Recent years have seen the swift development and deployment of Internet-of-Things (IoT) applications in a variety of application domains. In this scenario, people worldwide are now ready to delight the benefits of the Internet of Things (IoT). The IoT is emerging as the third wave in the evolution of the Internet. The 1990s’ Internet wave connected 1.2 billion subscribers while the 2000s’ mobile wave connected another 2.4 billion. Actually, IoT is expected to consist of more than 84 billion connected devices generating 186 zettabyte of data by 2025, in the opinion of IDC. It includes major types of networks, such as distributed, ubiquitous, grid, and vehicular, these have conquered the world of information technology over a decade. IoT is growing fast across several industry verticals along with increases in the number of interconnected devices and diversify of IoT applications. In spite of the fact that, IoT technologies are not reaching maturity yet and there are many challenges to overcome. The Internet of Things combines actual and virtual anywhere and anytime, fascinate the attention of both constructor and hacker. Necessarily, leaving the devices without human interference for a long period could lead to theft and IoT incorporates many such things. In this paper, we are briefly discussing technological perspective of Internet of Things security. Because, the protection was a major concern when just two devices were coupled. In this context, security is the most significant of them. Today scenario, there are millions of connected devices and billions of sensors and their numbers are growing. All of them are expected secure and reliable connectivity. Consequently, companies and organizations adopting IoT technologies require well-designed security IoT architectures.
Organizations use corporate portals to share, save, and retrieve knowledge for all of their clients, partners, employees, and suppliers. Corporate portals help businesses become more inventive and competitive. E-Portals are created using web and internet technologies and are accessed by a web browser on a computer system to contribute, retrieve, or update knowledge. This essay examines the effects of e-portals, a novel method of connecting to business systems via smartphones, laptops, and personal computers, on customer satisfaction. This study demonstrates how E-portals are increasingly useful resources for both businesses and their clients. According to a questionnaire distributed to the clients, they also found the E-portal to be very user-friendly for information access and that it provided all the support they required when making restaurant reservations.
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