Question 1

What is a key advantage of using Cloudera Data Warehouse with Apache Impala?

Options :

A : Reduced storage costs

B : Enhanced real-time query performance

C : Improved batch processing speed

D : Simplified data transformation

Answer: B

Question 2

How can you enforce data security policies at the file level in HDFS using Apache Ranger?

Options :

A : By configuring HDFS policies in Cloudera Manager

B : By configuring HDFS policies in HDFS Admin

C : By configuring HDFS policies in Atlas Admin

D : By configuring HDFS policies in Ranger Admin

Answer: D

Question 3

How do you format a date to 'YYYY-MM-DD' in Impala?

Options :

A : TO_DATE

B : DATE_FORMAT

C : FORMAT_DATE

D : CONVERT_DATE

Answer: B

Question 4

Which tool should you use for interactive SQL queries on large datasets in a Cloudera environment?

Options :

A : Apache HBase

B : Apache Spark SQL

C : Apache Hive

D : Apache Impala

Answer: D

Question 5

Which function is used to cast a column to a different data type in Impala?

Options :

A : TRANSFORM

B : CHANGE

C : CAST

D : CONVERT

Answer: C

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