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Fat tree: It is a customized version of tree network. In this network bandwidth of edge (or connecting wire between nodes) increases in the direction of root. It's a more realistic imitation of normal tree where branches get thicker in the direction of root. It's more popular in comparison to structure since practically the more traffic takes place towards the root as compared to leaves therefore if bandwidth does not change the root would be a bottleneck causing more delay. In a tree this problem is avoided due to higher bandwidth.
Figure: Fat tree
Selective Repeat (SR) Selective repeats is a connection oriented protocols in which transmitter and receiver have a window of sequence numbers. SR scheme avoids the unne
What is OLTP? In the transaction server, the client component usually contains GUI and the server components usually having of SQL transactions against a database. These applic
NICs AND NETWORK HARDWARE: NIC is create for one kind of physical network. For example Ethernet interface may not be needed with token ring and similar ATM interface cannot b
Firewall The NAT router allows receiving of number of a data streams. If it receives a transmission in the form of acknowledgement or data streams or error responses from an ex
The Physical layer deals with the definite physical medium and the method of transporting 1s and 0s.
With an object server, the Client/Server application is taken as a set of communicating objects. Client object commune with server objects using an Object Request Broker (ORB). The
Triggers are special user defined actions usually in the form of stored procedures, that are automatically requested by the server based on data related events. It can perform diff
The Internet Layer The internet layer is responsible for routing the data packets to the appropriate destination. Internet protocol (IP) is responsible for ensuring dat
BRIDGES: A bridge is a hardware device also needed to connect two LAN code segments to extend a LAN. A bridge uses two NICs to connect two code segments. It listens to all tr
Q. Define Ring Topology? Dedicated point-to-point arrangement to neighbours Signal is conceded from device to device until it reaches destination Every device functio
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