D-DS-FN-23 Dell Data Scientist and Big Data Analytics Foundations

Dell EMC
5 free sample questions

About this exam

D-DS-FN-23 is the Dell EMC exam Dell Data Scientist and Big Data Analytics Foundations. Paid practice material for this exam is not available yet, but you can try its free sample questions.

Exam code: D-DS-FN-23
Vendor: Dell EMC
Practice questions: Not available yet
Free sample questions: 5
Question bank last updated: Not available yet

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Taken from the free sample set for D-DS-FN-23.

Question 1

What characterizes the Hadoop Distributed File System?

Option A:
Peer to peer system designed to run on custom designed hardware
Option B:
Peer to peer system designed to run on commodity hardware
Option C:
Master/ slave system designed to run on custom designed hardware
Option D:
Master/ slave system designed to run on commodity hardware

Show answer and explanation

Correct answer: D

The Hadoop Distributed File System (HDFS) is a master/slave system designed to run on commodity hardware, meaning it can efficiently store large volumes of data across inexpensive, off-the-shelf hardware.

Question 2

After which phase of the data analytics lifecycle should you determine if the model needs any recalibration?

Option A:
Model planning
Option B:
Data preparation
Option C:
Discovery
Option D:
Operationalize

Show answer and explanation

Correct answer: D

Recalibration of the model should be assessed during the Operationalize phase, as this is when the model is deployed and monitored in real-world conditions, making it easier to identify if it requires adjustments based on its performance.

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