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Hortonworks HADOOP-PR000007 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Hadoop Fundamentals & HDFS | 20% | - Hadoop 2.0 architecture & YARN - HDFS file operations, permissions, and data management |
| Topic 2: Apache Pig Development | 40% | - Pig Latin syntax, data loading, and storage - Data transformation, filtering, grouping, and joining - User-defined functions (UDFs) and optimization - Integration with HCatalog and Hive |
| Topic 3: Apache Hive Development | 35% | - Performance tuning and indexing - HiveQL queries, joins, aggregations, and partitioning - Data types, serialization, and file formats - Hive architecture, metastore, and table management |
| Topic 4: Data Ingestion & Ecosystem Integration | 5% | - Workflow orchestration with Oozie - Sqoop and Flume usage basics |
Hortonworks-Certified-Apache-Hadoop-2.0-Developer(Pig and Hive Developer) Sample Questions:
1. Your cluster's HDFS block size in 64MB. You have directory containing 100 plain text files, each of which
is 100MB in size. The InputFormat for your job is TextInputFormat. Determine how many Mappers will
run?
A) 640
B) 200
C) 64
D) 100
2. You use the hadoop fs -put command to write a 300 MB file using and HDFS block size of 64 MB. Just
after this command has finished writing 200 MB of this file, what would another user see when trying to
access this life?
A) They would see Hadoop throw an ConcurrentFileAccessException when they try to access this file.
B) They would see the current state of the file, up to the last bit written by the command.
C) They would see no content until the whole file written and closed.
D) They would see the current of the file through the last completed block.
3. Which project gives you a distributed, Scalable, data store that allows you random, realtime read/write
access to hundreds of terabytes of data?
A) Sqoop
B) Flume
C) Pig
D) Oozie
E) HBase
F) Hive
G) Hue
4. Which one of the following statements describes a Pig bag. tuple, and map, respectively?
A) Ordered collection of maps, ordered collection of bags, and unordered set of key/value pairs
B) Ordered set of fields, ordered collection of tuples, ordered collection of maps
C) Unordered collection of maps, ordered collection of tuples, ordered set of key/value pairs
D) Unordered collection of tuples, ordered set of fields, set of key value pairs
5. 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 into Hive's underlying relational database 0.
D) The file mydata.txt is copied to a subfolder of /apps/hive/warehouse
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: D | Question # 3 Answer: E | Question # 4 Answer: D | Question # 5 Answer: D |
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