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Updated: Oct 25, 2026
No. of Questions: 87 Questions & Answers with Testing Engine
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Cloudera CCA-470 Exam Overview:
| Certification Vendor: | Cloudera |
|---|---|
| Exam Name: | Cloudera Certified Administrator for Apache Hadoop (CDH4 Upgrade Exam / CCAH) |
| Exam Number: | CCA-470 |
| Related Certifications: | Cloudera Certified Professional (CCP) Data Engineer Cloudera Certified Administrator for Apache Hadoop (CCAH) |
| Certificate Validity Period: | 2 years |
| Exam Price: | USD 295 |
| Exam Duration: | 90 minutes |
| Real Exam Qty: | 40-60 |
| Available Languages: | English |
| Exam Format: | Scenario-based Questions, Multiple Choice |
| Passing Score: | 70% |
| Sample Questions: | Cloudera CCA-470 Sample Questions |
| Exam Way: | Proctored online exam or authorized testing center (onsite) |
| Pre Condition: | Recommended prior experience with Hadoop administration and familiarity with Linux system operations; CCAH knowledge is typically assumed. |
| Official Syllabus URL: | https://www.cloudera.com/training/certification.html |
Cloudera CCA-470 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: YARN and Resource Management | - Resource scheduling
|
| Topic 2: HDFS Administration | - Filesystem operations
|
| Topic 3: Cluster Installation and Upgrade (CDH4) | - Upgrade process
|
| Topic 4: Hadoop Ecosystem Tools | - Data processing tools
|
| Topic 5: Hadoop Cluster Architecture | - Cluster roles and services
|
| Topic 6: Security and Cluster Management | - Authentication and authorization
|
Cloudera Certified Administrator for Apache Hadoop CDH4 Upgrade Exam (CCAH) Sample Questions:
It is recommended that you run the HDFS balancer periodically. Why? (Choose 3)
- A. To ensure that all blocks in the cluster are 128MB in size.
- B. To help HDFS deliver consistent performance under heavy loads.
- C. To ensure that there is consistent disk utilization across the DataNodes.
- D. To ensure that there is capacity in HDTS for additional data.
- E. To improve data locality for MapReduce tasks.
Correct Answer: B,C,D 🗳️
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On a cluster running MapReduce v1 (MRv1), the value of the mapred.tasktracker.map.tasks.maximum configuration parameter in the mapred-site.xml file should be set to:
- A. Half the number of the maximum number of Reduce tasks which can run simultaneously on an individual node.
- B. The maximum number of Map tasks can run simultaneously on an individual node.
- C. The maximum number of Map tasks which can run on the cluster as a whole.
- D. Half the number of the maximum number of Reduce tasks which can run on the cluster as a whole.
- E. The same value on each slave node.
Correct Answer: B 🗳️
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In the context of configuring a Hadoop cluster for HDFS High Availability (HA), 'fencing' refers to:
- A. Isolating the cluster's master daemon to limit write access only to authorized clients.
- B. Isolating both HA NameNodes to prevent a client application from killing the NameNode daemons.
- C. Isolating the standby NameNode from write access to the fsimage and edits files.
- D. Isolating a failed NameNode from write access to the fsimage and edits files so that is cannot resume write operations if it recovers.
Correct Answer: D 🗳️
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Your cluster implements HDFS High Availability (HA). You two NameNodes are named nn01 and nn02. What occurs when you execute the command:
Hdfs haadmin -failover nn01 nn02
- A. Nn01 is fenced, and nn01 becomes the active NameNode
- B. nn02 becomes the standby NameNode and nn02 becomes the active NameNode
- C. Nn01 is fenced, and nn02 becomes the active NameNode
- D. Nn01 becomes the standby NameNode and nn02 becomes the active NameNode
Correct Answer: C 🗳️
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Which two features does Kerberos security add to a Hadoop cluster?
- A. Encryption for data on disk ("at rest")
- B. Authentication for user access to the cluster against a central server
- C. Encryption on all remote procedure calls (RPCs)
- D. User authentication on all remote procedure calls (RPcs)
- E. Root access to the cluster for users hdfs and mapred but non-root acess clients
Correct Answer: C,D 🗳️
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