In FTP, if the client needs to retrieve one file from the server site and store one file on the server site, how many control connections and how many data transfer connections are needed

In RPC (remote procedure call), while a server is processing the call, the client is blocked a. unless the client sends an asynchronous request to the server b. unless the call processing is complete c. for the complete duration of the connection d. none of the above

When using IPsec, each and every computer is required to have its very own, one-of-a-kind set of private keys; however, it is not quite obvious how this may be achieved.

The DHCP policy defines a set of criteria to use when deciding whether to accept a request from a client. In client/server networks, there are two kinds of policy settings that provide for more flexibility in typical real-time situations.