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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
what is due care
Sequence Number After the bytes have been numbered TCP assigns a sequence number to each segment that is being sent. These sequence number for each segment is the numb
S t d "B" 9 m C-BAND EARTH STATION (2001) This Earth Station is aligned with INTEL SAT IOR 66° and provide domestic connectivity. R-Sat (Regional Satellite) i
What needs should a VPN fulfill?
Q. TCP – numbering bytes? Numbering is utilized for flow & error control Segments aren't numbered only bytes Full-duplex connection - numbering is independent in
Q. Show Nonreturn to Zero encoding? - Value of signal is for all time positive or negative - NRZ-L Signal level depends on bit represented; positive typically means 0
What is CRC and Checksum CRC (Cyclic redudancy check) CRC, is the most powerful of the redundancy checking methods, is based on binary division. Checksum Checksum
IPv6 packet Format The format of an IPv6 header is shown in figure. Although IPv6 addresses are four times the size of IPv4 address the basic IPv6 header is only twice
a. If a password to a cipher is exactly 8 characters long, and each character can be selected from [0-9], [a-z], and [A-Z], how many different passwords are possible? b. Suppose
Reliability Reliability is the measure of how often a network is usable. MTSF( Mean time Between Failure) is a measure of the average time a component is expected to ope
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