# Foundations for Big Data

1. **Which of the following is the best description of why it is important to learn about the foundations for big data?**
    
    * Foundations stand the test of time.
        
    * <mark>Foundations allow for the understanding of practical concepts in Hadoop.</mark>
        
    * Foundations is all that is required to show a mastery of big data concepts.
        
    * Foundations help you revisit calculus concepts required in the understanding of big data.
        
2. **What is the benefit of a commodity cluster?**
    
    * Prevents individual component failures
        
    * <mark>Enables fault tolerance</mark>
        
    * Much faster than a traditional super computer
        
    * Prevents network connection failure
        
3. **What is a way to enable fault tolerance?**
    
    * Better LAN Connection
        
    * Distributed Computing
        
    * System Wide Restart
        
    * <mark>Redundant Data Storage</mark>
        
4. **What are the specific benefit(s) to a distributed file system?**
    
    * <mark>High Fault Tolerance</mark>
        
    * <mark>Data Scalability</mark>
        
    * Large Storage
        
    * <mark>High Concurrency</mark>
        
5. **Which of the following are general requirements for a programming language in order to support big data models?**
    
    * Enable Adding of More Racks
        
    * Utilize Map Reduction Methods
        
    * Optimization of Specific Data Types
        
    * <mark>Support Big Data Operations</mark>
        
    * <mark>Handle Fault Tolerance</mark>
        

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