What network all devices are connected to a device called a hub and communication through it?
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Updated: 05/03/2022 by A hub may refer to any of the following: 1. When referring to a network, a hub is the most basic networking
device that connects multiple computers or other network devices. Unlike a network switch or router, a network hub has no routing tables or intelligence on where to send
information and broadcasts all network data across each connection. Most hubs can detect basic network errors, such as collisions, but having all information broadcast to multiple ports is a security risk and causes
bottlenecks. In the past, network hubs were popular because they were cheaper than a switch or router. Today, switches do not cost much more than a hub and are a better solution for any network. No. A hub is a basic (dumb device) and does not need an IP address. The number of ports on a network hub can vary from 4 to 100 ports depending on the hub. 2. In general, a hub refers to a hardware device that enables multiple devices or connections to connect to a computer. An example is a USB hub, which allows multiple
USB devices to connect to one computer, even though that computer may only have a few USB connections. Pictured is an example of a USB hub. Note In the Device Manager, the root hub is your computer and the first USB hub. Another example of a hub is a FireWire hub, which allows multiple FireWire devices to connect to a computer. Note Devices like an A/B box and a KVM are like a hub in that they allow multiple devices to work with one computer. However, these are different technologies with different abilities. How many ports does a USB hub have?The number of ports on a USB hub can vary from 4 ports to over 100 ports depending on the hub. Bridge, Cascading hubs, Hardware terms, Network terms 1. Repeater – A repeater operates at the physical layer. Its job is to regenerate the signal over the same network before the signal becomes too weak or corrupted so as to extend the length to which the signal can be transmitted over the same network. An important point to be noted about repeaters is that they do not amplify the signal. When the signal becomes weak, they copy the signal bit by bit and regenerate it at the original strength. It is a 2 port device. 2. Hub – A hub is basically a multiport repeater. A hub connects multiple wires coming from different branches, for example, the connector in star topology which connects different stations. Hubs cannot filter data, so data packets are sent to all connected devices. In other words, the collision domain of all hosts connected through Hub remains one. Also, they do not have the intelligence to find out the best path for data packets which leads to inefficiencies and wastage. Types of Hub
3. Bridge – A bridge operates at the data link layer. A bridge is a repeater, with add on the functionality of filtering content by reading the MAC addresses of source and destination. It is also used for interconnecting two LANs working on the same protocol. It has a single input and single output port, thus making it a 2 port device. Types of Bridges
4. Switch – A switch is a multiport bridge with a buffer and a design that can boost its efficiency(a large number of ports imply less traffic) and performance. A switch is a data link layer device. The switch can perform error checking before forwarding data, which makes it very efficient as it does not forward packets that have errors
and forward good packets selectively to the correct port only. In other words, the switch divides the collision domain of hosts, but broadcast domain remains the same. 6. Gateway – A gateway, as the name suggests, is a passage to connect two networks together that may work upon different networking models. They basically work as the messenger agents that take data from one system, interpret it, and transfer it to another system. Gateways are also called protocol converters and can operate at any network layer. Gateways are generally more complex than switches or routers. Gateway is also called a protocol converter. 7. Brouter – It is also known as the bridging router is a device that combines features of both bridge and router. It can work either at the data link layer or a network layer. Working as a router, it is capable of routing packets across networks, and working as the bridge, it is capable of filtering local area network traffic. 8. NIC – NIC or network interface card is a network adapter that is used to connect the computer to the network. It is installed in the computer to establish a LAN. It has a unique id that is written on the chip, and it has a connector to connect the cable to it. The cable acts as an interface between the computer and router or modem. NIC card is a layer 2 device which means that it works on both physical and data link layer of the network
model. Please write comments if you find anything incorrect, or you want to share more information about the topic discussed above. In which network all devices are connected to a device called a hub and they communicate through it?Answer: hi mate here your answer: a central network, all devices are connected to a device called a hub and communicate through it..
What is a hub network device?Hubs. A hub is a physical layer networking device which is used to connect multiple devices in a network. They are generally used to connect computers in a LAN. A hub has many ports in it. A computer which intends to be connected to the network is plugged in to one of these ports.
What is a device called that is connected to a network?Hub. Hubs connect multiple computer networking devices together. A hub also acts as a repeater in that it amplifies signals that deteriorate after traveling long distances over connecting cables.
What is hub in data communication?A network hub is a node that broadcasts data to every computer or Ethernet-based device connected to it. A hub is less sophisticated than a switch, the latter of which can isolate data transmissions to specific devices. Network hubs are best suited for small, simple local area network (LAN) environments.
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