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Q: If central device fails in star topology?
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Which topology uses a central device for point-to-point connections to other devices?

A star topology; a network topology in which endpoints on a network are connected to a common central device by point-to-point links.


What type of device is usually found at the center of an extended star topology?

both hubs and switch can act as a center of a star topology


Which type of network topology has a central connection device which each computer on the network is connected to?

STAR Topology


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.


Explain star connection?

A network star topology has all the clients connect to a central device, such as a hub or switch. The clients look like points of a star, hence the term star topology.


The topology that uses a central hub is?

A star topology.


Deine the topology and explain the advantage and disadantage of bus star and ring topology?

Topology is the structure that describes how devices in a Network are connected.Bus Topology: Directly connects all devices to network i.e utilises a single Physical medium for Data transmission between devices.Star Topology: Connects all devices in network through a Central Network connecting device such as Hubs & Switches.Advantage of Bus Topology is that less connecting cable is used.Advantage of Star Topology is that Network can function in case one or more devices fail.Disadvantage of Bus Topology is that whole Network goes down if one device fails.Disadvantage of Star Topology is that it requires physical connecting medium from Central device to the connecting device i.e more expensive.


Which topology requires a central controller or hub?

Star topology


Why is the star topology the best topology?

Scalability and reliabillty of star topology makes it the best, easy to remove or add a device.


What network use star topology?

Star topology:- In this topology all PC are connected with the central device. Central may be HUB and SWITCH. Star widely use in all over word. Ring topology:- In this ring topology all PC are connected in the frame of ring are close Ring topology use MSAU each PC has a two never road one is called up Stream and called down stream. It used token passing Matterhorn which implement the token ring network. " Is the best of star topology".


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.


Which topology provides each device with a point to point connection to every other device in the network?

star topology