Big Data Test 1 Exam Questions With Verified Answers

Big Data Test 1 Exam Questions With Verified Answers Name one of the drivers of Volume in the Big Data Era? - answerScalable infrastructure Value from Big Data can be _______? - answerProfits In the video, 2.5 Quintillion Bytes of data are equivalent to DVDs? - answer10 million How many petabytes make up an exabyte? - answer1024 What is an example of a source of semi-structured big data? - answerJSON files When is it estimated that the date we create and copy will reach around 35 zettabytes? - answer2020 What is the process of cleaning and analyzing data to derive insight and value from it? - answerData Science What is the search engine used by Walmart? - answerPolaris An example of visualizing Big Data is _______? - answerTemperature on a map What is the term used to describe an holistic approach that takes into account all available and meaningful information about a customer to drive better engagement, revenue and long term loyalty? - answerEnhanced 360-degree view What can help organizations to find new associations or uncover patterns and facts to significantly improve intelligence, security and law enforcement? - answerAnalyzing data in- motion and at rest In Operations Analysis, we focus on what type of data? - answerMachine Data What is a method of storing data to support the analysis of originally disparate sources of data? - answerData Lakes Data Warehouses provide online analytic processing: T/F - answerTrue What does "OLAP" stand for? - answerOnline Analytical Processing -Data storage device to store and retrieve digital information - uses a mechanical arm with a read/write head to move around and read information from the right location - answerHard Disk Drive Storage device, Information is stored in microchips - answerSolid State Drive - the physical hardware inside a computer that temporarily stores data - allows a computer to work with more information at the same time - answerRandom Access Memory responsible for interpreting and executing most of the commands from the other parts of a computer - answerCentral Processing Unit renders images, animations and video for the computer's screen - answerGraphics Processing Unit connects all the parts - answerMotherboard any physical connection point - answercomputenode - compute node blade - each blade is a node - answerBlade server physical infrastructure is fundamental to operation - answerData center 1. Computing machines 2. invention of relational data model 3. added SQL 4. large amounts of data slows down processing 5. enter data warehouse/mart 6. enter web and content management 7. managing big data (cloud storage and network speed) - answerPath and evolution of Data Management Data generated from real time sensors in industrial machinery or vehicles, user behavior online trackers, environmental sensors, personal health trackers and many other sense data resources - answerMachines vast amount of social media data, status updates, tweets, text messages, photos and medias - answerHumans more traditional types of data, including transaction information in databases and structured data stores in data warehouses - answerOrganizations