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Hortonworks Apache-Hadoop-Developer Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Hadoop Fundamentals & Architecture | 20% | - YARN architecture and job execution - HDFS operations and file management - MapReduce concepts and job lifecycle |
| Data Ingestion | 25% | - Import/export data using Sqoop - Ingest streaming data with Flume - Load data into HDFS from external sources |
| Apache Pig Development | 30% | - Debug and tune Pig jobs - Data transformation, filtering, joining, and aggregation - Write and optimize Pig Latin scripts |
| Apache Hive Development | 25% | - Create and manage Hive tables, partitions, and buckets - Write and optimize HiveQL queries - Use Hive functions, views, and metastore |
Hortonworks Hadoop 2.0 Certification exam for Pig and Hive Developer Sample Questions:
1. A NameNode in Hadoop 2.0 manages ______________.
A) An arbitrary number of namespaces
B) A single namespace
C) No namespaces
D) Two namespaces: an active namespace and a backup namespace
2. What does the following command do?
register '/piggyban):/pig-files.jar';
A) Specifies the location of the JAR file containing the user-defined functions
B) Assigns a name to a user-defined function or streaming command
C) Transforms Pig user-defined functions into a format that Hive can accept
D) Invokes the user-defined functions contained in the jar file
3. Which of the following tool was designed to import data from a relational database into HDFS?
A) Sqoop
B) Flume
C) Ambari
D) HCatalog
4. What does the following WebHDFS command do?
Curl -1 -L "http://host:port/webhdfs/v1/foo/bar?op=OPEN"
A) List a directory /foo
B) Read a file /foo/bar
C) Make a directory /foo/bar
D) Delete a directory /foo/bar
5. What is a SequenceFile?
A) A SequenceFile contains a binary encoding of an arbitrary number key-value pairs. Each key must be the same type. Each value must be same type.
B) A SequenceFile contains a binary encoding of an arbitrary number of heterogeneous writable objects.
C) A SequenceFile contains a binary encoding of an arbitrary number of homogeneous writable objects.
D) A SequenceFile contains a binary encoding of an arbitrary number of WritableComparable objects, in sorted order.
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: A | Question # 3 Answer: A | Question # 4 Answer: B | Question # 5 Answer: A |
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