Week_Five_ppt
... exceed more than a few kilometers, but are in the same metropolitan area. For this situation, the physical media is the most important factor. The speed and cost are directly related to the media selection. Some companies own their own media, like copper lines , or fiber. However, if they do not hav ...
... exceed more than a few kilometers, but are in the same metropolitan area. For this situation, the physical media is the most important factor. The speed and cost are directly related to the media selection. Some companies own their own media, like copper lines , or fiber. However, if they do not hav ...
Data Communications and NM Overview
... Media access control (MAC) -LLC: Formats the data to go on the medium; performs error control and flow control -MAC: Controls data transfer to and from LAN; resolves conflicts with other data on LAN ...
... Media access control (MAC) -LLC: Formats the data to go on the medium; performs error control and flow control -MAC: Controls data transfer to and from LAN; resolves conflicts with other data on LAN ...
PJ2325572560
... misbehaviour of the systems. To accurately control process temperature without Extensive operator involvement, a temperature control system relies upon a controller, which accepts a temperature sensor. An ARM processor based embedded Ethernet interface system is designed. In the system, the introduc ...
... misbehaviour of the systems. To accurately control process temperature without Extensive operator involvement, a temperature control system relies upon a controller, which accepts a temperature sensor. An ARM processor based embedded Ethernet interface system is designed. In the system, the introduc ...
Network protocols
... • Data is transferred in this way for a number of reasons: – The pause between bursts might be necessary to allow other computers to transfer data during pauses – The pause allows the receiving computer to process received data, such as writing it to disk – The pause allows the receiving computer to ...
... • Data is transferred in this way for a number of reasons: – The pause between bursts might be necessary to allow other computers to transfer data during pauses – The pause allows the receiving computer to process received data, such as writing it to disk – The pause allows the receiving computer to ...
Systems and Principles Unit Syllabus
... Networks are a major component of ICT communication. This unit provides learners with both the practical and theoretical knowledge of basic networks. They will learn about the different components used to create a network including hardware, software and topologies. Learners will develop practical s ...
... Networks are a major component of ICT communication. This unit provides learners with both the practical and theoretical knowledge of basic networks. They will learn about the different components used to create a network including hardware, software and topologies. Learners will develop practical s ...
Cisco Netacad Chapter 5 - Mr. Schneemann`s Web Page
... End devices on an Ethernet network do not accept and process frames based on IP addresses, rather, a frame is accepted and processed based on MAC addresses. ...
... End devices on an Ethernet network do not accept and process frames based on IP addresses, rather, a frame is accepted and processed based on MAC addresses. ...
HG253s V2 Home Gateway Product Description
... HG253s V2 Home Gateway (hereinafter referred to as the HG253s V2) provides a user-friendly GUI, complemented by a fresh and unique appearance. On the network side, the HG253s V2 provides a high-speed Gigabit Ethernet interface for wide area network (WAN) access. For users, it provides two FXS interf ...
... HG253s V2 Home Gateway (hereinafter referred to as the HG253s V2) provides a user-friendly GUI, complemented by a fresh and unique appearance. On the network side, the HG253s V2 provides a high-speed Gigabit Ethernet interface for wide area network (WAN) access. For users, it provides two FXS interf ...
QualNet tutorial 1
... Use the powerful tool: screen a terminal multiplexer that allows a user to access multiple separate terminal sessions inside a single terminal window. allows the user to start applications from one computer, and then reconnect from a different computer and continue using the same application w ...
... Use the powerful tool: screen a terminal multiplexer that allows a user to access multiple separate terminal sessions inside a single terminal window. allows the user to start applications from one computer, and then reconnect from a different computer and continue using the same application w ...
network topology
... devices to the same communication line. All devices are connected in a line to a central cable, called the bus or backbone. There is no central computer or server. The data transmission is bidirectional. ...
... devices to the same communication line. All devices are connected in a line to a central cable, called the bus or backbone. There is no central computer or server. The data transmission is bidirectional. ...
Lecturing Notes 1
... – Refer to a set of techniques to detect and correct data losses – Two levels of error control » Bit-level: inversion of 0 bit to 1, or 1 bit to 0, also called bit corruption => often occur over the mobile and wireless networks » Packet-level: packet loss, duplications, reordering => often occur and ...
... – Refer to a set of techniques to detect and correct data losses – Two levels of error control » Bit-level: inversion of 0 bit to 1, or 1 bit to 0, also called bit corruption => often occur over the mobile and wireless networks » Packet-level: packet loss, duplications, reordering => often occur and ...
9 chapter communications and networks
... Rules for exchanging data between computers. Standard for Internet: TCP/IP Transmission control protocol/Internet protocol Identifies devices : Identifying sending and receiving devices Each computer on the internet has IP address DNS domain name server convert text to IP address. ...
... Rules for exchanging data between computers. Standard for Internet: TCP/IP Transmission control protocol/Internet protocol Identifies devices : Identifying sending and receiving devices Each computer on the internet has IP address DNS domain name server convert text to IP address. ...
Server-Based Networks
... subnetworks. They can be either hardware or software based. Software-based routers and bridges can be part of a server's operating system or can at least run in the server with the operating system. Hardware-based bridges and routers can also be installed on standard computers to create dedicated, s ...
... subnetworks. They can be either hardware or software based. Software-based routers and bridges can be part of a server's operating system or can at least run in the server with the operating system. Hardware-based bridges and routers can also be installed on standard computers to create dedicated, s ...
Preamble Analysis of Computer Networking and
... nodes. Network switches and hubs operate at this layer which may also correct errors generated in the Physical Layer. The Data link layer of the OSI model enables the movement of data over a link from one device to another, by defining the interface between the network medium and the software on the ...
... nodes. Network switches and hubs operate at this layer which may also correct errors generated in the Physical Layer. The Data link layer of the OSI model enables the movement of data over a link from one device to another, by defining the interface between the network medium and the software on the ...
“To Filter or to Authorize: Network
... Destination Flood Attacks – Flood the system with traffic to suppress communication. Link Flood Attacks – Congest a link to disrupt communications between systems that share that link. ...
... Destination Flood Attacks – Flood the system with traffic to suppress communication. Link Flood Attacks – Congest a link to disrupt communications between systems that share that link. ...
CICT1513 Chapter 5 - Al-Madinah International University
... metropolitan area or campus. Its geographic scope falls between a WAN and LAN. MANs provide Internet connectivity for LANs in a metropolitan region, and connect them to wider area networks like the Internet. A MAN is optimized for a larger geographical area than a LAN, ranging from several blocks of ...
... metropolitan area or campus. Its geographic scope falls between a WAN and LAN. MANs provide Internet connectivity for LANs in a metropolitan region, and connect them to wider area networks like the Internet. A MAN is optimized for a larger geographical area than a LAN, ranging from several blocks of ...
Slides - TERENA Networking Conference 2010
... Versus: Common policies and requirements No enforcement, go steal a car! Versus: Ubiquitous policing and enforcement ...
... Versus: Common policies and requirements No enforcement, go steal a car! Versus: Ubiquitous policing and enforcement ...
Botnets: Infrastructure and Attacks
... an email message may point to different sites • Maintains agility as sites are shut down, blacklisted, etc. ...
... an email message may point to different sites • Maintains agility as sites are shut down, blacklisted, etc. ...
Networks
... Computer with NIC (PCs, laptops, handhelds) routers & switches (IP router, Ethernet switch) Links” Transmission media” (wired, wireless) protocols (IP,TCP,CSMA/CD,CSMA/CA) applications (network services) i.e. Network Operating System (NOS) • humans and service agents ...
... Computer with NIC (PCs, laptops, handhelds) routers & switches (IP router, Ethernet switch) Links” Transmission media” (wired, wireless) protocols (IP,TCP,CSMA/CD,CSMA/CA) applications (network services) i.e. Network Operating System (NOS) • humans and service agents ...
xDirect Product Brief, Partners
... xDirect™ is a sleek and compact Serial-toEthernet device server, providing quick and easy Ethernet connectivity to virtually any device or machine with a serial interface. With an integrated Ethernet port and serial cable, multiple power options including PoE, and an industry-best five year warranty ...
... xDirect™ is a sleek and compact Serial-toEthernet device server, providing quick and easy Ethernet connectivity to virtually any device or machine with a serial interface. With an integrated Ethernet port and serial cable, multiple power options including PoE, and an industry-best five year warranty ...
Network Data Monitoring and Analysis
... What Is SNMP SNMP is a tool (protocol) that allows for remote and local management of items on the network including servers, workstations, routers, switches and other managed devices. Comprised of agents and managers Agent :process running on each managed node collecting information about the ...
... What Is SNMP SNMP is a tool (protocol) that allows for remote and local management of items on the network including servers, workstations, routers, switches and other managed devices. Comprised of agents and managers Agent :process running on each managed node collecting information about the ...
ppt - Computer Science & Engineering
... collision detection: easy in wired LANs: measure signal strengths, compare ...
... collision detection: easy in wired LANs: measure signal strengths, compare ...
An Heterogeneous wireless networks testbed for Smart Environment scenarios
... powered devices [6]. The interconnection between a WMBus network and a WiFi network can be done with dual interface gateways that can collect data sent by water, gas and heating meters and forward it to their specific utility. The major advantage with respect to M2M communication through the GSM ne ...
... powered devices [6]. The interconnection between a WMBus network and a WiFi network can be done with dual interface gateways that can collect data sent by water, gas and heating meters and forward it to their specific utility. The major advantage with respect to M2M communication through the GSM ne ...
View
... NAT enables a user to have a large set of addresses internally and one address or small set of address externally. A NAT box located where the LAN meets the Internet makes all necessary IP address translations Any organization can use an addresses out of this set without permission from internet aut ...
... NAT enables a user to have a large set of addresses internally and one address or small set of address externally. A NAT box located where the LAN meets the Internet makes all necessary IP address translations Any organization can use an addresses out of this set without permission from internet aut ...
Security Technology-I
... • Like filtering firewalls, do not usually look at data traffic flowing between two networks, but prevent direct connections between one network and another • Accomplished by creating tunnels connecting specific processes or systems on each side of the firewall, and allow only authorized traffic in ...
... • Like filtering firewalls, do not usually look at data traffic flowing between two networks, but prevent direct connections between one network and another • Accomplished by creating tunnels connecting specific processes or systems on each side of the firewall, and allow only authorized traffic in ...