Olete.in – MCQs, Mock Tests & Government Job Prep | Apache Hadoop Hadoop Basics MCQs

All of the following accurately describe Hadoop, EXCEPT:

1. Open source
2. Real-time
3. Java-based
4. Distributed computing approach

✅ Correct Answer: 2

Point out the wrong statement :

1. Elastic MapReduce (EMR) is Facebook's packaged Hadoop offering
2. Amazon Web Service Elastic MapReduce (EMR) is Amazon's packaged Hadoop offering
3. Scalding is a Scala API on top of Cascading that removes most Java boilerplate
4. All of the mentioned

✅ Correct Answer: 1

________ is the most popular high-level Java API in Hadoop Ecosystem

1. Scalding
2. HCatalog
3. Cascalog
4. Cascading

✅ Correct Answer: 4

___________ is general-purpose computing model and runtime system for distributed data analytics.

1. Mapreduce
2. Drill
3. Oozie
4. None of the mentioned

✅ Correct Answer: 1

Which of the following genres does Hadoop produce ?

1. Distributed file system
2. JAX-RS
3. Java Message Service
4. Relational Database Management System

✅ Correct Answer: 1

What was Hadoop written in ?

1. Java (software platform)
2. Perl
3. Java (programming language)
4. Lua (programming language)

✅ Correct Answer: 3

Which of the following platforms does Hadoop run on ?

1. Bare metal
2. Debian
3. Cross-platform
4. Unix-like

✅ Correct Answer: 3

Hadoop achieves reliability by replicating the data across multiple hosts, and hence does not require ________ storage on hosts.

1. RAID
2. Standard RAID levels
3. ZFS
4. Operating system

✅ Correct Answer: 1