Hadoop - Study guides, Class notes & Summaries
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BCOR 2205: Info Management Midterm Questions With 100% Correct Answers
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Information Management - Answer-application of management techniques to collect information, 
communicate it within and outside the organization, and process it to enable managers to make 
quicker and better decisions. 
Machine Learning - Answer-the science of getting computers to act and learn without being explicitly 
programmed 
AI - Answer-artificial intelligence; a collection of machine learning algorithms with a central unit 
deciding which of the ML algorithms need to kick in at what time...
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Hadoop Certification Test Study Guide | 192 Questions with 100% Correct Answers | Updated & Verified
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For data in motion. Powered by Apache NiFi. 1) real-time - add, trace, adjust; 2) integrated - 
common input, output, transformation; 3) secure - security rules, encryption, traceability; 4) 
adaptive - adapts data flow, scalable; if connection poor skinnies down data - >>>>Hortonworks 
Data Flow (HDF) 
A user-driven process of searching for patterns or specific items in a data set. Data discovery 
applications use visual tools such as geographical maps, pivot-tables, and heat-maps t...
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INF3703 EXAM PACK 2024
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True & False 
The objective of SOL performance tuning on the client side is to generate an SOL query 
that returns the correct answer in the least amount of time, using the maximum amount 
of resources on the server side 
All database transactions must display at least the properties of Atomicity, consistency, 
convenience, and isolation 
Database recovery techniques are based on the isolation transaction property 
which indicate that the data used during execution of a transaction cannot...
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HaDoop Test Questions & Answers | 30 Questions with 100% Correct Answers | Updated & Verified
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What project was Hadoop originally a part of and what idea was that project 
based on? - >>>>Nutch. It was based on returning web search results faster by distributing data 
and calculations across different compters. 
Fill in the blank. The solution to cataloging the increasing number of web pages 
in the late 1900's and early 2000's was _______. - >>>>Automation 
T/F: The Cassandra File System has many advantages over HDFS, 
but simpler deployment is not one of them. ...
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Big Data Questions and Answers Already Passed
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Big Data Questions and Answers 
 
Already Passed 
 
What is Big Data? Big data is a term which is used to describe any data set that is so large 
and complex that it is difficult to process using traditional applications. 
 
T/F: Big Data is an objective term? False. 
 
Describe at least three sources of Big Data. Archives, Machine logs, Public Web, Sensor 
Data, Social Media 
 
State and explain the characteristics of Big Data: 
Volume The vast amount of data that must be dealt with. 
 
State a...
Too much month left at the end of the money?
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CSE 511 UPDATED Exam Questions and CORRECT Answers
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True or false, sources of dat are becoming larger and more diverse True, Billions or 
even trillions of data sources 
What is the goal of data processing? To extract data that is useful 
Why is the volume of data that is available so large? Increasing number of data sources 
(social media, wearable tech, sensors, cameras, etc), formats, and data points 
How much data is possibly generated in a day? A petabyte (1 million GB) 
What is scalable data processing? Allows database processing systems ...
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HADOOP 444 bigdata 8 Apache Hive 603 - University of Maryland, Baltimore
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HADOOP 444 bigdata 8 Apache Hive 603 - University of Maryland, Baltimore Draw an architectural diagram of Hive with Hadoop and Spark? Show all components. What is the Hive SerDe interface for IO? What is it used for? Describe its benefits? What is the difference between Hive managed tables and external tables? Give examples? Let's look at the fundamental differences between hive internal and external tables now that we've covered the foundations of Hive tables in Hive Data Models. The DESCRIBE...
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CSE 511 Midterm Review Exam Questions With Verified And Updated Answers
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©THESTAR EXAM SOLUTIONS 2024/2025 
ALL RIGHTS RESERVED. 
1 | P a g e 
CSE 511 Midterm Review Exam Questions 
With Verified And Updated Answers 
Which database type is most commonly used to efficiently store unstructured data? 
a) Relational database 
b)Hadoop 
c) NoSQL database 
d) Spark - answerNoSQL database 
In which level of abstraction the logical structure of data is defined? 
a) Conceptual Schema 
b) External Schema(View) 
c) Physical Schema 
d) Filesystem Schema - answerConceptual Schem...
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WGU D491 INTRODUCTION TO ANALYTICS 2024-2025 NEWEST EXAM ACTUAL EXAM VERIFIED QUESTIONS AND DETAILED CORRECT ANSWERS ALREADY GRADED A+ BY EXPERTS.
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WGU D491 INTRODUCTION TO ANALYTICS 
 NEWEST EXAM ACTUAL EXAM 
VERIFIED QUESTIONS AND DETAILED 
CORRECT ANSWERS ALREADY GRADED A+ 
BY EXPERTS. 
Which tool would be most suitable for preparing this data? 
Hadoop 
Which sequence of steps should you follow during the data preparation phase? 
Set up sandbox, extract and transform data, condition data, explore visually 
In the data analytics process, which phase focuses on identifying candidate 
models for clustering, classifying, or finding rela...
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UGBA 104 Excel Midterm 1 Exam with Correct Answers 100%
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UGBA 104 Excel Midterm 1 Exam with 
Correct Answers 100% 
decision analysis - CORRECT ANSWER-Definition: 
A technique used to develop an optimal strategy when a decision maker is faced with 
several decision alternatives and an uncertain set of future events. 
Internet of Things (IoT) - CORRECT ANSWER-Definition: 
The technology that allows data collected from sensors in all types of machines to be 
sent over the Internet to repositories where it can be stored and analyzed. 
optimization mode...
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