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Realexamdumps Providing most updated AWS Certified Data Analytics Question Answers. Here are a few exams:
Sample Questions
Realexamdumps Providing most updated AWS Certified Data Analytics Question Answers. Here are a few sample questions:
Amazon DAS-C01 Sample Question 1
A data engineer is using AWS Glue ETL jobs to process data at frequent intervals The processed data is then copied into Amazon S3 The ETL jobs run every 15 minutes. The AWS Glue Data Catalog partitions need to be updated automatically after the completion of each job Which solution will meet these requirements MOST cost-effectively?
Options:
Answer: B
Amazon DAS-C01 Sample Question 2
A company uses the Amazon Kinesis SDK to write data to Kinesis Data Streams. Compliance requirements state that the data must be encrypted at rest using a key that can be rotated. The company wants to meet this encryption requirement with minimal coding effort. How can these requirements be met?
Options:
Answer: B Explanation: Reference: [Reference: https://aws.amazon.com/kinesis/data-streams/faqs/, ]
Amazon DAS-C01 Sample Question 3
An Amazon Redshift database contains sensitive user data. Logging is necessary to meet compliance requirements. The logs must contain database authentication attempts, connections, and disconnections. The logs must also contain each query run against the database and record which database user ran each query. Which steps will create the required logs?
Options:
Answer: C Explanation: Reference: [Reference: https://docs.aws.amazon.com/redshift/latest/mgmt/db-auditing.html, ]
Amazon DAS-C01 Sample Question 4
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 parties through a subscription. To achieve this goal, the company needs to make its data securely available to external parties who are also AWS users. What should the company do to meet these requirements with the LEAST operational overhead?
Options:
Answer: B
Amazon DAS-C01 Sample Question 5
A data analyst is designing a solution to interactively query datasets with SQL using a JDBC connection. Users will join data stored in Amazon S3 in Apache ORC format with data stored in Amazon Elasticsearch Service (Amazon ES) and Amazon Aurora MySQL. Which solution will provide the MOST up-to-date results?
Options:
Answer: D
Amazon DAS-C01 Sample Question 6
A company developed a new elections reporting website that uses Amazon Kinesis Data Firehose to deliver full logs from AWS WAF to an Amazon S3 bucket. The company is now seeking a low-cost option to perform this infrequent data analysis with visualizations of logs in a way that requires minimal development effort. Which solution meets these requirements?
Options:
Answer: A Explanation: Explanation: https://aws.amazon.com/blogs/big-data/analyzing-aws-waf-logs-with-amazon-es-amazon-athena-and-amazon-quicksight/
Amazon DAS-C01 Sample Question 7
A company using Amazon QuickSight Enterprise edition has thousands of dashboards analyses and datasets. The company struggles to manage and assign permissions for granting users access to various items within QuickSight. The company wants to make it easier to implement sharing and permissions management. Which solution should the company implement to simplify permissions management?
Options:
Answer: D
Amazon DAS-C01 Sample Question 8
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 Data Firehose. An AWS Glue job that is scheduled to run every 5 minutes issues a COPY command to move the data into Amazon Redshift. The amount of data delivered is uneven throughout the day, and cluster utilization is high during certain periods. The COPY command usually completes within a couple of seconds. However, when load spike occurs, locks can exist and data can be missed. Currently, the AWS Glue job is configured to run without retries, with timeout at 5 minutes and concurrency at 1. How should a data analytics specialist configure the AWS Glue job to optimize fault tolerance and improve data availability in the Amazon Redshift cluster?
Options:
Answer: C
Amazon DAS-C01 Sample Question 9
An online retail company is migrating its reporting system to AWS. The companyâs legacy system runs data processing on online transactions using a complex series of nested Apache Hive queries. Transactional data is exported from the online system to the reporting system several times a day. Schemas in the files are stable between updates. A data analyst wants to quickly migrate the data processing to AWS, so any code changes should be minimized. To keep storage costs low, the data analyst decides to store the data in Amazon S3. It is vital that the data from the reports and associated analytics is completely up to date based on the data in Amazon S3. Which solution meets these requirements?
Options:
Answer: B
Amazon DAS-C01 Sample Question 10
An airline has been collecting metrics on flight activities for analytics. A recently completed proof of concept demonstrates how the company provides insights to data analysts to improve on-time departures. The proof of concept used objects in Amazon S3, which contained the metrics in .csv format, and used Amazon Athena for querying the data. As the amount of data increases, the data analyst wants to optimize the storage solution to improve query performance. Which options should the data analyst use to improve performance as the data lake grows? (Choose three.)
Options:
Answer: C, D, F Explanation: Explanation: https://aws.amazon.com/blogs/big-data/top-10-performance-tuning-tips-for-amazon-athena/
Amazon DAS-C01 Sample Question 11
A company is building an analytical solution that includes Amazon S3 as data lake storage and Amazon Redshift for data warehousing. The company wants to use Amazon Redshift Spectrum to query the data that is stored in Amazon S3. Which steps should the company take to improve performance when the company uses Amazon Redshift Spectrum to query the S3 data files? (Select THREE ) Use gzip compression with individual file sizes of 1-5 GB
Options:
Answer: B, C, E
Amazon DAS-C01 Sample Question 12
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 standardizing the format of the address and timestamp columns. The data varies in size based on the overall load at each particular point in time. A single data record can be 100 KB-10 MB. How should a data analytics specialist design the solution for data ingestion?
Options:
Answer: C
Amazon DAS-C01 Sample Question 13
A US-based sneaker retail company launched its global website. All the transaction data is stored in Amazon RDS and curated historic transaction data is stored in Amazon Redshift in the us-east-1 Region. The business intelligence (BI) team wants to enhance the user experience by providing a dashboard for sneaker trends. The BI team decides to use Amazon QuickSight to render the website dashboards. During development, a team in Japan provisioned Amazon QuickSight in ap-northeast-1. The team is having difficulty connecting Amazon QuickSight from ap-northeast-1 to Amazon Redshift in us-east-1. Which solution will solve this issue and meet the requirements?
Options:
Answer: C
Amazon DAS-C01 Sample Question 14
An airline has .csv-formatted data stored in Amazon S3 with an AWS Glue Data Catalog. Data analysts want to join this data with call center data stored in Amazon Redshift as part of a dally batch process. The Amazon Redshift cluster is already under a heavy load. The solution must be managed, serverless, well-functioning, and minimize the load on the existing Amazon Redshift cluster. The solution should also require minimal effort and development activity. Which solution meets these requirements?
Options:
Answer: C Explanation: Explanation: https://docs.aws.amazon.com/redshift/latest/dg/c-spectrum-external-tables.htmm
Amazon DAS-C01 Sample Question 15
A company that monitors weather conditions from remote construction sites is setting up a solution to collect temperature data from the following two weather stations. These weather stations were placed by onsite subject-matter experts. Each sensor has a unique ID. The data collected from each sensor will be collected using Amazon Kinesis Data Streams. Based on the total incoming and outgoing data throughput, a single Amazon Kinesis data stream with two shards is created. Two partition keys are created based on the station names. During testing, there is a bottleneck on data coming from Station A, but not from Station B. Upon review, it is confirmed that the total stream throughput is still less than the allocated Kinesis Data Streams throughput. How can this bottleneck be resolved without increasing the overall cost and complexity of the solution, while retaining the data collection quality requirements?
Options:
Answer: C Explanation: Explanation: https://docs.aws.amazon.com/streams/latest/dev/kinesis-using-sdk-java-resharding.html "Splitting increases the number of shards in your stream and therefore increases the data capacity of the stream. Because you are charged on a per-shard basis, splitting increases the cost of your stream"
Amazon DAS-C01 Sample Question 16
A company has developed an Apache Hive script to batch process data stared in Amazon S3. The script needs to run once every day and store the output in Amazon S3. The company tested the script, and it completes within 30 minutes on a small local three-node cluster. Which solution is the MOST cost-effective for scheduling and executing the script?
Options:
Answer: D
Amazon DAS-C01 Sample Question 17
A company has a data warehouse in Amazon Redshift that is approximately 500 TB in size. New data is imported every few hours and read-only queries are run throughout the day and evening. There is a particularly heavy load with no writes for several hours each morning on business days. During those hours, some queries are queued and take a long time to execute. The company needs to optimize query execution and avoid any downtime. What is the MOST cost-effective solution?
Options:
Answer: A Explanation: Explanation: https://docs.aws.amazon.com/redshift/latest/dg/cm-c-implementing-workload-management.htmm
Amazon DAS-C01 Sample Question 18
An education providerâs learning management system (LMS) is hosted in a 100 TB data lake that is built on Amazon S3. The providerâs LMS supports hundreds of schools. The provider wants to build an advanced analytics reporting platform using Amazon Redshift to handle complex queries with optimal performance. System users will query the most recent 4 months of data 95% of the time while 5% of the queries will leverage data from the previous 12 months. Which solution meets these requirements in the MOST cost-effective way?
Options:
Answer: C Explanation: Reference: [Reference: https://aws.amazon.com/redshift/pricing/, ]
Amazon DAS-C01 Sample Question 19
A hospital uses wearable medical sensor devices to collect data from patients. The hospital is architecting a near-real-time solution that can ingest the data securely at scale. The solution should also be able to remove the patientâs protected health information (PHI) from the streaming data and store the data in durable storage. Which solution meets these requirements with the least operational overhead?
Options:
Answer: D Explanation: Explanation: https://aws.amazo n.com/blogs/big-data/persist-streaming-data-to-amazon-s3-using-amazon-kinesis-firehose-and-aws-lambda/)