Beaconsused by the wlan network to advertise its presence. The types of wlans, their components and their basic functionalities are also detailed. A key part of the protocol discovers the appropriate wlan and establishes a connection with that wlan. Article pdf available september 2014 with 106 reads. Once the wireless network is up and running, wlan clients connect to an access point that provides it the best connection and data rate possible. In each episode, well take a look at a different aspect of wifi to build your. Wlan fundamentals wireless networks and topologies. Controllerbased wireless lan fundamentals an endtoend reference guide to design, deploy, manage, and secure 802. The use of wlans and their design goals are then studied. Understand vlans, wired lans, and wireless lans mybay. Nic is an electronic device that performs the necessary. Endoflife announcement for network security 1, network.
Applications vary from pointtopoint or pointtomultipoint links to multiuser coverage. Differences between wireless and wired transmission address is not equivalent to physical location. The networking academy support desk will continue to provide support for these curricula until. The technical issues in wlans must be understood in order to appreciate the difference between wired networks and wireless networks. Workstation has a network interface card nic provides a physical connection to a network attaches to the bus a coaxial cable via a tap. Pdf a study on wireless lan fundamentals, architecture.
Communications that take place without the use of interconnecting wires or cables, such as. Wlan security is a complex subject and has a lot of context. In a wireless network, address refers to a particular station and this station need not be stationary. Extend the range to a larger geographic area, such as a city or suburb. Fundamentals of wireless lans instructor lab manual. Academies are encouraged to offer the new cisco ccna security course that was released on july 24, 2009. Campus lan and wireless lan design guide cvd cisco. This chapter discusses the essential basics of the wlan technology. So an understanding of these fundamentals is required to fully comprehend and analyze wireless security. The wiley series on wireless communications and mobile computing is a series of comprehensive, practical and timely books on wireless communication and network systems. This document is the exclusive property of cisco systems, inc. The book first examines the basics of wireless technologies and computer communications that form the essential infrastructure required for building.
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