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Hortonworks Apache-Hadoop-Developer Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Apache Hive Development | 25% | - Use Hive functions, views, and metastore - Create and manage Hive tables, partitions, and buckets - Write and optimize HiveQL queries |
| Data Ingestion | 25% | - Import/export data using Sqoop - Ingest streaming data with Flume - Load data into HDFS from external sources |
| Apache Pig Development | 30% | - Write and optimize Pig Latin scripts - Debug and tune Pig jobs - Data transformation, filtering, joining, and aggregation |
| Hadoop Fundamentals & Architecture | 20% | - MapReduce concepts and job lifecycle - HDFS operations and file management - YARN architecture and job execution |
Hortonworks Hadoop 2.0 Certification exam for Pig and Hive Developer Sample Questions:
1. Which one of the following statements describes the relationship between the ResourceManager and the ApplicationMaster?
A) The ApplicationMaster requests resources from the ResourceManager
B) The ResourceManager monitors and restarts any failed Containers of the ApplicationMaster
C) The ApplicationMaster starts a single instance of the ResourceManager
D) The ApplicationMaster starts an instance of the ResourceManager within each Container
2. What does Pig provide to the overall Hadoop solution?
A) Legacy language Integration with MapReduce framework
B) Simple scripting language for writing MapReduce programs
C) C++ interface to MapReduce and data warehouse infrastructure
D) Database table and storage management services
3. To process input key-value pairs, your mapper needs to lead a 512 MB data file in memory. What is the best way to accomplish this?
A) Place the data file in the DataCache and read the data into memory in the configure method of the mapper.
B) Serialize the data file, insert in it the JobConf object, and read the data into memory in the configure method of the mapper.
C) Place the data file in the DistributedCache and read the data into memory in the map method of the mapper.
D) Place the data file in the DistributedCache and read the data into memory in the configure method of the mapper.
4. Identify the MapReduce v2 (MRv2 / YARN) daemon responsible for launching application containers and monitoring application resource usage?
A) ApplicationMaster
B) JobTracker
C) TaskTracker
D) NodeManager
E) ApplicationMasterService
F) ResourceManager
5. Which two of the following are true about this trivial Pig program' (choose Two)
A) Pig assumes the contents of myfile are comma delimited
B) The contents of myfile appear on stdout
C) ABC has a schema associated with it
D) myfile is read from the user's home directory in HDFS
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: B | Question # 3 Answer: A | Question # 4 Answer: D | Question # 5 Answer: B,D |
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