{"id":17140,"date":"2026-09-21T06:39:51","date_gmt":"2026-09-21T06:39:51","guid":{"rendered":"https:\/\/www.examlabs.com\/certification\/?p=17140"},"modified":"2026-09-21T06:39:51","modified_gmt":"2026-09-21T06:39:51","slug":"microsoft-dp-900-practice-test-questions-and-exam-dumps-part17-q321-340","status":"publish","type":"post","link":"https:\/\/www.examlabs.com\/certification\/microsoft-dp-900-practice-test-questions-and-exam-dumps-part17-q321-340\/","title":{"rendered":"Microsoft DP-900 Practice Test Questions and Exam Dumps Part17 Q321-340"},"content":{"rendered":"

View Full <\/b>Microsoft DP-900 Exam Dumps<\/b><\/a> and Practice Test Dumps.<\/b><\/h2>\n

 <\/p>\n

Question 321<\/b><\/h3>\n

Which Azure service is best suited for storing large collections of files such as images, videos, and backups?<\/b><\/p>\n

    \n
  1. Azure SQL Database<\/span><\/li>\n
  2. Azure Blob Storage<\/span><\/li>\n
  3. Azure Queue Storage<\/span><\/li>\n
  4. Azure Table Storage<\/span><\/li>\n<\/ol>\n

    Correct Answer: 2<\/b><\/p>\n

    Explanation<\/b><\/p>\n

    Azure Blob Storage is designed to store large amounts of unstructured object data. Common examples include images, videos, documents, backups, log files, and application data. Blob Storage provides scalable storage without requiring a relational database schema. Data is stored as blobs inside containers, making it suitable for applications that need to store and retrieve files efficiently. Azure SQL Database is intended for relational workloads, Queue Storage is designed for messages, and Table Storage stores NoSQL entities. Therefore, Blob Storage is the appropriate choice for large collections of files and other object-based data.<\/span><\/p>\n

    Question 322<\/b><\/h3>\n

    Which database type is designed primarily to represent relationships between entities as nodes and edges?<\/b><\/p>\n

      \n
    1. Document<\/span><\/li>\n
    2. Key-value<\/span><\/li>\n
    3. Graph<\/span><\/li>\n
    4. Relational<\/span><\/li>\n<\/ol>\n

      Correct Answer: 3<\/b><\/p>\n

      Explanation<\/b><\/p>\n

      A graph database represents information using nodes and edges. Nodes represent entities such as people, products, or locations, while edges represent relationships between those entities. This model is particularly useful when understanding connections is an important part of the application. Examples include social networks, recommendation systems, fraud detection, and network management. Document databases store information as documents, key-value databases use key-value pairs, and relational databases organize data into tables. Therefore, the graph model is specifically designed for workloads where relationships between entities are central to the data.<\/span><\/p>\n

      Question 323<\/b><\/h3>\n

      Which SQL clause is used to sort query results?<\/b><\/p>\n

        \n
      1. WHERE<\/span><\/li>\n
      2. GROUP BY<\/span><\/li>\n
      3. JOIN<\/span><\/li>\n
      4. ORDER BY<\/span><\/li>\n<\/ol>\n

        Correct Answer: 4<\/b><\/p>\n

        Explanation<\/b><\/p>\n

        The ORDER BY clause is used to sort rows returned by a SQL query. It can sort data in ascending or descending order based on one or more columns. For example, a query can use ORDER BY to display customers alphabetically or products from the highest price to the lowest price. WHERE filters rows, GROUP BY creates groups for aggregation, and JOIN combines related tables. ORDER BY is therefore the correct SQL clause when the requirement is to control the ordering of query results.<\/span><\/p>\n

        Question 324<\/b><\/h3>\n

        Which Azure service provides a fully managed relational database based on the SQL Server database engine?<\/b><\/p>\n

          \n
        1. Azure SQL Database<\/span><\/li>\n
        2. Azure Cosmos DB<\/span><\/li>\n
        3. Azure Table Storage<\/span><\/li>\n
        4. Azure Blob Storage<\/span><\/li>\n<\/ol>\n

          Correct Answer: 1<\/b><\/p>\n

          Explanation<\/b><\/p>\n

          Azure SQL Database is a fully managed relational database service based on the SQL Server database engine. Microsoft manages many infrastructure tasks, including patching, backups, and platform maintenance. Applications can use familiar SQL concepts such as tables, relationships, indexes, views, and transactions. Azure Cosmos DB is a NoSQL database service, Table Storage provides a key-attribute NoSQL model, and Blob Storage provides object storage. Azure SQL Database is therefore appropriate when an organization wants a managed relational database without maintaining database server infrastructure directly.<\/span><\/p>\n

          Question 325<\/b><\/h3>\n

          Which concept describes data that follows a predefined schema, such as rows and columns in a table?<\/b><\/p>\n

            \n
          1. Unstructured data<\/span><\/li>\n
          2. Structured data<\/span><\/li>\n
          3. Streaming data<\/span><\/li>\n
          4. Binary data<\/span><\/li>\n<\/ol>\n

            Correct Answer: 2<\/b><\/p>\n

            Explanation<\/b><\/p>\n

            Structured data follows a predefined and organized schema. Relational database tables are a common example because they contain rows and columns with defined data types and relationships. Structured data is generally easier to query using SQL because its organization is known in advance. Unstructured data includes files such as images and videos, while streaming data refers to data arriving continuously over time rather than describing a specific structural format. Understanding data structure helps organizations select suitable storage and processing technologies for different workloads.<\/span><\/p>\n

            Question 326<\/b><\/h3>\n

            Which Azure service can be used to store messages for asynchronous communication between application components?<\/b><\/p>\n

              \n
            1. Azure Blob Storage<\/span><\/li>\n
            2. Azure Queue Storage<\/span><\/li>\n
            3. Azure Files<\/span><\/li>\n
            4. Azure SQL Database<\/span><\/li>\n<\/ol>\n

              Correct Answer: 2<\/b><\/p>\n

              Explanation<\/b><\/p>\n

              Azure Queue Storage provides a simple messaging mechanism for asynchronous communication. Applications can place messages into a queue, and another application or worker can retrieve and process them later. This helps separate application components and can improve reliability when workloads are processed at different speeds. Blob Storage is intended for object data, Azure Files provides shared file storage, and Azure SQL Database provides relational database functionality. Queue Storage is therefore useful when an application needs to temporarily hold messages between producers and consumers.<\/span><\/p>\n

              Question 327<\/b><\/h3>\n

              Which Azure service is designed for real-time analysis of streaming data?<\/b><\/p>\n

                \n
              1. Azure Stream Analytics<\/span><\/li>\n
              2. Azure Data Factory<\/span><\/li>\n
              3. Azure Files<\/span><\/li>\n
              4. Azure Database for MySQL<\/span><\/li>\n<\/ol>\n

                Correct Answer: 1<\/b><\/p>\n

                Explanation<\/b><\/p>\n

                Azure Stream Analytics is a managed service for processing and analyzing streaming data in real time. It can continuously process incoming events and perform filtering, aggregation, and other analytical operations. Typical scenarios include IoT telemetry, application monitoring, real-time dashboards, and event processing. Azure Data Factory is primarily used for data integration and pipeline orchestration, while Azure Files provides shared file storage and MySQL provides relational database functionality. Therefore, Stream Analytics is the most appropriate choice when an organization needs continuous analysis of incoming event streams.<\/span><\/p>\n

                Question 328<\/b><\/h3>\n

                Which key uniquely identifies each row in a relational database table?<\/b><\/p>\n

                  \n
                1. Foreign key<\/span><\/li>\n
                2. Primary key<\/span><\/li>\n
                3. Index key<\/span><\/li>\n
                4. Partition key<\/span><\/li>\n<\/ol>\n

                  Correct Answer: 2<\/b><\/p>\n

                  Explanation<\/b><\/p>\n

                  A primary key uniquely identifies each row in a relational database table. It ensures that two rows cannot have the same primary key value and normally does not allow NULL values. For example, a CustomerID column can serve as the primary key in a Customers table. A foreign key is used to establish relationships between tables, while an index is primarily used to improve query performance. Partition keys are commonly associated with distributed or NoSQL data models. Therefore, the primary key is the correct choice for uniquely identifying relational table rows.<\/span><\/p>\n

                  Question 329<\/b><\/h3>\n

                  Which Azure service is designed for creating and managing data integration pipelines?<\/b><\/p>\n

                    \n
                  1. Azure Data Factory<\/span><\/li>\n
                  2. Azure Cosmos DB<\/span><\/li>\n
                  3. Azure Table Storage<\/span><\/li>\n
                  4. Azure Queue Storage<\/span><\/li>\n<\/ol>\n

                    Correct Answer: 1<\/b><\/p>\n

                    Explanation<\/b><\/p>\n

                    Azure Data Factory is a cloud-based data integration service that allows organizations to create pipelines for moving and transforming data. Pipelines can connect different data sources and destinations and coordinate activities such as copying, transformation, and processing. Data Factory is commonly used in ETL and ELT workflows. Cosmos DB provides NoSQL database capabilities, Table Storage stores NoSQL entities, and Queue Storage provides messaging. Therefore, Azure Data Factory is the appropriate service when the main requirement is to orchestrate data movement and integration activities.<\/span><\/p>\n

                    Question 330<\/b><\/h3>\n

                    Which ACID property ensures that committed data remains saved even after a system failure?<\/b><\/p>\n

                      \n
                    1. Isolation<\/span><\/li>\n
                    2. Atomicity<\/span><\/li>\n
                    3. Durability<\/span><\/li>\n
                    4. Consistency<\/span><\/li>\n<\/ol>\n

                      Correct Answer: 3<\/b><\/p>\n

                      Explanation<\/b><\/p>\n

                      Durability is the ACID property that ensures committed transaction changes are preserved even if a system failure occurs afterward. Once a transaction has been successfully committed, the database should retain those changes. Atomicity ensures a transaction is completed completely or rolled back, consistency ensures database rules remain valid, and isolation controls how concurrent transactions interact. Durability is especially important for systems such as banking, order processing, and financial applications because users expect completed transactions to remain recorded even after unexpected failures.<\/span><\/p>\n

                      Question 331<\/b><\/h3>\n

                      Which Azure service is a globally distributed NoSQL database designed for low-latency access?<\/b><\/p>\n

                        \n
                      1. Azure Files<\/span><\/li>\n
                      2. Azure Cosmos DB<\/span><\/li>\n
                      3. Azure SQL Managed Instance<\/span><\/li>\n
                      4. Azure Blob Storage<\/span><\/li>\n<\/ol>\n

                        Correct Answer: 2<\/b><\/p>\n

                        Explanation<\/b><\/p>\n

                        Azure Cosmos DB is a globally distributed NoSQL database service designed for applications that require scalable performance and low-latency access. It supports multiple data models and can replicate data across geographic regions. This makes it useful for globally distributed applications, IoT solutions, personalization systems, and other modern workloads. Azure Files provides file shares, Azure SQL Managed Instance provides managed relational SQL Server compatibility, and Blob Storage provides object storage. Therefore, Cosmos DB is the appropriate service when a globally distributed NoSQL database is required.<\/span><\/p>\n

                        Question 332<\/b><\/h3>\n

                        Which SQL command adds new rows to an existing table?<\/b><\/p>\n

                          \n
                        1. INSERT<\/span><\/li>\n
                        2. UPDATE<\/span><\/li>\n
                        3. DELETE<\/span><\/li>\n
                        4. SELECT<\/span><\/li>\n<\/ol>\n

                          Correct Answer: 1<\/b><\/p>\n

                          Explanation<\/b><\/p>\n

                          The INSERT statement is used to add new rows to a relational database table. It can specify values for individual columns or insert results returned by another query. For example, an application can use INSERT to add a new customer, product, or order record. UPDATE modifies existing rows, DELETE removes rows, and SELECT retrieves data. INSERT is therefore the correct SQL command when new records need to be created in a table. Proper constraints and data types are also checked when new records are inserted.<\/span><\/p>\n

                          Question 333<\/b><\/h3>\n

                          Which storage option provides a shared file system that can be accessed by multiple virtual machines?<\/b><\/p>\n

                            \n
                          1. Azure Blob Storage<\/span><\/li>\n
                          2. Azure Files<\/span><\/li>\n
                          3. Azure Queue Storage<\/span><\/li>\n
                          4. Azure Table Storage<\/span><\/li>\n<\/ol>\n

                            Correct Answer: 2<\/b><\/p>\n

                            Explanation<\/b><\/p>\n

                            Azure Files provides managed file shares that can be accessed by multiple machines and applications. It is useful when workloads require a shared file system rather than object storage. For example, multiple virtual machines can access files stored in an Azure file share. Blob Storage is designed for object data, Queue Storage is used for messages, and Table Storage is a NoSQL key-attribute store. Azure Files is therefore appropriate for applications that need shared file access in the cloud, especially when migrating workloads that traditionally depend on file servers.<\/span><\/p>\n

                            Question 334<\/b><\/h3>\n

                            Which workload is primarily focused on analyzing historical data and performing complex aggregations?<\/b><\/p>\n

                              \n
                            1. OLTP<\/span><\/li>\n
                            2. OLAP<\/span><\/li>\n
                            3. Message processing<\/span><\/li>\n
                            4. File sharing<\/span><\/li>\n<\/ol>\n

                              Correct Answer: 2<\/b><\/p>\n

                              Explanation<\/b><\/p>\n

                              OLAP stands for Online Analytical Processing and is designed for analytical workloads. OLAP systems commonly process large volumes of historical data and support complex queries, aggregations, reporting, and business intelligence. Analysts may use OLAP workloads to examine sales trends, customer behavior, financial information, and operational performance. OLTP systems are instead optimized for frequent day-to-day transactions such as inserting and updating records. Message processing and file sharing address different requirements. Therefore, OLAP is the correct workload type for historical analysis and complex aggregations.<\/span><\/p>\n

                              Question 335<\/b><\/h3>\n

                              Which Azure service is commonly used as a scalable event ingestion platform for telemetry and application events?<\/b><\/p>\n

                                \n
                              1. Azure Event Hubs<\/span><\/li>\n
                              2. Azure Files<\/span><\/li>\n
                              3. Azure SQL Database<\/span><\/li>\n
                              4. Azure Table Storage<\/span><\/li>\n<\/ol>\n

                                Correct Answer: 1<\/b><\/p>\n

                                Explanation<\/b><\/p>\n

                                Azure Event Hubs is a managed service designed to ingest large volumes of events and telemetry. Applications, IoT devices, monitoring systems, and other producers can send events to Event Hubs, where downstream applications can process or store them. It is commonly used as part of streaming data architectures. Azure Files provides shared file storage, SQL Database is a relational database service, and Table Storage provides NoSQL entities. Event Hubs is therefore the most suitable choice when an organization needs scalable ingestion of high-volume event data.<\/span><\/p>\n

                                Question 336<\/b><\/h3>\n

                                Which SQL clause filters rows based on a specified condition?<\/b><\/p>\n

                                  \n
                                1. ORDER BY<\/span><\/li>\n
                                2. GROUP BY<\/span><\/li>\n
                                3. WHERE<\/span><\/li>\n
                                4. JOIN<\/span><\/li>\n<\/ol>\n

                                  Correct Answer: 3<\/b><\/p>\n

                                  Explanation<\/b><\/p>\n

                                  The WHERE clause filters rows based on conditions specified in a SQL query. For example, a query can use WHERE to return customers from a particular city or products whose prices exceed a certain value. ORDER BY sorts results, GROUP BY creates groups for aggregate calculations, and JOIN combines related data from multiple tables. WHERE is therefore essential when only specific records should be returned or modified. It can be used with SELECT, UPDATE, and DELETE statements to restrict which rows are affected.<\/span><\/p>\n

                                  Question 337<\/b><\/h3>\n

                                  Which Azure service provides a managed PostgreSQL database platform?<\/b><\/p>\n

                                    \n
                                  1. Azure Blob Storage<\/span><\/li>\n
                                  2. Azure Database for PostgreSQL<\/span><\/li>\n
                                  3. Azure Event Hubs<\/span><\/li>\n
                                  4. Azure Cosmos DB<\/span><\/li>\n<\/ol>\n

                                    Correct Answer: 2<\/b><\/p>\n

                                    Explanation<\/b><\/p>\n

                                    Azure Database for PostgreSQL provides a managed PostgreSQL database platform in Azure. It supports PostgreSQL-based applications while reducing the need to manage the underlying database infrastructure manually. Organizations can use PostgreSQL features such as SQL queries, tables, indexes, relationships, and transactions. Blob Storage is intended for object storage, Event Hubs is an event ingestion service, and Cosmos DB provides NoSQL capabilities. Azure Database for PostgreSQL is therefore the correct choice for applications that require a managed PostgreSQL relational database.<\/span><\/p>\n

                                    Question 338<\/b><\/h3>\n

                                    Which type of data commonly includes JSON documents with flexible fields?<\/b><\/p>\n

                                      \n
                                    1. Structured data<\/span><\/li>\n
                                    2. Semi-structured data<\/span><\/li>\n
                                    3. Relational-only data<\/span><\/li>\n
                                    4. Fixed-schema data<\/span><\/li>\n<\/ol>\n

                                      Correct Answer: 2<\/b><\/p>\n

                                      Explanation<\/b><\/p>\n

                                      JSON documents are commonly classified as semi-structured data because they contain organizational elements such as fields, names, and values without requiring every record to follow exactly the same rigid table schema. A JSON document can contain nested objects and arrays, making it flexible for modern applications. Relational tables are typically structured data with predefined columns and data types. Semi-structured formats such as JSON and XML are widely used for APIs, application configuration, logs, and document-oriented databases. Therefore, JSON is a common example of semi-structured data.<\/span><\/p>\n

                                      Question 339<\/b><\/h3>\n

                                      Which Azure analytics service combines data warehousing and large-scale analytical capabilities?<\/b><\/p>\n

                                        \n
                                      1. Azure Synapse Analytics<\/span><\/li>\n
                                      2. Azure Files<\/span><\/li>\n
                                      3. Azure Queue Storage<\/span><\/li>\n
                                      4. Azure Database for MySQL<\/span><\/li>\n<\/ol>\n

                                        Correct Answer: 1<\/b><\/p>\n

                                        Explanation<\/b><\/p>\n

                                        Azure Synapse Analytics is designed for large-scale analytics and data warehousing workloads. It provides capabilities for querying and analyzing data from different sources and supports enterprise analytical scenarios. Organizations can use Synapse to build solutions for reporting, business intelligence, historical analysis, and large datasets. Azure Files is a file storage service, Queue Storage provides messaging, and Azure Database for MySQL provides a managed relational database. Therefore, Azure Synapse Analytics is the appropriate choice for workloads centered on enterprise analytics and data warehousing.<\/span><\/p>\n

                                        Question 340<\/b><\/h3>\n

                                        Which process extracts data from sources, transforms it, and then loads it into a target system?<\/b><\/p>\n

                                          \n
                                        1. OLAP<\/span><\/li>\n
                                        2. ELT<\/span><\/li>\n
                                        3. ETL<\/span><\/li>\n
                                        4. OLTP<\/span><\/li>\n<\/ol>\n

                                          Correct Answer: 3<\/b><\/p>\n

                                          Explanation<\/b><\/p>\n

                                          ETL stands for Extract, Transform, Load. In an ETL process, data is first extracted from one or more source systems, then transformed according to business or analytical requirements, and finally loaded into a target data store. Transformations can include cleaning, filtering, formatting, joining, and aggregating information. ELT follows a different sequence by loading data before performing many transformations in the target platform. OLTP and OLAP describe workload types rather than data integration processes. Therefore, ETL is the correct answer for extract-transform-load workflows.<\/span><\/p>\n

                                           <\/p>\n","protected":false},"excerpt":{"rendered":"

                                          View Full Microsoft DP-900 Exam Dumps and Practice Test Dumps.   Question 321 Which Azure service is best suited for storing large collections of files such as images, videos, and backups? Azure SQL Database Azure Blob Storage Azure Queue Storage Azure Table Storage Correct Answer: 2 Explanation Azure Blob Storage is designed to store large […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[1648,1647],"tags":[],"_links":{"self":[{"href":"https:\/\/www.examlabs.com\/certification\/wp-json\/wp\/v2\/posts\/17140"}],"collection":[{"href":"https:\/\/www.examlabs.com\/certification\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.examlabs.com\/certification\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.examlabs.com\/certification\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.examlabs.com\/certification\/wp-json\/wp\/v2\/comments?post=17140"}],"version-history":[{"count":1,"href":"https:\/\/www.examlabs.com\/certification\/wp-json\/wp\/v2\/posts\/17140\/revisions"}],"predecessor-version":[{"id":17141,"href":"https:\/\/www.examlabs.com\/certification\/wp-json\/wp\/v2\/posts\/17140\/revisions\/17141"}],"wp:attachment":[{"href":"https:\/\/www.examlabs.com\/certification\/wp-json\/wp\/v2\/media?parent=17140"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.examlabs.com\/certification\/wp-json\/wp\/v2\/categories?post=17140"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.examlabs.com\/certification\/wp-json\/wp\/v2\/tags?post=17140"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}