Hortonworks Data Platform Certified Developer (HDPCD) - Hworks

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Sample HDPCD Exam Questions & Explanations

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Question #1 Verified Q&A
Which Hadoop component is responsible for managing the distributed file system metadata?
A NameSpaceManager
B Metanode
C DataNode
D NameNode
Correct Answer: NameNode
Question #2 Verified Q&A
A NameNode in Hadoop 2.2 manages ______________.
A Two namespaces: an active namespace and a backup namespace
B An arbitrary number of namespaces
C No namespaces
D A single namespace
Correct Answer: A single namespace
Question #3 Verified Q&A
Which Two of the following statements are true about hdfs? Choose 2 answers
A Block sizes for all files must be the same size
B HDFS works best when storing a large number of relatively small files
C Blocks are replicated to multiple datanodes
D An HDFS file that is larger than dfs.block.size is split into blocks
Correct Answer: Blocks are replicated to multiple datanodes, An HDFS file that is larger than dfs.block.size is split into blocks
Question #4 Verified Q&A
In Hadoop 2.2, which one of the following statements is true about a standby NameNode?<br />
<br />
The Standby NameNode:
A Communicates directly with the active NameNode to maintain the state of the active NameNode.
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 Processes all client requests and block reports from the appropriate DataNodes.
Correct Answer: Receives the same block reports as the active NameNode.
Question #5 Verified Q&A
Which HDFS command uploads a local file X into an existing HDFS directory Y?
A hadoop fs -get X Y
B hadoop fs-put X Y
C hadoop fs -localPut X Y
D hadoop scp X Y
Correct Answer: hadoop fs-put X Y

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Our HDPCD (Hortonworks Data Platform Certified Developer) practice question bank currently includes 108 verified questions with comprehensive explanations.
Are the HDPCD exam practice questions up to date for 2026?
Yes, all Hworks HDPCD practice questions are regularly updated and verified against current exam objectives.
Will the HDPCD practice questions help me pass on my first attempt?
The HDPCD (Hortonworks Data Platform Certified Developer) question bank is built to mirror the real exam's format and topics, with detailed explanations for every answer so you understand the reasoning — not just memorize responses.
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