as best, first, most likely and least administrative effort.
  • Review why wrong options are wrong, not only why the correct option is correct.

Key takeaway

Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.

Real-world example

How this comes up in practice

A startup's cloud architect reviews their monthly bill and notices costs are higher than expected for a long-running batch job. Switching from on-demand instances to Reserved Instances — or using Spot/Preemptible VMs — can reduce compute costs by up to 72 %. Questions like this test whether you understand the tradeoffs between commitment, flexibility, and cost across cloud pricing models.

What to study next

Got this wrong? Here's your next step.

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

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FAQ

Questions learners often ask

What does this DP-900 question test?

Describe an analytics workload on Azure — This question tests Describe an analytics workload on Azure — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: GRS will increase storage costs and may cause higher latency — Geo-redundant storage (GRS) replicates your data to a secondary region, which increases storage costs because you are paying for both the primary and secondary copies. Additionally, when using GRS with Azure Synapse SQL, read requests may experience higher latency if they are directed to the secondary region, especially during a failover scenario or when using read-access geo-redundant storage (RA-GRS). This makes cost and performance valid concerns when choosing GRS over locally redundant storage (LRS).

What should I do if I get this DP-900 question wrong?

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

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Last reviewed: Jun 24, 2026

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This DP-900 practice question is part of Courseiva's free Microsoft certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the DP-900 exam.