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Hortonworks HADOOP-PR000007 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Hadoop Ecosystem Tools | - Sqoop and data ingestion - Workflow and processing frameworks |
| Topic 2: Hadoop Core Concepts | - YARN and MapReduce fundamentals - HDFS architecture and commands |
| Topic 3: Hive Development | - Hive optimization and execution - Hive table definitions and queries |
| Topic 4: Pig Development | - Pig Latin scripting - Pig data types and UDFs |
Hortonworks-Certified-Apache-Hadoop-2.0-Developer(Pig and Hive Developer) Sample Questions:
Which project gives you a distributed, Scalable, data store that allows you random, realtime read/write
access to hundreds of terabytes of data?
- A. Hive
- B. Pig
- C. Oozie
- D. Hue
- E. Flume
- F. Sqoop
- G. HBase
Correct Answer: G 🗳️
Examine the following Hive statements:
Assuming the statements above execute successfully, which one of the following statements is true?
- A. Hive reformats File1 into a structure that Hive can access and moves into to/user/joe/x/
- B. The contents of File1 are parsed as comma-delimited rows and loaded into /user/joe/x/
- C. The file named File1 is moved to to/user/joe/x/
- D. The contents of File1 are parsed as comma-delimited rows and stored in a database
Correct Answer: C 🗳️
MapReduce v2 (MRv2/YARN) splits which major functions of the JobTracker into separate daemons?
Select two.
- A. MapReduce metric reporting
- B. Resource management
- C. Managing file system metadata
- D. Job coordination between the ResourceManager and NodeManager
- E. Job scheduling/monitoring
- F. Launching tasks
- G. Heath states checks (heartbeats)
- H. Managing tasks
Correct Answer: B,E 🗳️
On a cluster running MapReduce v1 (MRv1), a TaskTracker heartbeats into the JobTracker on your
cluster, and alerts the JobTracker it has an open map task slot.
What determines how the JobTracker assigns each map task to a TaskTracker?
- A. The location of the InsputSplit to be processed in relation to the location of the node.
- B. The amount of RAM installed on the TaskTracker node.
- C. The number and speed of CPU cores on the TaskTracker node.
- D. The amount of free disk space on the TaskTracker node.
- E. The average system load on the TaskTracker node over the past fifteen (15) minutes.
Correct Answer: A 🗳️
In Hadoop 2.0, which one of the following statements is true about a standby NameNode?
The Standby NameNode:
- A. Processes all client requests and block reports from the appropriate DataNodes.
- B. Receives the same block reports as the active NameNode.
- C. Runs on the same machine and shares the memory of the active NameNode.
- D. Communicates directly with the active NameNode to maintain the state of the active NameNode.
Correct Answer: B 🗳️
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