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AWS Certified Data Analytics - Specialty Questions and Answers

Question 1

An analytics software as a service (SaaS) provider wants to offer its customers business intelligence

The provider wants to give customers two user role options

• Read-only users for individuals who only need to view dashboards

• Power users for individuals who are allowed to create and share new dashboards with other users

Which QuickSight feature allows the provider to meet these requirements'?

Options:

A.

Embedded dashboards

B.

Table calculations

C.

Isolated namespaces

D.

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Question 2

A media analytics company consumes a stream of social media posts. The posts are sent to an Amazon Kinesis data stream partitioned on user_id. An AWS Lambda function retrieves the records and validates the content before loading the posts into an Amazon Elasticsearch cluster. The validation process needs to receive the posts for a given user in the order they were received. A data analyst has noticed that, during peak hours, the social media platform posts take more than an hour to appear in the Elasticsearch cluster.

What should the data analyst do reduce this latency?

Options:

A.

Migrate the validation process to Amazon Kinesis Data Firehose.

B.

Migrate the Lambda consumers from standard data stream iterators to an HTTP/2 stream consumer.

C.

Increase the number of shards in the stream.

D.

Configure multiple Lambda functions to process the stream.

Question 3

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 transactions table, and both tables have a product_sku column. The tables are over 100 GB in size. The majority of queries run on both tables.

Which distribution style should the company use for the two tables to achieve optimal query performance?

Options:

A.

An EVEN distribution style for both tables

B.

A KEY distribution style for both tables

C.

An ALL distribution style for the product table and an EVEN distribution style for the transactions table

D.

An EVEN distribution style for the product table and an KEY distribution style for the transactions table