MITS Hadoop 1

Which is the core of the operating system?

• Shell

• Kernel

• Commands

• Script

To increase the response time and throughput, the kernel minimizes the frequency of disk access by keeping a pool of internal data buffer called

• Pooling

• Spooling

• Buffer Cache

• Swapping

Which command is used to display the unix version

• uname -r

• uname -n

• uname -t

• kernel

How do you get help about the command “cp”?

• help cp

• man cp

• cd

• none of the above

Which one shows the name of the operating system?

• uname -n

• uname -r

• uname -o

• uname -m

For reading/writing data to/from HDFS, clients first connect to-

• NameNode

• DataNode

• Secondary NameNode

• None of the above

IBM and ________ have announced a major initiative to use Hadoop to support university courses in distributed computer programming.

• Google Latitude

• Android (operating system)

• Google Variations

• Google

What was Hadoop written in ?

• Java (software platform)

• Perl

• Java (programming language)

• Lua (programming language)

Which of the following platforms does Hadoop run on ?

• Bare metal

• Debian

• Cross-platform

• Unix-like

Above the file systems comes the ________ engine, which consists of one Job Tracker, to which client applications submit MapReduce jobs.

• MapReduce

• Google

• Functional programming

• Facebook