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Azure Data Fundamentals (DP-900) Exam Preparation 2026

This course is for people preparing for Microsoft Exam DP-900: Azure Data Fundamentals, the beginner exam on core data concepts and Microsoft cloud data services. Four lessons follow the four skill areas in Microsoft's study guide, with practical exercises. Each lesson has an untimed topic quiz with explanations, and a timed 40-question final assessment unlocks a certificate of completion when you score 80% or more.

  • Kurso
  • Canada
  • 80 tanong
  • Sinuri noong Oktubre 13, 2026
  • Na-fact-check noong Oktubre 13, 2026

Mabilis na sagot

Ang libreng kursong ito ay may mga 300 minutong aralin, 4 quiz sa paksa na walang limitasyon sa oras (80 tanong lahat) at isang final assessment na may oras na may 40 tanong na pinili nang random. Kumuha ng 80% o higit pa sa final assessment para ma-download ang sertipiko ng pagkumpleto (pribado, hindi accredited). Sinuri laban sa mga opisyal na sanggunian noong Oktubre 13, 2026.

Magsimula sa mga aralinAzure Data Fundamentals (DP-900): Lessons: mga 300 minutong pagbasa. Saklaw ng mga aralin ang bawat tanong sa pagsusulit.

Ang matututunan mo

  • Describe structured, semi-structured and unstructured data and common file formats
  • Explain transactional (OLTP) and analytical workloads, including ACID rules
  • Identify the main responsibilities of database administrators, data engineers and data analysts
  • Use relational ideas such as keys, normalization and common SQL statements
  • Choose between Azure SQL Database, Azure SQL Managed Instance, SQL Server on Azure VMs and open-source database services
  • Describe Azure Blob Storage, Azure Files, Azure Table storage and Azure Cosmos DB APIs
  • Describe large-scale and real-time analytics with Microsoft Fabric, Azure Databricks and related services
  • Pick suitable Power BI visuals and describe the parts of a data model

Kumuha ng 80% o higit pa para ma-download ang iyong sertipiko.

Ang iyong study plan

Basahin ang bawat aralin, sagutan ang quiz nito (walang limitasyon sa oras, may paliwanag), saka ang final assessment na may oras. Bagong halo ng mga tanong ang pinipili sa bawat pagkakataon. Naka-save ang iyong progreso sa browser na ito.

  1. Basahin ang mga aralin4 aralin, mga 300 min
  2. Quiz sa paksa 1: Core data concepts20 tanong
  3. Quiz sa paksa 2: Relational data on Azure20 tanong
  4. Quiz sa paksa 3: Non-relational data on Azure20 tanong
  5. Quiz sa paksa 4: Analytics workloads20 tanong
  6. Final exam40 tanong, 40 min · Kumuha ng 80% o higit pa

Quiz sa paksa 1: Core data concepts

  1. Tanong 1 ng 20

    Which kind of data follows a fixed schema, so every record has the same fields?
    Ipakita ang sagot

    Sagot: A. Structured data

    Structured data follows a fixed schema, usually as tables of rows and columns, so all records have the same fields.

  2. Tanong 2 ng 20

    A company stores customers as JSON documents. Some customers have two email addresses, and some have none. What kind of data is this?
    Ipakita ang sagot

    Sagot: B. Semi-structured data

    Semi-structured data has some structure but allows variation between records. JSON is a common format for it.

  3. Tanong 3 ng 20

    Video recordings from a security camera are an example of which kind of data?
    Ipakita ang sagot

    Sagot: B. Unstructured data

    Documents, images, audio, video and other binary files have no specific structure, so they are unstructured data.

  4. Tanong 4 ng 20

    In a customer record, the customer's phone number is best described as what?
    Ipakita ang sagot

    Sagot: D. An attribute of an entity

    Entities are the things an organization cares about, such as customers. Attributes are their characteristics, such as name, address and phone number.

  5. Tanong 5 ng 20

    Which file format separates fields with commas and puts each record on its own line?
    Ipakita ang sagot

    Sagot: D. CSV

    CSV is the most common delimited text format: commas separate fields, and a new line ends each row.

  6. Tanong 6 ng 20

    Which human-readable format uses tags in angle brackets and has largely been replaced by the less wordy JSON format?
    Ipakita ang sagot

    Sagot: A. XML

    XML defines elements and attributes with tags in angle brackets. It was popular in the 1990s and 2000s, but JSON has largely replaced it.

  7. Tanong 7 ng 20

    Which statement describes the Parquet file format?
    Ipakita ang sagot

    Sagot: A. A columnar format that stores each column's data together

    Parquet is a columnar format from Apache. Data for each column is stored together in row groups, and metadata helps apps find the right chunk quickly.

  8. Tanong 8 ng 20

    Which optimized file format is row-based and stores a JSON header that describes the binary records in the file?
    Ipakita ang sagot

    Sagot: A. Avro

    Avro is a row-based format created by Apache. Its JSON header describes the structure, and the data is stored as binary blocks of records.

  9. Tanong 9 ng 20

    In which type of non-relational database does each record have a unique key and a value that can be in any format?
    Ipakita ang sagot

    Sagot: A. Key-value database

    A key-value database stores each record as a unique key with an associated value in any format.

  10. Tanong 10 ng 20

    A social network wants to store people as nodes and the links between them as relationships. Which type of database fits best?
    Ipakita ang sagot

    Sagot: B. Graph database

    Graph databases store entities as nodes, with links that define the relationships between them.

  11. Tanong 11 ng 20

    Which type of database is a form of key-value database in which the value is a JSON document that the system can parse and query?
    Ipakita ang sagot

    Sagot: A. Document database

    A document database is a specific form of key-value database where the value is a JSON document the system is optimized to parse and query.

  12. Tanong 12 ng 20

    A store's checkout system records thousands of sales every hour and must create, read, update and delete records quickly. What kind of workload is this?
    Ipakita ang sagot

    Sagot: B. A transactional (OLTP) workload

    Online transactional processing (OLTP) systems record many small transactions and are optimized for both reads and writes (CRUD operations).

  13. Tanong 13 ng 20

    A bank moves $75 from account A ($500) to account B ($120). The debit from A works, but the credit to B fails. If the system follows ACID rules, what are the balances after the transaction ends?
    Ipakita ang sagot

    Sagot: A. A $500 and B $120

    Atomicity means a transaction succeeds completely or fails completely. Because the credit failed, the debit is also undone, so both balances stay as they were.

  14. Tanong 14 ng 20

    A transaction is committed, and then the database server loses power. When the server restarts, the change is still there. Which ACID property is this?
    Ipakita ang sagot

    Sagot: D. Durability

    Durability means that once a transaction is committed, it stays committed, even if the system is switched off and on again.

  15. Tanong 15 ng 20

    While a transfer between two accounts is in progress, another query cannot see one account before the transfer and the other after it. Which ACID property is this?
    Ipakita ang sagot

    Sagot: C. Isolation

    Isolation means transactions running at the same time cannot interfere with each other, so no query sees a half-finished transfer.

  16. Tanong 16 ng 20

    Which role is mainly responsible for database availability, performance, backup and recovery plans, and granting users access to data?
    Ipakita ang sagot

    Sagot: A. Database administrator

    Database administrators manage the design, operation and security of databases, including backups, recovery and user permissions.

  17. Tanong 17 ng 20

    Which role designs and builds data ingestion pipelines, cleansing and transformation steps, and data stores for analytical workloads?
    Ipakita ang sagot

    Sagot: A. Data engineer

    Data engineers build and monitor the pipelines that move and transform data, and they apply data cleaning routines across the organization.

  18. Tanong 18 ng 20

    Which role explores data to find trends, builds analytical models and creates reports and visualizations for the business?
    Ipakita ang sagot

    Sagot: B. Data analyst

    Data analysts turn raw data into insights by exploring it, modelling it and presenting it in reports and visualizations.

  19. Tanong 19 ng 20

    In an analytics solution, data is extracted and loaded into the data lake first, and transformed afterwards. What is this pattern called?
    Ipakita ang sagot

    Sagot: D. ELT

    In ELT (extract, load, transform), data is loaded first and transformed afterwards. In ETL, it is transformed before it is loaded.

  20. Tanong 20 ng 20

    Which type of analytical store combines the flexible, scalable file storage of a data lake with the relational querying of a data warehouse?
    Ipakita ang sagot

    Sagot: B. A data lakehouse

    A data lakehouse puts table abstractions over files in a data lake, so you get lake storage with warehouse-style SQL querying.

Ang dapat malaman bago ang pagsusulit

  • The DP-900 skills measured (as of July 21, 2026) have four areas: core data concepts (25–30%), relational data on Azure (20–25%), non-relational data on Azure (15–20%) and an analytics workload (25–30%).
  • A passing score is 700 or greater. Scores are on a scale of 1 to 1,000, and because they are scaled, 700 may not equal 70% of the points.
  • Fundamentals exams have an exam time of 45 minutes, and Microsoft suggests allowing 65 minutes of seat time.
  • Microsoft does not list the exact number of DP-900 questions. It says most of its certification exams have 40–60 questions, but the number can vary.
  • There is no penalty for guessing, and some exam questions may be unscored, so answer every question.
  • The exam is proctored. You can schedule it through Pearson VUE, or through Certiport if you are a student or educator.
  • If you fail, you can retake the exam 24 hours after the first attempt; the wait for later retakes varies.
  • Fundamentals certifications do not expire.

Mga madalas itanong

Is this the official DP-900 exam?

No. This is an independent practice course with original questions. To take the real exam, register on the Microsoft Learn exam page. Microsoft also offers a free practice assessment there.

What does the certificate of completion show?

It shows that you finished this course and scored at least 80% on its final assessment. It is not the Microsoft Certified: Azure Data Fundamentals certification and is not a Microsoft exam result.

How long is the real DP-900 exam, and how many questions does it have?

Microsoft gives Fundamentals exams 45 minutes. It does not publish the exact number of DP-900 questions; it says most of its exams have 40–60 questions.

What score do I need to pass DP-900?

You need 700 or greater on a scale of 1 to 1,000. It is a scaled score, so it may not equal 70% of the questions.

Does the Azure Data Fundamentals certification expire?

No. Microsoft says Fundamentals certifications do not expire.

How long is the final assessment here?

It has 40 questions in 40 minutes, drawn at random from all four topics, so every attempt is different. You need 80% to pass.

Accredited ba o opisyal na kinikilala ang sertipiko?

Hindi. Ito ay pribadong sertipiko ng pagkumpleto para lamang sa kaalaman. Hindi ito kinikilala, hindi accredited at hindi inaprubahan ng anumang pamahalaan, ahensyang nagbibigay ng lisensya, regulator o institusyong pang-edukasyon, at hindi nito pinapalitan ang anumang lisensya, sertipikasyon o pagsasanay na hinihingi ng batas.

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