AWS Certified Data Analytics ā Specialty (DAS-C01) Exam Simulator #4
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Question 1 of 100
1. Question
Which of the following AWS services allows for real-time streaming and processing of data, while also providing options for transforming and filtering the incoming data during collection?
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Question 2 of 100
2. Question
Which of the following is an open-source data collection and processing tool that allows for real-time collection, transformation, and filtering of data from various sources?
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Question 3 of 100
3. Question
A data analyst is tasked with evaluating a data collection system’s operational characteristics and ensuring that the data loss is within tolerance limits. Which of the following AWS services can help in this evaluation process?
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Question 4 of 100
4. Question
A company is experiencing data loss in its collection system due to network failures. Which of the following AWS services can help in evaluating and mitigating this data loss?
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Question 5 of 100
5. Question
A data analyst is tasked with evaluating the costs associated with data acquisition, transfer, and provisioning from various sources into the collection system. Which of the following AWS services can help in this evaluation process?
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Question 6 of 100
6. Question
A company is looking to reduce costs associated with data transfer into its collection system in terms of bandwidth. Which of the following AWS services can help achieve this goal?
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Question 7 of 100
7. Question
A data analyst is tasked with evaluating the costs associated with data acquisition, transfer, and provisioning from various sources into the collection system, particularly in terms of bandwidth. Which of the following AWS services can help in this evaluation process?
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Question 8 of 100
8. Question
A company is looking to acquire data from a third-party vendor to improve its analytics capabilities. The vendor charges a flat fee for the data, as well as an additional fee for data transfer and provisioning. Which of the following would be the most effective way for the company to evaluate the cost of acquiring this data?
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Question 9 of 100
9. Question
A company is planning to migrate data from an on-premises data center to the cloud using an ETL service. The company is evaluating two different ETL services, each with different pricing models. Service A charges a flat fee per month, while Service B charges based on the amount of data transferred. Which of the following would be the most effective way for the company to evaluate the cost of using each service?
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Question 10 of 100
10. Question
A data analytics team has deployed a collection system to gather data from multiple sources. As part of their risk management plan, they want to assess the failure scenarios that the collection system may undergo and take remediation actions based on impact. Which of the following would be the most effective way to assess failure scenarios?
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Question 11 of 100
11. Question
A data analytics team has identified potential failure scenarios for their collection system and wants to take remediation actions based on impact. They have identified that a failure in data transfer from a critical source system would have a high impact. Which of the following would be the most effective remediation action to address this failure scenario?
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Question 12 of 100
12. Question
A data analyst needs to determine the appropriate point of data capture to ensure proper data persistence. Which of the following is a valid option for data persistence at the point of data capture?
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Question 13 of 100
13. Question
A data engineer is designing a data capture system that requires data persistence. Which of the following options for data persistence ensures data is stored in multiple locations for redundancy?
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Question 14 of 100
14. Question
What is the latency characteristic of a batch-oriented collection system?
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Question 15 of 100
15. Question
What is the latency characteristic of a stream-oriented collection system?
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Question 16 of 100
16. Question
What type of data flow characteristics would best describe data coming from a manufacturing assembly line?
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Question 17 of 100
17. Question
What type of data flow characteristics would best describe a social media platform’s user activity data?
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Question 18 of 100
18. Question
Which collection system is best suited for high volume, low-frequency data with occasional surges in volume?
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Question 19 of 100
19. Question
Which collection system is best suited for low volume, high-frequency data with predictable data patterns?
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Question 20 of 100
20. Question
Which ingestion service is best suited for high-volume, low-latency data with real-time processing requirements?
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Question 21 of 100
21. Question
Which of the following storage solutions provides both strong and eventual consistency?
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Question 22 of 100
22. Question
Which of the following statements is true about strong consistency in a storage system?
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Question 23 of 100
23. Question
Which of the following storage solutions would be appropriate for a system that requires eventual consistency?
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Question 24 of 100
24. Question
Which of the following storage solutions would be appropriate for a system that requires strong consistency?
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Question 25 of 100
25. Question
Suppose you are working on an analytics project that requires high performance for data retrieval with low latency, and you need to store data for a shorter period. Which AWS storage service is best suited for this scenario based on the durability, reliability, and latency characteristics of the storage solution?
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Question 26 of 100
26. Question
Suppose you are working on an analytics project that requires you to store data for a longer period, and you also need to maintain data availability without losing any data. Which AWS storage service is best suited for this scenario based on the durability, reliability, and latency characteristics of the storage solution?
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Question 27 of 100
27. Question
A company needs a high-performance storage solution for their real-time data analytics workloads that require low-latency access to data. Which AWS storage service is best suited for this requirement?
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Question 28 of 100
28. Question
A company is looking for a cost-effective storage solution for their large-scale data analytics workloads. Which AWS storage service is best suited for this requirement?
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Question 29 of 100
29. Question
Which of the following storage services is the most cost-effective solution for storing and analyzing infrequently accessed data?
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Question 30 of 100
30. Question
Which of the following storage services is the most suitable for storing and analyzing large amounts of structured data with high performance requirements?
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Question 31 of 100
31. Question
Which of the following storage solutions provides the highest level of durability and is suitable for long-term archival of critical data?
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Question 32 of 100
32. Question
Which of the following storage solutions is the most appropriate for low-latency access to frequently changing data?
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Question 33 of 100
33. Question
A company has a business-critical application that requires strong consistency to maintain data integrity. Which of the following storage services would be the best choice for this application?
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Question 34 of 100
34. Question
A company is building a new data analytics platform and requires eventual consistency for data replication. Which of the following storage services would be the best choice for this platform?
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Question 35 of 100
35. Question
Which storage solution is the most appropriate to address a requirement for near-real-time data freshness for analytics processing?
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Question 36 of 100
36. Question
Which storage solution is the most appropriate to address a requirement for infrequently changing data for analytics processing?
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Question 37 of 100
37. Question
Which storage solution is the most appropriate to address a requirement for updating large amounts of data in bulk?
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Question 38 of 100
38. Question
Which storage solution is the most appropriate to address a requirement for updating small amounts of data in bulk?
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Question 39 of 100
39. Question
A company has a transactional application that requires frequent updates to a small amount of data. The application must also be highly available and durable. Which storage solution should the company use?
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Question 40 of 100
40. Question
A company has a transactional application that requires frequent updates to a large amount of data. The application must also be highly available and durable. Which storage solution should the company use?
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Question 41 of 100
41. Question
A data analytics company needs to store a large amount of data that is updated in small batches every few minutes. The data must be accessed frequently and with low latency. Which storage solution would be the most appropriate for this use case?
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Question 42 of 100
42. Question
A healthcare company needs to store sensitive medical records that are updated on a daily basis. The data must be encrypted at rest and in transit and accessed with low latency. Which storage solution would be the most appropriate for this use case?
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Question 43 of 100
43. Question
A video streaming company needs to store large video files that are accessed sequentially by users as they watch the video. Which storage solution would be the most appropriate for this use case?
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Question 44 of 100
44. Question
A financial company needs to store transactional data that is accessed randomly by users for analytics purposes. Which storage solution would be the most appropriate for this use case?
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Question 45 of 100
45. Question
A data analytics application requires continuous usage of a large amount of data that is frequently accessed and requires real-time analysis. Which storage solution is appropriate for this use case?
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Question 46 of 100
46. Question
Which storage solution is appropriate for an application that requires ad hoc access to data?
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Question 47 of 100
47. Question
Which AWS storage solution is best suited for append-only data changes?
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Question 48 of 100
48. Question
Which AWS storage solution is best suited for data updates?
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Question 49 of 100
49. Question
What is the best storage solution for long-term storage of infrequently accessed data?
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Question 50 of 100
50. Question
What is the best storage solution for transient storage of data that requires high input/output (I/O) performance?
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Question 51 of 100
51. Question
A data engineer needs to process a large amount of data stored in an S3 bucket and requires the ability to pause and resume the processing job if necessary. The processing job requires custom software to be installed and has several dependencies. Which AWS service should the engineer choose?
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Question 52 of 100
52. Question
Which service should you choose to process a large amount of data for a short time while ensuring high scalability and availability at a low cost?
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Question 53 of 100
53. Question
Which service should you choose to process a large amount of streaming data with low latency while ensuring high scalability and availability?
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Question 54 of 100
54. Question
A data analyst needs to design a solution that can perform near-real-time data ingestion for an analytics project. Which AWS service would be the most appropriate choice for this scenario?
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Question 55 of 100
55. Question
A data engineer needs to load data from a variety of sources into a data warehouse using batch processing. Which AWS service would be the most appropriate choice for this scenario?
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Question 56 of 100
56. Question
A company wants to design a data analytics solution using AWS. They need to ensure that their solution is highly available and can withstand any unexpected failures. Which of the following mechanisms should they use to ensure their solution has the ability to scale and handle replication automatically?
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Question 57 of 100
57. Question
A company has a large amount of data that they need to transform and prepare for analysis. They want to ensure that their solution is highly available, can scale automatically, and can replicate data across multiple regions. Which AWS service should they use to achieve this?
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Question 58 of 100
58. Question
Which AWS service can help address concurrency needs in a data transformation and preparation solution?
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Question 59 of 100
59. Question
What technique can be used to improve cost-optimization efficiencies in a data transformation and preparation solution that processes large amounts of data stored in Amazon S3?
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Question 60 of 100
60. Question
What AWS service can help improve cost-optimization efficiencies in a data transformation and preparation solution that processes streaming data?
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Question 61 of 100
61. Question
You are designing an analytics solution for a financial institution that requires a daily data pipeline to load data from an S3 bucket into a Redshift cluster. The pipeline consists of several steps, including data transformation, validation, and loading into the Redshift cluster. Which AWS service would you recommend to implement orchestration workflows for this pipeline?
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Question 62 of 100
62. Question
You are designing an analytics solution that requires a data pipeline to process data from an S3 bucket, perform data transformation using a Spark cluster, and then store the results in an S3 bucket. The Spark cluster is managed by a separate team and needs to be launched on-demand to perform the data processing. Which AWS service would you recommend to implement orchestration workflows for this pipeline?
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Question 63 of 100
63. Question
Your organization is processing large volumes of log data from multiple sources, including AWS services and third-party systems. You want to enrich the data with additional metadata and aggregate it into a centralized repository for analysis. Which of the following services can help you achieve this?
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Question 64 of 100
64. Question
You are designing a data processing pipeline that ingests clickstream data from a website and enriches it with customer profile information before delivering it to a data warehouse for analysis. Which of the following AWS services can you use to perform data enrichment?
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Question 65 of 100
65. Question
Which AWS service is best suited to create a serverless workflow to automate data processing tasks in response to file uploads to Amazon S3?
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Question 66 of 100
66. Question
A company wants to monitor its web application logs in real-time to detect security threats. Which AWS service would be the best fit for this scenario?
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Question 67 of 100
67. Question
A company has developed a machine learning model that predicts customer churn for their subscription-based service. They want to deliver the prediction results to their customer service team so they can take appropriate actions. Which of the following methods is most appropriate for delivering the prediction results?
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Question 68 of 100
68. Question
A data analyst is working with a large dataset of employee performance and wants to visualize the distribution of performance scores for each department. Which of the following visualization solutions is most appropriate for this scenario?
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Question 69 of 100
69. Question
A data analyst is working with a large dataset of customer orders and wants to visualize the revenue generated by each product category. Which of the following visualization solutions is most appropriate for this scenario?
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Question 70 of 100
70. Question
A transportation company wants to analyze data from its fleet of vehicles to optimize fuel consumption and maintenance schedules. Which type of data analysis is best suited for this scenario?
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Question 71 of 100
71. Question
Which integrated solution is appropriate for an organization that needs to analyze and visualize data from multiple sources that are stored in different formats, including structured, semi-structured, and unstructured data?
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Question 72 of 100
72. Question
Which integrated solution is appropriate for an organization that needs to combine data from a variety of sources, including on-premises databases, SaaS applications, and cloud-based services, to create a unified dashboard?
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Question 73 of 100
73. Question
Which data access mechanism is appropriate for an organization that wants to create reports and dashboards from a large dataset that is stored in a data warehouse?
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Question 74 of 100
74. Question
Which data visualization solution is appropriate for an organization that wants to create real-time dashboards for monitoring system performance with low latency requirements?
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Question 75 of 100
75. Question
A data analyst is working with a dataset containing customer feedback on a company’s products and services. The analyst needs to identify which specific issues are driving the highest number of negative comments. Which data visualization tool would be the most appropriate for this scenario?
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Question 76 of 100
76. Question
A data analyst is working with a large dataset containing customer demographics and purchasing behavior. The analyst needs to find out which products are most popular among customers under the age of 30. Which data visualization tool would be the most appropriate for this scenario?
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Question 77 of 100
77. Question
A data analyst is working with a dataset containing customer satisfaction ratings for different products over time. The analyst needs to drill down into the data to identify which specific features of a particular product received the lowest ratings. Which data visualization tool would be the most appropriate for this scenario?
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Question 78 of 100
78. Question
A data analyst is working with a large dataset containing sales data for a retail company. The analyst needs to identify which products are driving the highest revenue in each region. Which data visualization tool would be the most appropriate for this scenario?
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Question 79 of 100
79. Question
A data scientist needs to build a machine learning model to predict customer churn for a large e-commerce company. Which AWS service is the best fit for this scenario?
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Question 80 of 100
80. Question
A data analyst needs to analyze real-time streaming data from multiple sources to monitor website traffic and detect anomalies in real-time. Which AWS service is the best fit for this scenario?
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Question 81 of 100
81. Question
Which AWS service can help scale up or down an analysis solution based on demand?
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Question 82 of 100
82. Question
What factors can affect the scalability of an analysis solution in AWS?
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Question 83 of 100
83. Question
Which AWS tool can help to estimate the cost associated with an analysis and visualization solution?
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Question 84 of 100
84. Question
What can help determine the cost associated with an analysis and visualization solution in AWS?
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Question 85 of 100
85. Question
What is the difference between AWS KMS envelope encryption and AWS KMS key encryption?
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Question 86 of 100
86. Question
What is the maximum size of data that can be encrypted with a single call to the AWS KMS Encrypt API?
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Question 87 of 100
87. Question
Which of the following is a key management approach for AWS CloudHSM?
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Question 88 of 100
88. Question
Which encryption algorithm is NOT supported by AWS CloudHSM?
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Question 89 of 100
89. Question
Which of the following services can be used to implement at-rest encryption for Amazon S3 buckets?
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Question 90 of 100
90. Question
Which of the following protocols can be used to implement in-transit encryption for data sent between Amazon EC2 instances in a VPC?
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Question 91 of 100
91. Question
Which of the following techniques can be used to implement data obfuscation and masking in Amazon Redshift?
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Question 92 of 100
92. Question
Which of the following techniques can be used to implement data masking for Amazon RDS instances?
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Question 93 of 100
93. Question
A data analytics team is using AWS KMS to encrypt data stored in S3. They want to ensure that their encryption keys are rotated regularly to improve their data security posture. Which of the following is the best approach to achieve this?
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Question 94 of 100
94. Question
An organization is using AWS Secrets Manager to manage their database credentials. They want to ensure that their secrets are not exposed to unauthorized users and that their secrets are rotated periodically to improve security. Which of the following options will best meet these requirements?
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Question 95 of 100
95. Question
A data analytics team needs to ensure that their data processing and storage comply with GDPR regulations. What should they consider to meet these requirements?
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Question 96 of 100
96. Question
A company needs to ensure that their data processing complies with HIPAA regulations. Which of the following measures would help them meet these requirements?
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Question 97 of 100
97. Question
Which of the following services can be used to configure access and audit logging for Amazon S3 and Amazon S3 Glacier?
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Question 98 of 100
98. Question
Which of the following actions should you take to ensure access and audit logging for Amazon Redshift?
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Question 99 of 100
99. Question
What service can be used to implement appropriate controls to meet HIPAA compliance requirements for Amazon EMR?
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Question 100 of 100
100. Question
What service can be used to implement appropriate controls to meet PCI DSS compliance requirements for Amazon RDS?
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