Purchase Cloudera : CCD-333 Exam Materials and then pass exam easily
Updated: Jul 24, 2026
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Cloudera CCD-333 Exam Overview:
| Certification Vendor: | Cloudera |
| Exam Name: | Cloudera Certified Developer for Apache Hadoop |
| Exam Number: | CCD-333 |
| Exam Format: | Multiple Choice, Scenario-based |
| Related Certifications: | CCD-410 CCA-130 CCP-100 |
| Exam Duration: | 90 minutes |
| Exam Price: | $295 USD |
| Available Languages: | English |
| Real Exam Qty: | 50-60 |
| Certificate Validity Period: | 2 years |
| Passing Score: | 70% |
| Recommended Training: | Cloudera Developer Training for Apache Hadoop |
| Exam Registration: | Cloudera Certification Portal |
| Sample Questions: | Cloudera CCD-333 Sample Questions |
| Exam Way: | Proctored online or at authorized testing centers; RETIRED since October 31, 2021 |
| Pre Condition: | Basic Java programming, Linux command line, and understanding of distributed systems |
| Official Syllabus URL: | https://www.cloudera.com/services-and-support/training/certification.html |
Cloudera CCD-333 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| MapReduce Design and Development | 35% | - Input/output formats and data serialization - Mappers, reducers, combiners, partitioners - Job configuration and optimization - MapReduce workflow and execution |
| Best Practices and Optimization | 15% | - Scalability and fault tolerance - Performance tuning - Debugging and error handling |
| Hadoop Architecture and HDFS | 25% | - HDFS API usage - HDFS components and design - Data access, replication, and consistency |
| Hadoop Ecosystem Tools | 25% | - Sqoop and Flume for data ingestion - Oozie workflow scheduling - Apache Pig and data flow scripting - Apache Hive and data warehousing |
Cloudera Certified Developer for Apache Hadoop Sample Questions:
1. If you run the word count MapReduce program with m mappers and r reducers, how many output files will you get at the end of the job? And how many key-value pairs will there be in each file? Assume k is the number of unique words in the input files.
A) There will be r files, each with exactly k/r key-value pairs.
B) There will be r files, each with approximately k/m key-value pairs.
C) There will be m files, each with exactly k/m key value pairs.
D) There will be r files, each with approximately k/r key-value pairs.
E) There will be m files, each with approximately k/m key-value pairs.
2. You need a distributed, scalable, data Store that allows you random, realtime read/write access to hundreds of terabytes of data. Which of the following would you use?
A) Hue
B) HBase
C) Oozie
D) Pig
E) Sqoop
F) Flume
G) Hive
3. Which of the following statements most accurately describes the relationship between MapReduce and Pig?
A) Pig programs rely on MapReduce but are extensible, allowing developers to do special-purpose processing not provided by MapReduce.
B) Pig provides additional capabilities that allow certain types of data manipulation not possible with MapReduce.
C) Pig provides no additional capabilities to MapReduce. Pig programs are executed as MapReduce jobs via the Pig interpreter.
D) Pig provides the additional capability of allowing you to control the flow of multiple MapReduce jobs.
4. Does the MapReduce programming model provide a way for reducers to communicate with each other?
A) Yes, reducers running on the same machine can communicate with each other through shared memory, but not reducers on different machines.
B) Yes, reducers can communicate with each other by dispatching intermediate key value pairs that get shuffled to another reduce
C) No, each reducer runs independently and in isolation.
D) Yes, all reducers can communicate with each other by passing information through the jobconf object.
5. In the reducer, the MapReduce API provides you with an iterator over Writable values. Calling the next () method:
A) Returns a reference to the same writable object if the next value is the same as the previous value, or a new writable object otherwise.
B) Returns a reference to a Writable object. The API leaves unspecified whether this is a reused object or a new object.
C) Returns a reference to a different Writable object each time.
D) Returns a reference to the same writable object each time, but populated with different data.
E) Returns a reference to a Writable object from an object pool.
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: B | Question # 3 Answer: D | Question # 4 Answer: C | Question # 5 Answer: D |
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