Which of the following commands can you use with PowerShell in Windows 10 to obtain help? (Choose all that apply.)

Answer the following statements true (T) or false (F)

1) File TNSNAMES.ORA contains the names of default roles and initial users. 2) Three major areas of Oracle architecture are SGA, background processes and physical storage structures. 3) A user needs CONNECT and RESOURCE roles to create a table in own schema. 4) The replication method uses separate databases by duplicating the entire implementation of a database on multiple computer systems. 5) The hot standby database method uses only one database at a time, and the other standby copy is in recover mode at all times.

Many web-based e-mail providers offer _______________ services, such as Yahoo! Messenger and Google Talk.

Fill in the blank(s) with the appropriate word(s).