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Hortonworks Apache-Hadoop-Developer Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Data Ingestion | 25% | - Ingest streaming data with Flume - Import/export data using Sqoop - Load data into HDFS from external sources |
| Topic 2: Apache Pig Development | 30% | - Write and optimize Pig Latin scripts - Debug and tune Pig jobs - Data transformation, filtering, joining, and aggregation |
| Topic 3: Apache Hive Development | 25% | - Write and optimize HiveQL queries - Create and manage Hive tables, partitions, and buckets - Use Hive functions, views, and metastore |
| Topic 4: Hadoop Fundamentals & Architecture | 20% | - MapReduce concepts and job lifecycle - YARN architecture and job execution - HDFS operations and file management |
Hortonworks Hadoop 2.0 Certification exam for Pig and Hive Developer Sample Questions:
1. Given the following Hive commands:
Which one of the following statements Is true?
A) The file mydata.txt does not move from Its current location in HDFS
B) The file mydata.txt is moved to a subfolder of /apps/hive/warehouse
C) The file mydata.txt is copied to a subfolder of /apps/hive/warehouse
D) The file mydata.txt is copied into Hive's underlying relational database 0.
2. What are the TWO main components of the YARN ResourceManager process? Choose 2 answers
A) Applications Manager
B) Job Tracker
C) Scheduler
D) Task Tracker
3. Which Hadoop component is responsible for managing the distributed file system metadata?
A) Metanode
B) DataNode
C) NameSpaceManager
D) NameNode
4. In a large MapReduce job with m mappers and n reducers, how many distinct copy
operations will there be in the sort/shuffle phase?
A) mXn (i.e., m multiplied by n)
B) n
C) m+n (i.e., m plus n)
D) m
E) mn (i.e., m to the power of n)
5. MapReduce v2 (MRv2/YARN) splits which major functions of the JobTracker into separate
daemons? Select two.
A) Heath states checks (heartbeats)
B) Launching tasks
C) Managing file system metadata
D) Job coordination between the ResourceManager and NodeManager
E) MapReduce metric reporting
F) Job scheduling/monitoring
G) Resource management
H) Managing tasks
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: A,C | Question # 3 Answer: D | Question # 4 Answer: A | Question # 5 Answer: F,G |
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