Tiger Investments (TI) is a private equity trust manager specializing in border market investments. The Group is considered a pioneer investor in Southeast Asia’s Greater Sub-region and the Caribbean. Tiger Capital creates private equity funds targeting pre-emerging, post-conflict or post-disaster economies that are undergoing transition and are poised for rapid growth.
The funds invest commercially in basic businesses, targeting attractive economic and social returns. Tiger Capital invests through a diversity of financial instruments including equity, and debt TI is planning to launch EMR cluster to complement their ETL workloads running on Data Pipeline. The Team is looking for storing persistent data complemented with server-side encryption, read-after-write consistency, and list consistency and enables Data Lake for the enterprise to support analytics. Select 1 option.

Answer options:

A.HDFS Storage launched on master and core nodes with storage reclaimed when the cluster ends
B.EMRFS implementation of HDFS used for reading and writing regular files from Amazon EMR directly to Amazon S3
C.Master and Core nodes running on EC2 that comes with a preconfigured block of preattached disk storage called an instance store
D.Master and Core nodes running on local file system or local connected disks

Answer: B
Option A is incorrect - Provides Ephemeral storage can be enabled through HDFS
https://docs.aws.amazon.com/emr/latest/ManagementGuide/emr-plan-file-systems.html
Option B is correct - Provides the convenience of storing persistent data in Amazon S3 for use with Hadoop while also providing features like Amazon S3 server-side encryption, read-after-write consistency, and list consistency
https://docs.aws.amazon.com/emr/latest/ManagementGuide/emr-plan-file-systems.html
Option C is incorrect - Each node is created from an EC2 instance that comes with a preconfigured block of pre-attached disk storage called an instance store. Data on instance store volumes persists only during the life of its EC2 instance
https://docs.aws.amazon.com/emr/latest/ManagementGuide/emr-plan-file-systems.html
Option D is incorrect - This is same as above defined in option
C. The local file system refers to a locally connected disk. When you create a Hadoop cluster, each node is created from an Amazon EC2 instance that comes with a preconfigured block of pre-attached disk storage called an instance store. Data on instance store volumes persists only during the lifecycle of its Amazon EC2 instance.