Hadoop Practice Test 9

1. Apache Storm added the open source, stream data processing to _________ Data Platform.

MapR

Cloudera

Local Cloudera

Hortonworks

2. Which of the following is a more compact binary format?

TCompactProtocol

TSimpleJSONProtocol

TDenseProtocol

TBinaryProtocol

3. ___________ nodes are the mechanism by which a workflow triggers the execution of a computation/processing task.

Action

Mechanism

Server

Client

4. Point out the correct statement.

All of the mentioned

Activity tracking is often very high volume as many activity messages are generated for each user page view

The original use case for Kafka was to be able to rebuild a user activity tracking pipeline as a set of real-time publish-subscribe feeds

Kafka is often used for operational monitoring data

5. Which of the following performs compression using zlib?

TFramedTransport

TMemoryTransport

None of the mentioned

TZlibTransport

6. Point out the wrong statement.

All computation/processing tasks triggered by an mechanism node are remote to Oozie

Oozie workflows can be parameterized

None of the mentioned

Oozie provides a unique callback URL to the task, the task should invoke the given URL to notify its completion

7. _______________ is a style of application design where state changes are logged as a time-ordered sequence of records.

None of the mentioned

Commit Log

Event sourcing

Stream Processing

8. Falcon provides ___________ workflow for copying data from source to target.

none of the mentioned

investment

data

recurring

9. If one or more actions started by the workflow job are executing when the ________ node is reached, the actions will be killed.

kill

finsih

start

end

10. Workflow with id __________ should be in SUCCEEDED/KILLED/FAILED.

all of the mentioned

iFD

wfId

iUD