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While Apple has created many fine things, they were yet to be created themselves when Xerox PARC scientists created Media Access Control addresses. These MAC addresses are 48 bits or 6 bytes long, so they are also known as MAC-48 or EUI-48. EUI stands for Extended Unique Identifier. It is written in hexadecimal characters as shown below:

Wi-Fi networks have been misunderstood by much of the IT community since their inception. Even the reasons for this misunderstanding are kind of hard to understand. The result has been that myths about 802.11 (better known as Wi-Fi) networks have grown almost as fast as the technology itself. In this web seminar, we'll examine 11 common Wi-Fi myths and explore ways to use correct information to make your networks scalable, secure and satisfying for your users.

Though there are several sources for agile certifications, the Project Management Institute (PMI)® Agile Certified Practitioner (PMI-ACP)® has established itself as the world’s fastest growing agile credential. The PMI-ACP certification formally recognizes your knowledge of agile principles and your skill with agile techniques.

A local area network (LAN) provides a path of communication, allowing the delivery of packets of data, voice, or video originating from the sender (logical source address) to the receiver (logical destination address). Ethernet is the most common LAN used. As you start to learn about networking, remember that communication and the movement of large numbers, whether it is people, cars, mail, or network traffic, have a commonality. Everything you know and use in your daily life can be compared to the way traffic moves.

The OSI model is a conceptual tool used to discuss and describe network functions. The use of a standard reference model is essential to communicate ideas as well as create new technologies. It is a good idea to be familiar with the OSI model, the features assigned to each layer, and examples of common protocols or technologies associated with the OSI layers.

With the onset of the Digital Age, IT professionals today are hit with a tsunami of changes! "By 2018, adoption of mobile, social, cloud, analytics will redefine 90% of IT roles" according to IDC 2014 Predictions: CIO Agenda. Large organizations are eliminating silos. Small and medium organizations are outsourcing technology services. Digital natives have entered the workforce. New roles will emerge as new ways of doing business are introduced and as old technology fades away. Today's IT professionals must adapt, and a new set of skills is in order. Join Pranav Shah, Manager of Information Technology and Security at Sony Canada, and Pam Maguire, Business Development Manager, Global Knowledge, for a 60 minute webinar on how to future-proof your IT career in the Digital Age. You will learn about how IT roles are changing, what organizations are looking for, and what you can do now to be ready.

Nasser El-Batal will walk you through the most useful, recognized, and mandated ITSM best practices in the industry: TOGAF, COBIT and ITIL®. He will highlight the benefits of integrating them into a single implementation program to avoid project disaster. Discussions are focused on "Getting Your House in Order" and how to establish your own organization-specific business transformation program, while increasing your organization maturity.

You will learn how many organizations approach change management as compared to how best practices dictate that change management should work. Global Knowledge instructor and ITIL Expert Michael Scarborough will fill you in on the purpose of change management and the difference between change management and change tickets. He will provide a high-level guide for establishing a change management process that uses real-world examples as its basis.

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.

Whether you’re a beginner or intermediate Python developer, you’ll want to keep this guide close to your keyboard and Python editors. In it, you’ll find sample use cases for many of the most common language constructs and tasks that you’ll likely need to perform, such as reading a file or working with a database.