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There are the following components of cloud computing architecture -
1. Client Infrastructure
Client Infrastructure is a Front end component. It provides GUI (Graphical User Interface)  to interact with the cloud.
2. Application
The application may be any software or platform that a client wants to access.
3. Service
A Cloud Services manages that which type of service you access according to the client’s requirement.
Cloud computing offers the following three type of services:
i. Software as a Service (SaaS) – It is also known as cloud application services. Mostly, SaaS applications run directly through the web browser means we do not require to download and install these applications. Some important example of SaaS is given below –
Example: Google Apps, Salesforce Dropbox, Slack, Hubspot, Cisco WebEx.

What is communication (and what isn’t it)?
The P21 framework emphasizes effective use of oral, written, and nonverbal communication skills for multiple purposes (e.g., to inform, instruct, motivate, persuade, and share ideas). It also focuses on effective listening, using technology to communicate, and being able to evaluate the effectiveness of communication efforts—all within diverse contexts (adapted from P21). Note that working in partners is a great way to collaborate or build shared understanding but a critical part of communication is sharing with an authentic audience.
Example strategies that use technology to support communication in the classroom:

Host a TED-style conference or showcases for your students to present original ideas on a topic of interest to them to an authentic, external audience. Record and post the videos to a youtube stream.

Virtualization plays a very important role in the cloud computing technology, normally in the cloud computing, users share the data present in the clouds like application, etc, but actually with the help of virtualization users shares the Infrastructure.
The main usage of Virtualization Technology is to provide the applications with the standard versions to their cloud users, suppose if the next version of that application is released, then cloud provider has to provide the latest version to their cloud users and practically it is possible because it is more expensive.
To overcome this problem we use basically virtualization technology, By using virtualization, all severs and the software application which is required by other cloud providers are maintained by third party people, and the cloud providers have to pay the money on a monthly or annual basis.

Ref: https://microcredentials.digitalpromise.org/explore/communication-to-support-student-learning-in-a-dig
Educator provides evidence of their understanding of communication and outlines and provides evidence of a lesson that uses technology to support students’ use of communication in learning.
Method Components
What are the 4Cs?
The 4Cs for 21st century learning are Creativity, Critical Thinking, Communication, and Collaboration. They are part of the framework for 21st Century Learning and are designed to support student learning in today’s world and are skills they can use in college and career.

The term cloud refers to a network or the internet. It is a technology that uses remote servers on the internet to store, manage, and access data online rather than local drives. The data can be anything such as files, images, documents, audio, video, and more.
There are the following operations that we can do using cloud computing:

Developing new applications and services
Storage, back up, and recovery of data
Hosting blogs and websites
Delivery of software on demand
Analysis of data
Streaming videos and audios

Uses of Data Virtualization
There are the following uses of Data Virtualization -
1. Analyze performance
Data virtualization is used to analyze the performance of the organization compared to previous years.
2. Search and discover interrelated data
Data Virtualization (DV) provides a mechanism to easily search the data which is similar and internally related to each other.
3. Agile Business Intelligence
It is one of the most common uses of Data Virtualization. It is used in agile reporting, real-time dashboards that require timely aggregation, analyze and present the relevant data from multiple resources. Both individuals and managers use this to monitor performance, which helps to make daily operational decision processes such as sales, support, finance, logistics, legal, and compliance.
4. Data Management
Data virtualization provides a secure centralized layer to search, discover, and govern the unified data and its relationships.
Data Virtualization Tools
There are the following Data Virtualization tools -
1. Red Hat JBoss data virtualization
Red Hat virtualization is the best choice for developers and those who are using micro services and containers. It is written in Java.
2. TIBCO data virtualization
TIBCO helps administrators and users to create a data virtualization platform for accessing the multiple data sources and data sets. It provides a builtin transformation engine to combine non-relational and un-structured data sources.
3. Oracle data service integrator
It is a very popular and powerful data integrator tool which is mainly worked with Oracle products. It allows organizations to quickly develop and manage data services to access a single view of data.
4. SAS Federation Server
SAS Federation Server provides various technologies such as scalable, multi-user, and standards-based data access to access data from multiple data services. It mainly focuses on securing data.
5. Denodo
Denodo is one of the best data virtualization tools which allows organizations to minimize the network traffic load and improve response time for large data sets. It is suitable for both small as well as large organizations.
Industries that use Data Virtualization

Communication & TechnologyIn Communication & Technology industry, data virtualization is used to increase revenue per customer, create a real-time ODS for marketing, manage customers, improve customer insights, and optimize customer care, etc.
FinanceIn the field of finance, DV is used to improve trade reconciliation, empowering data democracy, addressing data complexity, and managing fixed-risk income.
GovernmentIn the government sector, DV is used for protecting the environment.
HealthcareData virtualization plays a very important role in the field of healthcare. In healthcare, DV helps to improve patient care, drive new product innovation, accelerating M&A synergies, and provide a more efficient claims analysis.
ManufacturingIn manufacturing industry, data virtualization is used to optimize a global supply chain, optimize factories, and improve IT assets utilization.

 

Search engine optimization is the process of improving the quality and quantity of website traffic to a website or a web page from search engines. SEO targets unpaid traffic rather than direct traffic or paid traffic.
How do search engines work?
Search engines work through three primary functions:

Crawling: Scour the Internet for content, looking over the code/content for each URL they find.
Indexing: Store and organize the content found during the crawling process. Once a page is in the index, it’s in the running to be displayed as a result of relevant queries.
Ranking: Provide the pieces of content that will best answer a searcher's query, which means that results are ordered from most relevant to least relevant.

REF: https://www.servicefutures.com/benefits-challenges-virtual-working-uncovered
Virtual Working is on the rise and towards 2020 even more employees will demand flexibility in where and how they work. But which benefits and challenges does this bring to the workplace?

The ISS 2020 Vision: New Ways of Working – the workplace of the future respondents believe that virtual working will have the single greatest influence on office design, and the way we manage workplaces.

Unlike anything else, virtual working allows companies to offer their employees more flexibility and give them more control over their daily schedule. On the flip side of the coin research shows that managers are ill-prepared to manage virtual workers and struggle with coordinating remote employees.
So, is virtual working the right way to go for your business? We’ve listed the most important benefits and challenges associated with Virtual Working in our infographic below.