- ISDN (Integrated Services Digital Network) is an all digital communications line that allows for the transmission of voice, data, video and graphics, at very high speeds, over standard communication lines. Please enter the OTP sent to your mobile number: A computer network is a set of computers connected together for the purpose of sharing resources. Thank you friends for your support and encouragement.. good presentation saurabh kumar paul from dhanbad niit. 0000000667 00000 n
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. Networking ppt 1. 1. ISDN Configuration. "email@example.com", I like your blog post.
Lecture 1 : Introduction to Computer Networks – A brief history: Download: 2: Lecture 2: Data Networks – from Circuit Switching Network to Packet Switching Network: Download: 3: Lecture 3 : Network Protocol Stack: Download: 4: Lecture 4 : Services at the Different Layers of the Protocol Stack: Download: 5
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. 1. Bus Topology Star Topology Hub Ring Topology, , Bus Topology ' Simple and low-cost A single cable called a trunk (backbone, segment Only one computer can send messages at a time Passive topology - computer only listen for, not regenerate data Star Topology Each computer has a cable connected to a single point More cabling, hence higher cost All signals transmission through the hub; if down, entire network down Depending on the intelligence of hub, two or more computers may send message at the same time 26, How to construct a network with Bus / Star Topology? . You can change your ad preferences anytime.
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PowerPoint Lecture Slides for Computer Networks, 5th Edition Download Figure Slides (application/zip) (16.6MB) Download Lecture Slides (application/zip) (28.1MB) ... (plain old telephone service) Integrated Services Digital Network Basic Rate Interface in ISDN Doorbell wiring CAT 2 4 Mbps Mainly used in the IBM Cabling System for token ring networks CAT 3 16 Mbps Voice and data on 10BASE-T Ethernet (certify 16Mhz signal) CAT 4 20 Mbps Used in 16Mbps Token Ring Specs describe … Other shared resources can include a printer or a file server. data communication Do you prefer these?
Need to search for the problematic node one by one Ease of troubleshooting network can still run network will fail network can still run Node failure network will fail network will fail network can still run Host failure no yes It has no connection between the nodes. The most common resource shared today is connection to the Internet. Computer Networks Syllabus(Savitribai Phule Pune University (SPPU)) Unit-I Application Layer:PPTs OSI Model Block Diagram(For Video Click here), Application layer protocols: Functionality and header formats(For Video Click Here), HTTP, DNS, FTP, SMTP, TELNET, DHCP. There are three specifications in the family: 802.11, 802.11a, and 802.11b.
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