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Ashokkumar
2016-03-14 05:35:16 
Using Sockets, create client server process to implement the following:

Client process c1 reads a bank credit card number from user after validation it passes that number to a server process s1, server s1 encrypts the number and passes the result to the server process s2. s2 decrypts the number using that as the key searches its database for matching record. If there is a match, the record details are retrieved and again encrypted in s2. The encrypted details are again sent from s2 to s1 for decryption and display. If there is no matching an error message is sent to s1.
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JAMES
2015-06-20 18:06:21 
a country bus owns a number of buses.Each bus is allocated to a particular route although some routes may have several buses.Each route passes through a number of towns. One or more drivers is allocated to each stage of a route which corresponds to a journey through some or all of the towns on a route.Some of the towns have a garage where buses are kept and each of the buses are identified by their registration number and can carry different numbers of passengers,since the vehicles vary in size can be single or double decked.Each route is identified by a route number and information is available on the average number of passengers carried per day for each route.Drivers have an employee number,name,address,and sometimes a telephone number.Develop an ERD?
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