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Is mesh topology multipoint topology?
Mesh topology is not typically classified as a multipoint topology. In mesh topology, each device is connected to multiple other devices, creating a network where data can be routed through multiple paths, enhancing redundancy and reliability. In contrast, multipoint topology often refers to a single communication channel shared among multiple devices, where only one device can transmit at a time. Therefore, while both topologies involve multiple devices, their structures and functionalities differ significantly.
Which LAN topology is characterized by all devices being daisy-chained together with the devices at each end being connected to only 1 other device?
Bus technology. which uses coax wire and terminators.
What is computer network topologies?
Here are some common types of network topologies: Bus Topology: In a bus topology, all devices are connected to a single central cable (the bus). Data travels along the bus and is received by all devices on the network. Each device has a unique address, and devices communicate directly with the bus. Star Topology: In a star topology, each device is connected directly to a central hub or switch. All data passes through the central hub, which manages and controls the flow of information between devices. If one device fails, it does not affect the rest of the network. Ring Topology: In a ring topology, each device is connected to two other devices, forming a closed loop or ring. Data travels in one direction around the ring. Devices act as repeaters to strengthen the signal as it passes through each device. Mesh Topology: In a mesh topology, every device is connected to every other device in the network. This creates multiple paths for data to travel, enhancing reliability and fault tolerance. Mesh networks can be full mesh (every device connected to every other device) or partial mesh (only some devices are interconnected). Tree Topology: Tree topology combines characteristics of star and bus topologies. Devices are arranged in a hierarchical structure, with multiple star networks connected to a central bus backbone. This allows for scalability and efficient data flow. Hybrid Topology: Hybrid topology combines two or more different types of topologies to form a larger network. For example, a network might combine elements of star and mesh topologies to create a more flexible and scalable network infrastructure. Each type of network topology has its advantages and disadvantages in terms of cost, scalability, reliability, and ease of management. The choice of topology depends on factors such as the size of the network, the type of applications used, and the level of redundancy and fault tolerance required.
When only a few microcomputers are to be linked then the bus network is typically used?
Bus topology LANs are very rare these days. It would be easier to use a star topology than a bus topology for a few devices.
What is the network topology which send data in one direction only?
The network topology that sends data in one direction only is called a "ring topology." In a ring topology, each device is connected to two other devices, forming a circular data path. Data travels around the ring in a single direction, passing through each device until it reaches its destination. This setup can simplify the transmission process but may lead to issues if one connection fails, as it can disrupt the entire network.
What are the characteristics of the star topology?
In a star topology, each device connects to a central network connectivity device such as a hub, switch, or router. These devices would be connected as a "star" (points on a star). The other characteristic of a star topology is that a failing connection will only affect the failed device unless that device is the connectivity device. This means that in most cases a failing device on a star will not take down the entire network. Another characteristic of a star is that they are easily expandable and scalable.
Which network topology will allow all devices to continue to communicate with each other should a network cable fail A bus B extended star C mesh D ring E star?
Only a Mesh will allow every node to continue to work on a network if one cable does down. In a Star topology, however, only the computer the cable was connected to would lose contact with the network.
What topology does a token ring network use?
A token ring network uses a physical topology that is often depicted as a circular arrangement, where devices (nodes) are connected in a closed loop. Each node is connected to a central medium, and a token circulates around the ring, granting permission to transmit data to the node that holds it. This structure ensures that only one device can send data at a time, reducing collisions and improving network efficiency.
Explain the function of crossbar switching system?
In a network, a cross-bar switch is a device that is capable of channeling data between any two devices that are attached to it up to its maximum number of ports. The paths set up between devices can be fixed for some duration or changed when desired and each device-to-device path (going through the switch) is usually fixed for some period. Cross-bar topology can be contrasted with bus topology, an arrangement in which there is only one path that all devices share. Traditionally, computers have been connected to storage devices with a large bus. A major advantage of cross-bar switching is that, as the traffic between any two devices increases, it does not affect traffic between other devices. In addition to offering more flexibility, a cross-bar switch environment offers greater scalability than a bus environment.
What was the advantage of replacing a physical bus topology with a physical star topology using hubs?
The advantage is in fault detection; in a bus topology any break in any wire segment would cause the entire LAN to fail. With a star topology, a break in any wire segment only affects the one client connected to the network.
How can a physically connected star hub logically be considered a bus network?
in the star topology central system switch or hub act as a central devices and if it fails whole the system will fail, in star topology if one station only transmit at a time other wise the collision will occur and it will broadcast the data like a bus.so it contains the properties like bus that's why said that it is logically a bus
Which topology is common these days Justify your answer with five reasons?
One of the most popular topologies for Ethernet LANs is the star and extended star topology. It is easy to setup, it's relatively cheap, and it creates more redundancy than the Bus Topology. The Star Topology works by connecting each node to a central device. This central connection allows us to have a fully functioning network even when other devices fail. The only real threat to this topology is that if the central device goes down, so does the entire network. The Extended Star Topology is a bit more advanced. Instead of connecting all devices to a central unit, we have sub-central devices added to the mix. This allows more functionality for organization and subnetting- yet also creates more points of failure. In many cases it is impractical to use a Star Topology since networks can span an entire building. In this case, the Extended Star Topology is all but necessary to prevent degraded signals. Whereas the Star Topology is better suited for small networks, the Extended Star Topology is generally better for the larger ones.
