Hadoop Mock Test 7 - Sanfoundry

10%

Question 1 of 10

1. Heap usage during IndexWriter merging is also much lower with the new _________

Lucene20Cod

All of the mentioned

LucCodec

Lucene50Codec

Question 1 of 10

Question 2 of 10

2. Point out the wrong statement.

The default codec has an option to control BEST_SPEED or BEST_COMPRESSION for stored fields

Memory index supports payloads

ConcurScheduler detects whether the index is on SSD or not

Auto-IO-throttling has been added to ConcurrentMergeScheduler, to rate limit IO writes for each merge depending on incoming merge rate

Question 2 of 10

Question 3 of 10

3. __________ are the Chukwa processes that actually produce data.

Collectors

HBase Table

HCatalog

Agents

Question 3 of 10

Question 4 of 10

4. Ambari leverages ___________ for system alerting and will send emails when your attention is needed.

All of the mentioned

Nagios

Ganglia

Nagaond

Question 4 of 10

Question 5 of 10

5. Point out the wrong statement.

For distributed storage, Spark can interface with a wide variety, including Hadoop Distributed File System (HDFS)

All of the mentioned

Spark also supports a pseudo-distributed mode, usually used only for development or testing purposes

Spark has over 465 contributors in 2014

Question 5 of 10

Question 6 of 10

6. Knox provides perimeter _________ for Hadoop clusters.

fault tolerant

security

reliability

flexibility

Question 6 of 10

Question 7 of 10

7. The easiest way to have an HDP cluster is to download the _____________

None of the mentioned

Sandbox

Hadoop

Dashboard

Question 7 of 10

Question 8 of 10

8. Spark runs on top of ___________ a cluster manager system which provides efficient resource isolation across distributed applications.

Mesus

Mesjs

Mesos

All of the mentioned

Question 8 of 10

Question 9 of 10

9. The __________ streams chunks of data to HDFS, and write data in temp filename with .chukwa suffix.

All of the mentioned

SeqFileWriter

LocalWriter

SocketTeeWriter

Question 9 of 10

Question 10 of 10

10. The _____________ allows external processes to watch the stream of chunks passing through the collector.

SocketTeeWriter

SeqFileWriter

LocalWriter

All of the mentioned

Question 10 of 10