The flicker of impatience in the husband's eyes melts into bemused______ as his wife asks

A．javax.servlet.http.HttpServletRequest

B．javax.servlet.http.HttpSessionContext

C．javax.servlet.http.HttpServletResponse

D．javax.servlet.http.HttpSessionBindingEvent

E．javax.servlet.http.HttpSessionAttributeEvent

A．3/2

B．3<2

C．3*4

D．3<<2

E．3*22

F．3<<<2

A．System.load（"prop.custom"）；

B．System.getenv（"prop.custom"）；

C．System.property（"prop.custom"）；

D．System.getProperty（"prop.custom"）；

E．System.getProperties（）.getProperty（"prop.custom"）；

sto develop asolution by using a SQLServer2008instance.The solutionhasthefollowingbusinessrequirements:ImportdatafromvariousdatasourcessuchasMicrosoftOfficeExcel,Microsoft SQL Server2000,MicrosoftSQLServer2005,andCSVfiles.Profilethesourcedatabeforeitisimported.Providecollaborationandofflinecapabilitiestomobileusers.Allowmobileuserstouseheterogeneousdatastores.YouneedtoconfiguretheappropriateSQLServercomponentstoaccomplishthebusinessrequirements.Youwanttoachievethisgoalbyusingtheminimum amountofadministrativeeffort.

Whichtwo SQL Server componentsshould you use？（）

A．df=newDateFormat（）；

B．df=Date.getFormatter（）；

C．df=date.getFormatter（）；

D．df=date.getDateFormatter（）；

E．df=DateFormat.getDateInstance（）；

F．df=DateFormat.getInstance（）；

A．${cart=null}

B．<c：removevar="cart"/>

C．<c：removevar="${cart}"/>

D．<c：removevar="cart"scope="session"/>

E．<c：removescope="session">cart</c：remove>

Giventhetwosecurityconstraintsinadeploymentdescriptor：

101.<security-constraint>

102.<!--acorrecturl-patternandhttp-methodgoeshere-->

103.<auth-constraint><role-name>SALES</role-name></auth-.<auth-constraint>

104.<role-name>SALES</role-name>

105.</auth-constraint>

106.</security-constraint>

107.<security-constraint>

108.<!--acorrecturl-patternandhttp-methodgoeshere-->

109.<!--Insertanauth-constrainthere-->

110.</security-constraint>

Ifthetwosecurityconstraintshavethesameurl-patternandhttp-method

whichtwo insertedindependentlyatline109，willallowuserswithrolenamesofeitherSALESorMARKETINGtoaccessthisresource？（）