A、to have been fined
B、to be fined
C、having been fined
D、being fined
第1题:
A.Itdropstheconnectionafterthespecifiednumberofloginattemptsfailforanyuser.
B.Itisenforcedonlyifthepasswordprofileisenabledfortheuser.
C.Itlockstheuseraccountafterthespecifiednumberofattempts.
D.ItdropstheconnectionafterthespecifiednumberofloginattemptsfailonlyforuserswhohavetheSYSDBAprivilege.
第2题:
以下()SQL语句可以查询出课程名中只包含“_design”字符串的课程信息。
A.select * from course where cname like '%_design%'
B.select * from course where cname like '%_design%' escape ''
C.select * from course where cname like '%#_design%' escape '#'
D.select * from course where cname like '%*_design%' escape '*'
第3题:
以下()SQL语句可以查询出课程名中只包含“_design”字符串的课程信息。
A.select * from course where cname like '%_design%' escape ''
B.select * from course where cname like '%_design%'
C.select * from course where cname like '%*_design%' escape '*'
D.select * from course where cname like '%#_design%' escape '#'
第4题:
An engineer is reviewing another engineer‘s sample configuration for a GRE tunnel used to pass IPv6 traffiC. The tunnel ha s not yet been configured on the router.Which of the following commands is not required for the configuration to pass IPv6 traffic?()
A. tunnel source
B. tunnel destination
C. tunnel mode
D. All these commands are requireD
第5题:
3、以下()SQL语句可以查询出课程名中只包含“_design”字符串的课程信息。
A.select * from course where cname like '%_design%'
B.select * from course where cname like '%\_design%' escape '\'
C.select * from course where cname like '%#_design%' escape '#'
D.select * from course where cname like '%*_design%' escape '*'
第6题:
3、下列哪一个表述是正确:
A.always@(posedge CLK or RST)
B.always@(posedge CLK or negedge RST or A)
C.always@(posedge CLK or D or Q)
D.always@(posedge CLK or negedge RST)