When using asybchronous partial updates with an updatepanel ,which of the following are true?

a.Only the updatepanel and any child controls go through the server lifecycle .

b. The entire page always goes through the entire lifecycle.

c.Only the UpdatePanel which initiated the postback and its child controls can provide updated information.

d.UpdatePanels can not be used with MasterPages.

e.TreeView,Menu,Substitution and Validatio controlscan not be used within and UpdatePanel.