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What Are the Advantages and Disadvantages of Cloud Computing?

Cloud services are the needs of businesses and industries of all sizes and geographies. The number of respondents adopting cloud in both public and private has increased manifolds. According to a report by Dell, the companies that invest in cloud, mobility, and big data enjoy up to 53% faster revenue growth than their counterparts. More and more organizations are adopting cloud technology to run the business effectively, to serve their customers in a better way and to overall increase their margin of profit.Benefits of Cloud ComputingHere is the detailed list of various benefits offered by cloud computing:Cost-effective: The cost of hardware and equipment is low and these services are free from capital expenditure. The organizations need not have large IT teams to handle and maintain the cloud data centre operations. The maintenance cost is also low and the occurrence of downtime is also less which means the organizations need not spend a huge amount of money for fixing potential issues. Cloud computing works on the principle of pay-as-you-go, which means you need to pay money only for the services that you use, and you need not invest in additional features that do not serve you. Companies need to pay for servers and infrastructure as and when needed. More services can be commissioned for times of need and the services not being used can be de-provisioned. This further cuts down the expenditure. Owing to the ROI of these technologies, the return is much higher than the costs.Scalability: Using a cloud service provides companies with an option to scale up or down their IT departments according to their business needs and requirements. You can upgrade the capacity of your cloud without investing in physical infrastructure. Hence these services are ideal for companies with volatile bandwidth demands. The cloud computing service provider handles the expensive upgrades and their installations. The scalability provided by these services reduces the risks with operational failures and maintenance. This also leads to time-effective solutions as most of the complicated tasks are handled by your cloud service providers. Hence the demands are in alignment with the workloads. An example of the scalability feature of cloud computing is in sales promotion; the capacity can be scaled when the sales promotion is very popular, and when the sale is over, the capacity can be cut down to reduce the cost.Mobility: For more and better inclusion, cloud services are easily accessible on smartphones and mobile devices. According to a report, over 2.6 billion smartphones are being used around the world for cloud services. It is also beneficial for people staying away from their corporate offices, as they can easily access these services from their point of convenience and keep themselves updated with the clients and their work. Most of the cloud providers offer 24*7 services with an uptime of 99.9%. Even some of the functions are available offline as well, which is highly convenient for the workers and they can access the services from anywhere at any time. Adding to this, all the upgrades and updates are done automatically by the service providers further cutting down the IT costs.Data security: Data security is a concern for many organizations while adopting cloud-based services. With the increased rate of data theft in organizations, it becomes a priority to secure data, files, and downloads. Cloud services provide encryption of data being shared over multiple networks and data that are stored in the database. The data can be easily restored if something goes down with your device. The data can be deleted from other locations to avoid falling in the wrong hands. Cloud storage providers implement baseline protections for their platforms and the data they process, such as authentication, access control, and encryption.Disaster recovery: The control system to deal with any situation is a deciding factor for the success of any business. Though many measures are taken to prepare for potential risks that might occur, there are situations that go out of control. A downtime of small duration can severely affect your revenue. Apart from this, data loss is a major concern for all organizations. The data stored in the cloud can be easily restored and recovered even when your physical system goes down. Cloud-based services provide quick and effective data recovery from most of the potential emergency conditions like power outages and natural disasters.Automatic updates: Your system will be regularly updated by your cloud computing service provider. Hence this saves the trouble of waiting for the system updated to get installed. This also saves the efforts of the IT department to keep a check on the new updates being introduced and install them. Immediate upgrades put new features and functionality provided automatically into workers’ control to make them more productive. Software enhancements are typically released quite frequently unlike the homegrown or purchased software that might have major new releases only once a year or so and take significant time to roll out.Enhanced collaboration: For businesses operating with a large number of employees, collaboration among them is a priority. Cloud computing facilitates this process. The members of a team can easily and securely view and share the data across a cloud-based platform. To enhance the engagement of the employees, some of these services provide social spaces to connect the employees. The cloud services authorize a diverse group of people virtually and allow them to share information through shared storage. If you are working on a project that is spread across different locations, you could use cloud computing to give employees, clients and third parties access to the same files. You could also choose from the different cloud computing models to make it easy for you to share your records with your managers and higher authority.Disadvantages of cloud computing:Every technology has a positive and a negative side and both must be considered before adopting it. Though cloud computing is a huge success and it boasts of many reliable features, but there are some factors that might create a problem for your company. Here, we discuss some of the downsides of cloud computing and how it affects the organizations:Downtime: Good internet connectivity is a must in cloud computing. The cloud computing service provider may face power outage, internet connectivity loss, or service maintenance that might affect your process. If your internet speed is slow, it might affect the process adversely, since most of the services are online. Other than the internet, there is no other way to access data on the cloud, so there is a lot of dependency on internet connectivity. You must have a reliable and consistent internet service to operate smoothly with the cloud. Lower bandwidth: Many cloud service providers limit the bandwidth range of usage. If the need occurs to expand the bandwidth, then it might increase the cost.Limited control: Cloud services are completely managed and owned by service providers operating remotely. Hence the employees have limited control over backend features.Security threat in the cloud: Since all of your data is available online with the cloud, it increases the possibility of data theft. You should be well aware of the fact that all your company's sensitive information is being shared with a third-party cloud computing service provider. Thus it should be trustworthy enough since hackers might have accessed this information. Though the cloud computing vendors ensures that their services have sophisticated data security systems, but there have been many occurrences of data breaches via hacking, a disgruntled employee, or careless username/password security.Vendor lock-in: Your company might face some serious challenges while migrating from one cloud computing vendor to another. It might lead to configuration complexities, support issues, and hence additional charges.We hope that this article gave you a clear understanding of how AWS services work. You can understand how cloud computing works by making yourself familiar with these services. To learn more about AWS Certification, you can check out the other blogs and the certification course by KnowledgeHut.

What Are the Advantages and Disadvantages of Cloud Computing?

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  • by Joydip Kumar
  • 06th Sep, 2019
  • Last updated on 11th Mar, 2021
  • 10 mins read
What Are the Advantages and Disadvantages of Cloud Computing?

Cloud services are the needs of businesses and industries of all sizes and geographies. The number of respondents adopting cloud in both public and private has increased manifolds. According to a report by Dell, the companies that invest in cloud, mobility, and big data enjoy up to 53% faster revenue growth than their counterparts. More and more organizations are adopting cloud technology to run the business effectively, to serve their customers in a better way and to overall increase their margin of profit.

Benefits of Cloud Computing

Benefits of Cloud Computing

Here is the detailed list of various benefits offered by cloud computing:

  1. Cost-effective: The cost of hardware and equipment is low and these services are free from capital expenditure. The organizations need not have large IT teams to handle and maintain the cloud data centre operations. The maintenance cost is also low and the occurrence of downtime is also less which means the organizations need not spend a huge amount of money for fixing potential issues. Cloud computing works on the principle of pay-as-you-go, which means you need to pay money only for the services that you use, and you need not invest in additional features that do not serve you. Companies need to pay for servers and infrastructure as and when needed. More services can be commissioned for times of need and the services not being used can be de-provisioned. This further cuts down the expenditure. Owing to the ROI of these technologies, the return is much higher than the costs.
  2. Scalability: Using a cloud service provides companies with an option to scale up or down their IT departments according to their business needs and requirements. You can upgrade the capacity of your cloud without investing in physical infrastructure. Hence these services are ideal for companies with volatile bandwidth demands. The cloud computing service provider handles the expensive upgrades and their installations. The scalability provided by these services reduces the risks with operational failures and maintenance. This also leads to time-effective solutions as most of the complicated tasks are handled by your cloud service providers. Hence the demands are in alignment with the workloads. An example of the scalability feature of cloud computing is in sales promotion; the capacity can be scaled when the sales promotion is very popular, and when the sale is over, the capacity can be cut down to reduce the cost.
  3. Mobility: For more and better inclusion, cloud services are easily accessible on smartphones and mobile devices. According to a report, over 2.6 billion smartphones are being used around the world for cloud services. It is also beneficial for people staying away from their corporate offices, as they can easily access these services from their point of convenience and keep themselves updated with the clients and their work. Most of the cloud providers offer 24*7 services with an uptime of 99.9%. Even some of the functions are available offline as well, which is highly convenient for the workers and they can access the services from anywhere at any time. Adding to this, all the upgrades and updates are done automatically by the service providers further cutting down the IT costs.
  4. Data security: Data security is a concern for many organizations while adopting cloud-based services. With the increased rate of data theft in organizations, it becomes a priority to secure data, files, and downloads. Cloud services provide encryption of data being shared over multiple networks and data that are stored in the database. The data can be easily restored if something goes down with your device. The data can be deleted from other locations to avoid falling in the wrong hands. Cloud storage providers implement baseline protections for their platforms and the data they process, such as authentication, access control, and encryption.
  5. Disaster recovery: The control system to deal with any situation is a deciding factor for the success of any business. Though many measures are taken to prepare for potential risks that might occur, there are situations that go out of control. A downtime of small duration can severely affect your revenue. Apart from this, data loss is a major concern for all organizations. The data stored in the cloud can be easily restored and recovered even when your physical system goes down. Cloud-based services provide quick and effective data recovery from most of the potential emergency conditions like power outages and natural disasters.
  6. Automatic updates: Your system will be regularly updated by your cloud computing service provider. Hence this saves the trouble of waiting for the system updated to get installed. This also saves the efforts of the IT department to keep a check on the new updates being introduced and install them. Immediate upgrades put new features and functionality provided automatically into workers’ control to make them more productive. Software enhancements are typically released quite frequently unlike the homegrown or purchased software that might have major new releases only once a year or so and take significant time to roll out.
  7. Enhanced collaboration: For businesses operating with a large number of employees, collaboration among them is a priority. Cloud computing facilitates this process. The members of a team can easily and securely view and share the data across a cloud-based platform. To enhance the engagement of the employees, some of these services provide social spaces to connect the employees. The cloud services authorize a diverse group of people virtually and allow them to share information through shared storage. If you are working on a project that is spread across different locations, you could use cloud computing to give employees, clients and third parties access to the same files. You could also choose from the different cloud computing models to make it easy for you to share your records with your managers and higher authority.

Disadvantages of cloud computing:

Disadvantages of cloud computing

Every technology has a positive and a negative side and both must be considered before adopting it. Though cloud computing is a huge success and it boasts of many reliable features, but there are some factors that might create a problem for your company. Here, we discuss some of the downsides of cloud computing and how it affects the organizations:

  1. Downtime: Good internet connectivity is a must in cloud computing. The cloud computing service provider may face power outage, internet connectivity loss, or service maintenance that might affect your process. If your internet speed is slow, it might affect the process adversely, since most of the services are online. Other than the internet, there is no other way to access data on the cloud, so there is a lot of dependency on internet connectivity. You must have a reliable and consistent internet service to operate smoothly with the cloud. 
  2. Lower bandwidth: Many cloud service providers limit the bandwidth range of usage. If the need occurs to expand the bandwidth, then it might increase the cost.
  3. Limited control: Cloud services are completely managed and owned by service providers operating remotely. Hence the employees have limited control over backend features.
  4. Security threat in the cloud: Since all of your data is available online with the cloud, it increases the possibility of data theft. You should be well aware of the fact that all your company's sensitive information is being shared with a third-party cloud computing service provider. Thus it should be trustworthy enough since hackers might have accessed this information. Though the cloud computing vendors ensures that their services have sophisticated data security systems, but there have been many occurrences of data breaches via hacking, a disgruntled employee, or careless username/password security.
  5. Vendor lock-in: Your company might face some serious challenges while migrating from one cloud computing vendor to another. It might lead to configuration complexities, support issues, and hence additional charges.

We hope that this article gave you a clear understanding of how AWS services work. You can understand how cloud computing works by making yourself familiar with these services. To learn more about AWS Certification, you can check out the other blogs and the certification course by KnowledgeHut.

Joydip

Joydip Kumar

Solution Architect

Joydip is passionate about building cloud-based applications and has been providing solutions to various multinational clients. Being a java programmer and an AWS certified cloud architect, he loves to design, develop, and integrate solutions. Amidst his busy work schedule, Joydip loves to spend time on writing blogs and contributing to the opensource community.


Website : https://geeks18.com/

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A Glimpse Of The Major Leading SAFe® Versions

A Quick view of SAFe® Agile has gained popularity in recent years, and with good reason. Teams love this approach that allows them to get a value to the customer faster while learning and adjusting to change as needed. But teams often don’t work in isolation. Many teams work in the context of larger organizations.  Often Agile doesn’t fit their needs. Some teams need an Agile approach that scales to larger projects that involve multiple teams.   It’s possible to do this. That’s where the Scaled Agile Framework, or SAFe®, can help.Why SAFe® is the best scalable framework?The Scaled Agile Framework is a structured Agile approach for large enterprises. It’s prescriptive and provides a path for interdependent teams to gain the benefits of using an Agile approach.Scaled Agile provides guidance not only at the team level but also at the Program and Portfolio levels. It also has built-in coordinated planning across related teams who are working in Release Trains.These planning increments allow teams to plan together to work with customers and release value frequently in a way that’s sustainable to teams.And it supports continuous improvement.It’s a great way for large companies to maintain structure and roll out Agile at a large scale.  What is SAFe® 4.5? Scaled Agile, otherwise known as SAFe®, was initially released in 2011 by Dean Leffingwell as a knowledge base for enterprises to adopt Agile. Over the years it has grown and evolved. SAFe® 4.5 was released on June 22, 2017, to accommodate improvements to the framework. Following are some of the key improvements in SAFe® 4.5:Essential SAFe® and ConfigurabilityInnovation with Lean Startup and Lean UXScalable DevOps and Continuous DeliveryImplementation roadmapBenefits of SAFe® 4.5 to companies:Organizations who adopt SAFe® 4.5 will be able to gain the following benefits:1) Test ideas more quickly. SAFe® 4.5 has a build-in iterative development and testing. This lets teams get faster feedback to learn and adjust more quickly.2) Deliver much faster. The changes to SAFe® 4.5 allow teams to move complex work through the pipeline and deliver value to the customer faster.3) Simplify governance and improve portfolio performance. Guidance and support have been added at the Portfolio level to guide organizations in addressing Portfolio-level concerns in a scaled agile context. SAFe® 4.5 - Key areas of improvements:A. Essential SAFe® and ConfigurabilityFour configurations of SAFe® that provide a more configurable and scalable approach:Essential SAFe®: The most basic level that teams can use. It contains just the essentials that a team needs to get the benefits of SAFe®.Portfolio SAFe®: For enterprises that implement multiple solutions that have portfolio responsibilities such as governance, strategy, and portfolio funding.Large Solution: Complex solutions that involve multiple Agile Release Trains. These initiatives don’t require Portfolio concerns, but only include the Large Solution and Essential SAFe® elements.  SAFe® Full SAFe®: The most comprehensive level that can be applied to huge enterprise initiatives requiring hundreds of people to complete.Because SAFe® is a framework, that provides the flexibility to choose the level of SAFe® that best fits your organization’s needs.B. Innovation with Lean Startup and Lean UXRather than creating an entire project plan up-front, SAFe® teams focus on features. They create a hypothesis about what a new feature will deliver and then use an iterative approach to develop and test their hypothesis along the way. As teams move forward through development, they perform this development and test approach repeatedly and adjust as needed, based on feedback. Teams also work closely with end users to identify the Minimum Viable Product (MVP) to focus on first. They identify what will be most valuable to the customer most immediately. Then they rely on feedback and learning as they develop the solution incrementally. They adjust as needed to incorporate what they’ve learned into the features. This collaboration and fast feedback and adjustment cycle result in a more successful product.  C. Scalable DevOps & Continuous DeliveryThe addition of a greater focus on DevOps allows teams to innovate faster. 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A Glimpse Of The Major Leading SAFe® Versions

A Quick view of SAFe® Agile has gained popularit... Read More

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Business Transformation through Enterprise Cloud Computing

The Cloud Best Practices Network is an industry solutions groups and best practices catalogue of how-to information for Cloud Computing. While we cover all aspects of the technology our primary goal is to explain the enabling relationship between this new IT trend and business transformation, where our materials include: Core Competencies – The mix of new skills and technologies required to successfully implement new Cloud-based IT applications. Reference Documents – The core articles that define what Cloud Computing is and what the best practices are for implementation, predominately referring to the NIST schedule of information. Case studies – Best practices derived from analysis of pioneer adopters, such as the State of Michigan and their ‘MiCloud‘ framework . Read this article ‘Make MiCloud Your Cloud‘ as an introduction to the Cloud & business transformation capability. e-Guides – These package up collections of best practice resources directed towards a particular topic or industry. For example our GovCloud.info site specializes in Cloud Computing for the public sector. White papers – Educational documents from vendors and other experts, such as the IT Value mapping paper from VMware. Core competencies The mix of new skills and technologies required to successfully implement new Cloud-based IT applications, and also the new capabilities that these platforms make possible: Virtualization Cloud Identity and Security – Cloud Privacy Cloud 2.0 Cloud Configuration Management Cloud Migration Management DevOps Cloud BCP ITaaS Procurement Cloud Identity and Security Cloud Identity and Security best practices (CloudIDSec) provides a comprehensive framework for ensuring the safe and compliant use of Cloud systems. This is achieved through combining a focus on the core references for Cloud Security, the Cloud Security Alliance, with those of Cloud Identity best practices: IDaaS – Identity Management 2.0 Federated Identity Ecosystems Cloud Privacy A common critcal focus area for Cloud computing is data privacy, particularly with regards to the international aspects of Cloud hosting. Cloud Privacy refers to the combination of technologies and legal frameworks to ensure privacy of personal information held in Cloud systems, and a ‘Cloud Privacy-by-Design’ process can then be used to identify the local legislated privacy requirements of information. Tools for designing these types of privacy controls have been developed by global privacy experts, such as Ann Cavoukian, the current Privacy Commissioner for Ontario, who provides tools to design and build these federated privacy systems. The Privacy by Design Cloud Computing Architecture (26-page PDF) document provides a base reference for how to combine traditional PIAs (Privacy Impact Assessments) with Cloud Computing. As this Privacy Framework presentation then explains these regulatory mechanisms that Kantara enables can then provide the foundations for securing the information in a manner that encompasses all the legacy, privacy and technical requirements needed to ensure it is suitable for e-Government scenarios. This then enables it to achieve compliance with the Cloud Privacy recommendations put forward by global privacy experts, such as Ann Cavoukian, the current Privacy Commissioner for Ontario, who stipulates a range of ‘Cloud Privacy By Design‘ best practices Cloud 2.0 Cloud is as much a business model as it is a technology, and this model is best described through the term ‘Cloud 2.0′. As the saying goes a picture tells a thousand words, and as described by this one Cloud 2.0 represents the intersection between social media, Cloud computing and Crowdsourcing. The Social Cloud In short it marries the emergent new online world of Twitter, Linkedin et al, and the technologies that are powering them, with the traditional, back-end world of mainframe systems, mini-computers and all other shapes and sizes of legacy data-centre. “Socializing” these applications means moving them ‘into the Cloud’, in the sense of connecting them into this social data world, as much as it does means virtualizing the application to run on new hardware. This a simple but really powerful mix, that can act as a catalyst for an exciting new level of business process capability. It can provide a platform for modernizing business processes in a significant and highly innovative manner, a breath of fresh air that many government agency programs are crying out for. Government agencies operate many older technology platforms for many of their services, making it difficult to amend them for new ways of working and in particular connecting them to the web for self-service options. Crowdsourcing Social media encourages better collaboration between users and information, and tools for open data and back-end legacy integrations can pull the transactional systems informtion needed to make this functional and valuable. Crowdsourcing is: a distributed problem-solving and production process that involves outsourcing tasks to a network of people, also known as the crowd. Although not a component of the technologies of Cloud Computing, Crowdsourcing is a fundamental concept inherent to the success of the Cloud 2.0 model. The commercial success of migration to Cloud Computing will be amplified when there is a strong focus on the new Web 2.0 type business models that the technology is ideal for enabling. Case study – Peer to Patent One such example is the Whitehouse project the Peer to the Patent portal, a headline example of Open Government, led by one its keynote experts Beth Noveck. This project illustrates the huge potential for business transformation that Cloud 2.0 offers. It’s not just about migrating data-center apps into a Cloud provider, connecting an existing IT system to a web interface or just publishing Open Data reporting data online, but rather utilizing the nature of the web to entirely re-invent the core process itself. It’s about moving the process into the Cloud. In this 40 page Harvard white paper Beth describes how the US Patent Office was building up a huge backlog of over one million patent applications due to a ‘closed’ approach where only staff from the USPTO could review, contribute and decide upon applications. To address this bottleneck she migrated the process to an online, Open version where contributors from across multiple organizations could help move an application through the process via open participation web site features. Peer to Patent is a headline example of the power of Open Government, because it demonstrates its about far more than simply publishing reporting information online in an open manner, so that they public can inspect data like procurement spending numbers. Rather it’s about changing the core decision-making processes entirely, reinventing how Government itself works from the inside out, reinventing it from a centralized hierarchical monolith to an agile, distributed peer to peer network. In essence it transforms the process from ‘closed’ to ‘open’, in terms of who and how others can participate, utilizing the best practice of ‘Open Innovation‘ to break the gridlock that had occured due the constraints caused by private, traditional ways of working. Open Grantmaking – Sharing Cloud Best Practices Beth has subsequently advised further on how these principles can be applied in general across Government. For example in this article on her own blog she describes ‘Open Grantmaking‘ – How the Peer To Patent crowdsourcing model might be applied to the workflows for government grant applications. She touches on what is the important factor about these new models, their ability to accelerate continual improvement within organizations through repeatedly sharing and refining best practices: “In practice, this means that if a community college wins a grant to create a videogame to teach how to install solar panels, everyone will have the benefit of that knowledge. They will be able to play the game for free. In addition, anyone can translate it into Spanish or Russian or use it as the basis to create a new game to teach how to do a home energy retrofit.” Beth describes how Open Grantmaking might be utilized to improve community investing in another blog, describing how OG would enable more transparency and related improvements. Cloud 2.0 As the underlying technology Cloud 2.0 caters for both the hosting of the software and also the social media 2.0 features that enable the cross-enterprise collaboration that Beth describes. Cloud Configuration Management CCM is the best practice for change and configuration management within Cloud environments, illustrated through vendors such as Evolven. Problem Statement One of the key goals and perceived benefits of Cloud computing is a simplified IT environment, a reduction of complexity through virtualizing applications into a single overall environment. However complexity actually increases.  Virtual Machines (VMs) encapsulate application and infrastructure configurations, they package up a combination of applications and their settings, obscuring this data from traditional configuration management tools. Furthermore the ease of self-service creation of VMs results in their widespread proliferation, and so actually the adoption of Cloud technologies creates a need for a new, extra dimension of systems management. This is called CCM, and incorporates: Release & Incident Management The increased complexity therefore increases the difficulties in trouble-shooting technical problems, and thus requires an updated set of tools and also updates to best practices like the use of ITIL procedures. ‘Release into Production’ is a particularly sensitive process within software teams, as major upgrades and patches are transitioned from test to live environments. Any number of configuration-related errors could cause the move to fail, and so CCM software delivers the core competency of being better able to respond quicker to identify and resolve these issues, reducing the MTTR significantly. DevOps DevOps is a set of principles, methods and practices for communication, collaboration and integration between software development and IT operations. Through the implementation of a shared Lean adoption program and QMS (Quality Management System) the two groups can better work together to minimize downtimes while improving the speed and quality of software development. It’s therefore directly linked to Business Agility. The higher the value of speed and quality = a faster ability to react to market changes, deploy new products and processes and in general adapt the organization, achieved through increasing the frequency of ‘Release Events’: It’s therefore directly linked to Business Agility. The higher the value of speed and quality = a faster ability to react to market changes, deploy new products and processes and in general adapt the organization, achieved through increasing the frequency of ‘Release Events’: ITaaS Procurement The fundamental shift that Cloud Computing represents is illustrated in one key implementation area:   Procurement. Moving to Cloud services means changing from a financial model for technology where you buy your own hardware and software, and pay for it up front, to an approach where instead you access it as a rental, utility service where you “PAYG – Pay As You Go”. To encompass all the different ‘as a Service’ models this is known at an overall level as ‘ITaaS’ – IT as a Service. Any type of IT can be virtualized and delivered via this Service model. Towards the end, I hope that you have gained a clear understanding of How Business Transforms Through Enterprise Cloud Computing. If this article has helped you clear your fundamentals and if you wish to learn more about Cloud computing by getting certified, then you can undertake the AWS certification course offered by KnowledgeHut.
Business Transformation through Enterprise Cloud C...

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