On what concept the Hadoop framework works?

On what concept the Hadoop framework works?
by

1 Answer

Answer :

Learn Hadoop Online Training to build your big data analytics and data processing file system skills today. Become familiar with Hadoop cluster, Hadoop distributed file system, Hadoop map reduce, etc. Learn about Map Reduce, PIG, Apache Hive, HDFS, Java, Sqoop, Apache Spark, Flume, and more to become a data science expert.What is Hadoop Architecture?Hadoop architecture is computer software used to process data. Hadoop is open-source software, freely available for anyone to use, that can be scaled for use with small datasets on only a few computers to massive ones using large clusters of computers. The beauty of Hadoop is that it is designed to recognize and account for hardware failures. It adjusts processing load to available resources, reducing downtime.The Hadoop software library is dev
by

Related questions

The Hadoop MapReduce framework spawns one map task for each __________ generated by the InputFormat for the job. a) OutputSplit b) InputSplit c) InputSplitStream d) All of the mentioned

Description : The Hadoop MapReduce framework spawns one map task for each __________ generated by the InputFormat for the job. a) OutputSplit b) InputSplit c) InputSplitStream d) All of the mentioned

Last Answer : ) InputSplit

Point out the correct statement. a) Hadoop is an ideal environment for extracting and transforming small volumes of data b) Hadoop stores data in HDFS and supports data compression/decompression c) The Giraph framework is less useful than a MapReduce job to solve graph and machine learning d) None of the mentioned

Description : Point out the correct statement. a) Hadoop is an ideal environment for extracting and transforming small volumes of data b) Hadoop stores data in HDFS and supports data compression/decompression c) The ... less useful than a MapReduce job to solve graph and machine learning d) None of the mentioned

Last Answer : Hadoop stores data in HDFS and supports data compression/decompression

Which of the following is built on top of a Hadoop framework using the Elastic Compute Cloud? a) Amazon Elastic MapReduce b) Amazon Mechanical Turkc) Amazon DevPay d) Multi-Factor Authentication

Description : Which of the following is built on top of a Hadoop framework using the Elastic Compute Cloud? a) Amazon Elastic MapReduce b) Amazon Mechanical Turkc) Amazon DevPay d) Multi-Factor Authentication

Last Answer : Amazon Elastic MapReduce

Point out the correct statement. a) Hadoop is an ideal environment for extracting and transforming small volumes of data b) Hadoop stores data in HDFS and supports data compression/decompression c) The Giraph framework is less useful than a MapReduce job to solve graph and machine learning d) None of the mentioned

Description : Point out the correct statement. a) Hadoop is an ideal environment for extracting and transforming small volumes of data b) Hadoop stores data in HDFS and supports data compression/decompression c) The ... useful than a MapReduce job to solve graph and machine learning d) None of the mentioned

Last Answer : Hadoop stores data in HDFS and supports data compression/decompression

Point out the correct statement. a) Hadoop is an ideal environment for extracting and transforming small volumes of data b) Hadoop stores data in HDFS and supports data compression/decompression c) The Giraph framework is less useful than a MapReduce job to solve graph and machine learning d) None of the mentioned

Description : Point out the correct statement. a) Hadoop is an ideal environment for extracting and transforming small volumes of data b) Hadoop stores data in HDFS and supports data compression/decompression c) The ... useful than a MapReduce job to solve graph and machine learning d) None of the mentioned

Last Answer : Hadoop stores data in HDFS and supports data compression/decompression

Which one of the following statements is false regarding the Distributed Cache? a) The Hadoop framework will ensure that any files in the Distributed Cache are distributed to all map and reduce tasks. b) The files in the cache can be text files, or they can be archive files like zip and JAR files. c) Disk I/O is avoided because data in the cache is stored in memory. d) The Hadoop framework will copy the files in the Distributed Cache on to the slave node before any tasks for the job are executed on that node.

Description : Which one of the following statements is false regarding the Distributed Cache? a) The Hadoop framework will ensure that any files in the Distributed Cache are distributed to all map and reduce tasks. b) ... Cache on to the slave node before any tasks for the job are executed on that node.

Last Answer : MapReduce tries to place the data and the compute as close as possible

The auditor's judgment concerning the overall fairness of presentation of financial position, results of operation, and changes in cash flow is applied within the framework of a. Generally accepted auditing standards which include the concept of materiality b. Generally accepted accounting principles. c. Philippine Financial Reporting Standards d. Quality control

Description : The auditor's judgment concerning the overall fairness of presentation of financial position, results of operation, and changes in cash flow is applied within the framework of a. ... b. Generally accepted accounting principles. c. Philippine Financial Reporting Standards d. Quality control

Last Answer : Philippine Financial Reporting Standards

Are you choosing between Spark and Hadoop for your development project?

Description : Are you choosing between Spark and Hadoop for your development project?

Last Answer : Both Hadoop and Spark are open source projects by Apache Software Foundation and both are the flagship products in big data analytics. Hadoop has been leading the big data market for more than 5 ... Hadoop's installed base amounts to 50,000+ customers, while Spark boasts 10,000+ installations only.

Best Hadoop online Training?

Description : Best Hadoop online Training?

Last Answer : Answers is the place to go to get the answers you need and to ask the questions you want

Which of the following can be identified as cloud? a) Web Applicationsb) Intranet c) Hadoop d) All of the mentioned

Description : Which of the following can be identified as cloud? a) Web Applicationsb) Intranet c) Hadoop d) All of the mentioned

Last Answer : Hadoop

The Hadoop list includes the HBase database, the Apache Mahout ________ system, and matrix operations. a) Machine learning b) Pattern recognition c) Statistical classification d) Artificial intelligence

Description : The Hadoop list includes the HBase database, the Apache Mahout ________ system, and matrix operations. a) Machine learning b) Pattern recognition c) Statistical classification d) Artificial intelligence

Last Answer : Machine learning

Hadoop achieves reliability by replicating the data across multiple hosts and hence does not require ________ storage on hosts. a) RAID b) Standard RAID levels c) ZFS d) Operating system

Description : Hadoop achieves reliability by replicating the data across multiple hosts and hence does not require ________ storage on hosts. a) RAID b) Standard RAID levels c) ZFS d) Operating system

Last Answer : RAID

Which of the following platforms does Hadoop run on? a) Bare metal b) Debian c) Cross-platform d) Unix-like

Description : Which of the following platforms does Hadoop run on? a) Bare metal b) Debian c) Cross-platform d) Unix-like

Last Answer : Cross-platform

What was Hadoop written in? a) Java (software platform) b) Perl c) Java (programming language) d) Lua (programming language)

Description : What was Hadoop written in? a) Java (software platform) b) Perl c) Java (programming language) d) Lua (programming language)

Last Answer : Java (programming language)

Which of the following genres does Hadoop produce? a) Distributed file system b) JAX-RS c) Java Message Service d) Relational Database Management System

Description : Which of the following genres does Hadoop produce? a) Distributed file system b) JAX-RS c) Java Message Service d) Relational Database Management System

Last Answer : Distributed file system

Sun also has the Hadoop Live CD ________ project, which allows running a fully functional Hadoop cluster using a live CD. a) OpenOffice.org b) OpenSolaris c) GNU d) Linux

Description : Sun also has the Hadoop Live CD ________ project, which allows running a fully functional Hadoop cluster using a live CD. a) OpenOffice.org b) OpenSolaris c) GNU d) Linux

Last Answer : OpenSolaris

What license is Hadoop distributed under? a) Apache License 2.0 b) Mozilla Public License c) Shareware d) Commercia

Description : What license is Hadoop distributed under? a) Apache License 2.0 b) Mozilla Public License c) Shareware d) Commercia

Last Answer : Apache License 2.0

IBM and ________ have announced a major initiative to use Hadoop to support university courses in distributed computer programming. a) Google Latitude b) Android (operating system) c) Google Variations d) Google

Description : IBM and ________ have announced a major initiative to use Hadoop to support university courses in distributed computer programming. a) Google Latitude b) Android (operating system) c) Google Variations d) Google

Last Answer : Google

Which of the following can be identified as cloud? a) Web Applications b) Intranet c) Hadoop d) All of the mentioned

Description : Which of the following can be identified as cloud? a) Web Applications b) Intranet c) Hadoop d) All of the mentioned

Last Answer : Hadoop

During Safemode Hadoop cluster is in a) Read-only b) Write-only c) Read-Write d) None of the above

Description : During Safemode Hadoop cluster is in a) Read-only b) Write-only c) Read-Write d) None of the above

Last Answer : Read-only

Which of the following command is used to enter Safemode a) hadoop dfsadmin –safemode get b) bin dfsadmin –safemode get c) hadoop dfsadmin –safemode enter d) None of the above

Description : Which of the following command is used to enter Safemode a) hadoop dfsadmin –safemode get b) bin dfsadmin –safemode get c) hadoop dfsadmin –safemode enter d) None of the above

Last Answer : hadoop dfsadmin –safemode enter

What are the advantages of HDFS federation in Hadoop? a) Isolation b) Namespace scalability c) Improves throughput d) All of the above

Description : What are the advantages of HDFS federation in Hadoop? a) Isolation b) Namespace scalability c) Improves throughput d) All of the above

Last Answer : All of the above

Under Hadoop High Availability, Fencing means a)Preventing a previously active namenode from start running again. b)Preventing the start of a failover in the event of network failure with the active namenode. c)Preventing the power down to the previously active namenode. d)Preventing a previously active namenode from writing to the edit log.

Description : Under Hadoop High Availability, Fencing means a)Preventing a previously active namenode from start running again. b)Preventing the start of a failover in the event of network failure with the ... previously active namenode. d)Preventing a previously active namenode from writing to the edit log.

Last Answer : Preventing a previously active namenode from writing to the edit log.

In a Hadoop cluster, what is true for a HDFS block that is no longer available due to disk corruption or machine failure? a)It is lost for ever b)It can be replicated form its alternative locations to other live machines. c)The namenode allows new client request to keep trying to read it. d)The Mapreduce job process runs ignoring the block and the data stored in it.

Description : In a Hadoop cluster, what is true for a HDFS block that is no longer available due to disk corruption or machine failure? a)It is lost for ever b)It can be replicated form its alternative locations ... to read it. d)The Mapreduce job process runs ignoring the block and the data stored in it.

Last Answer : It can be replicated form its alternative locations to other live machines.

________ is a utility which allows users to create and run jobs with any executables as the mapper and/or the reducer. a) Hadoop Strdata b) Hadoop Streaming c) Hadoop Stream d) None of the mentioned

Description : ________ is a utility which allows users to create and run jobs with any executables as the mapper and/or the reducer. a) Hadoop Strdata b) Hadoop Streaming c) Hadoop Stream d) None of the mentioned

Last Answer : Hadoop Streaming

________ is a utility which allows users to create and run jobs with any executables as the mapper and/or the reducer. a) Hadoop Strdata b) Hadoop Streaming c) Hadoop Stream d) None of the mentioned

Description : ________ is a utility which allows users to create and run jobs with any executables as the mapper and/or the reducer. a) Hadoop Strdata b) Hadoop Streaming c) Hadoop Stream d) None of the mentioned

Last Answer : Hadoop Streaming

The topmost layer of Hadoop is the _________ engine a) HDFS b) Cluster c) MapReduce d) Job Tracker

Description : The topmost layer of Hadoop is the _________ engine a) HDFS b) Cluster c) MapReduce d) Job Tracker

Last Answer : MapReduce

The client reading the data from HDFS filesystem in Hadoop a) gets the data from the namenode b) gets the block location from the datanode c) gets only the block locations form the namenode d) gets both the data and block location from the namenode

Description : The client reading the data from HDFS filesystem in Hadoop a) gets the data from the namenode b) gets the block location from the datanode c) gets only the block locations form the namenode d) gets both the data and block location from the namenode

Last Answer : gets only the block locations form the namenode

In Hadoop, the files are stored in a) Directory b) DFS c) GFS d) HDFS

Description : In Hadoop, the files are stored in a) Directory b) DFS c) GFS d) HDFS

Last Answer : HDFS

Hadoop was originally developed by a) Microsoft b) Google c) Yahoo d) IBM

Description : Hadoop was originally developed by a) Microsoft b) Google c) Yahoo d) IBM

Last Answer : Yahoo

_________ software library to write and run large user applications on vast data sets in business applications a) Apache Tomcat b) Hadoop c) Open Stack d) Open Nebula

Description : _________ software library to write and run large user applications on vast data sets in business applications a) Apache Tomcat b) Hadoop c) Open Stack d) Open Nebula

Last Answer : Hadoop

Very large sustainable reading and writing bandwidth, mostly continuous accessing instead of random accessing. The programming interface is similar to that of the POSIX file system accessing interface. This is the feature of a) Amazon S3 and EBS b) GFS: Google File System c) HDFS: Hadoop Distributes File System d) None of the above

Description : Very large sustainable reading and writing bandwidth, mostly continuous accessing instead of random accessing. The programming interface is similar to that of the POSIX file system accessing interface. This is ... : Google File System c) HDFS: Hadoop Distributes File System d) None of the above

Last Answer : GFS: Google File System

What movie or TV show made you question your morality framework, understanding or beliefs after watching it? Why?

Description : What movie or TV show made you question your morality framework, understanding or beliefs after watching it? Why?

Last Answer : Chernobyl changed my mind about nuclear energy. I never really could understand how it happened, so my whole belief about it was "It's WAY too dangerous to risk using." But the TV show, as horrifying as ... of going wrong, of course, but safer than the death-traps-in-waiting I assumed them to be.

Did you know that the diagonals of the faces of a cube can be joined to form the framework of a tetrahedron?

Description : Did you know that the diagonals of the faces of a cube can be joined to form the framework of a tetrahedron?

Last Answer : I just drew it. Amasing!

What are some activities or hobbies you've decided (and succeeded) to learn/do on your own - outside an institution or framework?

Description : What are some activities or hobbies you've decided (and succeeded) to learn/do on your own - outside an institution or framework?

Last Answer : I made a few pieces of artwork with pastels. I’ve never had an art class in my life.

What is Microsoft.NET Framework Assistant 1.1?

Description : What is Microsoft.NET Framework Assistant 1.1?

Last Answer : answer:It's something that allows web sites to install stuff (without asking your permission). You only need it if you need any of those sites to install stuff, and they don't provide another way ... uninstall it in the Windows Registry, which could be a problem if you did it incorrectly.) article

What replaces the System.Data.OracleClient in .NET Framework 4.0?

Description : What replaces the System.Data.OracleClient in .NET Framework 4.0?

Last Answer : Hmm. Unfortunately I am not familiar with System.Data.OracleClient, but I would guess that Oracle supplies a .NET connector that you can use in your code. I say this becaues MySQL provides one that ... on their site. Just do some Googling for access oracle database C# or something like that.

What is the most popular PHP framework available?

Description : What is the most popular PHP framework available?

Last Answer : I’m lazy and will just answer the last question. I use CakePHP when I need too since I’m familiar with it and it gives me the least problems out of the ones I have used. But I avoid them and usually just do everything from scratch.

Why are content management frameworks like Drupal so much more popular than MVC framework like CakePHP, but so much less fun to develop with?

Description : Why are content management frameworks like Drupal so much more popular than MVC framework like CakePHP, but so much less fun to develop with?

Last Answer : I’m not sure what your question is. It’s the responsibility of an experienced developer to pick the framework that best suits the site he’s trying to build. There are many options because there are many types of sites, and there’s no single best solution for all problems.

Looking for a unit-testing framework that can work with AppEngine projects?

Description : Looking for a unit-testing framework that can work with AppEngine projects?

Last Answer : The folks at Google wrote their examples in JUnit: http://code.google.com/appengine/docs/java/tools/localunittesting.html. As a big fan of the xUnit frameworks, I’d consider that a stroke of good luck.

what is agile development framework

Description : what is agile development framework

Last Answer : Agile is the name of a software development methodology that calls for rapid iterations through the traditional software development life cycle (analysis, design, development, testing, acceptance). The ... when a group of programmers came together and published the Agile Manifesto back in 2001.

What is the best php framework?

Description : What is the best php framework?

Last Answer : I have found cake to be the most portable and easy to install. If I had to choose a MVC PHP framework I would go with Cake.

What is the advantage of using a PHP Framework?

Description : What is the advantage of using a PHP Framework?

Last Answer : answer:The advantage is speed and support. With any framework, you are relying on the work of others to speed up your development process. Because so much has been built in, you don't have to ... development outfits write something once and then reuse it across projects. It's the same type of model.

What's the better CSS framework for you?

Description : What's the better CSS framework for you?

Last Answer : Well, I’ve heard nice things about blueprint, but I opt out of the css framework. Most of my web apps are to specific to warrant a framework.

The Legal Framework Order of August 2002 in Pakistan was non- democratic in nature.'Justify by giving suitable reasons. -Civics 9th

Description : The Legal Framework Order of August 2002 in Pakistan was non- democratic in nature.'Justify by giving suitable reasons. -Civics 9th

Last Answer : "legal framework order of August 2002 in Pakistan was non-democratic in nature." Justify by giving five reasons. reasons are: (i) President can dismiss the National/Provincial Assemblies. (ii) Work of civilian cabinet supervised by military officers.

The Legal Framework Order of August 2002 in Pakistan was non- democratic in nature.'Justify by giving suitable reasons. -Civics 9th

Description : The Legal Framework Order of August 2002 in Pakistan was non- democratic in nature.'Justify by giving suitable reasons. -Civics 9th

Last Answer : In August 2002, Pervez Musharraf issued a 'Legal Framework Order' that amended the constitution of Pakistan. According to this order, the President could dismiss the national or provincial assemblies.

A decorative framework to conceal curtain fixtures at the top of a window casing. -Do You Know?

Description : A decorative framework to conceal curtain fixtures at the top of a window casing. -Do You Know?

Last Answer : The cornice juts away from the building enough that the rainwater flows away from the building. Not just for buildings, the word cornice can also describe raised decorative molding right under the ceiling in a room or a similar decorative topping that crowns some windows to hide curtain rods.

How is a base class helpful in the Selenium WebDriver framework?

Description : How is a base class helpful in the Selenium WebDriver framework?

Last Answer : The base class in the main class will take care of Browser setup, loading configuration files, and other reusable methods like the screenshot, handling sync issues, and many more.Using Base class we ... Reuse code as much we want.For more information Subscribe to our page - Software testing board

What do you call the measurement of various framework parts of the ships structure?

Description : What do you call the measurement of various framework parts of the ships structure?

Last Answer : Ano nga ba?

What is NET Compact Framework ( .NET CF) ?

Description : What is NET Compact Framework ( .NET CF) ?

Last Answer : NET Compact Framework (.NET CF). A subset of the .NET Framework for resource-artificial devices such as personal digital assistants (PDAs) , mobile phones and set-top boxes. NET ... with architecture derived from .NET Framework. A set of classes designed exclusively for optimal performance.