Computer Networks Sample Questions
... D-optical fiber supports only half-duplex 49- Which of the following is a network type that is widely used in dialup ...
... D-optical fiber supports only half-duplex 49- Which of the following is a network type that is widely used in dialup ...
Powerpoint - Chapter 8
... The TCP/IP protocols were developed to support systems that use any computing platform or operating system. The TCP/IP protocol stack consists of four layers: link, internet, transport, and application. IP uses the ARP protocol to resolve IP addresses into the hardware addresses needed for data-link ...
... The TCP/IP protocols were developed to support systems that use any computing platform or operating system. The TCP/IP protocol stack consists of four layers: link, internet, transport, and application. IP uses the ARP protocol to resolve IP addresses into the hardware addresses needed for data-link ...
Submitted version - QMRO Home
... and DSR (Dynamic Source Routing) [7] are regarded as the most widely deployed routing protocols in ad hoc networks. A few works have now started to consider new routing protocols for use in CR ad hoc networks. Work in [8][9] defined a SARP (Spectrum-Aware Routing Protocol) which assumes the mobile d ...
... and DSR (Dynamic Source Routing) [7] are regarded as the most widely deployed routing protocols in ad hoc networks. A few works have now started to consider new routing protocols for use in CR ad hoc networks. Work in [8][9] defined a SARP (Spectrum-Aware Routing Protocol) which assumes the mobile d ...
Topic 8 – LAN Fundamentals
... • Could be used in very simple devices, such as terminal controllers, that have little software operating above this level • In this mode, the logical link control software must maintain some sort of table for each active connection, to keep track of the status of the connection ...
... • Could be used in very simple devices, such as terminal controllers, that have little software operating above this level • In this mode, the logical link control software must maintain some sort of table for each active connection, to keep track of the status of the connection ...
A Social Network Information Propagation Model Considering
... preference, we present a new social network information propagation model and set up dynamic equations for it. In our model, user nodes could share or propagate information according to their own preferences, and select different types of social relationships according to information preferences. Th ...
... preference, we present a new social network information propagation model and set up dynamic equations for it. In our model, user nodes could share or propagate information according to their own preferences, and select different types of social relationships according to information preferences. Th ...
EE 461: Chapter 0 - UW Courses Web Server
... Establishment and termination of a connection to a communications medium. Participation in the process whereby the communication resources are effectively shared among multiple users. For example, contention resolution and flow control. Modulation, or conversion between the representation of digital ...
... Establishment and termination of a connection to a communications medium. Participation in the process whereby the communication resources are effectively shared among multiple users. For example, contention resolution and flow control. Modulation, or conversion between the representation of digital ...
IOSR Journal of Computer Engineering (IOSR-JCE)
... A network route is simply a path between a source and destination. Routing is the process of finding a valid path between two nodes and utilizing the path for data communications. MANET routing faces significantly more challenges than fixed (or wired) networks. One challenge is securing broadcast wi ...
... A network route is simply a path between a source and destination. Routing is the process of finding a valid path between two nodes and utilizing the path for data communications. MANET routing faces significantly more challenges than fixed (or wired) networks. One challenge is securing broadcast wi ...
transparencies - Indico
... • Can be used to block P2P, IRC, etc – Both to and from machine – Several ways to do this • Assuming static port number - block port • Limited outside connections – restrict IP addresses • Limited services – block all ports by default ...
... • Can be used to block P2P, IRC, etc – Both to and from machine – Several ways to do this • Assuming static port number - block port • Limited outside connections – restrict IP addresses • Limited services – block all ports by default ...
Transport Layer - Rose
... segments may be: lost delivered out of order to app connectionless: no handshaking between UDP sender, receiver each UDP segment handled independently of others ...
... segments may be: lost delivered out of order to app connectionless: no handshaking between UDP sender, receiver each UDP segment handled independently of others ...
Locating Equivalent
... along the path is checked for availability and can be selected as a servant for the querying user. Notice that this operating mode makes the approach independent of the adopted DHT. In fact, only the overlay topology (which is a regular graph in existing DHTs) is of interest in our context. In other ...
... along the path is checked for availability and can be selected as a servant for the querying user. Notice that this operating mode makes the approach independent of the adopted DHT. In fact, only the overlay topology (which is a regular graph in existing DHTs) is of interest in our context. In other ...
Teleinformatique
... • the OSI model is a general telecommunication framework implementations considers feasibility and economics. ...
... • the OSI model is a general telecommunication framework implementations considers feasibility and economics. ...
Design Philosophy
... sufficiently flexible to accommodate all major potential options. These are described in the section of this document on “Wide Area Connectivity.” That section also describes the networks that will be used for management, control and data planes and for WAN resources used as part of experimental env ...
... sufficiently flexible to accommodate all major potential options. These are described in the section of this document on “Wide Area Connectivity.” That section also describes the networks that will be used for management, control and data planes and for WAN resources used as part of experimental env ...
PPT Format
... • If it is not a group member, and the failure of the link has caused the node to become a leaf node, it prunes itself from the tree by sending a prune message to its next-hop. • This node, would then, if it is a group member, becomes the group leader. Else it proceeds as the previous node. • If the ...
... • If it is not a group member, and the failure of the link has caused the node to become a leaf node, it prunes itself from the tree by sending a prune message to its next-hop. • This node, would then, if it is a group member, becomes the group leader. Else it proceeds as the previous node. • If the ...
myIP-A
... • Each node has a vector of distances to all others nodes • Advertise only your vector of distances to neighbors Forward info only if your vector of distance changed • Determine next hop according to distance Each node only is aware of the next hop ...
... • Each node has a vector of distances to all others nodes • Advertise only your vector of distances to neighbors Forward info only if your vector of distance changed • Determine next hop according to distance Each node only is aware of the next hop ...
Part I: Introduction
... • Each node has a vector of distances to all others nodes • Advertise only your vector of distances to neighbors Forward info only if your vector of distance changed • Determine next hop according to distance Each node only is aware of the next hop ...
... • Each node has a vector of distances to all others nodes • Advertise only your vector of distances to neighbors Forward info only if your vector of distance changed • Determine next hop according to distance Each node only is aware of the next hop ...
投影片 1
... single-path based protocols, which can be further classified into two groups: “tabledriven” and “on-demand. • protocols under high mobility, need to spend much time and packet bandwidth overhead on routing information in an IVC ...
... single-path based protocols, which can be further classified into two groups: “tabledriven” and “on-demand. • protocols under high mobility, need to spend much time and packet bandwidth overhead on routing information in an IVC ...
Simulation-Assisted Routing Protocol Design (SARPD)
... requires that the link layer allow any IP device to send a packet directly to any other IP device on that subnet [1]. However, limited radio range, combined with mobility of nodes, means wireless networks do not always comply with the IP Subnet model. In fact, LOS/BLOS radios often require dynamic r ...
... requires that the link layer allow any IP device to send a packet directly to any other IP device on that subnet [1]. However, limited radio range, combined with mobility of nodes, means wireless networks do not always comply with the IP Subnet model. In fact, LOS/BLOS radios often require dynamic r ...
C N+1
... No inherent physical protection physical connections between devices are replaced by logical associations sending and receiving messages do not need physical access to the network infrastructure (cables, hubs, routers, etc.) Broadcast communications wireless usually means radio, which has ...
... No inherent physical protection physical connections between devices are replaced by logical associations sending and receiving messages do not need physical access to the network infrastructure (cables, hubs, routers, etc.) Broadcast communications wireless usually means radio, which has ...
Routing in packet switching networks
... • Fixed-length small cells: 5 byte header + 48 byte data = 53 bytes. – Simplify the implementation of ATM switches and make very high speed operation possible – Many functions can be implemented in hardware – ATM switches are very scalable, such as 10,000 ports with each port running at 150Mbps – Sm ...
... • Fixed-length small cells: 5 byte header + 48 byte data = 53 bytes. – Simplify the implementation of ATM switches and make very high speed operation possible – Many functions can be implemented in hardware – ATM switches are very scalable, such as 10,000 ports with each port running at 150Mbps – Sm ...
Week 4-1 Arp and Ehternet
... A creates link-layer frame with R's MAC address as dest, frame contains A-to-B IP datagram A’s adapter sends frame R’s adapter receives frame R removes IP datagram from Ethernet frame, sees its destined to B R uses ARP to get B’s MAC address R creates frame containing A-to-B IP datagram sends to B ...
... A creates link-layer frame with R's MAC address as dest, frame contains A-to-B IP datagram A’s adapter sends frame R’s adapter receives frame R removes IP datagram from Ethernet frame, sees its destined to B R uses ARP to get B’s MAC address R creates frame containing A-to-B IP datagram sends to B ...