Chapter 1
... • Designing a WAN topology consists of the following: • Selecting an interconnection pattern or layout for the links between the various locations. • Selecting the technologies for those links to meet the enterprise requirements at an acceptable cost. • More links increase the cost of the network se ...
... • Designing a WAN topology consists of the following: • Selecting an interconnection pattern or layout for the links between the various locations. • Selecting the technologies for those links to meet the enterprise requirements at an acceptable cost. • More links increase the cost of the network se ...
LANs - UQAC
... no encapsulation (if only on bridge is used) exact bitwise copy of frame buffering to meet peak demand contains routing and address “intelligence” may connect more than two LANs bridging is transparent to stations ...
... no encapsulation (if only on bridge is used) exact bitwise copy of frame buffering to meet peak demand contains routing and address “intelligence” may connect more than two LANs bridging is transparent to stations ...
Type of Networks (Continued)
... • The IEEE 802.11 protocol uses a Carrier Sense Multiple Access/ Collision Avoidance (CSMA/CA) protocol • If the channel is sensed idle for an amount of time equal to the Distributed Inter Frame Space (DIFS), a station may transmit • The receiver of a correct frame sends an acknowledgement frame to ...
... • The IEEE 802.11 protocol uses a Carrier Sense Multiple Access/ Collision Avoidance (CSMA/CA) protocol • If the channel is sensed idle for an amount of time equal to the Distributed Inter Frame Space (DIFS), a station may transmit • The receiver of a correct frame sends an acknowledgement frame to ...
to CHAPTER 4 notes
... Network vulnerabilities include media-based vulnerabilities and vulnerabilities in network devices The same tools that network administrators use to monitor network traffic and troubleshoot network problems can also be used by attackers Network devices often contain weak passwords, default accounts, ...
... Network vulnerabilities include media-based vulnerabilities and vulnerabilities in network devices The same tools that network administrators use to monitor network traffic and troubleshoot network problems can also be used by attackers Network devices often contain weak passwords, default accounts, ...
IP: Datagram and Addressing
... ARP is used when an IP to physical address mapping changes to notify hosts on the network of the change ARP messages are encapsulated in MAC frames. A special value in the type field of the frame is used to indicate that it is carrying an ARP message (0806 hex is used for ARP) Entries in the local A ...
... ARP is used when an IP to physical address mapping changes to notify hosts on the network of the change ARP messages are encapsulated in MAC frames. A special value in the type field of the frame is used to indicate that it is carrying an ARP message (0806 hex is used for ARP) Entries in the local A ...
Networking - WordPress.com
... centralised, high speed file server that is made available to client PCs. Network access speeds are usually faster than those found on peer-to-peer networks, which is reasonable given the vast numbers of clients that this architecture can support. Nearly all network services like printing, web and e ...
... centralised, high speed file server that is made available to client PCs. Network access speeds are usually faster than those found on peer-to-peer networks, which is reasonable given the vast numbers of clients that this architecture can support. Nearly all network services like printing, web and e ...
The performance of circuit switching in the Internet
... Figure 5 compares the response time for CS-FCFS against PS-PrSh for different flow-rates. The ratio, N, between the link rate and the maximum flow rate is varied from 1 to 256. We observe that as the number of flows carried by the link increases, the performance of CS-FCFS improves and approaches th ...
... Figure 5 compares the response time for CS-FCFS against PS-PrSh for different flow-rates. The ratio, N, between the link rate and the maximum flow rate is varied from 1 to 256. We observe that as the number of flows carried by the link increases, the performance of CS-FCFS improves and approaches th ...
Midterm Sample
... 4. Consider a 1 Mbps WAN channel with 10 msec propagation delay. Data packets are 1000 bits long while ACK/NAK packets are negligible in length. Window size (N) = 5 packets, and there are 10 packets to be transmitted. Assume a Selective Repeat ARQ protocol with a new addition: NAKs are sent for pac ...
... 4. Consider a 1 Mbps WAN channel with 10 msec propagation delay. Data packets are 1000 bits long while ACK/NAK packets are negligible in length. Window size (N) = 5 packets, and there are 10 packets to be transmitted. Assume a Selective Repeat ARQ protocol with a new addition: NAKs are sent for pac ...
CCNA Cheat Sheet Internetworking Essentials
... © Copyright 2010 Internetwork Training – Although the authors of have made every effort to ensure the information in this document is correct, the authors do not assume and hereby disclaim any liability to any party for loss or damage caused by errors, omissions or misleading information. ...
... © Copyright 2010 Internetwork Training – Although the authors of have made every effort to ensure the information in this document is correct, the authors do not assume and hereby disclaim any liability to any party for loss or damage caused by errors, omissions or misleading information. ...
... which belong to the same classful network 192.168.10.0/24 are separated by network 10.0.0.0 hence they are considered to be discontiguous networks. Due to RIPs classless behavior routing between these networks can be performed without any problems. To be able to do so, you have to disable RIPv2 defa ...
Dynamic Bayesian Networks
... gur eS3: Network prior. Existing biology iscaptured and integrated during modeling using aprior probability tribution on graphs P (G) ∝ exp(λf (G)), with f (G) = − |E (G)\ E ∗ | where E (G) is the set of edges ntained in G and E ∗ is a set of a priori expected edges. The graph shows edge set E ∗ . E ...
... gur eS3: Network prior. Existing biology iscaptured and integrated during modeling using aprior probability tribution on graphs P (G) ∝ exp(λf (G)), with f (G) = − |E (G)\ E ∗ | where E (G) is the set of edges ntained in G and E ∗ is a set of a priori expected edges. The graph shows edge set E ∗ . E ...
Why Study Computers?
... In this way, people can exchange e-mail addresses, names and phone numbers while shaking hands, with the data automatically written into both their PDAs, the paper said. The companies have confirmed in an experiment that data can be transmitted at 10 megabits per second, comparable to the speed of a ...
... In this way, people can exchange e-mail addresses, names and phone numbers while shaking hands, with the data automatically written into both their PDAs, the paper said. The companies have confirmed in an experiment that data can be transmitted at 10 megabits per second, comparable to the speed of a ...
chapter1
... commercial and Industrial applications to monitor data that would be difficult or expensive to monitor remain for many years (monitoring some environmental variables) without the need to recharge/replace their power supplies. They could form a perimeter about a property and monitor the progression o ...
... commercial and Industrial applications to monitor data that would be difficult or expensive to monitor remain for many years (monitoring some environmental variables) without the need to recharge/replace their power supplies. They could form a perimeter about a property and monitor the progression o ...
Alcatel-Lucent ISA-ES1 and ES4 Series
... • Packet Manager (PKT): data services • Standard management support includes ¬ Open Systems Interconnection (OSI) stack with Q3 interface per SDH part of management ¬ Simple Network Management Protocol (SNMP)v2c, SNMPv3 for Ethernet part of management ¬ IP over OSI tunnelling: out-of-band management ...
... • Packet Manager (PKT): data services • Standard management support includes ¬ Open Systems Interconnection (OSI) stack with Q3 interface per SDH part of management ¬ Simple Network Management Protocol (SNMP)v2c, SNMPv3 for Ethernet part of management ¬ IP over OSI tunnelling: out-of-band management ...
Presentation
... • The commonly used transport protocols are Ethernet and token ring • Ethernet is in more installations than token ring because there are more network equipment options for it, and because modern Ethernet network designs are most easily expanded for high-speed networking • Token ring, an IBM-proprie ...
... • The commonly used transport protocols are Ethernet and token ring • Ethernet is in more installations than token ring because there are more network equipment options for it, and because modern Ethernet network designs are most easily expanded for high-speed networking • Token ring, an IBM-proprie ...
Network Discovery Protocol LLDP and LLDPMED
... functions. The Link Layer Discovery Protocol (LLDP) stations attached to an IEEE 802 LAN to advertise, to other stations attached to the same IEEE 802 LAN, the major capabilities provided by the system incorporating that station, the management address or addresses of the entity or entities that pro ...
... functions. The Link Layer Discovery Protocol (LLDP) stations attached to an IEEE 802 LAN to advertise, to other stations attached to the same IEEE 802 LAN, the major capabilities provided by the system incorporating that station, the management address or addresses of the entity or entities that pro ...
lecture 4
... • Process here is an abstract term for your Web browser (HTTP), Email servers (SMTP), hostname translation (DNS), RealAudio player (RTSP), etc. • How do we identify for remote communication? – Process id or memory address are OS-specific and transient … ...
... • Process here is an abstract term for your Web browser (HTTP), Email servers (SMTP), hostname translation (DNS), RealAudio player (RTSP), etc. • How do we identify for remote communication? – Process id or memory address are OS-specific and transient … ...
Transport layer
... The application layer uses the transport layer to send and receive messages over the Internet, the application layer provide the address. The application layer may use the services of the name server to translate the mnemonic name used by humans to IP address. Transport layer: An important tas ...
... The application layer uses the transport layer to send and receive messages over the Internet, the application layer provide the address. The application layer may use the services of the name server to translate the mnemonic name used by humans to IP address. Transport layer: An important tas ...
ArrowSpan_102407
... nodes on the mesh network via Mesh Manager unit. Once the Mesh Manager is updated with the new firmware: the new, updated firmware will propagate to every node on the mesh network. ...
... nodes on the mesh network via Mesh Manager unit. Once the Mesh Manager is updated with the new firmware: the new, updated firmware will propagate to every node on the mesh network. ...
Learning with Bayesian Networks
... Whew! Now we know how to use our network to infer conditional relationships and how to update our network with new data. But what if we aren’t given a well defined network? We could start with missing or incomplete: 1. Set of Variables 2. Conditional Relationship Data 3. Network Structure ...
... Whew! Now we know how to use our network to infer conditional relationships and how to update our network with new data. But what if we aren’t given a well defined network? We could start with missing or incomplete: 1. Set of Variables 2. Conditional Relationship Data 3. Network Structure ...
in NAT translation table
... – incoming datagrams: replace (NAT IP address, new port #) in dest fields of every incoming datagram with corresponding (source IP address, port #) stored in NAT ...
... – incoming datagrams: replace (NAT IP address, new port #) in dest fields of every incoming datagram with corresponding (source IP address, port #) stored in NAT ...
Wireless N 150Mbps - Atlantis-Land
... WebShare 242 WN integrates a BitTorrent™ client so that you can now download any file (and save into connected USB storage device) you want without the need to use your computer. Alternatively, thanks to the USB port, you can now connect your normal USB printer and turn it into a fully functional ne ...
... WebShare 242 WN integrates a BitTorrent™ client so that you can now download any file (and save into connected USB storage device) you want without the need to use your computer. Alternatively, thanks to the USB port, you can now connect your normal USB printer and turn it into a fully functional ne ...
Kenya - PSEA Task Force
... stakeholders. PSEA Focal Points were selected in When the Kenya UNCT set out to establish an every agency, and then undertook an intensive inter-agency PSEA network, it was well-known three-day training spearheaded by the that significant progress had already been made headquarters-based ECHA/ECPS U ...
... stakeholders. PSEA Focal Points were selected in When the Kenya UNCT set out to establish an every agency, and then undertook an intensive inter-agency PSEA network, it was well-known three-day training spearheaded by the that significant progress had already been made headquarters-based ECHA/ECPS U ...