MISY 3310 Exam 2 questions and answers rated A+ 2023/2024

MISY 3310 Exam 2What is cloud computing? - correct answer A model of computing in which firms and individuals obtain computing resources over the internet Types of cloud computing: - correct answer -Multi-tenancy -Single-Tenancy -Cloud Fabric Multi-tenancy cloud computing: - correct answer The cloud means that a single instance of a system serves multiple customers Single-Tenancy Cloud Computing - correct answer Each customer or tenant must purchase and maintain an individual system Cloud Fabric - correct answer The software that makes possible the benefits of cloud computing, such as multi-tenancy Types of Service Cloud Computing Provide: - correct answer -Infrastructure as a service -Software as a service -Platform as a service Infrastructure as a service: - correct answer Offers computer hardware and networking equipment on a pay-per-use basis (Amazon EC2) Software as a service: - correct answer Offers applications on a pay-per-use basis () Platform as a service: - correct answer Offers hardware, networking, and applications on a pay-per-use basis (Google Application Engine) Foreign Key: - correct answer A primary key of one table that appears as an attribute in another file and acts to provide a logical relationship between the two files -typically a primary key of an entity it is related to -do not necessarily need to reference a primary key in a dif. table (only need reference a primary key) Primary Key: - correct answer A field (or group of fields) that uniquely identifies a given entity in a table -is important to define to be able to retrieve every single piece of data put into a database Grid Computing: - correct answer -a collection of computers, often geographically dispersed, that are coordinated to solve a common problem -power of geographically remote computers connected into single network to act as "virtual supercomputer" Characteristics support an agile MIS infrastructure: - correct answer -Accessibility -Availability -Maintainability -Portability -Reliability -Scalability -Usability Accessibility - correct answer Refers to the varying levels that define what a user can access, view, or perform when operating a system Availability - correct answer Time frames when the system is operational Maintainability - correct answer How quickly a system can transform to support environmental changes Portability - correct answer The ability of an application to operate on different devices or software platforms