Marqueguard is a social media monitoring company headquartered in Brighton, England. Marqueguard sells three different products: Analytics, Audiences, and Insights. Marqueguard Analytics is a "self-serveapplication" or software as a service, which archives social media data in order to provide companies with information and the means to track specific segments to analyze their brands` online presence.
The tool`s coverage includes blogs, news sites, forums, videos, reviews, images and social networks such as Twitter and Facebook. Users can search data by using Text and Image Search, and use charting, categorization, sentiment analysis and other features to provide further information and analysis. Marqueguard has access to over 80 million sources.
Marqueguard uses multiple web services like S3, Redshift, others to address various business requirements and Elasticsearch to perform search. What services provide built-in and native integration of streaming data with Elasticsearch? select 2 options.

Answer options:

A. Amazon S3
B.Amazon Firehose
C. Amazon CloudTrail 
D. Amazon Glacier

Answer: B
Option Bis correct - load streaming data into your Amazon Elasticsearch Service domain from many different sources. Some sources, like Amazon Kinesis Data Firehose and Amazon CloudWatch Logs, have built-in support for Amazon ES. Others, like Amazon S3, Amazon Kinesis Data Streams, and Amazon DynamoDB, use AWS Lambda functions as event handlers 
https://docs.aws.amazon.com/elasticsearch-service/latest/developerguide/es-aws-integrations.html