What is apache hadoop - Study guides, Class notes & Summaries

1. What is Apache Spark? - Apache Spark is an open-source cluster computing framework for real-time processing. It has a thriving open-source community and is the most active Apache project at the moment. Spark provides an interface for programming entire clusters with implicit data parallelism and fault-tolerance. 2. Compare Hadoop and Spark - Speed: 100 times faster than Hadoop Real-time & Batch processing vs Hadoop Batch processing only Easy to learn because of high level modules vs Had...

What is big data? - Answer-Big data will show you trends and patterns, small data will not What drives big data? - Answer-As the world becomes more digital, we become more connected. Electronic devices are becoming more economical - meaning more people are gaining access to the digital space. Traditional forms of social communications are being replaced with digital ones (Facebook, online newspapers, email). Big data features - Answer-Volume Variety Velocity Veracity Variability Volat...

What are the 5 Phases of Real-Time? - answer-1) Data Distillation 2) Model Development 3) Validation and Deployment 4)real-time scoring 5) model refresh SQOOP - answer--SQL+Hadoop = sq oop -To import data from relational databases into Hadoop and -to export data to relational databases from Hadoop. Apache Hive? - answer--data warehouse software facilitates reading, writing, and managing large datasets residing in distributed storage using SQL. -used to manipulate data What is Ap...

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 - answer-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 to make the ...

Which definition best describes RCAC? A. It limits access by using views and stored procedures. B. It grants or revokes certain directory privileges. C. It limits the rows or columns returned based on certain criteria. D. It grants or revokes certain user privileges - answer-C. It limits the rows or columns returned based on certain criteria. You have a distributed file system (DFS) and need to set permissions on the the /hive/warehouse directory to allow access to ONLY the bigsql user...

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...

what is Big Data/ 4 V's of Big Data - answer-a collection of data sets so large and complex that your legacy IT systems cannot handle them. (Terabytes, petabytes, exabytes of data). Data is considered 'Big Data' if it satisfies the v's Volume - size/scale of data Variety - of data, data is often unstructured or semi-structured. The different forms of data Velocity - speed of processing data Veracity - (extra added by IBM) uncertainty of the quality of data; analysis of streaming ...

What does it mean if a service is in "Public Preview" mode? Anyone can use the service but normal SLA's do not apply. True or false: Azure Cloud Shell allows access to the CLI & Powershell consoles in the Azure Portal? True What are Azure Availability Zones? A feature of Azure that allows you to manually specify into which DC your virtual machines are placed, which allows you to achieve a higher availability than any other region. What are the (2) Azure AD licenses ava...

CSC 4610 What is Cloud Computing? - Answer- a network of servers on the internet that manages, stores, and process data. What is Apache Hadoop? - Answer- a software framework for storing, processing, and analyzing "BIg Data" For Reliable, Scalable, & Distributed computing. CDH - Answer- Cloudera's Distribution Built to meet enterprise demands; integrates all the key hadoop ecosystem projects. Problems with Traditional Large Scale Computation - Answer- processor bound small amou...

1 GOOGLE ASSOCIATE CLOUD ENGINEER EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+ What is the purpose of a VPC ? Correct Answer: Connects resources to each other and the internet. networks are ___ , subnets are ___ Correct Answer: global,regional How would you increase the size of a subnet? Correct Answer: expanding IP addresses What is the purpose of a pre-emptible VM? Correct Answer: permission to terminate if resources are needed elsewhere. Also very cheap ...