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Subnetting Made Easy - Part 2

Video | Oct. 10, 2013

Instructor John Harmon continues his explanation of subnetting by showing how subnet masks can be used to sub-divide networks.

Wireless LAN Channels

Video | Oct. 10, 2013

There are several Wireless LAN Standards, including b, g, and n, which exist in the 2.4 GHz band. These standards need around 20 MHz of radio frequency in order to transmit their signals. In this video, Ben Miller discusses how to pick access points and channels for optimal performance.

When is a TCP SYN not a SYN?

Article | Oct. 07, 2013

Answer? When it is flagged as a retransmission in Wireshark!

Getting There Faster - Accelerating Leadership Development

Webinar – Recorded | Oct. 01, 2013

How can leaders and Human Resources professionals use effective, simple and research-based talent management practices to contribute to their organization's success? Too many leadership development theories provide complex and confusing answers. Join Jocelyn Bérard as he shares the core practices introduced in his new book, Accelerating Leadership Development, which reflects his extensive research and years of experience in making leadership development uncomplicated and practical.

How MIMO Cuts Data Transmission in Half

Video | Sep. 12, 2013

The driver behind 802.11n is MIMO, or multiple input multiple output. This video explains how MIMO works to double your channel speed by sending two or more data streams over the same channel.

Why Network Administrator is the Hot IT Job of the Future

Article | Aug. 23, 2013

Are you at a crossroads professionally or looking to start training for a new job? If so, you might want to consider pursuing network administration as a career. Network administrators are responsible for maintaining computer hardware and software systems that make up a computer network, including maintaining and monitoring active data networks, converged infrastructure networks, and related network equipment.

Understanding Networking Fundamentals

Video | Aug. 22, 2013

Global Knowledge Product Manager Tori Easterly discusses the benefits of our Understanding Networking Fundamentals course.

What Is Multiplexing?

Article | Aug. 22, 2013

Multiplexing is the technology that is able to combine multiple communication signals together in order for them to traverse an otherwise single signal communication medium simultaneously. Multiplexing can be applied to both analog and digital signals. A benefit of using multiplexing, or muxing, is reducing the physical hardware cost for expensive dedicated network communication segments, such as copper or fiber cables.

SIP and the Art of Converged Communications

White Paper | June 18, 2013

Session Initiation Protocol (SIP) is an internet signaling protocol, developed by the IETF (starting in 1996), for establishing, maintaining, and tearing down sessions between a variety of real-time media, including voice, video, and chat. SIP allows endpoints to locate other endpoints, whether stationary or mobile. SIP doesn't have to worry about transporting voice or video as Real Time Transport Protocol (RTP) takes care of that. It also relies on Session Description Protocol (SDP) to negotiate capabilities and codecs. SIP does not provide a Directory Service or Authentication, but it does work with services such as LDAP or RADIUS. SIP is only concerned with signaling. This white paper is going to look at the way SIP is used in the converged Unified Communications environment.

New Paths to Learning: Emerging Trends in Learning and Development

Webinar – Recorded | May 30, 2013

Business complexity, technology innovation and a new understanding of how we learn at work are causing the learning profession to re-think how they develop and sustain human performance and behaviour change. As a result new methods and approaches are emerging that promise to change the landscape of learning and development meeting in the coming years. This session will provide an opportunity to learn about the following trends and their application.