Which of the following statements describe a client/server model ? Select one or more: a. Computer transactions using the client/server model are very common. b. Client/server describes the relationship between two computer programs in which one program, the server, makes a service request from another program, the client, which fulfills the request. c. Although the client/server idea can be used by programs within a single computer, it is a more important idea in a network. d. In a network, the client/server model provides a convenient way to interconnect programs that are distributed efficiently across different locations. e. Client/server computing or networking is a distributed application architecture that partitions tasks or work loads between service providers (servers) and service requesters, called clients.