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How does a Token-Passing Protocol works?
The token-passing protocol relies on a control signal known as the token. A token is a 24-bit packet that circulates throughout the network from NIC to NIC in an orderly fashion. If a workstation needs to transmit a message, first it must seize the token. At that point, the workstation has complete control over the communications channel. The existence of only one token eliminates the possibility of signal collisions. This means that only single station can speak at a time.
Define Routing? The process of determining systematically hoe to forward messages toward the destination nodes based on its address is known as routing.
What are the disadvantages of Star Topology? The disadvantages are considered as follows: a. Needs more cable than most topologies. b. Moderately complex to install.
Can you describe the concept of DHCP?
Recalling two FEC schemes for internet phone described. Suppose the first scheme generates a redundant chunk for every four original chunks. Suppose the second scheme uses a low-ra
Topologies in computer network ?
Bridge A bridge operation sin both physical and data link layer of OSI model. At physical layer it works like repeater as it regenerates the signal and performs int
What are the Access methods used in LAN: i. Switched access: It is used in LANs which are assigned around CBXs. Electronic switching is techniques are used to provide access
1. A low voltage digital device has a low state of 0 V and a high state of 1.8 V. It generates a signal train of high pulses at a rate of 1 MHz, these pulses having a 10 ns width a
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
Calculate the Network Address, the broadcast address and the host range, for the following host address i. 192.168.180.94/27 ii. 172.23.8.19 /21 iii. 147.252.238.20 255.255.240.0 b
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