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Physical Configurations
Transport signal multiplexer de multiplexer. It either signal from multiple sources into a STS singles or de multiplexes and STS signal into different signals .
Regenerator it is a repeater that takes a received optical signal and regenerates it functions in the data link layer. A SONET regenerator replace some of the existing overhead information with new information.
Add drop multiplexer can add signals coming from different sources into a given path or remove a desired signals from a path redirect it without de multiplexing the entire signal .
What are the disadvantages of bus topology? The disadvantages of bus topology are: a. The bus networks are dissimilar to reconfigure, especially when the acceptable number o
Q. What is Retransmission timer? Retransmission timer if an ACK is received previous to the timer goes off - destroy the timer if the timer goes off before ACK a
Q. Illustrate Keep alive and Time-Waited Timer? Keep alive timer To prevent a long inactive connection between two TCPs - Either client or server crash
What is Daemon A daemon is a UNIX background process that implements the server side of a protocol. Daemons are unique to UNIX. For example, FTP stands for the File Transfer
What is NETBIOS and NETBEUI in Networking? NETBIOS is a programming interface that permits I/O requests to be sent to and received from a remote computer and it keeps the netwo
Q. Show Concept Of Permutation Network? In permutation interconnection networks the information transfer necessitates data transfer from input set of nodes to output set of nod
Hello, I have a question which is due tomorrow (2/15/2013) at 11:55pm. The configuration portion of the exercise has been completed. I only need the questions in bold answered (onl
Elaborate the term - Database Connectivity Basic connectivity A number of database management systems are available today such as the Oracle, Sybase, Ingres, etc. Most
By entering a 16 as the hop count, the other routers recognize that the destination is unreachable.
Q. Use of Infrared? - Frequencies among 300 GHz and 400 THz - Short-range communication - High frequencies can't penetrate walls - Necessitate line-of-sight propagati
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