Cloudera CCA-470 exam dumps : Cloudera Certified Administrator for Apache Hadoop CDH4 Upgrade Exam (CCAH)

  • Exam Code: CCA-470
  • Exam Name: Cloudera Certified Administrator for Apache Hadoop CDH4 Upgrade Exam (CCAH)
  • Updated: Sep 17, 2026     Q & A: 87 Questions and Answers

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Cloudera CCA-470 Exam Syllabus Topics:

SectionObjectives
Topic 1: Cluster Installation and Configuration- Installing and configuring CDH4 components
- Cluster setup and node management
Topic 2: MapReduce and Job Management- Job execution and scheduling
- Troubleshooting failed jobs
Topic 3: Upgrade and Migration (CDH4 focus)- Compatibility and migration considerations
- Upgrading CDH components
Topic 4: Cluster Maintenance and Monitoring- Monitoring cluster health and performance
- Log analysis and debugging
Topic 5: Hadoop and CDH Architecture- Hadoop ecosystem components (HDFS, MapReduce)
- CDH4 architecture overview and services
Topic 6: HDFS Administration- HDFS architecture and data replication
- NameNode and DataNode management

Cloudera Certified Administrator for Apache Hadoop CDH4 Upgrade Exam (CCAH) Sample Questions:

Question #1

You've configured your cluster with HDFS Federation. One NameNode manages the /data namesapace and another Name/Node manages the /reports namespace. How do you configure a client machine to access both the /data and the /reports directories on the cluster?

  • A. Configure the client to mount both namespaces by specifying the appropriate properties in the core-site.xml
  • B. You cannot configure a client to access both directories in the current implementation of HDFS Federation.
  • C. You don't need to configure any parameters on the client machine. Access is controlled by the NameNodes managing the namespace.
  • D. Configure the client to mount the /data namespace. As long as a single namespace is mounted and the client participates in the cluster, HDFS grants access to all files in the cluster to that client.
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

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Question #2

Which daemon spawns child JVMs to perform MapReduce processing?

  • A. JobTracker
  • B. TaskTracker
  • C. Secondary NameNode
  • D. NameNode
  • E. DataNode
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

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Question #3

Which scheduler would you deploy to ensure that your cluster allows short jobs to finish within a reasonable time without starving long-running jobs?

  • A. Fair Scheduler
  • B. Capacity Scheduler
  • C. Completely Fair Scheduler (CFS)
  • D. FIFO Scheduler
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

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Question #4

You are running a Hadoop cluster with all monitoring facilities properly configured. Which scenario will go undetected?

  • A. A DataNode is disconnected from the cluster.
  • B. HDFS is almost full.
  • C. MapReduce jobs that are causing excessive memory swaps.
  • D. The NameNode goes down.
  • E. Map or reduce tasks that are stuck in an infinite loop.
Reveal Solution  Discussion  0

Correct Answer: E  🗳️

Question #5

Assuming a large properly configured multi-rack Hadoop cluster, which scenario should not result in loss of HDFS data assuming the default replication factor settings?

  • A. Ten percent of DataNodes simultaneously fail.
  • B. Multiple racks simultaneously fail.
  • C. An entire rack fails.
  • D. Seventy percent of DataNodes simultaneously fail.
  • E. All DataNodes simultaneously fail.
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

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