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Hortonworks Apache-Hadoop-Developer Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Apache Pig Development | 30% | - Write and optimize Pig Latin scripts - Debug and tune Pig jobs - Data transformation, filtering, joining, and aggregation |
| Topic 2: Apache Hive Development | 25% | - Create and manage Hive tables, partitions, and buckets - Write and optimize HiveQL queries - Use Hive functions, views, and metastore |
| Topic 3: Data Ingestion | 25% | - Load data into HDFS from external sources - Ingest streaming data with Flume - Import/export data using Sqoop |
| Topic 4: Hadoop Fundamentals & Architecture | 20% | - HDFS operations and file management - YARN architecture and job execution - MapReduce concepts and job lifecycle |
Hortonworks Hadoop 2.0 Certification exam for Pig and Hive Developer Sample Questions:
1. You want to Ingest log files Into HDFS, which tool would you use?
A) Sqoop
B) Ambari
C) Flume
D) HCatalog
2. Identify the tool best suited to import a portion of a relational database every day as files into HDFS, and generate Java classes to interact with that imported data?
A) Oozie
B) fuse-dfs
C) Sqoop
D) Pig
E) Flume
F) Hue
G) Hive
3. Which HDFS command copies an HDFS file named foo to the local filesystem as localFoo?
A) hadoop -cp foo LocalFoo
B) hadoop fs -put foo LocalFoo
C) hadoop fs -get foo LocalFoo
D) hadoop fs -Is foo
4. Which Hadoop component is responsible for managing the distributed file system metadata?
A) DataNode
B) Metanode
C) NameSpaceManager
D) NameNode
5. What types of algorithms are difficult to express in MapReduce v1 (MRv1)?
A) Large-scale graph algorithms that require one-step link traversal.
B) Algorithms that require applying the same mathematical function to large numbers of individual binary records.
C) Algorithms that require global, sharing states.
D) Text analysis algorithms on large collections of unstructured text (e.g, Web crawls).
E) Relational operations on large amounts of structured and semi-structured data.
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: C | Question # 3 Answer: C | Question # 4 Answer: D | Question # 5 Answer: C |
