Briefing Magento Knowledge

what is the effect on the layout update object instance?

When $ this ->load Layout (‘ foo_bar_baz’) is called in a standard front action, what is the effect on the layout
update object instance?

A.
foo_bar_baz will be the only handle added

B.
loadLayout () does not take any arguments, so there is no effect

C.
Only two handles will be added: foo_bar_baz and default

D.
Foo_bar_baz will be added instead of the default handle