Question 1

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 2

Which command is used to invalidate metadata in Impala when changes are made to underlying data files in Cloudera?

Options :

A : REFRESH

B : LOAD DATA INPATH

C : ALTER TABLE

D : INVALIDATE METADATA

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

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

Options :

A : PARSE_INT(string)

B : TO_INTEGER(string)

C : CONVERT_TO_INT(string)

D : CAST(string AS INT)

Answer: D

Question 5

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

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