Transmission mode & ip address
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This document provides information about the topics covered in the CSE 317 Computer Networks course, including hub, switch, router, bridge, repeater, transmission modes, and network types. It defines each topic and provides details about how they work. For example, it explains that a hub is a physical layer device that connects multiple devices, while a switch uses MAC addresses to forward data packets only to the targeted device for improved performance. It also defines the differences between simplex, half-duplex and full-duplex transmission modes, and network types like LAN, MAN, WAN and CAN.
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This document provides information about transmission modes in computer networks. It discusses the different types of transmission modes including simplex, half-duplex, and full-duplex. It also defines duplex transmission and describes the differences between full duplex and half duplex transmission. Additionally, it provides brief descriptions of common computer network devices like hubs, routers, and network interface cards. It concludes with explanations of local area networks (LANs), metropolitan area networks (MANs), and wide area networks (WANs).
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There are three main types of data transmission modes in computer networks:
1) Simplex mode allows communication in only one direction.
2) Half-duplex mode allows communication in both directions but only one direction at a time.
3) Full-duplex mode allows both stations to transmit and receive simultaneously through separate transmission paths or divided channel capacity.
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This document provides information about various topics related to computer networks:
- It defines hub, switch, router, bridge, and repeater components and their functions.
- It explains transmission modes like simplex, half-duplex, and full-duplex.
- It describes different types of computer networks including LAN, MAN, WAN, and CAN.
- It provides details about IP addressing and IP address classes.
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Network devices such as hubs, repeaters, bridges, switches, routers, gateways, and brouters are used to establish connections between devices on a computer network. Hubs operate at the physical layer and send data to all connected devices. Repeaters regenerate weak signals between network segments. Bridges operate at the data link layer and filter packets between network segments. Switches operate at the data link and network layers, perform error checking, and improve performance over hubs. Routers operate at the network layer, connect LANs and WANs using IP addresses, and divide broadcast domains. Gateways connect networks using different protocols. Brouters combine the functions of bridges and routers to connect networks using different protocols.
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Network devices connect electronic devices together to share resources. Common network devices used for local area networks include hubs, switches, and routers. Hubs connect multiple devices and duplicate all data received to send it to all ports. Switches intelligently direct data only to the intended port. Routers forward data packets between different networks and subnets and perform traffic directing functions on the internet.
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The document is a lab report submitted by Supriya Debnath for their Computer Networks Lab course. The report describes Experiment 10 which involved connecting a computer, two switches, and a router using copper straight-through connections in Packet Tracer to study router connections. The connections were made according to the provided diagram and the result of the experiment is included in the report.
Computer network lab 9
This document summarizes a computer networks lab experiment on configuring a mail server. The experiment involved setting up a mail server on Packet Tracer with 4 computers connected through a switch to the server. Four user accounts were created on the mail server with different usernames and passwords but the same read and list permissions.
Computer network lab 8
This 3 sentence summary provides the high level and essential information from the document:
The document is a lab report submitted by Supriya Debnath, student ID 1915002506 from the 50th batch of the Computer Science department at City University Dhaka, for experiment number 8 on setting up a DNS server using Packet Tracer which involved using a computer, switch and server connection.
Computer network lab 7
This 3 sentence summary provides the key details from the document:
The document is a lab report submitted by Supriya Debnath, student ID 1915002506 from the 50th batch of City University, Dhaka's computer science department for their Computer Networks Lab course experiment on creating a LAN connection using Packet Tracer that involved connecting one computer and one switch with copper straight-through cables.
Comuter network lab 6
This document is a lab report submitted by Supriya Debnath, student ID 1915002506 from the 50th batch of City University in Dhaka, for their Computer Networks Lab course CSE 318. The report describes Experiment 6 on creating a MAN connection in Packet Tracer using a computer, two switches, and either straight-through or cross-over copper connections.
Computer network lab 5
This document is a lab report submitted by Supriya Debnath for the Computer Networks Lab course experiment on creating a hybrid topology in Packet Tracer. The experiment involved connecting 4 computers and 4 switches in a combination of ring, bus and star configurations using straight-through and cross-over copper connections to form a hybrid network topology.
Computer network lab 4
This document summarizes a computer networks lab experiment on creating a ring topology connection using 4 computers and 4 switches in Packet Tracer. The experiment submission includes the student's name and ID, course details, experiment name and number, diagram of the ring topology connection, equipment used including 4 computers and 4 switches connected with straight-through and cross-over copper cables, and a results section.
Computer network lab 3
This document summarizes a computer networks lab experiment on creating a star topology connection using Packet Tracer. The experiment involved connecting 6 computers to a central switch using copper straight-through cables. The student submitted the results of experiment 3 on a star topology connection to their senior lecturer for the Computer Networks Lab course.
Computer network lab 2
This document is a lab report submitted by Supriya Debnath for the Computer Networks Lab course experiment on Bus Topology. The experiment involved connecting 5 computers to 5 switches using straight-through and cross-over copper connections in a bus topology diagram using Packet Tracer. The report was submitted to the senior lecturer of the CSE department at City University, Dhaka.
Computer network lab 1
This document summarizes a computer networks lab experiment on network topology using Packet Tracer. The experiment involved connecting 4 computers to 4 switches using either straight-through or cross-over copper connections to form a mesh network topology. The document provides details of the course, experiment name, students submitting the work, and diagram and components used.
Osi model
The document summarizes the seven layers of the Open Systems Interconnection (OSI) model:
1) The physical layer transmits raw unstructured data bits electrically or optically across a network.
2) The data link layer packages data into frames and provides flow control and error correction between directly connected nodes.
3) The network layer routes frames between networks using logical addresses like IP addresses.
4) The transport layer manages delivery, sequencing, and transfer of data packets between systems.
5) The session layer controls conversations between computers by setting up, managing and terminating connections.
Satellite
Course Code: CSE 317
Course Title: Computer Network
Topic: Satellite
The document discusses different types of satellites including Low Earth Orbit (LEO) satellites which orbit closest to Earth and are useful for high resolution imaging. It also describes Medium Earth Orbit (MEO) satellites which have an altitude between Low Earth Orbit and High Earth Orbit, and Geosynchronous Earth Orbit (GEO) satellites which orbit at an altitude of about 36,000km above Earth's surface.
Network topology
This document discusses different types of network topologies. It defines network topology as the arrangement of links and nodes in a network and provides examples of physical topologies including star, mesh, tree, ring, point-to-point, circular and hybrid. The document then proceeds to describe the characteristics of several common network topologies - bus, ring, star, mesh, tree and hybrid - in one to three sentences for each.
Cables
The document discusses different types of network cables used in computer networks, including coaxial cable, twisted-pair cable, and fiber-optic cable. It describes coaxial cable as having a thick, round shape with an interior insulation layer. There are two main types of coaxial cable: single-core and multi-core. Twisted-pair cable uses two insulated copper wires twisted around each other to reduce interference, and comes in unshielded and shielded varieties. Fiber-optic cable transfers data in the form of light and can travel hundreds of miles faster than traditional electrical cables.
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Transmission mode & ip address
- 1. Course Code: CSE 317 Course Title: Computer networks Topics: Hub, switch, Router, Bridge, Repeater, Transmission Mode(Simplex, Half-Duplex, Full-Duplex), Computer Network(LAN, MAN,WAN,CAN),IP Address. Submitted To: Pranab Bandhu Nath Senior Lecturer, CSE Department, City University, Dhaka Submitted By: Name: Supriya Debnath ID: 1915002506 Batch: 50th
- 2. Hub: A hub is a physical layer networking device which is used to connect multiple devices in a network. Hub is a network hardware device for connecting multiple Ethernet devices together and making them act as a single network segment. Switch: A network switch is a multiport network bridge that uses MAC addresses to forward data at the data link layer of the OSI model. • Devices are connected to the switch using Ethernet cables creating a small LAN. • The switch learns the MAC addresses of the connected devices. • When traffic needs to go to a specific device, the switch sees the MAC address in the packet and sends it to only that device. Router: Routers are the network devices that route packets between networks. Multiple subnets within the same WAN to the internet connection that allows you to read this article .
- 3. Bridge: A network bridge is a computer networking device that creates a single, aggregate network from multiple communication networks or network segments. This function is called network bridging. Bridging is distinct from routing. • A network switch • A device that can connect two networks using different connection mediums, such as connecting a WLAN to a wired LAN. Repeater: Repeaters are used to extend transmissions so that the signal can cover longer distances or be received on the other side of an obstruction. Repeater has the potential to strengthen signals so as that it are often retransmitted much stronger with better performance. ============================== Simplex: In Simplex mode, the communication is unidirectional, as on a one-way street. Only one of the two devices on a link can transmit, the other can only receive. The simplex mode can use the entire capacity of the channel to send data in one direction. Example: Keyboard and traditional monitors.
- 4. Half Duplex: In half-duplex mode, each station can both transmit and receive, but not at the same time. When one device is sending, the other can only receive, and vice versa. The half-duplex mode is used in cases where there is no need for communication in both directions at the same time. Full Duplex: Full-duplex data transmission means that data can be transmitted in both directions on a signal carrier at the same time. For example, on a local area network with a technology that has full-duplex transmission, one workstation can be sending data on the line while another workstation is receiving data. LAN: A local area network is a computer network that interconnects computers within a limited area such as a residence, school, laboratory, university campus or office building. By contrast, a wide area network not only covers a larger geographic distance, but also generally involves leased telecommunication circuits. Home Wi-Fi networks and small business networks are common examples of LANs.
- 5. Metropolitan Network: A metropolitan area network (MAN) is a computer network that connects computers within a metropolitan area, which could be a single large city, multiple cities and towns, or any given large area with multiple buildings. A MAN is larger than a local area network (LAN) but smaller than a wide area network (WAN). WAN: A wide area network (WAN), is a large network of information that is not tied to a single location. WANs can facilitate communication, the sharing of information and much more between devices from around the world through a WAN provider. CAN: A campus area network (CAN) is a computer network that spans a limited geographic area. CANs interconnect multiple local area networks (LAN) within an educational or corporate campus. Most CANs connect to the public Internet. ... In contrast, MANs and WANs may combine infrastructure operated by several different providers.
- 6. Whereto internet must be exist Mac Address 1 2 Mac Mac Physical Address 48bit 24bit 24bit OUI VS Organization Unit Identifier Vandor Spceification
- 7. Internet Protocol: Protocol means rules and regulation Layer 3 protocol that forwards datagrams across internet Uses routing tables prepared by routing protocols, Open Shortest Path First (OSPF), Routing Information Protocol (RIP) Connectionless service vs connection-oriented (circuits). 32bit iPv4 iP6 Public IP Private IP Id- 0-255 255 still can this assign ID 101. 205. 255. 127 8bit 8bit 8bit 8bit 8bit means octal Network IP = host id IP IP Address
- 8. Class A 1-126 Class B 128-191 Class C 192-223 Class D 224-239 Class E 240-255