AWS Certified Data Analytics Specialty 2021 – Hands-On - Elastic MapReduce (EMR) Architecture and Usage

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Information Technology (IT), Architecture
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University
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Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does EMR stand for in the context of AWS?
Elastic Managed Resource
Elastic MapReduce
Elastic Machine Resource
Efficient Map Resource
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which node type in an EMR cluster is responsible for managing the cluster and coordinating tasks?
Master Node
Task Node
Data Node
Core Node
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a key advantage of using task nodes in an EMR cluster?
They reduce the need for master nodes
They are mandatory for all clusters
They provide additional processing capacity without extra storage
They store large amounts of data
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a transient cluster in EMR?
A cluster that runs indefinitely
A cluster that automatically terminates after completing its tasks
A cluster that requires manual shutdown
A cluster that stores data permanently
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you save costs when running a long-running EMR cluster?
By using reserved instances
By using on-demand instances
By increasing storage capacity
By using more master nodes
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which method allows you to interact with an EMR cluster using a graphical interface?
Using the AWS console
Using a third-party tool
Direct connection to the master node
SSH into the core node
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the benefit of using the AWS console to submit steps to an EMR cluster?
It provides more storage options
It is faster than command line methods
It allows for graphical step definition
It requires no internet connection
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