Hadoop 101 Cognitive Class Exam Answers 100% Correct [Latest Updated ]

Here you will find ✅✅✅ all the Hadoop 101 Cognitive Class Exam Answers below marked in  Bold Color. These Accelerating Deep Learning with GPUs Cognitive Class quiz Answers have been updated recently with the latest questions asked in the previous examination with full explanations that you will get when you tap on the question.

Here are the 100 % correct answers of all the modules and the final exam of Hadoop IBM Course Certificate Exam Answers – Cognitive Class Hadoop 101 Answers

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.

Module 1: Introduction to Hadoop

Q1) Hadoop is designed for Online Transactional Processing. True or False?

  • True
  • False

Q2) When is Hadoop useful for an application?

  • When all of the application data is unstructured
  • When work can be parallelized
  • When the application requires low latency data access
  • When random data access is required

Q3) With the help of InfoSphere Streams, Hadoop can be used with data-at-rest as well as data-in-motion. True or false?

  • True
  • False     

Module 2: Hadoop Architecture & HDFS

Q1) Network bandwidth between any two nodes in the same rack is greater than bandwidth between two nodes on different racks. True or False?

  • True
  • False

Q2) Hadoop works best on a large data set. True or False?

  • True
  • False

Q3) HDFS is a fully POSIX compliant file system. True or False?

  • True
  • False

Module 3: Hadoop Administration

Q1) You can add or remove nodes from the open source Apache Ambari console. True or False?

  • True
  • False

Q2) It is recommended that you start all of the services in Ambari in order to speed up communications. True or False?

  • True
  • False

Q3) To remove a node using Ambari, you must first remove all of the services using that node. True or False?

  • True
  • False

Module 4: Hadoop Components

Q1) The output of the shuffle operation goes into the mapper before going into the reducer. True or False?

  • True
  • False

Q2) What is true about Pig and Hive in relation to the Hadoop ecosystem?

  • HiveQL requires that you create the data flow
  • PigLatin requires that the data have a schema
  • Fewer lines of code are required compared to a Java program correct
  • All of the above

Q3) Which of the following tools is designed to move data to and from a relational database?

  • Pig
  • Flume
  • Oozie
  • Sqoop

Final Exam Answers HADOOP Certification by IBM

1. HDFS is designed for:

  • Large files, streaming data access, and commodity hardware
  • Large files, low latency data access, and commodity hardware
  • Large files, streaming data access, and high-end hardware
  • Small files, streaming data access, and commodity hardware
  • None of the options is correct

2. The Hadoop distributed file system (HDFS) is the only distributed file system supported by Hadoop. True or false?

  • True
  • False

3. The input to a mapper takes the form < k1, v1 > . What form does the mapper’s output take?

  • < list(k2), v2 >
  • list( < k2, v2 > )
  • < k2, list(v2) >
  • < k1, v1 >
  • None of the options is correct

4. What is Flume?

  • A service for moving large amounts of data around a cluster soon after the data is produced.
  • A distributed file system.
  • A programming language that translates high-level queries into map tasks and reduce tasks.
  • A platform for executing MapReduce jobs.
  • None of the options is correct

5. What is the purpose of the shuffle operation in Hadoop MapReduce?

  • To pre-sort the data before it enters each mapper node.
  • To distribute input splits among mapper nodes.
  • To transfer each mapper’s output to the appropriate reducer node based on a partitioning function.
  • To randomly distribute mapper output among reducer nodes.
  • None of the options is correct

6. Which of the following is a duty of the DataNodes in HDFS?

  • Control the execution of an individual map task or a reduce task.
  • Maintain the file system tree and metadata for all files and directories.
  • Manage the file system namespace.
  • Store and retrieve blocks when told to by clients or the NameNode.
  • None of the options is correct

7. Which of the following is a duty of the NameNode in HDFS?

  • Control the MapReduce job from end-to-end
  • Maintain the file system tree and metadata for all files and directories
  • Store the block data
  • Transfer block data from the data nodes to the clients
  • None of the options is correct

8. Which component determines the specific nodes that a MapReduce task will run on?

  • The NameNode
  • The JobTracker
  • The TaskTrackers
  • The JobClient
  • None of the options is correct

9). Which of the following characteristics is common to Pig, Hive, and Jaql?

  • All translate high-level languages to MapReduce jobs
  • All operate on JSON data structures
  • All are data flow languages
  • All support random reads/writes

               None of the options is correct    

10. Which of the following is NOT an open source project related to Hadoop?

  • Pig
  • UIMA
  • Jackal
  • Avro
  • Lucene

11. During the replication process, a block of data is written to all specified DataNodes in parallel. True or false?

  • True
  • False

12. With IBM BigInsights, Hadoop components can be started and stopped from a command line and from the Ambari Console. True or false?

  • True
  • False

13. When loading data into HDFS, data is held at the NameNode until the block is filled and then the data is sent to a DataNode. True or false?

  • True
  • False

14. Which of the following is true about the Hadoop federation?

  • Uses JournalNodes to decide the active NameNode
  • Allows non-Hadoop programs to access data in HDFS
  • Allows multiple NameNodes with their own namespaces to share a pool of DataNodes
  • Implements a resource manager external to all Hadoop frameworks

15. Which of the following is true about Hadoop high availability?

  • Uses JournalNodes to decide the active NameNode
  • Allows non-Hadoop programs to access data in HDFS
  • Allows multiple NameNodes with their own namespaces to share a pool of DataNodes
  • Implements a resource manager external to all Hadoop frameworks

16. Which of the following is true about YARN?

  • Uses JournalNodes to decide the active NameNode
  • Allows non-Hadoop programs to access data in HDFS
  • Allows multiple NameNodes with their own namespaces to share a pool of DataNodes
  • Implements a resource manager external to all Hadoop frameworks

17. Which of the following sentences is true?

  • Hadoop is good for OLTP, DSS, and big data
  • Hadoop includes open source components and closed source components
  • Hadoop is a new technology designed to replace relational databases
  • All of the options are correct
  • None of the options is correct

18. In which of these scenarios should Hadoop be used?

  • Processing billions of email messages to perform text analytics correct
  • Obtaining stock price trends on a per-minute basis
  • Processing weather sensor information to predict a hurricane path
  • Analyzing vital signs of a baby in real time
  • None of the options is correct

COURSE SYLLABUS

Module 1 –  Introduction to Hadoop

  • Understand what Hadoop is
  • Understand what Big Data is
  • Learn about other open source software related to Hadoop
  • Understand how Big Data solutions can work on the Cloud

Module 2 – Hadoop Architecture

  • Understand the main Hadoop components
  • Learn how HDFS works
  • List data access patterns for which HDFS is designed
  • Describe how data is stored in an HDFS cluster

Module 3 – Hadoop Administration

  • Add and remove nodes from a cluster
  • Verify the health of a clusterStart and stop a clusters components
  • Modify Hadoop configuration parameters
  • Setup a rack topology

Module 4 – Hadoop Components

  • Describe the MapReduce philosophy
  • Explain how Pig and Hive can be used in a Hadoop environment
  • Describe how Flume and Sqoop can be used to move data into Hadoop
  • Describe how Oozie is used to schedule and control Hadoop job execution

Conclusion

I’m assuming that this article would be useful for you to find all the Cognitive Class Hadoop 101 Exam Answers 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 Answers.

140 thoughts on “Hadoop 101 Cognitive Class Exam Answers 100% Correct [Latest Updated ]”

  1. After research a couple of of the blog posts on your website now, and I actually like your method of blogging. I bookmarked it to my bookmark web site checklist and can be checking again soon. Pls take a look at my website as well and let me know what you think.

    Reply
  2. This article is a true work of art, a testament to the power of quality journalism to inform and educate readers on important issues. The author’s ability to present complex issues with nuance and sensitivity is truly remarkable, and their commitment to presenting balanced and unbiased perspectives on each topic is commendable. What I appreciate most about this article is its ability to tackle complex issues and present them in a way that is accessible and engaging for readers of all levels, making it a valuable resource for anyone looking to stay informed on important social and political issues.

    Reply
  3. This blog is an absolute gem. The author’s writing is not only informative and engaging, but also thought-provoking and insightful. I appreciate the level of research that goes into each post, and the author’s ability to present complex ideas in a clear and accessible way. What I love most about this blog is its commitment to providing factual and balanced perspectives on a wide range of topics. Whether I’m looking to learn something new or simply looking for an interesting read, I always turn to this blog.

    Reply
  4. I’ve been browsing online more than 3 hours these days, but I never discovered any fascinating article like yours. It is lovely worth sufficient for me. In my opinion, if all site owners and bloggers made excellent content as you probably did, the web will probably be much more useful than ever before.

    Reply
  5. I really wanted to send a message so as to appreciate you for those remarkable solutions you are giving out here. My time consuming internet look up has finally been recognized with excellent insight to go over with my pals. I would point out that most of us website visitors actually are very fortunate to be in a decent website with very many outstanding people with insightful guidelines. I feel quite fortunate to have come across your website and look forward to tons of more amazing moments reading here. Thanks again for all the details.

    Reply
  6. My coder is trying to persuade me to move to .net from PHP. I have always disliked the idea because of the expenses. But he’s tryiong none the less. I’ve been using WordPress on several websites for about a year and am nervous about switching to another platform. I have heard very good things about blogengine.net. Is there a way I can import all my wordpress posts into it? Any kind of help would be greatly appreciated!

    Reply
  7. I will right away grab your rss feed as I can’t find your email subscription link or newsletter service. Do you have any? Kindly let me know so that I could subscribe. Thanks.

    Reply
  8. certainly like your website but you need to test the spelling on several of your posts. Many of them are rife with spelling problems and I find it very bothersome to inform the truth nevertheless I?¦ll certainly come back again.

    Reply
  9. Good – I should definitely pronounce, impressed with your site. I had no trouble navigating through all the tabs as well as related information ended up being truly simple to do to access. I recently found what I hoped for before you know it at all. Quite unusual. Is likely to appreciate it for those who add forums or something, site theme . a tones way for your client to communicate. Excellent task.

    Reply
  10. Fantastic goods from you, man. I have understand your stuff previous to and you are just too great. I really like what you have acquired here, really like what you’re stating and the way in which you say it. You make it enjoyable and you still take care of to keep it wise. I can’t wait to read far more from you. This is actually a terrific website.

    Reply
  11. I am really impressed along with your writing talents and also with the format in your blog. Is that this a paid theme or did you customize it your self? Either way keep up the excellent high quality writing, it’s uncommon to see a great blog like this one these days..

    Reply
  12. Thank you so much for giving everyone an extremely superb possiblity to read in detail from this blog. It is always very terrific and also full of fun for me and my office friends to visit your website minimum three times in a week to read through the newest items you have got. And definitely, I’m also usually fascinated with all the gorgeous strategies you give. Certain 4 tips in this post are basically the finest we’ve ever had.

    Reply
  13. It is perfect time to make a few plans for the longer term and it is time to be happy. I’ve learn this put up and if I may just I want to recommend you few fascinating things or advice. Maybe you could write next articles referring to this article. I desire to read even more issues approximately it!

    Reply
  14. I like what you guys are up also. Such clever 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 web site :).

    Reply
  15. Great weblog here! Also your web site so much up very fast! What web host are you the use of? Can I am getting your affiliate link on your host? I desire my website loaded up as quickly as yours lol

    Reply
  16. This is very interesting, You’re a very skilled blogger. I’ve joined your feed and look forward to seeking more of your wonderful post. Also, I’ve shared your website in my social networks!

    Reply
  17. I simply had to thank you so much once more. I’m not certain what I would have done in the absence of these solutions shared by you regarding that topic. It was a very scary setting for me, however , taking note of your expert way you processed that made me to jump with happiness. I’m just grateful for this information and even pray you know what a great job you were putting in instructing some other people with the aid of your webblog. I know that you haven’t got to know any of us.

    Reply
  18. Attractive section of content. I simply stumbled upon your site and in accession capital to assert that I acquire actually loved account your weblog posts. Anyway I’ll be subscribing in your feeds or even I success you get admission to persistently quickly.

    Reply
  19. Greetings from Florida! I’m bored at work so I decided to check out your site on my iphone during lunch break. I really like the info you provide here and can’t wait to take a look when I get home. I’m shocked at how quick your blog loaded on my phone .. I’m not even using WIFI, just 3G .. Anyways, superb blog!

    Reply
  20. 539開獎
    《539彩券:台灣的小確幸》

    哎呀,說到台灣的彩券遊戲,你怎麼可能不知道539彩券呢?每次”539開獎”,都有那麼多人緊張地盯著螢幕,心想:「這次會不會輪到我?」。

    ### 539彩券,那是什麼來頭?

    嘿,539彩券可不是昨天才有的新鮮事,它在台灣已經陪伴了我們好多年了。簡單的玩法,小小的投注,卻有著不小的期待,難怪它這麼受歡迎。

    ### 539開獎,是場視覺盛宴!

    每次”539開獎”,都像是一場小型的節目。專業的主持人、明亮的燈光,還有那台專業的抽獎機器,每次都帶給我們不小的刺激。

    ### 跟我一起玩539?

    想玩539?超簡單!走到街上,找個彩券行,選五個你喜歡的號碼,買下來就對了。當然,現在科技這麼發達,坐在家裡也能買,多方便!

    ### 539開獎,那刺激的感覺!

    每次”539開獎”,真的是讓人既期待又緊張。想像一下,如果這次中了,是不是可以去吃那家一直想去但又覺得太貴的餐廳?

    ### 最後說兩句

    539彩券,真的是個小確幸。但嘿,玩彩券也要有度,別太沉迷哦!希望每次”539開獎”,都能帶給你一點點的驚喜和快樂。

    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