Free Cloudera CDP-4001 Exam Questions

Become Cloudera Certified with updated CDP-4001 exam questions and correct answers

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Total 300 Questions | Updated On: Aug 23, 2024

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Question 1

What is the purpose of using mapjoin in Hive queries?

A : perform joins in parallel

B : sort the data before joining

C : improve data compression during joins

D : optimize joins by loading small tables into memory

Answer: D

Question 2

When should you consider using ORC format over Parquet in Cloudera?

A : en simplicity of schema is a priority

B : en data is primarily text-based

C : en working with large-scale, complex data processing workloads

D : en backward compatibility is required

Answer: C

Question 3

How can you convert a string to an integer in Impala?

A : RSE_INT(string)

B : _INTEGER(string)

C : NVERT_TO_INT(string)

D : T(string AS INT)

Answer: D

Question 4

What role does the NameNode play in HDFS?

A : ores actual data blocks

B : rectly manages data block storage

C : ores data replication information

D : nages metadata about files and directories

Answer: D

Question 5

What is the purpose of the GROUP BY clause when used with aggregate functions in Apache Hive?

A : combine rows into a single row

B : filter rows based on aggregate values

C : perform aggregation on each group

D : sort the result set

Answer: C

Page: 1 / 60

Total 300 Questions | Updated On: Aug 23, 2024

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