Resource Library

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.

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.

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.

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.

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

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

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.

Business is changing rapidly and Information Technology is at the centre of the trends: mobile, social, cloud and big data,. Forward thinking IT functions must develop and manage the skills of their most critical asset-- their employees. Effective professional development can guard against the pace of change, leading IT units to re-define job roles to include both technical and non-technical competencies and to establish business processes to help their staff develop and maintain these skills. This session will present the components of a holistic process to support learning and development in any IT organization.

Instructor John Harmon explains subnetting using binary numbers and decimal conversions.

Global Knowledge Senior Business Skills instructor Samuel Brown covers tips for preparing and practicing for the PMP exam.