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Computer and multimedia networks (FM)
... Connectionless: message to be sent is single datagram. The only thing UDP provides is multiplexing and error detection through a checksum. Much faster than TCP, however it is unreliable In most real-time multimedia applications (e.g., streaming video or audio), packets that arrive late are s ...
... Connectionless: message to be sent is single datagram. The only thing UDP provides is multiplexing and error detection through a checksum. Much faster than TCP, however it is unreliable In most real-time multimedia applications (e.g., streaming video or audio), packets that arrive late are s ...
PPT - Pages
... – Send query: Request-reverse [ether addr], server responds with IP • Used primarily by diskless nodes, when they first initialize, to find their Internet address ...
... – Send query: Request-reverse [ether addr], server responds with IP • Used primarily by diskless nodes, when they first initialize, to find their Internet address ...
NetGrok A Visualization Tool for Network Administrators
... reduces visual complexity • Application of filter and selection widgets to network visualization • Visualization framework for real-time IP data flows ...
... reduces visual complexity • Application of filter and selection widgets to network visualization • Visualization framework for real-time IP data flows ...
Network Fundamentals
... Connectivity: refers to a measure of the effectiveness and efficiency of computer based devices to communicate and share information and messages without human intervention. It is achieved by the use of communication protocol standards. Protocols: deals with the specifics of how a certain task will ...
... Connectivity: refers to a measure of the effectiveness and efficiency of computer based devices to communicate and share information and messages without human intervention. It is achieved by the use of communication protocol standards. Protocols: deals with the specifics of how a certain task will ...
Module 2
... information is entered for that network number in the routing table • If a network is not locally attached, the router must “know” what the next hop in the route is – This next hop IP address is entered into the routing table – This can be done automatically or dynamically • Dynamic routing is beyon ...
... information is entered for that network number in the routing table • If a network is not locally attached, the router must “know” what the next hop in the route is – This next hop IP address is entered into the routing table – This can be done automatically or dynamically • Dynamic routing is beyon ...
What is a Network?
... As hubs became less expensive, extra hubs were often used a repeaters in more complex networks Hubs are layer one devices (physical/electrical devices) and do not alter frames or make decisions on traffic it sees ...
... As hubs became less expensive, extra hubs were often used a repeaters in more complex networks Hubs are layer one devices (physical/electrical devices) and do not alter frames or make decisions on traffic it sees ...
computer networking
... • Multimode fiber are used for Local Area Networks (LAN) where the network links can be up to 2,000 meters. Two standard sizes of core are offered: 62.5 μm and 50 μm (with better performances). Multimode fiber have a graded index profile to reduce the dispersion of the signal during the transmission ...
... • Multimode fiber are used for Local Area Networks (LAN) where the network links can be up to 2,000 meters. Two standard sizes of core are offered: 62.5 μm and 50 μm (with better performances). Multimode fiber have a graded index profile to reduce the dispersion of the signal during the transmission ...
IntroductiontoInform.. - Home (www.dginter.net)
... • Caller Dials Number • PSTN finds receiver and creates connection. • Receiver Phone Rings. Receiver Picks Up • Caller Identifies themselves. • Both talk using the same language. ...
... • Caller Dials Number • PSTN finds receiver and creates connection. • Receiver Phone Rings. Receiver Picks Up • Caller Identifies themselves. • Both talk using the same language. ...
Chapter03
... Internet Control Message Protocol (ICMP) works at the Network layer and is used by IP for many different services. •ICMP is a management protocol and messaging service provider for IP. •Its messages are carried as IP datagrams. ICMP packets have the following characteristics: • They can provide host ...
... Internet Control Message Protocol (ICMP) works at the Network layer and is used by IP for many different services. •ICMP is a management protocol and messaging service provider for IP. •Its messages are carried as IP datagrams. ICMP packets have the following characteristics: • They can provide host ...
Chp. 4, Part I - comp
... – Take a longer time for the protocol to converge. – Take a longer time to respond to network state changes. ...
... – Take a longer time for the protocol to converge. – Take a longer time to respond to network state changes. ...
Using port pairing to simplify transparent mode
... Using port pairing to simplify transparent mode When you create a port pair, all traffic accepted by one of the paired ports can only exit out the other port. Restricting traffic in this way simplifies your FortiGate configuration because security policies between these interfaces are preconfigured. ...
... Using port pairing to simplify transparent mode When you create a port pair, all traffic accepted by one of the paired ports can only exit out the other port. Restricting traffic in this way simplifies your FortiGate configuration because security policies between these interfaces are preconfigured. ...
Deployment of Broad Band WMAN using Wi
... Each MAC packet consists of the three components, A MAC header, which contains frame control information. A variable length frame body, which contains information specific to the frame type. A frame check sequence (FCS), which contains an IEEE 32-bit cyclic redundancy code (CRC). ...
... Each MAC packet consists of the three components, A MAC header, which contains frame control information. A variable length frame body, which contains information specific to the frame type. A frame check sequence (FCS), which contains an IEEE 32-bit cyclic redundancy code (CRC). ...
Computer Network - Forman Christian College Wiki
... • A special-purpose computer that directs data traffic when several paths are available • A router examines the destination info in each arriving packet and then routes it through the most efficient path available • The router either delivers the packet to the destination computer across a local net ...
... • A special-purpose computer that directs data traffic when several paths are available • A router examines the destination info in each arriving packet and then routes it through the most efficient path available • The router either delivers the packet to the destination computer across a local net ...
Slide 1 - IITK - Indian Institute of Technology Kanpur
... PREVENT HACKING OF WIRELESS NETWORKS CONTD… • Hide the Service Set ID or SSID :Sometimes changing the SSID is also not full proof as hackers have advanced methods to intrude into a wireless network if the SSID is known. To prevent such cases the SSID needs to be hidden. Router configuration softwar ...
... PREVENT HACKING OF WIRELESS NETWORKS CONTD… • Hide the Service Set ID or SSID :Sometimes changing the SSID is also not full proof as hackers have advanced methods to intrude into a wireless network if the SSID is known. To prevent such cases the SSID needs to be hidden. Router configuration softwar ...
Network Security: It`s Time to Take It Seriously
... --Proxy firewalls act as mediator between two devices attempting to communicate through the firewall. It provide proxy service to terminates events flow at one side and examine the data in the flow, then re-create the flow at the other side. ...
... --Proxy firewalls act as mediator between two devices attempting to communicate through the firewall. It provide proxy service to terminates events flow at one side and examine the data in the flow, then re-create the flow at the other side. ...
Basic Networking
... o Sends out broadcast message to that IP asking for MAC o Waits for a response from the computer with the IP o Adds the hosts's IP and MAC address to an ARP table ...
... o Sends out broadcast message to that IP asking for MAC o Waits for a response from the computer with the IP o Adds the hosts's IP and MAC address to an ARP table ...
EE 3760 chapter 7 - Seattle Pacific University
... network) do with an IP message? • Ethernet uses MAC addresses for routing • IP address is nice, but useless • ARP - Address Resolution Protocol • Router/Host broadcasts an ARP Request • Contains the IP address of desired destination • Host with matching IP address responds • ARP Reply broadcasts MAC ...
... network) do with an IP message? • Ethernet uses MAC addresses for routing • IP address is nice, but useless • ARP - Address Resolution Protocol • Router/Host broadcasts an ARP Request • Contains the IP address of desired destination • Host with matching IP address responds • ARP Reply broadcasts MAC ...
Chapter 1 - William Stallings, Data and Computer
... overheads to compensate for errors modern systems are more reliable errors can be caught in end system Frame Relay provides higher speeds with most error control overhead removed ...
... overheads to compensate for errors modern systems are more reliable errors can be caught in end system Frame Relay provides higher speeds with most error control overhead removed ...
What is a Network
... An intranet is a private network that is contained within an enterprise. It may consist of many interlinked local area networks and also use leased lines in the wide area network. Typically, an intranet includes connections through one or more gateway computers to the outside Internet. The main purp ...
... An intranet is a private network that is contained within an enterprise. It may consist of many interlinked local area networks and also use leased lines in the wide area network. Typically, an intranet includes connections through one or more gateway computers to the outside Internet. The main purp ...
Network Topology - Department of Computing
... Max distance between a computer and hub/switch is restricted based on cable used. ◦ With UTP cable, distance limited to 100m. Popular topology for LAN (local area networks) Adv: Failure of any computer does not affect other communications in the network Disadv: Failure of hub/switch can bring the ne ...
... Max distance between a computer and hub/switch is restricted based on cable used. ◦ With UTP cable, distance limited to 100m. Popular topology for LAN (local area networks) Adv: Failure of any computer does not affect other communications in the network Disadv: Failure of hub/switch can bring the ne ...
Part I: Introduction - University of Pittsburgh
... CA – avoid collision by getting permission first Ethernet and Wi-Fi? ...
... CA – avoid collision by getting permission first Ethernet and Wi-Fi? ...
9. telecommunications
... • The Internet uses Packet switching – Files and messages are broken down into packets, which are electronically labeled with their origin and destination – The destination computer collects the packets and reassembles the data from the pieces in each packet – Each computer the packet encounters dec ...
... • The Internet uses Packet switching – Files and messages are broken down into packets, which are electronically labeled with their origin and destination – The destination computer collects the packets and reassembles the data from the pieces in each packet – Each computer the packet encounters dec ...
Introduction to Computer Networks
... An IP address is a series of numbers that allows one computer to talk with another over a network. IP addresses allow the location of literally billions of computers that are connected to the Internet to be pinpointed. In the same way that someone needs your mailing address to send you a letter, a r ...
... An IP address is a series of numbers that allows one computer to talk with another over a network. IP addresses allow the location of literally billions of computers that are connected to the Internet to be pinpointed. In the same way that someone needs your mailing address to send you a letter, a r ...
How to config 7228APn7416APn as Repeater
... Go to Command Prompt window. For Windows XP, click on Start -> Run -> Enter “cmd” hit OK. For Windows 7/Vista, click on Start -> in the field of “Search programs and files”, enter “cmd” hit the Enter key. You will get into the command prompt window. Enter the PING command to ping the IP address of y ...
... Go to Command Prompt window. For Windows XP, click on Start -> Run -> Enter “cmd” hit OK. For Windows 7/Vista, click on Start -> in the field of “Search programs and files”, enter “cmd” hit the Enter key. You will get into the command prompt window. Enter the PING command to ping the IP address of y ...