DAS-C01 Exam Questions
190 real DAS-C01 exam questions with expert-verified answers and explanations. Page 3 of 4.
- Question #101Analysis and Visualization
A medical company has a system with sensor devices that read metrics and send them in real time to an Amazon Kinesis data stream. The Kinesis data stream has multiple shards. The c...
Kinesis Data AnalyticsReal-time Stream ProcessingMonitoring & AlertingData Aggregation - Question #102Processing
An IoT company wants to release a new device that will collect data to track sleep overnight on an intelligent mattress. Sensors will send data that will be uploaded to an Amazon S...
Serverless processingCost optimizationAWS LambdaIoT data analytics - Question #103Processing
A company wants to provide its data analysts with uninterrupted access to the data in its Amazon Redshift cluster. All data is streamed to an Amazon S3 bucket with Amazon Kinesis D...
AWS GlueAmazon RedshiftFault ToleranceData Ingestion - Question #104Analysis and Visualization
A retail company leverages Amazon Athena for ad-hoc queries against an AWS Glue Data Catalog. The data analytics team manages the data catalog and data access for the company. The...
Amazon AthenaWorkgroupsCost ManagementQuery Isolation - Question #105Security
A manufacturing company uses Amazon S3 to store its data. The company wants to use AWS Lake Formation to provide granular-level security on those data assets. The data is in Apache...
AWS Lake FormationAWS Glue CrawlerData CatalogData Lake Security - Question #106Processing
A company has an application that uses the Amazon Kinesis Client Library (KCL) to read records from a Kinesis data stream. After a successful marketing campaign, the application ex...
Kinesis Client Library (KCL)Kinesis Data StreamsDynamoDB Provisioned CapacityExpiredIteratorExceptions - Question #107Processing
A company is building a service to monitor fleets of vehicles. The company collects IoT data from a device in each vehicle and loads the data into Amazon Redshift in near-real time...
S3 Event NotificationsAWS LambdaLow-latency Data IngestionAmazon Redshift - Question #108Storage and Data Management
A company is migrating from an on-premises Apache Hadoop cluster to an Amazon EMR cluster. The cluster runs only during business hours. Due to a company requirement to avoid intrad...
EMRHigh AvailabilityData PersistenceAWS Glue Data Catalog - Question #109Analysis and Visualization
A retail company wants to use Amazon QuickSight to generate dashboards for web and in-store sales. A group of 50 business intelligence professionals will develop and use the dashbo...
QuickSightEnterprise EditionDashboardingCost Optimization - Question #110Security
A central government organization is collecting events from various internal applications using Amazon Managed Streaming for Apache Kafka (Amazon MSK). The organization has configu...
Amazon MSKKafka SecurityAccess Control ListsTopic Permissions - Question #111Collection
A company wants to collect and process events data from different departments in near-real time. Before storing the data in Amazon S3, the company needs to clean the data by standa...
Data IngestionReal-time StreamingAmazon MSKService Limits - Question #112Processing
An operations team notices that a few AWS Glue jobs for a given ETL application are failing. The AWS Glue jobs read a large number of small JOSN files from an Amazon S3 bucket and...
AWS GlueSpark Driver MemorySmall Files ProblemPerformance Optimization - Question #113Collection
A transport company wants to track vehicular movements by capturing geolocation records. The records are 10 B in size and up to 10,000 records are captured each second. Data transm...
Kinesis Data StreamsKPLData IngestionThroughput Optimization - Question #114Analysis and Visualization
A retail company has 15 stores across 6 cities in the United States. Once a month, the sales team requests a visualization in Amazon QuickSight that provides the ability to easily...
QuickSightVisualizationHeat MapData Analysis - Question #115Analysis and Visualization
A marketing company has data in Salesforce, MySQL, and Amazon S3. The company wants to use data from these three locations and create mobile dashboards for its users. The company i...
Amazon QuickSightData VisualizationBusiness IntelligenceMobile Dashboards - Question #116Processing
A company uses Amazon Redshift for its data warehousing needs. ETL jobs run every night to load data, apply business rules, and create aggregate tables for reporting. The company's...
Amazon RedshiftWorkload Management (WLM)Concurrency ScalingQuery Performance - Question #117Analysis and Visualization
A company owns facilities with IoT devices installed across the world. The company is using Amazon Kinesis Data Streams to stream data from the devices to Amazon S3. The company's...
Kinesis Data AnalyticsReal-time analyticsStreaming dataData quality - Question #118Security
A company has a data lake on AWS that ingests sources of data from multiple business units and uses Amazon Athena for queries. The storage layer is Amazon S3 using the AWS Glue Dat...
Data Lake SecurityAWS Lake FormationAccess ControlAmazon Athena - Question #119Storage and Data Management
A company has an encrypted Amazon Redshift cluster. The company recently enabled Amazon Redshift audit logs and needs to ensure that the audit logs are also encrypted at rest. The...
Amazon S3Data EncryptionCost OptimizationAmazon Redshift - Question #120Processing
A data analytics specialist is setting up workload management in manual mode for an Amazon Redshift environment. The data analytics specialist is defining query monitoring rules to...
Amazon RedshiftWorkload ManagementQuery Monitoring RulesSystem Performance - Question #121Storage and Data Management
A market data company aggregates external data sources to create a detailed view of product consumption in different countries. The company wants to sell this data to external part...
AWS Data ExchangeData MonetizationData SharingManaged Services - Question #122Security
A company has a marketing department and a finance department. The departments are storing data in Amazon S3 in their own AWS accounts in AWS Organizations. Both departments use AW...
AWS Lake FormationCross-account data sharingData securityIAM permissions - Question #123Storage and Data Management
A human resources company maintains a 10-node Amazon Redshift cluster to run analytics queries on the company's data. The Amazon Redshift cluster contains a product table and a tra...
Amazon RedshiftDistribution StylesQuery OptimizationPerformance Tuning - Question #124Processing
A company receives data from its vendor in JSON format with a timestamp in the file name. The vendor uploads the data to an Amazon S3 bucket, and the data is registered into the co...
AWS Glue CrawlerS3 Storage ClassesData CatalogData Lake Management - Question #125Processing
A company analyzes historical data and needs to query data that is stored in Amazon S3. New data is generated daily as .csv files that are stored in Amazon S3. The company's analys...
Amazon Athena PerformanceAWS Glue ETLApache ParquetData Partitioning - Question #126Security
A company is sending historical datasets to Amazon S3 for storage. A data engineer at the company wants to make these datasets available for analysis using Amazon Athena. The engin...
S3 EncryptionAWS KMSAmazon AthenaAudit Trails - Question #127Storage and Data Management
A large telecommunications company is planning to set up a data catalog and metadata management for multiple data sources running on AWS. The catalog will be used to maintain the m...
AWS Glue Data CatalogMetadata managementSchema inferenceData cataloging - Question #128Security
An ecommerce company is migrating its business intelligence environment from on premises to the AWS Cloud. The company will use Amazon Redshift in a public subnet and Amazon QuickS...
QuickSight connectivityRedshift security groupNetwork troubleshootingConnection timeout - Question #129Processing
A power utility company is deploying thousands of smart meters to obtain real-time updates about power consumption. The company is using Amazon Kinesis Data Streams to collect the...
Kinesis Data StreamsKinesis Client Library (KCL)Latency OptimizationStream Processing - Question #130Storage and Data Management
A company needs to collect streaming data from several sources and store the data in the AWS Cloud. The dataset is heavily structured, but analysts need to perform several complex...
Streaming IngestionData LakeData WarehousingCost Optimization - Question #131Collection
A manufacturing company uses Amazon Connect to manage its contact center and Salesforce to manage its customer relationship management (CRM) data. The data engineering team must bu...
Data IngestionKinesis Data FirehoseAmazon AppFlowServerless Data Pipelines - Question #132Analysis and Visualization
A manufacturing company wants to create an operational analytics dashboard to visualize metrics from equipment in near-real time. The company uses Amazon Kinesis Data Streams to st...
Real-time analyticsOperational dashboardsKinesis Data FirehoseAmazon OpenSearch Service (Elasticsearch) - Question #133Security
A data analyst is designing an Amazon QuickSight dashboard using centralized sales data that resides in Amazon Redshift. The dashboard must be restricted so that a salesperson in S...
QuickSightRow-Level Security (RLS)Data Access ControlDashboard Security - Question #134Processing
A company wants to run analytics on its Elastic Load Balancing logs stored in Amazon S3. A data analyst needs to be able to query all data from a desired year, month, or day. The d...
AWS GlueData PartitioningColumnar StorageCost Optimization - Question #135Storage and Data Management
An education provider's learning management system (LMS) is hosted in a 100 TB data lake that is built on Amazon S3. The provider's LMS supports hundreds of schools. The provider w...
Amazon RedshiftRedshift SpectrumCost OptimizationHybrid Data Storage - Question #136Processing
A company is hosting an enterprise reporting solution with Amazon Redshift. The application provides reporting capabilities to three main groups: an executive group to access finan...
Amazon RedshiftWorkload ManagementQuery PerformanceResource Allocation - Question #137Processing
A global pharmaceutical company receives test results for new drugs from various testing facilities worldwide. The results are sent in millions of 1 KB-sized JSON objects to an Ama...
AWS GlueSmall file optimizationData processingPerformance tuning - Question #138Collection
A company operates toll services for highways across the country and collects data that is used to understand usage patterns. Analysts have requested the ability to run traffic rep...
Kinesis Data FirehoseReal-time IngestionRedshiftServerless Alerting - Question #139Security
An online retail company uses Amazon Redshift to store historical sales transactions. The company is required to encrypt data at rest in the clusters to comply with the Payment Car...
Amazon RedshiftData at Rest EncryptionOn-premises HSMHybrid Connectivity - Question #140Processing
A hospital is building a research data lake to ingest data from electronic health records (EHR) systems from multiple hospitals and clinics. The EHR systems are independent of each...
AWS GlueETLData MatchingEntity Resolution - Question #141Storage and Data Management
A bank is using Amazon Managed Streaming for Apache Kafka (Amazon MSK) to populate real- time data into a data lake. The data lake is built on Amazon S3, and data must be accessibl...
Amazon MSKMonitoringStorage ManagementCloudWatch - Question #142Security
An analytics software as a service (SaaS) provider wants to offer its customers business intelligence (BI) reporting capabilities that are self-service. The provider is using Amazo...
QuickSightMulti-tenancyUser ManagementAccess Control - Question #143Collection
A manufacturing company has many loT devices in different facilities across the world. The company is using Amazon Kinesis Data Streams to collect the data from the devices. The co...
Kinesis Data StreamsShardingPartition KeyThroughput Management - Question #144Storage and Data Management
A reseller that has thousands of AWS accounts receives AWS Cost and Usage Reports in an Amazon S3 bucket. The reports are delivered to the S3 bucket in the following format: <examp...
Data PartitioningAWS AthenaQuery OptimizationAWS Glue Data Catalog - Question #145Storage and Data Management
A retail company stores order invoices in an Amazon OpenSearch Service (Amazon Elasticsearch Service) cluster Indices on the cluster are created monthly. Once a new month begins, n...
OpenSearch ServiceData TieringCost OptimizationIndex State Management (ISM) - Question #146Collection
A hospital uses an electronic health records (EHR) system to collect two types of data. - Patient information, which includes a patient's name and address - Diagnostic tests conduc...
AWS GlueAmazon RedshiftData IngestionCost Optimization - Question #147Storage and Data Management
A utility company wants to visualize data for energy usage on a daily basis in Amazon QuickSight. A data analytics specialist at the company has built a data pipeline to collect an...
AWS Glue CrawlerAmazon AthenaS3 Data LakeTable Path - Question #148Analysis and Visualization
A large energy company is using Amazon QuickSight to build dashboards and report the historical usage data of its customers. This data is hosted in Amazon Redshift. The reports nee...
QuickSightSPICEPerformance OptimizationRedshift - Question #149Analysis and Visualization
A marketing company collects clickstream data. The company sends the data to Amazon Kinesis Data Firehose and stores the data in Amazon S3. The company wants to build a series of d...
Amazon QuickSightAmazon S3Cost OptimizationServerless Analytics - Question #150Processing
A company uses an Amazon EMR cluster with 50 nodes to process operational data and make the data available for data analysts. These jobs run nightly use Apache Hive with the Apache...
EMR TroubleshootingHDFS ReplicationYARN Resource ManagementApache Tez