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Hortonworks Certified Apache Hadoop 2.0 Developer (Pig and Hive Developer) Exam Dumps

Hadoop-PR000007 Exam Format | Course Contents | Course Outline | Exam Syllabus | Exam Objectives

Exam Details for Hadoop-PR000007 Hortonworks Certified Apache Hadoop 2.0 Developer (Pig and Hive Developer):

Number of Questions: The Hadoop-PR000007 exam typically consists of 50-60 multiple-choice questions.

Time Limit: The exam has a time limit of 2 hours (120 minutes).

Course Outline:
The Hadoop-PR000007 certification exam focuses on assessing the knowledge and skills required to develop and work with Apache Hadoop 2.0, specifically focusing on Pig and Hive for data processing and analytics. The course outline covers the following key topics:

1. Introduction to Apache Hadoop:
- Overview of Hadoop ecosystem and its components
- Hadoop architecture and distributed file system (HDFS)
- MapReduce and YARN frameworks
- Hadoop cluster setup and configuration

2. Apache Pig:
- Introduction to Pig and Pig Latin scripting language
- Loading and storing data using Pig
- Transforming and manipulating data using Pig Latin operations
- User-defined functions (UDFs) in Pig
- Pig optimization techniques and performance tuning

3. Apache Hive:
- Introduction to Hive and HiveQL query language
- Creating and managing tables in Hive
- Data manipulation and querying with HiveQL
- Partitioning and bucketing in Hive
- Hive optimization techniques and performance tuning

4. Data Processing with Pig and Hive:
- Integrating Pig and Hive with Hadoop ecosystem components
- Using Pig and Hive for data transformations and analytics
- Joining and aggregating data in Pig and Hive
- Handling complex data types and nested structures
- Debugging and troubleshooting Pig and Hive scripts

Exam Objectives:
The Hadoop-PR000007 exam aims to assess the following objectives:

1. Understanding of Apache Hadoop architecture and its key components.
2. Proficiency in using Pig for data loading, transformation, and analysis.
3. Knowledge of Hive and its capabilities for data querying and management.
4. Competence in integrating Pig and Hive with other Hadoop ecosystem components.
5. Familiarity with performance optimization and debugging techniques in Pig and Hive.

Exam Syllabus:
The Hadoop-PR000007 exam covers the following syllabus:

1. Introduction to Apache Hadoop
- Overview of Hadoop ecosystem and its components
- Hadoop architecture and distributed file system (HDFS)
- MapReduce and YARN frameworks
- Hadoop cluster setup and configuration

2. Apache Pig
- Introduction to Pig and Pig Latin scripting language
- Loading and storing data using Pig
- Transforming and manipulating data using Pig Latin operations
- User-defined functions (UDFs) in Pig
- Pig optimization techniques and performance tuning

3. Apache Hive
- Introduction to Hive and HiveQL query language
- Creating and managing tables in Hive
- Data manipulation and querying with HiveQL
- Partitioning and bucketing in Hive
- Hive optimization techniques and performance tuning

4. Data Processing with Pig and Hive
- Integrating Pig and Hive with Hadoop ecosystem components
- Using Pig and Hive for data transformations and analytics
- Joining and aggregating data in Pig and Hive
- Handling complex data types and nested structures
- Debugging and troubleshooting Pig and Hive scripts

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Hadoop-PR000007 PDF Sample Questions

Hadoop-PR000007 Sample Questions

Hortonworks
Hadoop-PR000007
Hortonworks Certified Apache Hadoop 2.0 Developer
(Pig and Hive Developer)
https://killexams.com/pass4sure/exam-detail/Hadoop-PR000007
QUESTION: 99
Which one of the following statements is FALSE regarding the communication between
DataNodes and a federation of NameNodes in Hadoop 2.0?
A. Each DataNode receives commands from one designated master NameNode.
B. DataNodes send periodic heartbeats to all the NameNodes.
C. Each DataNode registers with all the NameNodes.
D. DataNodes send periodic block reports to all the NameNodes.
Answer: A
QUESTION: 100
A client application creates an HDFS file named foo.txt with a replication factor of 3.
Identify which best describes the file access rules in HDFS if the file has a single block
that is stored on data nodes A, B and C?
A. The file will be marked as corrupted if data node B fails during the creation of the
file.
B. Each data node locks the local file to prohibit concurrent readers and writers of the
file.
C. Each data node stores a copy of the file in the local file system with the same name as
the HDFS file.
D. The file can be accessed if at least one of the data nodes storing the file is available.
Answer: D
QUESTION: 101
Examine the following Hive statements:
Assuming the statements above execute successfully, which one of the following
statements is true?
A. Each reducer generates a file sorted by age
B. The SORT BY command causes only one reducer to be used
C. The output of each reducer is only the age column
D. The output is guaranteed to be a single file with all the data sorted by age
Answer: A
QUESTION: 102
When can a reduce class also serve as a combiner without affecting the output of a
MapReduce program?
A. When the types of the reduce operation�s input key and input value match the types
of the reducer�s output key and output value and when the reduce operation is both
communicative and associative.
B. When the signature of the reduce method matches the signature of the combine
method.
C. Always. Code can be reused in Java since it is a polymorphic object-oriented
programming language.
D. Always. The point of a combiner is to serve as a mini-reducer directly after the map
phase to increase performance.
E. Never. Combiners and reducers must be implemented separately because they serve
different purposes.
Answer: A
QUESTION: 103
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 the hadoop command with the �jt local and the �fs file:///options.
C. Run the DataNode, TaskTracker, NameNode and JobTracker daemons on a single
machine.
D. Run simldooop, the Apache open-source software for simulating Hadoop clusters.
Answer: C
QUESTION: 104
Which one of the following files is required in every Oozie Workflow application?
A. job.properties
B. Config-default.xml
C. Workflow.xml
D. Oozie.xml
Answer: C
QUESTION: 105
Workflows expressed in Oozie can contain:
A. Sequences of MapReduce and Pig. These sequences can be combined with other
actions including forks, decision points, and path joins.
B. Sequences of MapReduce job only; on Pig on Hive tasks or jobs. These MapReduce
sequences can be combined with forks and path joins.
C. Sequences of MapReduce and Pig jobs. These are limited to linear sequences of
actions with exception handlers but no forks.
D. Iterntive repetition of MapReduce jobs until a desired answer or state is reached.
Answer: A
QUESTION: 106
Which best describes what the map method accepts and emits?
A. It accepts a single key-value pair as input and emits a single key and list of
corresponding values as output.
B. It accepts a single key-value pairs as input and can emit only one key-value pair as
output.
C. It accepts a list key-value pairs as input and can emit only one key-value pair as
output.
D. It accepts a single key-value pairs as input and can emit any number of key-value pair
as output, including zero.
Answer: D
QUESTION: 107
Which HDFS command copies an HDFS file named foo to the local filesystem as
localFoo?
A. hadoop fs -get foo LocalFoo
B. hadoop -cp foo LocalFoo
C. hadoop fs -Is foo
D. hadoop fs -put foo LocalFoo
Answer: A
QUESTION: 108
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. Flume
C. Pig
D. Hue
E. Hive
F. Sqoop
G. fuse-dfs
Answer: F
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Hadoop-PR000007 (Pig Latest Questions

Hadoop-PR000007 (Pig Latest Questions :: Article Creator

32 Reference determine Questions be sure to Ask

Employers habits reference tests by means of contacting a job candidate’s expert and private connections. The goal is to more suitable have in mind the candidate’s expertise, skills and demeanor.

Your reference examine questions should still determine no matter if a candidate would slot in at your enterprise. They can not pertain to your candidate’s personal advice.

Your business should improve a technique to be certain consistency among all reference assessments and determine which questions to ask references.

this article is for company owners and hiring managers who are planning to habits reference exams for prospective employees.

A job candidate may also ace the interview, but that doesn’t all the time make them a perfect employ. you can more desirable be aware an applicant’s compatibility along with your business by using checking their references, certainly in case you ask the correct questions. We’ll share 32 reference examine questions that focal point on a candidate’s efficiency and what it turned into like to manipulate and work alongside them. These questions can assist make certain a a success employ and a positive new group member.

what's a reference assess?

A reference determine is when an employer reaches out to people who can shed mild on a job candidate’s strengths and speak to their qualifications. These contacts are usually previous employers but also may additionally encompass university professors, longtime colleagues and other americans widely wide-spread with the applicant’s work.

As an organisation, you might also discover that reference checks support paint a full photo of a possible rent. unfortunately, americans lie on their resumes every so often and current qualifications they don’t truly possess. if you ask your applicant’s professional references the right questions, you’ll be trained more about the candidate’s competencies and skills than you would from a standard job interview on my own.

Reference verify dreams consist of here:

ascertain the written or verbal information the talents employee offered.

be taught concerning the candidate’s advantage and strengths from somebody apart from the candidate.

accumulate tips in regards to the applicant’s job performance in past roles to predict their success at your company.

With all of this assistance, you should definitely have an easier time settling on which candidates to circulation forward within the hiring procedure.

Reference exams can help you evade hiring horror experiences and expensive personnel and administration complications.

What suggestions for those who ask a reference?

When establishing your listing of reference investigate questions, be sure you investigate the assistance you need to verify in regards to the job candidate. You can be interested in the references’ insights concerning the candidate on these topics:

Job performance

capability to take into account and comply with directions

means to work well as a part of a team

requirements for workplace behavior and ethics

interests, specialties and demeanor

ability to supply instructions and make sure that subordinates follow them (if they’re applying for a leadership role)

anything else that stands out on the candidate’s resume or emerged all the way through their job interview

Some of these themes are greater acceptable to check with skilled references; others can be more correct to ask personal references. for example, a former supervisor can speak to how well a candidate operates as a part of a crew, whereas an in depth pal or mentor can describe the candidate’s pastimes, specialties and demeanor.

just as there are particular questions be sure to in no way ask a job candidate, there are questions you can’t ask a reference. You must best ask questions that pertain to the job; inappropriate questions can subject your business to discrimination claims.

accept as true with right here challenging questions you'll want to under no circumstances ask references:

the rest concerning demographics or own advice: Don’t ask about a candidate’s sexuality, age, religion or identical matters.

the rest involving very own health: Don’t ask about a candidate’s medical historical past or the existence of disabilities. that you can ask no matter if the candidate is capable of performing the tasks the job requires.

the rest involving credit score rankings: although that you could request a credit score score from a job applicant, the fair credit score Reporting Act bars you from asking references about an applicant’s credit rating.

the rest related to family unit: Don’t ask whether a candidate has (or plans to have) infants or a spouse. in case you worry that a job applicant with a family unit could no longer have ample time for the job, ask references in the event that they feel the job’s time calls for will suit the candidate.

Gathering references is an important step to ensuring you're making the choicest hiring selections in your vacant positions. check out these other counsel for hiring the most effective employees to build your crew as conveniently as possible.

32 reference determine questions to ask

Now that you just understand what assistance to request from a reference, you’re able to strengthen your checklist of reference determine questions. under are 32 commonplace reference assess inquiries to use. You may also feel some don’t observe to your company, however you should definitely communicate together with your hiring manager before putting off any questions.

Introductory reference determine questions

Is there any tips you and/or your enterprise are unwilling or unable to give me concerning the candidate?

if you can’t share any counsel with me, are you able to join me with any former personnel who labored carefully with the candidate?

can you ascertain the candidate’s employment beginning and conclusion dates, profits and job title?

what is your relationship to the candidate, and how did you first meet?

Reference assess questions for getting to understand the reference

for the way lengthy have you ever labored at your company?

for a way lengthy have you ever had your existing job title?

for how lengthy did you're employed with the candidate, and in what capacities?

can you suppose of any causes I may still be talking with a different reference as an alternative of your self?

performance-linked reference examine questions

What positions did the candidate have whereas at your business?

In what roles did the candidate start and end?

What did these roles entail?

What were essentially the most difficult constituents of the candidate’s roles at your enterprise?

How did the candidate face these challenges and other limitations?

What are the candidate’s expert strengths, and the way did they benefit your company?

In what areas does the candidate want development?

Do you believe the candidate is certified for this job, and why or why no longer?

Reference investigate questions to ask managers

for the way lengthy did you at once or indirectly control the candidate?

In what approaches become managing the candidate convenient, and in what approaches became it challenging?

How did the candidate grow during their time working under you?

What assistance do you have for managing this candidate?

Reference check inquiries to ask personnel who said to your candidate

for the way long did the candidate manipulate you, and in what means?

What did you adore most and least about the candidate’s administration trend?

How did the candidate’s management style aid you develop and be trained?

How might the candidate have enhanced managed you and your co-laborers?

Reference investigate questions to ask co-worker's

for the way lengthy were you among the many candidate’s colleagues, and in what capability?

What did you like most and least about working with the candidate?

How did you grow and learn while working with the candidate?

How did the candidate help you and your different colleagues?

In what techniques might the candidate had been a stronger co-worker to you and your colleagues?

Reference investigate questions about ethics and conduct

Why did the candidate depart your enterprise?

Did this candidate’s behavior lead to any office conflicts or situations of questionable ethics?

If the possibility arose, would you be inclined and/or able to rehire the candidate, and why or why not?

simply as which you can communicate together with your hiring manager about potentially disposing of certain questions from this checklist, you can talk about including other questions. provided that any additional questions shed mild on how your candidate would function right through employment along with your company and you don’t ask for private information, there’s a superb chance you’re asking the correct questions.

Some candidates could need extra scrutiny than others. Some employers behavior background checks to determine job candidates and their credentials.

the way to conduct a reference examine

if you decide to examine references for new hires, enforce a proper technique at your company. this will streamline the method of acquiring your candidates’ references. From start to conclude, your hiring team should still follow these steps to conduct a thorough reference assess:

make a decision what number of references to reap from every applicant. Two or three may still suffice.

encompass a bit for references in every job software. Ask candidates to consist of their references’ full names, telephone numbers, e mail addresses and relationship to the candidate.

Get permission to contact the reference. consist of a clause on your job utility that the applicant signs to give you permission to contact their references. make sure you additionally email a reference to get their permission to ask them questions in regards to the candidate.

decide no matter if you’ll habits your reference checks via phone or e-mail. while sending questions by using electronic mail will shop your enterprise time — notably when you've got a common checklist of questions you ship to all references — verbal exams by way of phone or video chat, or even in-grownup meetings, can offer you a clearer knowing of a candidate.

increase a listing of reference verify questions. consider the record above to examine skills questions.

watch out for pink flags. not each candidate is totally fair on their resume, so do your research before contacting a reference.

establish a standard be aware-taking method. Don’t predict to bear in mind every single issue you mentioned all over a reference examine. Work together with your hiring group to strengthen a notice-taking layout and process the complete team can remember and use.

If an service provider discovers that a job candidate misrepresented their skills or lied on their resume, they can rescind the job offer.

Reference checks aid employers make respectable hiring selections

Reference checks provide you with a chance to fill gaps that come up whilst you’re getting to know a candidate all over the interview procedure. speakme to an applicant’s own references can inform you in the event that they’re the correct healthy and help you stay away from a expensive dangerous employ. with the aid of enabling you to find the candidate’s administration trend or deciding upon how they’ll respond beneath force, reference checks can let you know lots greater than an interview by myself.

when you’ve carried out reference exams on your entire job candidates, remember to have the entire counsel you need to decide which one is top-quality for the job and reach out with a formal job present letter. If the candidate accepts, congratulate them and yourself — and start your onboarding process.

Natalie Hamingson contributed to this text.

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Hortonworks Certified Apache Hadoop 2.0 Developer (Pig and Hive Developer) Exam Dumps

Hadoop-PR000007 Exam Format | Course Contents | Course Outline | Exam Syllabus | Exam Objectives

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Hadoop-PR000007 (Pig Latest Questions

32 Reference determine Questions be sure to Ask

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