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Bridge Is Used To Connect Three Segments Of A Network Case Study

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Bridge Is Used To Connect Three Segments Of A Network Case Study
Questions

1. A bridge is used to connect three segments of a network. Initially there is no data in the table of bridge

a) How the bridge can help in increasing the efficiency of the network?
Bridge work at layer 2 of the OSI model, accordingly adding a bridge to an existing network is totally straightforward and does not oblige any changes to the network's structure. Every bridge keeps up a sending table, which comprises of MAC Address, Port affiliations. At the point when a packet is gotten on one of the bridge ports, the sending table is naturally updated to guide the source MAC address to the system port from which the packet originated, and the gateway forms the got packet as per the packet's type.

b) How the bridge can fill in its
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If the destination MAC address is found in the table, the packet is sent to the relating port. On the off chance that the destination IP address is found in the bridge IP address scope of precisely one port, the IP address is transmitted to that port. The gateway then sends an ARP inquiry to each of the significant ports. If a host reacts to the ARP ask for packet with an ARP reply, the forwarding table is updated with the right MAC Address, Port affiliation. Consequent packets will be sent utilizing the forwarding table.

c) What should a bridge do when the destination is not in its table?
If the destination MAC address is not found in the forwarding table, the destination IP address is searched for in all the defined bridge IP address ranges.

2. Differentiate the
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In OSI, transport layer sureties’ delivery of packets. It has level methodology. Separate presentation layer and session layer. Network layer gives both connectionless and connection oriented services. It characterizes the administrations, interfaces and protocols plainly and makes a reasonable distinction between them. The protocol are better concealed and can be effortlessly replaced as the innovation changes. OSI really is a general model. It has an issue of protocol separating into a model

TCP/IP

TCP/IP has 4 layers. Transport layer does not guarantees delivery of packets. It has a vertical methodology. TCP/IP has no session layer, attributes are given by transport layer and no presentation layer, and attributes are given by application layer. Network layer gives just connection less services. It doesn't unmistakably recognizes service interface and protocols. It is not simple to replace the protocols. TCP/IP cannot be utilized for some other application. The model does not fit any protocol stack.

c) TCP vs UDP

TCP

TCP is connection-based protocol. At the point when a data or message send it will get conveyed unless connection status faces failure. In the event that connection lost, the server will initiate request for the lost part. There is no defilement or corruption while transferring a

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