Question 1

How does Cloudera’s Data Catalog Service improve data lineage tracking?

Options :

A : By providing real-time data replication

B : By enhancing user access controls

C : By optimizing storage efficiency

D : By maintaining detailed metadata records

Answer: D

Question 2

In Apache Atlas, how can you trace the impact of a schema change on downstream data processing?

Options :

A : By using data snapshots

B : By reviewing lineage relationships and impact analysis

C : By querying data directly

D : By analyzing log files

Answer: B

Question 3

How can you save query results into a CSV file in HDFS using Hive?

Options :

A : Use CREATE TABLE AS SELECT with CSV format

B : Use INSERT OVERWRITE DIRECTORY with a CSV format.

C : Use LOAD DATA INPATH and convert to CSV

D : Use EXPORT to HDFS

Answer: B

Question 4

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 5

What is the advantage of using INSERT OVERWRITE DIRECTORY over INSERT INTO in Hive?

Options :

A : It appends results to the existing data.

B : It overwrites existing data in the specified directory.

C : It creates a backup of the query results.

D : It creates a new table for results.

Answer: B