(CCNA) 7.Data Link Layer
... Shared media requires that the Ethernet packet header use a Data Link layer address to identify the source and destination nodes. As with most LAN protocols, this address is referred to as the MAC address of the node An Ethernet MAC address is 48 bits and is generally represented in hexadecima ...
... Shared media requires that the Ethernet packet header use a Data Link layer address to identify the source and destination nodes. As with most LAN protocols, this address is referred to as the MAC address of the node An Ethernet MAC address is 48 bits and is generally represented in hexadecima ...
Denial of Service Attack on Automotive CAN Networks
... speed bus. The body control system, including door control, seat control, light control, etc. which deal with passenger comfort and convenience, is usually connected by the low speed bus. The dashboard and OBD II bridge two networks. For the physical layer, a twisted pair multidrop cable is specifie ...
... speed bus. The body control system, including door control, seat control, light control, etc. which deal with passenger comfort and convenience, is usually connected by the low speed bus. The dashboard and OBD II bridge two networks. For the physical layer, a twisted pair multidrop cable is specifie ...
Switching
... Optical switches • Already analog optical repeaters deployed - Will amplify any signal - Can change your low-level transmission protocol w/o replacing repeaters ...
... Optical switches • Already analog optical repeaters deployed - Will amplify any signal - Can change your low-level transmission protocol w/o replacing repeaters ...
introconcepts2
... • Asynchronous - A single character is a message – Errors sometimes detected, but no recovery – Horizontal parity used to detect single character errors ...
... • Asynchronous - A single character is a message – Errors sometimes detected, but no recovery – Horizontal parity used to detect single character errors ...
CIS222
... IP re-assembles datagram fragments only at the destination host. Class C IP addresses allow for only 254 hosts. The checksum field in the TCP header only checks the TCP header and a few fields from the IP header. If a UDP implementation receives packets at a faster rate than it can process them, it ...
... IP re-assembles datagram fragments only at the destination host. Class C IP addresses allow for only 254 hosts. The checksum field in the TCP header only checks the TCP header and a few fields from the IP header. If a UDP implementation receives packets at a faster rate than it can process them, it ...
Bit and Byte Stuffing
... Asynchronous transmission :: each character (or byte) is treated independently for clock (bit) and character (byte) synchronization purposes and the receiver resynchronizes at the start of each character received. Synchronous transmission :: the complete frame is transmitted as a contiguous string o ...
... Asynchronous transmission :: each character (or byte) is treated independently for clock (bit) and character (byte) synchronization purposes and the receiver resynchronizes at the start of each character received. Synchronous transmission :: the complete frame is transmitted as a contiguous string o ...
NETWORK SYSTEMS 2 Learner Guide
... being assessed. Formative assessments are on-going in all lectures, practical and tutorial classes by means of verbal and written questions, class exercises and tutorial problems. These assessments are meant to guide you in self-assessing your knowledge and competence. The tests are both formative a ...
... being assessed. Formative assessments are on-going in all lectures, practical and tutorial classes by means of verbal and written questions, class exercises and tutorial problems. These assessments are meant to guide you in self-assessing your knowledge and competence. The tests are both formative a ...
Network Environments - Advanced
... • This means that if a cable is cut, only one of the nodes is affected • Messages might be send by the server polling each node in turn to see whether they have a message to send, and if they have, delivering it. • Logically, this is the same as a token ring! ...
... • This means that if a cable is cut, only one of the nodes is affected • Messages might be send by the server polling each node in turn to see whether they have a message to send, and if they have, delivering it. • Logically, this is the same as a token ring! ...
DirectedDiffusion
... On event, sensed and/or processed information delivered to the inquiring destination ...
... On event, sensed and/or processed information delivered to the inquiring destination ...
Distributed Monitoring of Mesh Networks
... one gateway provided Internet connectivity to ad hoc network users one sink deployed to collect information ad hoc network co-located with 23 IETF APs nodes used tool called PUDL to avoid unidirectional links ...
... one gateway provided Internet connectivity to ad hoc network users one sink deployed to collect information ad hoc network co-located with 23 IETF APs nodes used tool called PUDL to avoid unidirectional links ...
Panel 7 Maritime Transportation Logistics & Security Nov. 17, 2010
... 2.4 GHz ISM Band Channel Use-age per ICD ...
... 2.4 GHz ISM Band Channel Use-age per ICD ...
Interdependent Energy Decision Support System (IEDSS)
... Public Facades? • Web services and web sites are merely public facades to your internal databases. ...
... Public Facades? • Web services and web sites are merely public facades to your internal databases. ...
Chapter 1: PowerPoint slides - ECE
... • The packet suffers no collision if no other packet is sent within 2 packets long: S=GP0=Ge2G • Max throughput 1/2e 0.184 @ G = 0.5 • Less efficient than S-ALOHA, but simpler, no global time synchronization i ...
... • The packet suffers no collision if no other packet is sent within 2 packets long: S=GP0=Ge2G • Max throughput 1/2e 0.184 @ G = 0.5 • Less efficient than S-ALOHA, but simpler, no global time synchronization i ...
Chapter 4 Review Questions
... 1. Datagram-based network layer: path determination; forwarding. Additional function of VC-based network layer: call setup. 2. ATM service models: CBR, VBR, ABR, UBR. See section 4.1.1 for the descriptioins. 3. Link state algorithms: Computes the least-cost path between source and destination using ...
... 1. Datagram-based network layer: path determination; forwarding. Additional function of VC-based network layer: call setup. 2. ATM service models: CBR, VBR, ABR, UBR. See section 4.1.1 for the descriptioins. 3. Link state algorithms: Computes the least-cost path between source and destination using ...
William Stallings Data and Computer Communications
... support range of network services differentiated on basis of performance IP Packets labeled for differing QoS using existing IPv4 Type of Service or IPv6 Traffic calss Service level agreement established between provider and customer prior to use of DS Built in aggregation Good scaling to lar ...
... support range of network services differentiated on basis of performance IP Packets labeled for differing QoS using existing IPv4 Type of Service or IPv6 Traffic calss Service level agreement established between provider and customer prior to use of DS Built in aggregation Good scaling to lar ...
Diapositive 1
... Set of protocols (Layer 3 of OSI model) using algorithms allowing the transport of secured data over an IP network The purpose of this protocol: authenticate and encrypt the data The stream can only be understood by the final recipient (encryption) Modification of data through intermediaries may not ...
... Set of protocols (Layer 3 of OSI model) using algorithms allowing the transport of secured data over an IP network The purpose of this protocol: authenticate and encrypt the data The stream can only be understood by the final recipient (encryption) Modification of data through intermediaries may not ...
Guidelines for environmental information management in WB projects
... Data access and manipulation is almost impossible if raw data are being collected poor Resources are notwith invested documentation of field techniques and without efficiently standards The GIS files are not documented. Data difficult to locate or disappear after the project ...
... Data access and manipulation is almost impossible if raw data are being collected poor Resources are notwith invested documentation of field techniques and without efficiently standards The GIS files are not documented. Data difficult to locate or disappear after the project ...
Introduction - start [kondor.etf.rs]
... Air: different frequency bands Wires: twisted pairs Coaxial cables Optical fibers ...
... Air: different frequency bands Wires: twisted pairs Coaxial cables Optical fibers ...
The Role of BIOSTATISTICS in Clinical Research
... c) Three, the probability of a biostatistician boring someone else to sleep is 2/3. d) None, having the biostatistician's name appear on the protocol for changing the bulb will be enough. e) 1.5, the average of (a) to (d). f) It depends on the purpose for changing it and the design of the bulb. ...
... c) Three, the probability of a biostatistician boring someone else to sleep is 2/3. d) None, having the biostatistician's name appear on the protocol for changing the bulb will be enough. e) 1.5, the average of (a) to (d). f) It depends on the purpose for changing it and the design of the bulb. ...
William Stallings Data and Computer Communications
... support range of network services differentiated on basis of performance • IP Packets labeled for differing QoS using existing IPv4 Type of Service or IPv6 Traffic calss • Service level agreement established between provider and customer prior to use of DS • Built in aggregation • Good scaling to la ...
... support range of network services differentiated on basis of performance • IP Packets labeled for differing QoS using existing IPv4 Type of Service or IPv6 Traffic calss • Service level agreement established between provider and customer prior to use of DS • Built in aggregation • Good scaling to la ...
PDF - This Chapter
... A system used to control and monitor the activities of network hosts using SNMP. The most common managing system is called a Network Management System (NMS). The term NMS can be applied to either a dedicated device used for network management, or the applications used on a network-management device. ...
... A system used to control and monitor the activities of network hosts using SNMP. The most common managing system is called a Network Management System (NMS). The term NMS can be applied to either a dedicated device used for network management, or the applications used on a network-management device. ...