IPSEC is the most popular form of VPN used today. It is important to understand how IPSEC works in order to troubleshoot issues with IPSEC tunnels. IPSEC is an end-to-end security scheme. This means that data is encrypted on one end and decrypted on the other end of the connection. IPsec uses ESP or AH for initial encryption ESP is the most...

       Starting with MySQL or Oracle is the initial step that most will suggest when you have your eyes set on becoming a database administrator. If you have any constraints that make attending regular classes difficult, you can learn SQL online. There are online courses for Oracle, too, that you can take at...

ITIL ITIL stands for Information Technology Infrastructure Library. It is a set of best practices for delivering IT services—it standardizes the selection, planning, delivery and support of IT services to maximize efficiency and maintain predictable levels of service. It has roots going back to the 1980s in the United Kingdom as a government...

AWS is a subsidiary of Amazon. AWS offers several services for cloud-based computing, storage, and networking, the two most prominent being Amazon Elastic Compute Cloud (EC2) and Amazon Simple Storage Service (S3). The company also provides database and analytics services, applications, developer tools, and much more. Just as Amazon is the...

        At first cloud computing and cybersecurity look like they are not related to each other. However, we can see that they are related and the reason behind it is that the first requires storing your data off-site and the second requires building virtual walls around it, protecting your data at all...

SMAC (social, mobile, analytics and cloud)      SMAC (social, mobile, analytics, and cloud) is the concept that the convergence of four technologies is currently driving business innovation.      SMAC is the basis for an ecosystem that enables a business to transition from e-business to...

     A data analyst is responsible for understanding the trends and insights that are revealed in massive data sets. Data analysts are often hired by companies to help inform decisions or improve business practices. This guide walks through the necessary steps to become a data analyst and contains a detailed job...

What is MSP? Managing Successful Programmes (MSP) is a methodology that comprises a set of principles and processes for use when managing a programme. A programme is made up of a specific set of projects identified by an organisation that together will deliver some defined objective, or set of objectives, for the organisation. The objectives,...

Why is data science important? Data science is a highly interdisciplinary practice involving a large scope of information and one that usually takes into account the big picture more than other analytical fields. In business, the goal of data science is to provide intelligence about consumers and campaigns and help companies create strong...

The one-sample t-test is used to determine whether a sample comes from a population with a specific mean. This population mean is not always known, but is sometimes hypothesized. For example, imagine that an academic was conducting research on the relationship between exam performance and revision time, but wanted to first check whether his...