Hadoop Practice Test 7

1. Point out the wrong statement.

None of the mentioned

Knox intercepts web vulnerability removal and other security services through a series of extensible interceptor pipelines

Knox eliminates the need for client software or client configuration and thus simplifies the access model

Simplified access entend Hadoop’s REST/HTTP services by encapsulating Kerberos within the cluster

2. Which of the following language is not supported by Spark?

Python

Scala

Pascal

Java

3. ___________ facilitates installation of Hadoop across any number of hosts.

Extensible framework

Wizard-driven interface

All of the mentioned

API-driven installations

4. Lucene index size is roughly _______ the size of text indexed.

50%

10%

70%

20%

5. Point out the correct statement.

Tokenizers and Analyzers no longer require Reader on init

Every Lucene segment now stores a unique id per-segment and per-commit to aid in accurate replication of index files

The default norms format now uses sparse encoding when appropriate

All of the mentioned

6. Which of the following has the core Eclipse PDE tools for HDT development?

RVP

RBP

RVP

RAP

7. Which of the following can be used to launch Spark jobs inside MapReduce?

SIM

RIS

SIMR

SIR

8. During merging, __________ now always checks the incoming segments for corruption before merging.

ReadWriter

All of the mentioned

LocalWriter

IndexWriter

9. A fully secure Hadoop cluster needs ___________

SSL

Kerberos

SSH

REST

10. Lucene provides scalable, high-Performance indexing over ______ per hour on modern hardware.

10 GB

150GB

None of the mentioned

1 TB