Which statements regarding architecture functions are true? $($Multiple$)$

$1.$ Architecture functions add direct and measurable business value to organizations

$2.$ Architecture functions in most cases report directly to CIOs

$3.$ Architecture functions always employ enterprise architects and solution architects

$4.$ Architecture functions are typically embodied as planning subunits of IT departments

$5.$ The ideal structure of architecture functions is almost identical for all organizations

$6.$ Architecture functions host one or more architecture governance bodies