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B.4.2. A. Tzerahoglou
B.4.2. A. Tzerahoglou

... Rate of Basic Rate Interfaces) or the Asymmetric Digital Subscriber Line, connections to an impressive range of sites internationally can be achieved. Allow for matching bandwidth to usage. In the proposed network all the available bandwidth is utilized. A usage requiring 2000 Kbps can be accommodat ...
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... What can the D-STAR system do? 128kbps digital data and 4.8kbps digital voice communication The D-STAR system provides not only digital voice (DV mode) communication but also digital data transmission (DD mode). It can exchange various data files such as graphics, images, etc, at 128kbps. Your voice ...
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... Wireless security is important to everyone. With workware, wireless connectivity is built upon your existing network infrastructure, taking advantage of your existing firewalls and other security features. Additionally, each session generates a unique 4-digit login code and remote users are limited ...
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... “n” high capacity lines between the headquarters and the brances. Just a single broadband line between the HQ and the diffusion header will be needed. The branches will obtain a larger broadband with a simple PSTN or ISDN line. Flexible: Since it uses two physical networks as one logical network, IV ...
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... tracks discrete events. • Each queue represented by a state machine (with 2/3 states). • Rates governed by current state of the queue. • TCP source continuously evolves sending rate (and not discretely only when an ACK is received.) ...
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... Forecasting is the process of making statements about events whose actual outcomes (typically) have not yet been observed. A commonplace example might be estimation of the expected value for some variable of interest at some specified future date. Prediction is a similar, but more general term. An i ...
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...  in failure modes (loss, crashes, loops, etc)  We need a very systematic approach to ...
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... Before this, if you wanted to add a wireless connection to a project, you had to use more power-hungry devices like USB WiFi dongles, or squish everything into a serial connection and use a wireless serial link. Either way added to the complexity of the project: you either needed a system that suppo ...
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... Often the equipment will catch more information than is allowed: • Surplus information need to be removed • IP# need to be anonymized ...
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... answer for each multiple choice option is worth 0.5 points (i.e., a question with options (a) through (e) is worth a total of 2.5 points). 1. Which are true about network switches and routers? a. Ethernet switches will always send received frames out all interfaces (except the one on which the packe ...
Presentation Title Presentation Title Presentation Title
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... Base stations connected to a wired backbone network Mobile entities communicate wirelessly to these base stations Traffic between different mobile entities is relayed by base stations and wired backbone Mobility is supported by switching from one base station to another ...
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... interactions between them) can be seen as atoms, where the default of a set of debtors to firm i can “flip” i into default ...
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... status information about your network. – It can be used to configure and manage your network connections including managing your wireless networks, connection types, and the level of access you have to other computers and devices on the network. • Network discovery allows this computer to see other ...
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... connection to the Internet,” which are subject to CALEA with respect to that connection, but does not apply to “those that contract with an ISP for that connection.” The Department of Justice agreed that CALEA applies at most to “Internet gateway” facilities, rather than to the internal portions of ...
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... Packet switching versus circuit switching Packet switching allows more users to use network! ...
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... A ring consists of a single or dual (FDDI) cable in the shape of a loop. Ring reservation supervised by rotating token. Each station is only connected to each of its two nearest neighbors. Data in the form of packets passes around the ring from one station to another in uni-directional way. ...
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... (IETF) is a large open international community of network designers, operators, vendors, and researchers concerned with the evolution of the Internet architecture and the smooth operation of the Internet. It is open to any interested individual. Responsible for RFCs (Request for Comments, Internet S ...
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Piggybacking (Internet access)

Piggybacking on Internet access is the practice of establishing a wireless Internet connection by using another subscriber's wireless Internet access service without the subscriber's explicit permission or knowledge. It is a legally and ethically controversial practice, with laws that vary by jurisdiction around the world. While completely outlawed or regulated in some places, it is permitted in others.A customer of a business providing hotspot service, such as a hotel or café, is generally not considered to be piggybacking, though non-customers or those outside the premises who are simply in reach may be. Many such locations provide wireless Internet access as a free or paid-for courtesy to their patrons or simply to draw people to the area. Others near the premises may be able to gain access.Piggybacking is distinct from wardriving, which involves only the logging or mapping of the existence of access points.
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