Have you been many years at your position but haven't got a promotion? Or are you a new comer in your company and eager to make yourself outstanding? Our Apache-Hadoop-Developer exam materials can help you. After a few days' studying and practicing with our products you will easily pass the examination. God helps those who help themselves. If you choose our study materials, you will find God just by your side. The only thing you have to do is just to make your choice and study. Isn't it very easy? So know more about our Apache-Hadoop-Developer study guide right now!

DOWNLOAD DEMO

Different Formats

Our Apache-Hadoop-Developer study guide has three formats which can meet your different needs, PDF version, software version and online version. If you choose the PDF version, you can download our study material and print it for studying everywhere. If a new version comes out, we will send you a new link to your E-mail box and you can download it again. With our software version of Apache-Hadoop-Developer exam material, you can practice in an environment just like the real examination. You can install the study material test engine to different computers as long as the computer is in Windows system. If you think these two formats of Apache-Hadoop-Developer study guide are not suitable for you, you will certainly be satisfied with our online version. It is more convenient for you to study and practice anytime, anywhere. All you need is an internet explorer. This means you can practice for the Apache-Hadoop-Developer exam with your I-pad or smart-phone. Isn't it wonderful?

Quick Delivery and Privacy Protection

After you pay for our Apache-Hadoop-Developer exam material online, you will get the link to download it in only 5 to 10 minutes. You don't have to wait a long time to start your preparation for the exam. The only thing you must make sure is that you have left your right E-mail address when you purchase our products. Moreover, you don't need to worry about safety in buying our Apache-Hadoop-Developer exam materials. First, our products are free from computer virus. You can download or install our study material without hesitation. Second, we will protect your private information. No other person or company will get your information from us. You won't get any telephone harassment or receiving junk E-mails after purchasing our Apache-Hadoop-Developer study guide. If we have a new version of your study material, we will send an E-mail to you. Whenever you have questions about our study material, you are welcome to contact us via E-mail. We sincerely offer you 24/7 online service.

High Pass Rate

The experts in our company have been focusing on the Apache-Hadoop-Developer examination for a long time and they never overlook any new knowledge. The content of our study materials has always been kept up to date. Don't worry if any new information comes out after your purchase of our Apache-Hadoop-Developer study guide. We will inform you by E-mail when we have a new version. With our great efforts, our study materials have been narrowed down and targeted to the examination. So you don't need to worry about wasting your time on useless Apache-Hadoop-Developer exam materials information. We can ensure you a pass rate as high as 99%. If you don't pass the {CorpCode} exam, you will get a refund. But this is the worst thing you can imagine. You surely desire the certification. So with a tool as good as our Apache-Hadoop-Developer exam material, why not study and practice for just 20 to 30 hours and then pass the examination?

Hortonworks Hadoop 2.0 Certification exam for Pig and Hive Developer Sample Questions:

1. In a large MapReduce job with m mappers and n reducers, how many distinct copy
operations will there be in the sort/shuffle phase?

A) m
B) mn (i.e., m to the power of n)
C) m+n (i.e., m plus n)
D) n
E) mXn (i.e., m multiplied by n)

2. You want to run Hadoop jobs on your development workstation for testing before you submit them to your production cluster. Which mode of operation in Hadoop allows you to most closely simulate a production cluster while using a single machine?

A) Run all the nodes in your production cluster as virtual machines on your development workstation.
B) Run simldooop, the Apache open-source software for simulating Hadoop clusters.
C) Run the DataNode, TaskTracker, NameNode and JobTracker daemons on a single machine.
D) Run the hadoop command with the -jt local and the -fs file:///options.

3. You've written a MapReduce job that will process 500 million input records and generated 500 million key-value pairs. The data is not uniformly distributed. Your MapReduce job will create a significant amount of intermediate data that it needs to transfer between mappers and reduces which is a potential bottleneck. A custom implementation of which interface is most likely to reduce the amount of intermediate data transferred across the network?

A) WritableComparable
B) Writable
C) InputFormat
D) Partitioner
E) OutputFormat
F) Combiner

4. A combiner reduces:

A) The number of output files a reducer must produce.
B) The number of input files a mapper must process.
C) The number of values across different keys in the iterator supplied to a single reduce method call.
D) The amount of intermediate data that must be transferred between the mapper and reducer.

5. 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) Invokes the user-defined functions contained in the jar file
C) Transforms Pig user-defined functions into a format that Hive can accept
D) Assigns a name to a user-defined function or streaming command

Solutions: