MapReduce and YARN Cognitive Class Course Answer(💯Correct)

by
MapReduce and YARN Cognitive Class Course Answer(💯Correct)

Hello Learners, Today, we are going to share MapReduce and YARN Cognitive Class Course Exam Answer launched by IBM. This certification course is totally free of cost✅✅✅ for you and available on Cognitive Class platform.

Here, you will find MapReduce and YARN Exam Answers in Bold Color which are given below.

These answers are updated recently and are 100% correct✅ answers of all modules and final exam answers of MapReduce and YARN from Cognitive Class Certification Course.

Course NameMapReduce and YARN
OrganizationIBM
SkillOnline Education
LevelBeginner
LanguageEnglish
PriceFree
CertificateYes

For participating in quiz/exam, first you will need to enroll yourself in the given link mention below and learn MapReduce and YARN launched by IBM. Interested students must enroll for this courses and grab this golden opportunity which will definitely enhance their technical skills and you will learn more things in brief.

Link for Course Enrollment: Enroll Now

Use “Ctrl+F” To Find Any Questions Answer. & For Mobile User, You Just Need To Click On Three dots In Your Browser & You Will Get A “Find” Option There. Use These Option to Get Any Random Questions Answer.

MapReduce and YARN Cognitive Class Course Exam Answer

Module 1: Introduction to MapReduce and YARN

Question 1 : Which phase of MapReduce is optional?

  • Shuffle
  • Reduce
  • Combiner
  • Map

Question 2: Which node is responsible for assigning (key, value) pairs to different reducers?

  • Shuffle node
  • Reducer node
  • Combiner node
  • Mapper node

Question 3: Where are the output files of the Reducer task stored?

  • A data warehouse
  • Hadoop FS
  • Within the Reducer node
  • Linux FS

Module 2: Limitations of Hadoop v1 & MapReduce v1

Question 1 : What is an issue or limitation of the original MapReduce v1 paradigm?

  • It’s not scalable
  • It only has one TaskTracker
  • It only supports Parquet file types
  • It only has one JobTracker

Question 2: How is YARN an improvement over the MapReduce v1 paradigm?

  • It’s completely open source
  • It splits the JobTracker into two processes: ResourceManager and ApplicationManager
  • It reduces multi-tenancy to improve performance
  • It splits the TaskTracker into two processes: ResourceManager and ApplicationManager

Question 3: Existing applications can run on YARN without recompilation. True or False?

  • True
  • False

Module 3: The Architecture of YARN

Question 1 : The main change from Hadoop v1 to Hadoop v2 was the consolidation of both resource management and job processing. True or False?

  • True
  • False

Question 2: The NodeManager is a more generic and efficient version of the TaskTracker. True or False?

  • True
  • False

Question 3: A new ApplicationMaster is launched for each job and ends when the job completes. True or False?

  • True
  • False

Final Exam :

Question 1: Which of the following is the correct sequence of MapReduce flow?

  • Reduce —> Combine —> Map
  • Combine —> Reduce —> Map
  • Map —> Reduce —> Combine
  • Map —> Combine —> Reduce

Question 2 :  Which of the following can be used to control the number of part files in a MapReduce program’s output directory?

  • Shuffle parameters
  • Number of Reducers
  • Counter
  • Number of Mappers
  • Duplicate of ‘Question 2’

Question 3:  Which of the following operations will work improperly when using a Combiner?

  • Average
  • Maximum
  • Count
  • Minimum

Question 4 : Which of the following is true about MapReduce?

  • Compression of input files is optional.
  • Output from the Map phase is replicated.
  • The programmer must write the Map code, the Shuffle code, and the Reduce code.
  • MapReduce programs must be written in Java.

Question 5 : Input data to MapReduce is record-oriented and blocks of data contain the same number of full records. True or False?

  • False.
  • True.

Question 6 :Which statement is true about the Reduce phase of MapReduce?

  • Output results are sent to the client program.
  • Data arrives from the Shuffle phase already sorted by key.
  • The Reducer phase sums up the values associated with each key.
  • Each Reduce task processes all the data for one key only.

Question 7:Which statement is true about the Reduce phase of MapReduce?

  • Containers are used instead of slots in MRv1, and can be used with either Map or Reduce tasks in MRv2.
  • There is one JobTracker in the cluster.
  • MapReduce jobs written in Java for MRv1 never require recompilation.
  • Each job has an ApplicationManager that obtains Container IDs from the NodeManager.

Question 8: With YARN, long-running jobs acquire and retain fixed-size containers before execution starts. True or False?

  • False.
  • True.

Question 9: Which of the following statements is true?

  • The NameNode in Hadoop 2 is fully fault-tolerant, whereas in Hadoop 1 it was a single point of failure.
  • The NodeManager in Hadoop 2 replaces the TaskTracker in Hadoop 1.
  • YARN requires a minimum of two nodes, one master and one slave, to run
  • Both MapReduce and YARN can scale to any cluster size.

Question 10: The command provides the CLASSPATH needed for compiling Java programs written for MapReduce or YARN. True or False?

  • False.
  • True.

Question 11: Which statement is true about MapReduce’s use of replication in HDFS?

  • Only one copy of each replicated block is processed by MapReduce in normal operation.
  • Speculative execution is normally performed on all copies of each “split.”
  • Each DataNode uses RAID to store its data.
  • Multiple copies of each record are kept on each node.

Question 12: On which file system (FS) is the output of a Mapper task stored?

  • Linux FS, and it is replicated 3 times.
  • HDFS, and it is replicated 3 times.
  • Linux FS, but it is not replicated.
  • HDFS, but it is not replicated.

Question 13 : Which of the following statements is true?

  • You can set the number of Reducers.
  • The Shuffle phase is optional.
  • You can set the number of Mappers and the number of Reducers.
  • The number of Combiners is the same as the number of Reducers.
  • You can set the number of Mappers.

Question 14 : What will a Hadoop job do if you try to run it with an output directory that is already present?

  • It will create new files, but with a different suffix.
  • It will create another directory to store the output.
  • It will erase all files in that directory before running.
  • It will not run.

Question 15 :What are the main components of the ResourceManager in YARN? Select two.

  • Scheduler
  • JobTracker
  • DataManager
  • HDFS
  • ApplicationManager

Conclusion

Hopefully, this article will be useful for you to find all the Modules and Final Quiz Answers of MapReduce and YARN of Cognitive Class and grab some premium knowledge with less effort. If this article really helped you in any way then make sure to share it with your friends on social media and let them also know about this amazing training. You can also check out our other course Answers. So, be with us guys we will share a lot more free courses and their exam/quiz solutions also and follow our Techno-RJ Blog for more updates.

FAQs

Can I get a Printable Certificate?

Yes, you will receive a MapReduce and YARN Certificate of Learning after successful completion of course. You can download a printed certificate or share completion certificates with others and add them to your LinkedIn profile.

Why should you choose online courses?

You should go to an online certification course to get credentials that can help you in your work. It also helps you to share your skills with the employer. These certificates are an investment in building your business. And the important thing you can access these courses anytime and multiple times.

Is this course is free?

Yes MapReduce and YARN Course is totally free for you. The only thing is needed i.e. your dedication towards learning this course.

270 thoughts on “MapReduce and YARN Cognitive Class Course Answer(💯Correct)”

  1. Heya i am for the first time here. I came across this board and I in finding It really helpful & it helped me out much. I’m hoping to provide something back and aid others such as you aided me.

    Reply

  2. I was just looking for this info for some time. After six hours of continuous Googleing, at last I got it in your site. I wonder what is the lack of Google strategy that do not rank this type of informative sites in top of the list. Generally the top websites are full of garbage.

    Reply

  3. Hmm it looks like your blog ate my first comment (it was extremely long) so I guess I’ll just sum it up what I wrote and say, I’m thoroughly enjoying your blog. I as well am an aspiring blog writer but I’m still new to everything. Do you have any suggestions for rookie blog writers? I’d genuinely appreciate it.

    Reply

  6. Virtually all of whatever you claim is astonishingly legitimate and it makes me wonder the reason why I hadn’t looked at this with this light previously. This article truly did turn the light on for me personally as far as this subject goes. But there is actually just one issue I am not too cozy with so whilst I attempt to reconcile that with the actual core idea of your point, let me see what all the rest of your readers have to say.Well done.

    Reply

  8. I was curious if you ever considered changing the page layout of your website? Its very well written; I love what youve got to say. But maybe you could a little more in the way of content so people could connect with it better. Youve got an awful lot of text for only having one or two images. Maybe you could space it out better?

    Reply

  9. We are a group of volunteers and opening a new scheme in our community. Your website offered us with valuable info to work on. You have done a formidable job and our whole community will be grateful to you.

    Reply

  10. Hello! Quick question that’s completely off topic. Do you know how to make your site mobile friendly? My site looks weird when browsing from my iphone4. I’m trying to find a theme or plugin that might be able to resolve this issue. If you have any suggestions, please share. Appreciate it!

    Reply

  15. Hi my friend! I want to say that this post is awesome, nice written and come with almost all vital infos. I would like to peer extra posts like this.

    Reply

  17. I carry on listening to the reports speak about getting free online grant applications so I have been looking around for the best site to get one. Could you tell me please, where could i get some?

    Reply

  20. Thanks for sharing excellent informations. Your website is so cool. I’m impressed by the details that you have on this site. It reveals how nicely you perceive this subject. Bookmarked this web page, will come back for more articles. You, my friend, ROCK! I found simply the info I already searched everywhere and simply could not come across. What a great web site.

    Reply

  42. Whoa! This blog looks exactly like my old one! It’s on a entirely different subject but it has pretty much the same page layout and design. Great choice of colors!

    Reply

  53. I was just searching for this info for a while. After six hours of continuous Googleing, at last I got it in your site. I wonder what’s the lack of Google strategy that do not rank this kind of informative sites in top of the list. Normally the top sites are full of garbage.

    Reply

  55. The very crux of your writing while sounding reasonable in the beginning, did not work very well with me personally after some time. Somewhere within the sentences you actually managed to make me a believer unfortunately only for a short while. I nevertheless have a problem with your leaps in logic and one would do well to help fill in those gaps. When you can accomplish that, I would undoubtedly end up being impressed.

    Reply

  80. Cool blog! Is your theme custom made or did you download it from somewhere? A theme like yours with a few simple tweeks would really make my blog stand out. Please let me know where you got your design. Kudos

    Reply

  89. Oh my goodness! Incredible article dude! Thanks, However I am experiencing issues with your RSS. I don’t know why I can’t subscribe to it. Is there anybody else getting identical RSS problems? Anybody who knows the solution will you kindly respond? Thanx!!

    Reply

  95. Hello there! This is my 1st comment here so I just wanted to give a quick shout out and tell you I genuinely enjoy reading through your blog posts. Can you suggest any other blogs/websites/forums that go over the same subjects? Thanks a ton!

    Reply

  103. I like what you guys are up also. Such smart work and reporting! Carry on the superb works guys I have incorporated you guys to my blogroll. I think it’ll improve the value of my website :).

    Reply

  116. With havin so much content and articles do you ever run into any problems of plagorism or copyright violation? My site has a lot of completely unique content I’ve either authored myself or outsourced but it appears a lot of it is popping it up all over the web without my authorization. Do you know any methods to help protect against content from being ripped off? I’d certainly appreciate it.

    Reply

  120. Nice post. I used to be checking continuously this blog and I am inspired! Very useful information particularly the last part 🙂 I care for such info a lot. I used to be seeking this particular info for a long timelong time. Thank you and good luck.

    Reply

  124. Greetings from Carolina! I’m bored to death at work so I decided to check out your site on my iphone during lunch break. I really like the info you present here and can’t wait to take a look when I get home. I’m amazed at how quick your blog loaded on my cell phone .. I’m not even using WIFI, just 3G .. Anyhow, fantastic site!

    Reply

  133. Hiya! I know this is kinda off topic however , I’d figured I’d ask. Would you be interested in exchanging links or maybe guest writing a blog article or vice-versa? My website goes over a lot of the same subjects as yours and I feel we could greatly benefit from each other. If you are interested feel free to send me an e-mail. I look forward to hearing from you! Excellent blog by the way!

    Reply

  137. When I originally commented I seem to have clicked the -Notify me when new comments are added- checkbox and now every time a comment is added I get four emails with the same comment. Perhaps there is a way you can remove me from that service? Many thanks!

    Reply

  138. You really make it appear so easy with your presentation however I in finding this matter to be really one thing which I think I’d never understand. It seems too complex and extremely extensive for me. I am having a look ahead in your next publish, I?¦ll try to get the hold of it!

    Reply

  141. Thanks for any other excellent post. Where else could anybody get that type of information in such an ideal means of writing? I’ve a presentation next week, and I am at the look for such info.

    Reply

  142. First off I want to say superb blog! I had a quick question in which I’d like to ask if you don’t mind. I was curious to know how you center yourself and clear your thoughts before writing. I have had a difficult time clearing my mind in getting my thoughts out. I do enjoy writing but it just seems like the first 10 to 15 minutes are wasted just trying to figure out how to begin. Any suggestions or tips? Kudos!

    Reply

  151. Hi would you mind letting me know which webhost you’re working with? I’ve loaded your blog in 3 completely different web browsers and I must say this blog loads a lot quicker then most. Can you suggest a good web hosting provider at a honest price? Thank you, I appreciate it!

    Reply

  170. I can’t express how much I admire the effort the author has put into creating this remarkable piece of content. The clarity of the writing, the depth of analysis, and the plethora of information provided are simply impressive. Her zeal for the subject is apparent, and it has undoubtedly made an impact with me. Thank you, author, for sharing your insights and enriching our lives with this incredible article!

    Reply

  175. Wonderful beat ! I wish to apprentice at the same time as you amend your web site, how can i subscribe for a blog web site? The account aided me a applicable deal. I have been tiny bit familiar of this your broadcast provided brilliant transparent concept

    Reply

  176. Does your website have a contact page? I’m having problems locating it but, I’d like to shoot you an email. I’ve got some recommendations for your blog you might be interested in hearing. Either way, great website and I look forward to seeing it improve over time.

    Reply

  177. Pretty great post. I simply stumbled upon your blog and wanted to mention that I have really enjoyed browsing your blog posts. In any case I’ll be subscribing in your feed and I am hoping you write again soon!

    Reply

  179. This design is wicked! You most certainly know how to keep a reader entertained. Between your wit and your videos, I was almost moved to start my own blog (well, almost…HaHa!) Wonderful job. I really enjoyed what you had to say, and more than that, how you presented it. Too cool!

    Reply

  186. Greetings! I know this is kinda off topic but I was wondering which blog platform are you using for this site? I’m getting fed up of WordPress because I’ve had issues with hackers and I’m looking at options for another platform. I would be great if you could point me in the direction of a good platform.

    Reply

  193. I’d like to thank you for the efforts you have put in writing this website. I’m hoping to see the same high-grade blog posts from you in the future as well. In fact, your creative writing abilities has inspired me to get my very own website now 😉

    Reply

  200. Howdy! I know this is kinda off topic however , I’d figured I’d ask. Would you be interested in exchanging links or maybe guest writing a blog article or vice-versa? My site goes over a lot of the same subjects as yours and I feel we could greatly benefit from each other. If you might be interested feel free to send me an e-mail. I look forward to hearing from you! Superb blog by the way!

    Reply

  208. Wonderful blog! Do you have any hints for aspiring writers? I’m planning to start my own site soon but I’m a little lost on everything. Would you propose starting with a free platform like WordPress or go for a paid option? There are so many choices out there that I’m totally confused .. Any ideas? Appreciate it!

    Reply

  213. hi!,I love your writing so much! percentage we communicate more approximately your post on AOL? I need an expert in this space to solve my problem. May be that is you! Taking a look forward to peer you.

    Reply

  214. I’m not sure where you are getting your info, but good topic. I needs to spend some time learning more or understanding more. Thanks for wonderful information I was looking for this information for my mission.

    Reply

  224. We are a group of volunteers and starting a new scheme in our community. Your site provided us with helpful information to work on. You have performed an impressive process and our whole group might be grateful to you.

    Reply

  233. Ищете надежного подрядчика для устройства стяжки пола в Москве? Обращайтесь к нам на сайт styazhka-pola24.ru! Мы предлагаем услуги по залитию стяжки пола любой сложности и площади, а также гарантируем быстрое и качественное выполнение работ.

    Reply

  235. You actually make it appear so easy together with your presentation however I in finding this topic to be really one thing which I believe I’d never understand. It seems too complex and very vast for me. I’m having a look ahead to your next put up, I¦ll attempt to get the hang of it!

    Reply

  236. Ищете надежного подрядчика для механизированной штукатурки стен в Москве? Обратитесь к нам на сайт mehanizirovannaya-shtukaturka-moscow.ru! Мы предлагаем услуги по оштукатуриванию стен механизированным способом любой сложности и площади, а также гарантируем высокое качество работ.

    Reply

  245. I’m extremely impressed with your writing skills as well as with the layout on your weblog. Is this a paid theme or did you modify it yourself? Anyway keep up the excellent quality writing, it’s rare to see a great blog like this one nowadays..

    Reply

  248. Обеспечьте своему жилищу идеальные стены с механизированной штукатуркой. Выберите надежное решение на mehanizirovannaya-shtukaturka-moscow.ru.

    Reply

  253. When I originally commented I seem to have clicked the -Notify me when new comments are added- checkbox and now every time a comment is added I get four emails with the same comment. Perhaps there is a means you can remove me from that service? Thanks!

    Reply

  255. Pretty section of content. I just stumbled upon your weblog and in accession capital to assert that I acquire in fact enjoyed account your blog posts. Any way I’ll be subscribing to your augment and even I achievement you access consistently rapidly.

    Reply

Leave a Comment

Ads Blocker Image Powered by Code Help Pro

Ads Blocker Detected!!!

We have detected that you are using extensions to block ads. Please support us by disabling these ads blocker🙏.

Powered By
Best Wordpress Adblock Detecting Plugin | CHP Adblock