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A03 (3.2 (virtualisation (Server virtualisation - Server virtualization is…
A03
3.2
virtualisation
Server virtualisation - Server virtualization is a process that creates multiple virtual instances on a single server.
Desktop virtualization, often called client virtualization, is a virtualization technology used to separate a computer desktop environment from the physical computer.
Storage virtualization is a physical storage from multiple storage devices into what appears to be a single storage device.
Cloud storage -
Cloud storage is a model of computer data storage in which the digital data is stored in logical pools. The physical storage spans multiple servers, and the physical environment is typically owned and managed by a hosting company.
Hybrid storage - Hybrid cloud storage is an approach to managing cloud storage that uses both local and off-site resources. The hybrid cloud storage infrastructure is often used to supplement internal data storage with public cloud storage.
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3.5
Business systmes
MIS - A management information system (MIS) is an information system used for decision-making, and for the coordination, control, analysis, and visualization of information in an organization.
CRM - CRM stands for Customer Relationship Management. It's a technology used to manage i i interactions with customers and potential customers.
SOP - A standard operating procedure is a set of step-by-step instructions compiled by an organization to help workers carry out complex routine operations
Helpdesk - A help desk is a resource intended to provide the customer or internal user with information and support related to a company's processes, products and services.
3.4
Connectivity methods
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Simplex - Simplex communication is a communication channel that sends information in one direction only.
Half duplex - A duplex communication system is a point-to-point system composed of two or more connected parties or devices that can communicate with one another in both directions.
3.1
Types of server
file -
a device which controls access to separately stored files, as part of a multi-user system.
print -
A print server, or printer server, is a device that connects printers to client computers over a network.
web -
A Web server is a program that uses HTTP (Hypertext Transfer Protocol) to serve the files that form Web
mail -
A mail server (or email server) is a computer system that sends and receives email.Mail servers send and receive email using standard email protocols.
hypervisor -
A hypervisor is a hardware virtualization technique that allows multiple guest operating systems (OS) to run on a single host system at the same time
database - A Database Server is a computer in a LAN that is dedicated to database storage and retrieval.
application -
An application server is a software framework that provides both facilities to create web applications and a server environment to run them
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