Prepare with Cloudera CCA-470 exam torrent, pass for sure
Last Updated: Sep 11, 2026
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Cloudera CCA-470 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Cluster Administration & Operations | 25% | - Monitoring CDH4 clusters and services - Managing resources with YARN schedulers - Troubleshooting common CDH4 issues |
| Topic 2: Cluster Maintenance & Upgrades | 10% | - Performing rolling upgrades - Backup and recovery procedures |
| Topic 3: CDH4 Architecture & New Features | 25% | - YARN architecture and resource management - MapReduce v2 vs MapReduce v1 differences - HDFS high availability enhancements |
| Topic 4: Installation & Configuration | 25% | - Cloudera Manager integration and configuration - Configuring core services in CDH4 - Upgrading clusters from CDH3 to CDH4 |
| Topic 5: Security & Data Management | 15% | - Security enhancements in CDH4 - HDFS optimization and maintenance - Data ingestion with Flume and Sqoop |
Cloudera Certified Administrator for Apache Hadoop CDH4 Upgrade Exam (CCAH) Sample Questions:
Which two features does Kerberos security add to a Hadoop cluster?
- A. Root access to the cluster for users hdfs and mapred but non-root acess clients
- B. Authentication for user access to the cluster against a central server
- C. User authentication on all remote procedure calls (RPcs)
- D. Encryption for data on disk ("at rest")
- E. Encryption on all remote procedure calls (RPCs)
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You have a cluster running with the FIFO scheduler enabled. You submit a large job A to the
cluster which you expect to run for one hour. Then, you submit job B to the cluster, which you expect to run a couple of minutes only. Let's assume both jobs are running at the same priority.
How does the FIFO scheduler execute the jobs? (Choose 3)
- A. Since job B needs only a few tasks, if might finish before job A completes.
- B. Given jobs A and B submitted in that order, all tasks from job A will be scheduled before all tasks from job B.
- C. The order of execution of tasks within a job may vary.
- D. When a job is submitted, all tasks belonging to that job are scheduled.
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Which of the following scenarios makes HDFS unavailable?
- A. TaskTracker failure
- B. JobTracker failure
- C. DataNode failure
- D. Secondary NameNode failure
- E. NameNode failure
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You are planning a Hadoop duster, and you expect to be receiving just under 1TB of data per week which will be stored on the cluster, using Hadoop's default replication. You decide that your slave nodes will be configured with 4 x 1TB disks.
Calculate how many slave nodes you need to deploy at a minimum to store one year's worth of data.
- A. 100 slave nodes
- B. 10 slave nodes
- C. 100 slave nodes
- D. 50 slave nodes
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What two processes must you do if you are running a Hadoop cluster with a single NameNode and six DataNodes, and you want to change a configuration parameter so that it affects all six DataNodes.
- A. You must modify the configuration files on each of the six DataNode machines.
- B. You must modify the configuration files on only one of the DataNode machine
- C. You must restart all six DataNode daemons to apply the changes to the cluster.
- D. You must restart the NameNode daemon to apply the changes to the cluster
- E. You must modify the configuration files on the NameNode only. DataNodes read their configuration from the master nodes.
- F. You don't need to restart any daemon, as they will pick up changes automatically.
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