题目内容

Which of the following constraint types can be used to ensure the value of an INTEGER column references only positive values?()

A. Unique
B. Check
C. Referential
D. Informational

查看答案
更多问题

Ahostisexpectedtobeamailrelayorreceivingendpoint.Whichofthefollowingdaemonsshouldbelisteningforconnectionsonport25?()

A. ftpd
B. imapd
C. pop3d
D. sendmail

AnIPaddressis198.37.16.23.Whichofthefollowingrouter’sIPaddressesshouldbeusedtoroutetraffictothe193.130.56.0network?()

A. 193.130.56.0
B. 198.37.16.15
C. 198.130.16.15
D. 198.130.56.15

正式群体最大的关心是人格特性及个人差异,易于忽略成员的忠诚与否。()

企业家在企业文化建设中的作用可以从它所扮演的角色中体现出来。()

答案查题题库