单项选择题
A.Displays only the list of default values
B.Displays only the list of all basic parameters
C.Displays the currently in effect parameter values
D.Displays only the list of all advanced parameters
E.Displays the list of all the parameter files of a database
F.Displays the current contents of the server parameter file.
单项选择题 YouworkasadatabaseadministratorforCertkiller.com.Youareusingthreedatabase，CertkillerDB01，CertkillerDB02，andCertkillerDB03，ondifferenthostmachinesinyourdevelopmentenvironment.Thedatabaseserverconfiguration，suchasIPaddressandlistenerportnumber，changefrequentlyduetodevelopmentrequirements，andyouhavethetaskofnotifyingthedevelopersofthechanges.Whichconnectionmethodwouldyouusetoovercomethisoverhead？（）
多项选择题 You work as a database administrator for Certkiller .com. Your database is opened in NOARCHIVEKLOG mode. You decide to place the database in ARCHIVELOG mode. How would you do this？（）
单项选择题 You work as a database administrator for Certkiller .com. Your database is in NOARCHIVELOG mode. The database has been configured with three redo logs groups， and there have been five log switches. You lost one non-system-critical data file from your database. Which method would you use to recover the data file？（）