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| Certification Vendor: | Hortonworks |
| Exam Name: | Hortonworks-Certified-Apache-Hadoop-2.0-Developer (Pig and Hive Developer) |
| Exam Number: | HADOOP-PR000007 |
| Exam Format: | Performance-based tasks, Multiple choice questions |
| Related Certifications: | HDP Certified Developer HDP Certified Associate HDP Certified Administrator |
| Real Exam Qty: | 104-110 |
| Exam Duration: | 120 minutes |
| Available Languages: | English |
| Sample Questions: | Hortonworks HADOOP-PR000007 Sample Questions |
| Exam Way: | Online proctored / onsite |
| Pre Condition: | Familiarity with Hadoop ecosystem and development tools. |
| Section | Objectives |
|---|---|
| Hive Development | - Hive optimization and execution - Hive table definitions and queries |
| Pig Development | - Pig Latin scripting - Pig data types and UDFs |
| Hadoop Core Concepts | - HDFS architecture and commands - YARN and MapReduce fundamentals |
| Hadoop Ecosystem Tools | - Workflow and processing frameworks - Sqoop and data ingestion |
1. Examine the following Pig commands:
Which one of the following statements is true?
A) A random sample of approximately 20% of the data will be output
B) The SAMPLE command generates an "unexpected symbol" error
C) The reducers will only output the first 20% of the data passed from the mappers
D) Each MapReduce task will terminate after executing for 0.2 minutes
2. Which one of the following classes would a Pig command use to store data in a table defined in
HCatalog?
A) No special class is needed for a Pig script to store data in an HCatalog table
B) Pig scripts cannot use an HCatalog table
C) org.apache.hcatalog.pig.HCatStorer
D) org.apache.hcatalog.pig.HCatOutputFormat
3. Indentify which best defines a SequenceFile?
A) A SequenceFile contains a binary encoding of an arbitrary number of WritableComparable objects, in
sorted order.
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 key-value pairs. Each key must be
the same type. Each value must be the same type.
4. 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 configure method of
the mapper.
D) Place the data file in the DistributedCache and read the data into memory in the map method of the
mapper.
5. Which HDFS command displays the contents of the file x in the user's HDFS home directory?
A) hadoop fs -cp x
B) hadoop fs -cat x
C) hdfs fs -get x
D) hadoop fs -Is x
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: C | Question # 3 Answer: D | Question # 4 Answer: A | Question # 5 Answer: B |
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