$VAR1->{ETPT}

##</code><code>##

$VAR1->{ETPT}{SERVER}

##</code><code>##

$VAR1->{ETPT}{SERVER}[0]{RESPONSE}    # First element of the array
$VAR1->{ETPT}{SERVER}[1]{RESPONSE}    # Second element of the array

##</code><code>##

for (@{$VAR1->{ETPT}{SERVER}}) {
   # here $_->{RESPONSE} is each response of the array
}