Cloudera CCA-470 Questions & Answers - in .pdf
- Total Q&A: 87
- Update: May 31, 2026
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- Vendor: Cloudera
- Exam Code: CCA-470
- Exam Name: Cloudera Certified Administrator for Apache Hadoop CDH4 Upgrade Exam (CCAH)
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Cloudera CCA-470 Q&A - Testing Engine
- Total Q&A: 87
- Update: May 31, 2026
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- Vendor: Cloudera
- Exam Code: CCA-470
- Exam Name: Cloudera Certified Administrator for Apache Hadoop CDH4 Upgrade Exam (CCAH)
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Cloudera Certified Administrator for Apache Hadoop CDH4 Upgrade Exam (CCAH) Sample Questions:
1. Under which scenario would it be most appropriate to consider using faster (e.g 10 Gigabit) Ethernet as the network fabric for your Hadoop cluster?
A) When the typical workloads generates a large amount of output data, significantly larger than the amount of intermediate data.
B) When the typical workloads consists of processor-intensive tasks.
C) When the typical workloads generates a large amount of intermediate data, on the order of the input data itself.
D) When the typical workloads consumes a large amount of input data, relative to the entire capacity of HDFS.
2. Identify two features/issues that MapReduce v2 (MRv2/YARN) is designed to address:
A) Standardize on a single MapReduce API.
B) Reduce complexity of the MapReduce APIs.
C) Resource pressure on the JobTrackr
D) HDFS latency.
E) Single point of failure in the NameNode.
F) Ability to run frameworks other than MapReduce, such as MPI.
3. What information is stored on disk on the NameNode? (Choose 4)
A) A catalog of DataNodes and the blocks that are stored on them.
B) Names of the files in HDFS.
C) The directory structure of the files in HDFS.
D) An edit log of changes that have been made since the last snapshot compaction by the Secondary NameNode.
E) The status of the heartbeats of each DataNode.
F) File permissions of the files in HDFS.
G) An edit log of changes that have been made since the last backup of the NameNode.
4. Which of the following describe the functions of a scheduling algorithm? (Choose 4)
A) Support the implementation of service-level agreements for multiple cluster users.
B) Reduce the total amount of computation necessary to complete a job.
C) Reduce job latencies in an environment with multiple jobs of different sizes.
D) Allow multiple users to share clusters in a predictable, policy-guided manner.
E) Allow short Jobs to complete even when large, long jobs (consuming a lot of resources) are running.
F) Run jobs at periodic times of the day.
5. You have a cluster running with the Fair Scheduler enabled and configured. You submit multiple jobs to cluster. Each job is assigned to a pool. How are jobs scheduled? (Choose 2)
A) Each pool gets 1/M of the total available task slots, where M is the number of nodes in the cluster
B) Each pool's share of task slots remains static within the execution of any individual job.
C) Pools are assigned priorities. Pools with higher priorities are executed before pools with lower priorities.
D) Each pool's share of task slots may change throughout the course of job execution.
E) Each pool gets 1/N of the total available task slots, where N is the number of jobs running on the cluster.
F) Pools get a dynamically-allocated share of the available task slots (subject to additional constraints).
Solutions:
Question # 1
Answer: C | Question # 2
Answer: C,F | Question # 3
Answer: A,B,C,D | Question # 4
Answer: B,C,D,F | Question # 5
Answer: C,F |
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