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Exam AWS Certified Solutions Architect - Associate SAA-C02 All Questions

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Exam AWS Certified Solutions Architect - Associate SAA-C02 topic 1 question 397 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Associate SAA-C02
Question #: 397
Topic #: 1
[All AWS Certified Solutions Architect - Associate SAA-C02 Questions]

A company runs an online marketplace web application on AWS. The application serves hundreds of thousands of users during peak hours. The company needs a scalable, near-real-time solution to share the details of millions of financial transactions with several other internal applications. Transactions also need to be processed to remove sensitive data before being stored in a document database for low-latency retrieval.
What should a solutions architect recommend to meet these requirements?

  • A. Store the transactions data into Amazon DynamoDB. Set up a rule in DynamoDB to remove sensitive data from every transaction upon write. Use DynamoDB Streams to share the transactions data with other applications.
  • B. Stream the transactions data into Amazon Kinesis Data Firehose to store data in Amazon DynamoDB and Amazon S3. Use AWS Lambda integration with Kinesis Data Firehose to remove sensitive data. Other applications can consume the data stored in Amazon S3.
  • C. Stream the transactions data into Amazon Kinesis Data Streams. Use AWS Lambda integration to remove sensitive data from every transaction and then store the transactions data in AmazonDynamoDB. Other applications can consume the transactions data off the Kinesis data stream.
  • D. Store the batched transactions data in Amazon S3 as files. Use AWS Lambda to process every file and remove sensitive data before updating the files in Amazon S3. The Lambda function then stores the data in Amazon DynamoDB. Other applications can consume transaction files stored in Amazon S3.
Show Suggested Answer Hide Answer
Suggested Answer: C 🗳️
by waqas at March 12, 2021, 9:02 p.m.
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waqas
Highly Voted 3 years, 7 months ago
Its C. Kinesis DS with DynamoDB. As Kinesis Datafirehos cant store in DynamoDB.
upvoted 33 times
mrkid3085
3 years, 6 months ago
Kinesis Datafirehos cant store in DynamoDB. --> right. Lambda work with DynamoDB. --> C.
upvoted 8 times
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noahsark
3 years, 6 months ago
https://d1.awsstatic.com/Products/product-name/diagrams/product-page-diagram_Amazon-Kinesis_Build-real-time-Applications.804a73506cb53369cb137d94218457382bc1b59a.png
upvoted 4 times
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syu31svc
Highly Voted 3 years, 6 months ago
"near-real-time" Answer is C Firehose doesn't store data to DynamoDB so B is wrong
upvoted 12 times
gargaditya
3 years, 5 months ago
But KDS is real time NOT near real time(KDF)?
upvoted 2 times
Rupak10
2 years, 2 months ago
Here the main trick is Dynamo DB . You can not connect KDF to S3.
upvoted 1 times
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hro
Most Recent 1 year, 1 month ago
C - Lambda will remove the sensitive information as its being processes by Kinesis . Not B - Why would you store the data before you remove the sensitive data?
upvoted 1 times
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Gl0206
2 years, 10 months ago
Every answer stored before removing PII except C.
upvoted 4 times
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cutecolt
2 years, 11 months ago
Selected Answer: B
Data firehose has direct integration with lambda where as KDF doesn't have.
upvoted 1 times
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examJack
3 years ago
Selected Answer: C
A.(X) B.(X) The destination of your Kinesis Data Firehose delivery stream. Kinesis Data Firehose can send data records to various destinations, including Amazon Simple Storage Service (Amazon S3), Amazon Redshift, Amazon OpenSearch Service, and any HTTP endpoint that is owned by you or any of your third-party service providers. The following are the supported destinations: * Amazon OpenSearch Service * Amazon S3 * Datadog * Dynatrace * Honeycomb * HTTP Endpoint * Logic Monitor * MongoDB Cloud * New Relic * Splunk * Sumo Logic https://docs.aws.amazon.com/firehose/latest/dev/create-name.html
upvoted 3 times
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Ivanyan
3 years, 1 month ago
Selected Answer: C
Near Real-Time - Kinesis
upvoted 2 times
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JuFonAlc
3 years, 4 months ago
Kinesis data streams is a real time solution (~200 ms), data firehose is the one when looking for a near real-time solution. If anyone could provide any documentation where it says KDF cannot store in DynamoDB I would be greatful
upvoted 2 times
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peterhawk
3 years, 5 months ago
Selected Answer: C
Its C. It's lambda that will do the requirement of removing sensitive data AND store the document in DynamoDB. Dont forget that Kinesis Data Streams also stores the data (for 24 hours as a default and up to 365 days), making it available to other applications. A and D are out. Near-real-time should be Kinesis. B is out. Kinesis, can only store in DynamoDB through Lambda. Even if it was possible to store directly in DynamoDB the option is flawed, because the document is being stored before removing the sensitive data.
upvoted 4 times
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yummytaco
3 years, 5 months ago
( Additionally, transactions must be processed to remove sensitive data prior to being stored in a document database for fast retrieval.) C. is remove before storing
upvoted 3 times
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ogiejrgi
3 years, 6 months ago
To me it's B: "Near real time" -> Kinesis Data Firehose.
upvoted 3 times
gargaditya
3 years, 5 months ago
KDF cannot load into Dynamo DB
upvoted 2 times
osel
3 years, 3 months ago
KDF can only store stream data into data store or data lake like S3 but not to a full fledge DB.
upvoted 1 times
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thehaohcm
3 years, 5 months ago
aws certificate is not easy like this. You would be failed if still rely on a several keywords like that. The correct answer is C
upvoted 1 times
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ericsrz
3 years, 6 months ago
Its C. Kinesis DS with DynamoDB. As Kinesis Datafirehos cant store in DynamoDB.
upvoted 5 times
Gomer
3 years, 5 months ago
No expert here, but Firehose can't send data directly to DynamoDB, but it can indirectly by calling Lambda to insert the data into DynamoDB. https://stackoverflow.com/questions/58351730/how-to-pass-kinesis-firehose-data-to-dynamodb-table I'm still going with C, but mainly because my mind is sore and I can't think any more.
upvoted 1 times
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Gupshup
3 years, 6 months ago
C is correct
upvoted 3 times
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jkwek
3 years, 6 months ago
Answer is C. https://aws.amazon.com/kinesis/data-streams/ Amazon Kinesis Data Streams (KDS) is a massively scalable and durable real-time data streaming service. KDS can continuously capture gigabytes of data per second from hundreds of thousands of sources such as website clickstreams, database event streams, financial transactions, social media feeds, IT logs, and location-tracking events.
upvoted 8 times
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EricLIM
3 years, 6 months ago
C is correct
upvoted 3 times
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Sallywhite
3 years, 7 months ago
Answe is B
upvoted 3 times
Cotter
3 years, 6 months ago
Why B? please explanation.
upvoted 1 times
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Sallywhite
3 years, 7 months ago
Changing to c for low retrieval
upvoted 3 times
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Community vote distribution
A (35%)
C (25%)
B (20%)
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