Online Frequency-division eLearning

Cisco IUWNE 1 0 Wireless Antennae Spread Spectrum Technologies ...ing Direct Sequence Spread Spectrum (DSSS) and orthogonal frequency-division multiplexing (OFDM), as well as the various modulation types used with each. In addition, the issues linked to channel overlaps and channel reuse are explored. This course maps to the 640-721, Implementing Cisco Unified Wireless Networking Essentials (IUWNE), exam objectives for describing the basics of spread spectrum  more...

CCNT Basic Telecommunications v6 0 Part 1 The goal of this course is to present the learner with the fundamentals of telecommunications and to give a comprehensive introduction to analog and digital concepts. The course covers the history of telecommunications and looks at the structure of business systems (including station sets, PBX, key and hybrid systems, ISDN and broadband), CPE, and services (dedicated and switched). The course then  more...

CCNT Basic Data Communications v6 0 Part 3 ...ify key features of multiplexing. Identify features of Frequency-division multiplexing (FDM). Identify the features of Time-division multiplexing (TDM). Identify features of statistical multiplexing. Identify features of Wave Division Multiplexing (WDM). Identify advantages of a Synchronous Optical Network (SONET). Identify features of Synchronous Optical Network (SONET)  more...

CCNT Broadband Technologies v 6 0 Part 1 This course introduces broadband technologies and broadband categories and it teaches multiplexing and switching. It also covers network interconnections and SONET. Learn To: Identify features of broadband. Identify characteristics of the Public Switched Telephone Network (PSTN). Identify features of analog signals. Identify functions of Synchronous Optical Network (SONET).  more...