Dell EMC
D-DS-FN-23
Q1:
When should you consider using multinomial logistic regression over binary logistic regression?
○
A
Dependent variable is continuous or dichotomous○
B
Dependent variable is continuous or categorical○
C
Dependent variable has more than two categories○
D
Dependent variable is continuous only
Dell EMC
D-DS-FN-23
Q2:
What is the similarity between the matrix and array data structures in R?
○
A
Both structures can contain only integers○
B
Both structures can only contain one data type○
C
Both structures can store multiple data types○
D
Both structures must be 2-dimensional
Dell EMC
D-DS-FN-23
Q3:
In hypothesis testing, when does a Type I error occur?
○
A
Null hypothesis is rejected when it is actually false○
B
Null hypothesis is rejected when it is actually true○
C
Null hypothesis is accepted when it is actually false○
D
Null hypothesis is accepted when it is actually true
Dell EMC
D-DS-FN-23
Q4:
What converts SQL-like commands into either Tez, Spark, or MapReduce jobs that are submitted to the Hadoop cluster?
○
A
Pig○
B
HBase○
C
Hive○
D
Mahout
Dell EMC
D-DS-FN-23
Q5:
Which Hadoop service responds to requests for compute and memory resources?
○
A
Application Manager○
B
DataNode○
C
Scheduler○
D
Application Master