Hadoop Interview Questions - 25

1. DataStage originated at __________ a company that developed two notable products: UniVerse database and the DataStage ETL tool.

A. VMark

B. Vzen

C. Hatez

D. None of the mentioned

Correct Answer is : VMark

2. DataStage RTI is real time integration pack for :

A. STD

B. ISD

C. EXD

D. None of the mentioned

Correct Answer is : ISD

3. __________ is a fully integrated, state-of-the-art analytic database architected specifically to leverage strengths of Hadoop.

A. Oozie

B. Impala

C. Lucene

D. BigTop

Correct Answer is : Impala

4. Point out the correct statement :

A. With Impala, more users, whether using SQL queries or BI applications, can interact with more data

B. Technical support for Impala is not available via a Cloudera Enterprise subscription

C. Impala is proprietary tool for Hadoop

D. None of the mentioned

Correct Answer is : With Impala, more users, whether using SQL queries or BI applications, can interact with more data

5. Impala is an integrated part of a ____________ enterprise data hub.

A. MicroSoft

B. IBM

C. Cloudera

D. All of the mentioned

Correct Answer is : Cloudera

6. For Apache __________ users, Impala utilizes the same metadata.

A. cTakes

B. Hive

C. Pig

D. Oozie

Correct Answer is : Hive

7. Point out the wrong statement :

A. For Apache Hive users, Impala utilizes the same metadata, ODBC driver, SQL syntax, and user interface as Hive

B. Impala provides high latency and low concurrency

C. Impala also scales linearly, even in multi tenant environments

D. All of the mentioned

Correct Answer is : Impala provides high latency and low concurrency

8. Impala is integrated with native Hadoop security and Kerberos for authentication via __________ module

A. Sentinue

B. Sentry

C. Sentinar

D. All of the mentioned

Correct Answer is : Sentry

9. Which of the following companies shipped Impala ?

A. Amazon

B. Oracle

C. MapR

D. All of the mentioned

Correct Answer is : All of the mentioned

10. ____________ analytics is a work in progress with Impala.

A. Reproductive

B. Exploratory

C. Predictive

D. All of the mentioned

Correct Answer is : Reproductive

11. Which of the following features is not provided by Impala ?

A. SQL functionality

B. ACID

C. Flexibility

D. None of the mentioned

Correct Answer is : ACID

12. Apache Cassandra™ is a massively scalable open source _______ database.

A. SQL

B. NoSQL

C. NewSQL

D. All of the mentioned

Correct Answer is : NoSQL

13. Point out the correct statement :

A. Cassandra delivers continuous availability, linear scalability, and operational simplicity across many commodity servers

B. Cassandra has a “masterless” architecture, meaning all nodes are the same

C. Cassandra also provides customizable replication, storing redundant copies of data across nodes that participate in a Cassandra ring

D. All of the mentioned

Correct Answer is : All of the mentioned

14. Cassandra uses a protocol called _______ to discover location and state information

A. gossip

B. intergos

C. goss

D. all of the mentioned

Correct Answer is : gossip

15. A __________ determines which data centers and racks nodes belong to.

A. Client requests

B. Snitch

C. Partitioner

D. None of the mentioned

Correct Answer is : Snitch

16. Point out the wrong statement :

A. Cassandra supplies linear scalability, meaning that capacity may be easily added simply by adding new nodes online

B. Cassandra 2.0 included major enhancements to CQL, security, and performance

C. CQL for Cassandra 2.0.6 adds several important features including batching of conditional updates, static columns, and increased control over slicing of clustering columns

D. None of the Mentioned

Correct Answer is : None of the Mentioned

17. User accounts may be altered and dropped using the __________ Query Language.

A. Hive

B. Cassandra

C. Sqoop

D. None of the mentioned

Correct Answer is : Cassandra

18. Authorization capabilities for Cassandra use the familiar _________ security paradigm to manage object permissions.

A. COMMIT

B. GRANT

C. ROLLBACK

D. None of the mentioned

Correct Answer is : GRANT

19. Client-to-node encryption protects data in flight from client machines to a database cluster using :

A. SSL

B. SSH

C. SSN

D. All of the mentioned

Correct Answer is : SSL

20. Using ___________ file means you don’t have to override the SSL_CERTFILE environmental variables every time.

A. qlshrc

B. cqshrc

C. cqlshrc

D. none of the mentioned

Correct Answer is : cqlshrc

Hadoop interview questions part 25

Hadoop interview questions part 25

Take as many assements as you can to improve your validate your skill rating

Total Questions: 20

1. DataStage originated at __________ a company that developed two notable products: UniVerse database and the DataStage ETL tool.

2. DataStage RTI is real time integration pack for :

3. __________ is a fully integrated, state-of-the-art analytic database architected specifically to leverage strengths of Hadoop.

4. Point out the correct statement :

5. Impala is an integrated part of a ____________ enterprise data hub.

6. For Apache __________ users, Impala utilizes the same metadata.

7. Point out the wrong statement :

8. Impala is integrated with native Hadoop security and Kerberos for authentication via __________ module

9. Which of the following companies shipped Impala ?

10. ____________ analytics is a work in progress with Impala.

11. Which of the following features is not provided by Impala ?

12. Apache Cassandra™ is a massively scalable open source _______ database.

13. Point out the correct statement :

14. Cassandra uses a protocol called _______ to discover location and state information

15. A __________ determines which data centers and racks nodes belong to.

16. Point out the wrong statement :

17. User accounts may be altered and dropped using the __________ Query Language.

18. Authorization capabilities for Cassandra use the familiar _________ security paradigm to manage object permissions.

19. Client-to-node encryption protects data in flight from client machines to a database cluster using :

20. Using ___________ file means you don’t have to override the SSL_CERTFILE environmental variables every time.

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