正常人在安静、清醒、闭目状态时，所记录的脑电图主要是A．α波B．β波C．δ波D．θ波E．α和β波

A.（i==l）

B.（i==d）

C.（d==l）

D.（i.equals（d））

E.（i.equals（i））

F.（i.equals（42））

GivenanELfunctiondeclaredwith：11.<function>12.<name>spin</name>13.<function-class>com.example.Spinner</function-class>14.<function-signature>15.java.lang.StringspinIt（）16.</function-signature>17.</function>Whichtwoaretrue？（）

A.Thefunctionmethodmusthavethesignature：publicStringspin（）.

B.Themethodmustbemappedtothelogicalname"spin"intheweb.xmlfile.

C.Thefunctionmethodmusthavethesignature：publicStringspinIt（）.

D.ThefunctionmethodmusthavethesignaturepublicstaticStringspin（）.

E.Thefunctionmethodmusthavethesignature：publicstaticStringspinIt（）.

F.ThefunctionclassmustbenamedSpinner，andmustbeinthepackagecom.example.

A.${userName}

B.${cookie.userName}

C.${cookie.user.name}

D.${cookies.userName[0]}

A.${param.num[0]，[1]and[2]}

B.${paramValues[0]，[1]and[2]}

C.${param.num[0]}，${param.num[1]}and${param.num[2]}

D.${paramValues.num[0]}，${paramValues.num[1]}and${paramValues.num[2]}

E.${paramValues["num"][0]}，${paramValues["num"][1]}and${paramValues["num"][2]}

A.ConstOver（）{}

B.protectedintConstOver（）{}

C.privateConstOver（intz，inty，bytex）{}

D.publicObjectConstOver（Intx，inty，intz）{}

E.pubicvoidConstOver（bytex，bytey，bytez）{}

Given：11.<%12.request.setAttribute（"vals"，newString[]{"1"，"2"，"3"，"4"}）；13.request.setAttribute（"index"，"2"）；14.%>15.<%--insertcodehere--%>WhichthreeELexpressions，insertedatline15，arevalidandevaluateto"3"？（）

A.${vals.2}

B.${vals["2"]}

C.${vals.index}

D.${vals[index]}

E.${vals}[index]

F.${vals[vals[index-1]]}

A.Form-basedloginsshouldNOTbeusedwithHTTPS.

B.WhenusingBasicAuthenticationthetargetserverisNOTauthenticated.

C.J2EEcompliantwebcontainersareNOTrequiredtosupporttheHTTPSprotocol.

D.Webcontainersarerequiredtosupportunauthenticatedaccesstounprotectedwebresources.

A.request.getCookies（）

B.request.getAttributes（）

C.request.getSession（）.getCookies（）

D.request.getSession（）.GetAttributes（）

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？（）

A.HTTPBasicAuthentication

B.FormBasedAuthentication

C.HTTPDigestAuthentication

D.HTTPSClientAuthentication