PowerPoint Presentation - Securing a Wireless 802.11b Network
... a wireless card and some software A directional antenna will increase the range over which the attacker can access your network Directional antenna can be made from a Pringles potato chip can! Attackers drive around with their computers looking for open wireless networks ...
... a wireless card and some software A directional antenna will increase the range over which the attacker can access your network Directional antenna can be made from a Pringles potato chip can! Attackers drive around with their computers looking for open wireless networks ...
An Ingenious Multiple Communicator Concept for Next
... available for 3G and 4G networks, different technology shows different bit-error-rate (BER). As an example, fiber optic can results into 5E-07, 3.16E-06 for WiMAX and 7.5E-06 for 3G technologies [6]. Since the development of smart meter for AMI has already been established and deployed in some count ...
... available for 3G and 4G networks, different technology shows different bit-error-rate (BER). As an example, fiber optic can results into 5E-07, 3.16E-06 for WiMAX and 7.5E-06 for 3G technologies [6]. Since the development of smart meter for AMI has already been established and deployed in some count ...
LAN Analysis: Cable Testing and Protocol Decoding
... operations takes a finite length of time. Thus, when the number of stations is large (the maximum is 255 per network) and the sizes of the frames are also large, the time for the frames to come around to the original source station, known as the token rotation time, also increases. Consequently, the ...
... operations takes a finite length of time. Thus, when the number of stations is large (the maximum is 255 per network) and the sizes of the frames are also large, the time for the frames to come around to the original source station, known as the token rotation time, also increases. Consequently, the ...
Developing a Distributed Software Defined Networking Testbed for
... designed implementation to scale to large network configurations. Our goal is that the SDN Controller manages the switches, in such a way that the nodes become forwarding devices only. At this point, each OVS created acts as a regular layer-2 learning switch, it automatically creates a learning table ...
... designed implementation to scale to large network configurations. Our goal is that the SDN Controller manages the switches, in such a way that the nodes become forwarding devices only. At this point, each OVS created acts as a regular layer-2 learning switch, it automatically creates a learning table ...
Security The big picture Some consequences Three types of threat
... • Very poor assumption to make when bad guys can control network! ...
... • Very poor assumption to make when bad guys can control network! ...
Powerpoint
... necessary • TCP and timing is hard for you to implement at the application layer • UDP runs faster if delivery is not required to be error-free. ...
... necessary • TCP and timing is hard for you to implement at the application layer • UDP runs faster if delivery is not required to be error-free. ...
07/08 Semester B - City University of Hong Kong
... outgoing trunks, estimate the grade of service. State any assumptions you make. [5 marks] (c) Redesign the above network by increasing the number of the secondary switches to provide a grade of service better than 1 in 500. How many crosspoints does this network require? Draw the resulting design. [ ...
... outgoing trunks, estimate the grade of service. State any assumptions you make. [5 marks] (c) Redesign the above network by increasing the number of the secondary switches to provide a grade of service better than 1 in 500. How many crosspoints does this network require? Draw the resulting design. [ ...
Wireless LAN
... – Can be used with either Win95/98 or Win NT – Must be used on a computer with both Wireless and wired network connections – Can use remote administration to set parameters or monitor network ...
... – Can be used with either Win95/98 or Win NT – Must be used on a computer with both Wireless and wired network connections – Can use remote administration to set parameters or monitor network ...
Document
... Coaxial cable consists of copper or aluminum wire wrapped with spacers to insulate and protect it. Insulation minimizes interference and distortion of the signals the cable carries. 1. Can carry a large volume of data - about 100 million bits per second (1800 to 3600 voice calls at once). A 2" diam ...
... Coaxial cable consists of copper or aluminum wire wrapped with spacers to insulate and protect it. Insulation minimizes interference and distortion of the signals the cable carries. 1. Can carry a large volume of data - about 100 million bits per second (1800 to 3600 voice calls at once). A 2" diam ...
Download full paper
... 4Com is a telecommunications company in the Dominican Republic that offers integrated services of Internet, digital television and voice to personal customers, as well as specialized services to businesses, institutions and other service providers, ensuring reliable service, high qual ...
... 4Com is a telecommunications company in the Dominican Republic that offers integrated services of Internet, digital television and voice to personal customers, as well as specialized services to businesses, institutions and other service providers, ensuring reliable service, high qual ...
F2329
... next intermediate node. And when encounter occurs the packet is sent to next intermediate node. This procedure is followed until the destination is reached. When two nodes come in contact with each other, they may exchange the packets and such an opportunity is known as encounter. In case of traditi ...
... next intermediate node. And when encounter occurs the packet is sent to next intermediate node. This procedure is followed until the destination is reached. When two nodes come in contact with each other, they may exchange the packets and such an opportunity is known as encounter. In case of traditi ...
IMPLEMENTATION OF SNMP(SIMPLE NETWORK MANAGEMENT
... loads on the motes for given information. SNMPv3 even provides end to end point security and supports encryption of data. Disadvantage SNMP a network management protocol, tool was not designed to deal with medical system applications[13]. III. IMPLEMENTATION METHODOLOGY Space limitation was one of ...
... loads on the motes for given information. SNMPv3 even provides end to end point security and supports encryption of data. Disadvantage SNMP a network management protocol, tool was not designed to deal with medical system applications[13]. III. IMPLEMENTATION METHODOLOGY Space limitation was one of ...
A simple survey of knowledge plane approaches for future cognitive
... demanding network exchanging massive flows of information. The explosion of wireless mobile computing, the exponential growth of users, and the endless propagation of eclectic services, introduced new scale and distribution problems in different layers of the traditional open systems interconnection ...
... demanding network exchanging massive flows of information. The explosion of wireless mobile computing, the exponential growth of users, and the endless propagation of eclectic services, introduced new scale and distribution problems in different layers of the traditional open systems interconnection ...
Part I: Introduction
... depends on congestion dtrans = transmission delay = L/R, significant for low-speed links dprop = propagation delay a few microsecs to hundreds of msecs ...
... depends on congestion dtrans = transmission delay = L/R, significant for low-speed links dprop = propagation delay a few microsecs to hundreds of msecs ...
Definition of the characteristics of telecommunication and network
... (ADSL) connections. During these sessions, it is not envisaged a very high level of multimedia information or streaming video, therefore a classical kiosk system can be sufficient. A PSTN connection allows symmetric transmission speeds up to 56 Kb/s, while ISDN and ADSL allow higher speeds. In parti ...
... (ADSL) connections. During these sessions, it is not envisaged a very high level of multimedia information or streaming video, therefore a classical kiosk system can be sufficient. A PSTN connection allows symmetric transmission speeds up to 56 Kb/s, while ISDN and ADSL allow higher speeds. In parti ...
3rd Edition: Chapter 4
... Two key router functions: run routing algorithms/protocol (RIP, OSPF, BGP) forwarding datagrams from incoming to outgoing link ...
... Two key router functions: run routing algorithms/protocol (RIP, OSPF, BGP) forwarding datagrams from incoming to outgoing link ...
CCNA - Day 1 - UMT Admin Panel
... efficiently and quickly, not only within a company, but also from one business to another. The solution was the creation of metropolitan-area networks (MANs) and wide-area networks (WANs). ...
... efficiently and quickly, not only within a company, but also from one business to another. The solution was the creation of metropolitan-area networks (MANs) and wide-area networks (WANs). ...
Using VDOMs to host two FortiOS instances on a single FortiGate unit
... Using VDOMs to host two FortiOS instances on a single FortiGate unit Virtual Domains (VDOMs) can be used to divide a single FortiGate unit into two or more virtual instances of FortiOS that function as independent FortiGate units. This example simulates an ISP that provides Company A and Company B w ...
... Using VDOMs to host two FortiOS instances on a single FortiGate unit Virtual Domains (VDOMs) can be used to divide a single FortiGate unit into two or more virtual instances of FortiOS that function as independent FortiGate units. This example simulates an ISP that provides Company A and Company B w ...
Chapter 5: Telecommunications, Wireless Technologies, and
... Used as a central point for connecting a series of computers Switches Fundamental part of most networks Repeaters Connect multiple network segments Bridges Connect two or more network segments ...
... Used as a central point for connecting a series of computers Switches Fundamental part of most networks Repeaters Connect multiple network segments Bridges Connect two or more network segments ...
Slide 1
... • Mobile IP was developed for IPv4, but IPv6 simplifies the protocols – security is integrated and not an add-on, authentication of registration is included -Protocols for registration, discovery etc. are available as standard, not layered above IP – COA can be assigned via auto-configuration (DHCPv ...
... • Mobile IP was developed for IPv4, but IPv6 simplifies the protocols – security is integrated and not an add-on, authentication of registration is included -Protocols for registration, discovery etc. are available as standard, not layered above IP – COA can be assigned via auto-configuration (DHCPv ...
Delivery, and IP Packet Forwarding
... List the three next-hop methods for packet forwarding. List the three next-hop methods for packet forwarding. List the four most basic fields in routing entries. Explain step-by-step how a router forwards an IP packet to the next router (or host). You need to use, in the explanation, the terms: dest ...
... List the three next-hop methods for packet forwarding. List the three next-hop methods for packet forwarding. List the four most basic fields in routing entries. Explain step-by-step how a router forwards an IP packet to the next router (or host). You need to use, in the explanation, the terms: dest ...
PPT
... Measuring interference at NC receiver Measuring direction of NC node for beamsteering Both easy if NC receiver also transmits, else hard ...
... Measuring interference at NC receiver Measuring direction of NC node for beamsteering Both easy if NC receiver also transmits, else hard ...
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... – Can use both collisions to construct original packets – Reduce effecVve error rate significantly ...
... – Can use both collisions to construct original packets – Reduce effecVve error rate significantly ...