![sas interview questions pdf free download sas interview questions pdf free download](https://image.slidesharecdn.com/50commoninterviewquestionsandanswers-130417051959-phpapp02/95/50-common-interview-questions-and-answers-1-638.jpg)
When we send a data to a node, do we allow settling in time, before sending another data to that node?Ĥ5. Are job tracker and task trackers present in separate machines?Ĥ4.
#SAS INTERVIEW QUESTIONS PDF FREE DOWNLOAD UPGRADE#
If datanodes increase, then do we need to upgrade Namenode?Ĥ3. If a data Node is full how it’s identified?Ĥ2. If we want to copy 10 blocks from one machine to another, but another machine can copy only 8.5 blocks, can the blocks be broken at the time of replication?Ĥ1. What are the benefits of block transfer?ģ9. If a particular file is 50 mb, will the HDFS block still consume 64 mb as the default size?ģ8. Are Namenode and job tracker on the same host?ģ7. Is Namenode machine same as datanode machine as in terms of hardware?ģ5. Why do we use HDFS for applications having large data sets and not when there are lot of small files?ģ3. What is a commodity hardware? Does commodity hardware include RAM?Ģ9. What is throughput? How does HDFS get a good throughput?Ģ4. Since the data is replicated thrice in HDFS, does it mean that any calculation done on one node will also be replicated on the other two?Ģ2. Replication causes data redundancy then why is pursued in HDFS?Ģ1. What are the core components of Hadoop?Ģ0. What is structured and unstructured data?ġ6. What is the basic difference between traditional RDBMS and Hadoop?ġ5. Give examples of some companies that are using Hadoop structure?ġ4. Give a brief overview of Hadoop history.ġ3.
![sas interview questions pdf free download sas interview questions pdf free download](https://cdn3.virtualsheetmusic.com/images/first_pages/HL/HL-147563First_BIG_1.png)
What are some of the characteristics of Hadoop framework?ġ2. How analysis of Big Data is useful for organizations?ġ1.
![sas interview questions pdf free download sas interview questions pdf free download](https://image.slidesharecdn.com/30bestemploymentinterviewquestionsandanswers-141204060250-conversion-gate01/95/30-best-employment-interview-questions-and-answers-1-638.jpg)
According to IBM, what are the three characteristics of Big Data?Ħ. Can you give a detailed overview about the Big Data being generated by Facebook?Ĥ. Can you give some examples of Big Data?ģ. Latest 100 Best Hadoop (Bigdata) Interview Questions and Answers for freshers and experienced pdfĢ.