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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
A logic gate drives a load, which has a resistance of 1 kÙ and a capacitance of 20 pF. The printed circuit track connecting the gate to its load has an 40 pF capacitance to ground.
Question : a) Describe the following core components of a cellular based network: i) Cell ii) MSC iii) HLR & VLR iv) PSTN b) Explain why frequency reuse is consi
Introduction of DNS While discussing about the Internet, one things comes automatically in the n=mind and hence it is directly or indirectly depended on DNS. The DNS which sta
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
An FDDI frame or Token Ring frames those points to serious problem with the ring, like a broken cable. The beacon frame carries the address of the station thought to be down.
Explain IBM's SNA Architecture SNA is a computer networking architecture that was formed by IBM to give a network structure for IBM mainframe, midrange, and personal computer s
a) A host is sending a HTTP request to a HTTP server. In the table below, propose a correct set of source and destination port numbers for segments sent from host to server and fr
Q. Explain Stop--and--Wait automatic repeat request? 1. Numbering frames prevents the retaining off duplicate frames. 2. Numbered acknowledgement are needed in case of delay
Firewalls After several security related internet newsgroups started overflowing with posts it becomes clear something hand to done to help secure networks. The first
State the benefits of Infrared light Infrared light does not penetrate walls or other opaque objects. This has two benefits: First, infrared communications can be more simply
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