Ruby requires that all variables be formally declared prior to its use.

To manage authorized connections to external networks, which server would a client/server network include?

a. database c. communications b. authentication d. application

Which problem is resolved by distributed processing?

a. Lack of security in decentralized processing b. Lack of responsiveness in centralized processing c. Lack of individuality in decentralized processing d. Lack of coordination in centralized processing