Comment on the $2$ arrays regarding $P$ and $Q$ : int $*$a$1[8]$;

int $*($a$2[8])$;

P$.$ Array of pointers

Q$.$ Pointer to an array

$a1$ is $P,a2$ is $Q$

$a1$ is $P,a2$ is $P$

$a1$ is $Q,a2$ is $P$

$a1$ is $Q,a2$ is $Q$