記憶 きおく装置 そうち保護 ほごキーなら
kiokusōchino hogokiinara

Noun
Da Copula

The "-nara" conditional form ("if/when…") of 記憶装置の保護キー

1. If/when it's the protection key of the memory device.; If/when it concerns the memory device's protection key.

Nara Conditional
Computing