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NameNode and DataNode do communicate using


A) active pulse
B) heartbeats
C) h-signal
D) data pulse

Correct Answer

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Redundancy has to be implemented at the ___________  architectural level for effective results in cloud computing.


A) lower
B) higher
C) middle
D) all of the mentioned

Correct Answer

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Which scenario demands highest bandwidth for data transfer between nodes


A) different nodes on the same rack
B) nodes on different racks in the same data center.
C) nodes in different data centers
D) data on the same node

Correct Answer

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


A) google latitude
B) android (operating system)
C) google variations
D) google

Correct Answer

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. Which of the following allows you to create instances of the MySQL database to support your Web sites?


A) amazon elastic compute cloud
B) amazon simple queue service
C) amazon relational database service
D) amazon simple storage system

Correct Answer

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A file in HDFS that is smaller than a single block size


A) cannot be stored in hdfs
B) occupies the full block\s size.
C) can span over multiple blocks
D) occupies only the size it needs and not the full block

Correct Answer

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Which of the following protocol is used for discovering and retrieving objects from a cloud?


A) occi
B) smtp
C) http
D) all of the mentioned

Correct Answer

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Point out the wrong statement.


A) the mapper outputs are sorted and then partitioned per reducer
B) the total number of partitions is the same as the number of reduce tasks for the job
C) the intermediate, sorted outputs are always stored in a simple (key-len, key, value-len, value) format
D) none of the mentioned

Correct Answer

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Applications can use the __________  to report progress and set application-level status messages.


A) partitioner
B) outputsplit
C) reporter
D) all of the mentioned

Correct Answer

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Which of the following should be used considering factors shown in the figure?


A) simpledb
B) rds
C) amazon ec2
D) all of the mentioned

Correct Answer

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Showing 41 - 50 of 50

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