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What is the appropriate solution to address the latency?
A media advertising company handles a large number of real-time messages sourced from over 200 websites in real time. Processing latency must be kept low. Based on calculations, a 60-shard Amazon Kinesis stream is more than sufficient to handle the maximum data throughput, even with traffic spikes. The company also...
What is a cost-effective way to provide near real-time alerts on the pipeline metrics?
A large oil and gas company needs to provide near real-time alerts when peak thresholds are exceeded in its pipeline system. The company has developed a system to capture pipeline metrics such as flow rate, pressure, and temperature using millions of sensors. The sensors deliver to AWS IoT. What is...
Which approach should be used to accomplish this task?
An Amazon Kinesis stream needs to be encrypted. Which approach should be used to accomplish this task?A . Perform a client-side encryption of the data before it enters the Amazon Kinesis stream on the producer.B . Use a partition key to segment the data by MD5 hash function, which makes...
Which recommendation should an administrator provide?
A large grocery distributor receives daily depletion reports from the field in the form of gzip archives od CSV files uploaded to Amazon S3. The files range from 500MB to 5GB. These files are processed daily by an EMR job. Recently it has been observed that the file sizes vary,...
Which strategy should be used to meet these requirements?
An online photo album app has a key design feature to support multiple screens (e.g, desktop, mobile phone, and tablet) with high-quality displays. Multiple versions of the image must be saved in different resolutions and layouts. The image-processing Java program takes an average of five seconds per upload, depending on...
Which action improves performance for the user teams in this situation?
A Redshift data warehouse has different user teams that need to query the same table with very different query types. These user teams are experiencing poor performance. Which action improves performance for the user teams in this situation?A . Create custom table views.B . Add interleaved sort keys per team.C...
What is the most cost-effective solution to meet these requirements?
A social media customer has data from different data sources including RDS running MySQL, Redshift, and Hive on EMR. To support better analysis, the customer needs to be able to analyze data from different data sources and to combine the results. What is the most cost-effective solution to meet these...
How should the administrator accomplish this task?
A game company needs to properly scale its game application, which is backed by DynamoDB. Amazon Redshift has the past two years of historical data. Game traffic varies throughout the year based on various factors such as season, movie release, and holiday season. An administrator needs to calculate how much...
How should the data engineer make sure that the larger customer workloads do NOT interfere with the smaller customer workloads?
A data engineer is running a DWH on a 25-node Redshift cluster of a SaaS service. The data engineer needs to build a dashboard that will be used by customers. Five big customers represent 80% of usage, and there is a long tail of dozens of smaller customers. The data...
What is the appropriate model choice and target attribute combination for this problem?
A company is using Amazon Machine Learning as part of a medical software application. The application will predict the most likely blood type for a patient based on a variety of other clinical tests that are available when blood type knowledge is unavailable. What is the appropriate model choice and...
