Hadoop Mock Test 9 - Sanfoundry

10%

Question 1 of 10

1. Point out the correct statement.

Predicates are evaluated in order or appearance until one of them evaluates to true and the corresponding transition is taken

All of the mentioned

Predicates are JSP Expression Language (EL) expressions

The name attribute in the decision node is the name of the decision node

Question 1 of 10

Question 2 of 10

2. Falcon provides the key services data processing applications need so Sophisticated________ can easily be added to Hadoop applications.

DCM

DAM

DLM

All of the mentioned

Question 2 of 10

Question 3 of 10

3. Point out the wrong statement.

The fork node assumes concurrent execution paths are children of the same fork node

The fork and join nodes must be used in pairs

A join node waits until every concurrent execution path of a previous fork node arrives to it

A fork node splits one path of execution into multiple concurrent paths of execution

Question 3 of 10

Question 4 of 10

4. ________ uses blocking socket I/O for transport.

TSimpleServer

TNonblockingServer

None of the mentioned

TSocket

Question 4 of 10

Question 5 of 10

5. Falcon provides seamless integration with _____________

metastore

HCatalog

Kafka

HBase

Question 5 of 10

Question 6 of 10

6. Kafka is comparable to traditional messaging systems such as _____________

BigTop

ActiveMQ

Impala

Zookeeper

Question 6 of 10

Question 7 of 10

7. If a computation/processing task -triggered by a workflow fails to complete successfully, its transitions to _____________

error

true

false

Question 7 of 10

Question 8 of 10

8. Oozie can make _________ callback notifications on action start events and workflow end events.

TCP

HTTP

All of the mentioned

Question 8 of 10

Question 9 of 10

9. A _______________ action can be configured to perform file system cleanup and directory creation before starting the mapreduce job.

map

none of the mentioned

map-reduce

reduce

Question 9 of 10

Question 10 of 10

10. Point out the correct statement.

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

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

None of the mentioned

Impala is proprietary tool for Hadoop

Question 10 of 10