30 Questions
What is the primary reason for ensuring resiliency in a big data infrastructure?
To eliminate single points of failure
What is a key consideration for security infrastructure in a big data environment?
Data encryption
Who should have access to data in a big data environment?
Legitimate users with business needs
Why is it important to align security requirements with business needs?
To meet specific business needs
What is the primary benefit of having redundant resources in a big data infrastructure?
Elimination of single points of failure
What is a key principle of a resilient system?
Sufficient redundant resources
What type of data is typically queried using SQL?
Structured data
What is the primary purpose of ACID properties in a database?
To ensure reliable processing of database transactions
What happens to a transaction if any part of it fails in an atomic system?
The entire transaction fails
What does the consistency property of ACID ensure?
Only valid transactions are performed on the database
What is the primary benefit of the isolation property of ACID?
Multiple transactions do not interfere with each other
What is the result of a transaction once it is written to the database with the durability property of ACID?
The data stays there 'forever'
What is the primary purpose of installing a hypervisor on a physical machine?
To create multiple virtual platforms on a physical machine
What is the term used to describe the virtual platforms created by the hypervisor?
Virtual hardware
What is the primary benefit of virtualization in terms of resource utilization?
It substantially improves the utilization of physical resources
What is the term used to describe the operating system installed on a virtual machine?
Guest OS
What is the primary reason to implement virtualization in terms of workload processing?
To improve the performance and efficiency of processing of a diverse mix of workloads
What is the term used to describe the software component that creates and manages virtual machines?
Hypervisor
What is the primary benefit of data and storage virtualization in Big Data applications?
Easier and less costly storage and retrieval
What is the primary function of a hypervisor in a virtualized environment?
To ensure dynamic resource sharing in an orderly and repeatable way
What is the key concept in Big Data that enables virtualization of IT resources and services?
Abstraction
What is the difference between Type 1 and Type 2 hypervisors?
Type 1 hypervisors run directly on the hardware platform, while Type 2 hypervisors run on a host operating system
What is the benefit of abstraction in Big Data environments?
It allows developers to focus on the logic of the application without worrying about the underlying infrastructure
What is the term for the process of combining physical storage resources to make them more effectively shared?
Storage virtualization
What is one of the benefits of abstraction in the IaaS delivery model of cloud computing?
To hide details and provide specific information to users
What is one of the benefits of virtualization in a Big Data environment?
To enable tackling larger problems that have not yet been scoped
What is a benefit of virtualization for MapReduce tasks?
Each one of the Map and Reduce tasks needs to be executed independently
What is a benefit of cloud computing?
Users only need to be concerned with the computing service being asked for
What is a benefit of virtualization in terms of resource utilization?
Virtualization increases the utilization of assets into generic pools of resources
What is a benefit of virtualization in terms of security?
Virtualization eliminates the risks of system failure
Learn about the principle considerations of building a resilient and redundant physical infrastructure for Big Data (BD) implementations. Understand how to eliminate single points of failure and ensure high availability.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
