Questões de Concurso Público TRE-PR 2017 para Técnico Judiciário - Programação de Sistemas

Consider the following Facelets code.

<h:form id="form1">

<h:panelGrid id="panel1" rows="2">

<!-- conteúdo -->

</h:panelGrid>

</h:form>

<h:form id="form2">

<h:commandButton id="button">

<f:ajax render=":form1:panel1 panel2" />

</h:commandButton>

<h:panelGrid id="panel2">

<!-- conteúdo -->

</h:panelGrid>

</h:form>

When the button is pressed,