Explain the following types of data communication networks and their applications * Public switched telephone network (PSTN) * Local area networks (LANs) * Metropolitan area networks (MANs) * Wide area networks (WANs) * Packet switched data network (PSDN)‚ * Integrated services digital network (ISDN) Public switched telephone network (PSTN) Public Switched telephone network (PSTN) is the global collection of interconnects originally designed to support circuit-switched
Premium OSI model Local area network Ethernet
WHITE P AP E R WHAT IS PACKET MICROWAVE? EXECUTIVE SUMMARY This white paper provides a definition of Packet Microwave radio systems and demonstrates how these systems along with Hybrid radio systems are providing an ideal solution for wireless backhaul for next generation mobile broadband networks. Packet Microwave platforms offer highly scalable solution that leverages new technology features to enable higher throughputs to keep pace with expected growth in demand. Hybrid microwave solutions
Premium Ethernet Mobile phone Radio
the equivalent to hitting a fly with a fly swatter‚ instead of using a mallet which would be done by using WAN protocols such as frame relay and ATM. Because this network would use a bus topology‚ we will use the access method of CSMA/CD to prevent packet lost (Martin W. Murhammer‚ 1999). This access method will allow computers to use the same transmission line and
Premium Ethernet
different types of WAN equipment. Introduction to WAN Technologies This chapter introduces the various protocols and technologies used in wide-area network (WAN) environments. Topics summarized here include point-to-point links‚ circuit switching‚ packet switching‚ virtual circuits‚ dialup services‚ and WAN devices. Chapters in Part III‚ “WAN Protocols‚” address specific technologies in more detail. What Is a WAN? A WAN is a data communications network that covers a relatively broad geographic
Premium OSI model
of these cases‚ such populations have to face detention. By definition‚ immigration detention is the practice of holding in custody people (and in some cases families) who are subject to immigration control‚ either while they await permission to enter‚ or prior to their deportation or removal from a country (2). The UNHCR Guidelines reaffirms the general principle that asylum seekers should not be detained‚ and in exceptional cases where such detention may be necessary‚ it should only occur as a measure
Premium
technologies for possible application for the company‚ the role of the physical layer‚ data link layer‚ and network layer in network transmissions of vital importance. This paper will be discussing in the physical layer‚ the contrast of circuit switching and packet switching; in the data link layer‚ sliding window protocols and the data link layer in the internet; and for the network layer‚ virtual circuits and datagram will be discussed as well as the purpose of routing algorithms. The physical layer
Premium OSI model Data Link Layer
Abstract Software defined networking is a new concept that redefined the current network device architecture and the way they behave. Due to the exponential growth of the Internet and services attached to this worldwide infrastructure‚ a number of issues have cropped up in modern day networks. This paper discusses a few of these limitations and how the software defined networking approach tries to alleviate them. OpenFlow‚ released in the year 2008‚ is a commercially viable implementation of this
Premium Router Computer network
Another type of alternative to detention is the community-based support and case-management services. This alternative is what every advocacy group is fighting for because it can be as effective as the other alternatives‚ and it has a much more humane approach. It removes the stigmatization that ankle monitors and other restrictive forms of supervision cause. This type of alternatives helps immigrants understand their legal obligations‚ resulting in higher rates of court appearance. ICE has been
Premium United States Immigration Immigration to the United States
other 4. An enterprise network has many routers that connect to both a LAN as well as the WAN. Which of the following statements best describe how routers typically use and think about their WAN connections? B. As a transport service to deliver IP packets to the next Ip router 5. An enterprise builds a WAN design on paper. The main site‚ where all the servers sit‚ is shown in the center of a network diagram. The WAN has a leased line from that site to every remote site‚ with the remote sites drawn
Premium
rates. The first system to make an impact on the market was GPRS. The letters GPRS stand for General Packet Radio System‚ GPRS technology enabled much higher data rates to be conveyed over a cellular network when compared to GSM that was voice centric. General Packet Radio Service • General: not restricted to GSM use (DECT?‚ 3rd generation systems?) • Packet Radio: enables packet mode communication over air • Service‚ not System: existing BSS (partially also NSS) infrastructure
Free Mobile phone GSM