Mapr (HP) Hadoop Developer Certification Questions and Answers (Dumps and Practice Questions)

Question : When you submit the Job on client node, which of the following is instantiated first.


1. JobTracker

2. TaskTracker

3. NodeManager

4. JobManager

5. Job

Correct Answer : 5
Explanation:




Question : YARN architecture supports the separation of resource management and job management


1. True
2. False

Correct Answer : 1
Explanation:




Question : In MRv JobTracker supports the both resource management and job management


1. True
2. False

Correct Answer : 1
Explanation:

Related Questions

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Question : TaskTracker runs all the MapTask in the same JVM, if machine has enough processing power and Memory


1. True
2. False


Question : Select the correct statement



1. While job is running the intermediate data is keep deleted
2. Reducers write their final output to HDFS
3. Access Mostly Uused Products by 50000+ Subscribers
4. All 1,2 and 3 are correct
5. None of the above



Question : The Intermediate data is held on the TaskTrackers local disk ?

1. True
2. False



Question : In a cluster single node can run all the daemons ?

1. Yes
2. No




Question : MapR services produce metrics that can be written to an output file, which is the metrics that can be collected.
A. CLDB
B. File Servers
C. Hive Query Statistics
D. Fume job statistics

1. A,B
2. B,C
3. Access Mostly Uused Products by 50000+ Subscribers
4. A,D
5. B,D


Question : MapReduce v (MRv/YARN) is designed to address which two issues?
A. Single point of failure in the NameNode.
B. Resource pressure on the JobTracker.
C. HDFS latency.
D. Ability to run frameworks other than MapReduce, such as MPI.
E. Reduce complexity of the MapReduce APIs.
F. Standardize on a single MapReduce API.


1. A,B
2. B,C
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4. A,D
5. B,D