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Instant Download Cloudera : CCA-470 Questions & Answers as PDF & Test Engine
- Exam Code: CCA-470
- Exam Name: Cloudera Certified Administrator for Apache Hadoop CDH4 Upgrade Exam (CCAH)
- Updated: Sep 11, 2026
- No. of Questions: 87 Questions and Answers
- Download Limit: Unlimited
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Cloudera CCA-470 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Cluster Administration & Operations | 25% | - Monitoring CDH4 clusters and services - Managing resources with YARN schedulers - Troubleshooting common CDH4 issues |
| Security & Data Management | 15% | - Security enhancements in CDH4 - Data ingestion with Flume and Sqoop - HDFS optimization and maintenance |
| CDH4 Architecture & New Features | 25% | - MapReduce v2 vs MapReduce v1 differences - YARN architecture and resource management - HDFS high availability enhancements |
| Installation & Configuration | 25% | - Upgrading clusters from CDH3 to CDH4 - Configuring core services in CDH4 - Cloudera Manager integration and configuration |
| Cluster Maintenance & Upgrades | 10% | - Backup and recovery procedures - Performing rolling upgrades |
Cloudera Certified Administrator for Apache Hadoop CDH4 Upgrade Exam (CCAH) Sample Questions:
Your cluster Mode size is set to 128MB. A client application (client application A) is writing a 500MB file to HDFS. After client application A has written 300MB of data, another client (client application B) attempts to read the file. What is the effect of a second client requesting a file during a write?
- A. Client application B must wait until the entire file has been written, and will then read its entire contents.
- B. Application B can read 256MB of the file
- C. Client application on B can read the 300MB that has been written so far.
- D. Client application B returns an error
How does the NameNode know DataNodes are available on a cluster running MapReduce v1 (MRv1)
- A. DataNodes heartbeat in the master on a regular basis.
- B. The NameNode send a broadcast across the network when it first starts, and DataNodes respond.
- C. DataNodes listed in the dfs.hosts file. The NameNode uses as the definitive list of available DataNodes.
- D. The NameNode broadcasts a heartbeat on the network on a regular basis, and DataNodes respond.
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You install Cloudera Manager on a cluster where each host has 1 GB of RAM. All of the services show their status as concerning. However, all jobs submitted complete without an error.
Why is Cloudera Manager showing the concerning status KM the services?
- A. DataNode service instance has crashed.
- B. The slave nodes, haven't sent a heartbeat in 60 minutes
- C. A slave node's disk ran out of space
- D. The slave nodes are swapping.
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You has a cluster running with the Fail Scheduler enabled. There are currently no jobs running on the cluster you submit a job A, so that only job A is running on the cluster. A while later, you submit job B.
Now job A and Job B are running on the cluster al the same time. How will the Fair' Scheduler handle these two Jobs?
- A. When job B gets submitted, it will get assigned tasks, while job A continues to run with fewer tasks.
- B. When job A gets submitted, it consumes all the task slot
- C. When job B gets submitted, Job A has to finish first, before job it can get scheduled.
- D. When job A gets submitted, it doesn't consume all the task slot
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What metadata is stored on a DataNode when a block is written to it?
- A. Node location of each block belonging to the same namespace.
- B. None. Only the block itself is written.
- C. Checksums for the data in the block, as a separate file.
- D. Information on the file's location in HDFS.
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