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The process of learning how to subnet IP addresses begins with understanding binary numbers and decimal conversions along with the basic structure of IPv4 addresses. This paper focuses on the mathematics of binary numbering and IP address structure.
ITIL® 4 Foundation Bridge is a new Global Knowledge course that addresses the specific needs of professionals who have already achieved the ITIL v3 Foundation certification and wish to upgrade to ITIL 4.
Business processes are complicated, and mapping them is not a trivial task. Modelling standards give us the tools to model complex processes, but they do not tell us the best way to approach a model or effectively use the tool. In this hour-long webinar, Global Knowledge instructor Rod Fage will guide you through the best way to develop a model, from determining the goal and scope of the process and measuring its effectiveness, to modelling the process in a hierarchical top-down approach, enabling business analyst to continuously validate the model.
This certification and exam guide discusses the various ITIL® certifications and what they might mean to you, your organization, and your career, as well as provide important test-taking tips for the ITIL certification exams. ITIL certifications help individuals validate their ability to demonstrate skills from a foundational to a mastery level of IT service management. ITIL certification can often be a key differentiator in the marketplace as well.
Answer the questions posed in our ITIL Decision Tree to see if you should pursue ITIL 4. It’s easy-to-follow and no matter how you answer, it will provide a distinct next step for your ITIL journey.
ITIL® is still recognised as the de facto standard in delivering end-to-end, holistic IT services. The 4th iteration retains ITIL’s place as one of the key tools at the disposal of organization’s seeking to manage digital transformations.
The ITIL 4 update is the first since 2011, and will address the new processes, vocabulary, and methods used in modern IT, including DevOps, Agile, and Lean IT development.
While cybersecurity remains the most popular certification category in our IT Skills and Salary Report, foundational-level certifications highlight our list of the most popular IT certifications of 2020.
The key difference between hubs, switches and bridges is that hubs operate at Layer 1 of the OSI model, while bridges and switches work with MAC addresses at Layer 2 of the OSI model.
Watch this recorded webinar to understand the basics of the Risk Management Framework (prescribed by NIST Standards) and how to begin to apply it.