A.一旦補(bǔ)丁可用就應(yīng)當(dāng)進(jìn)行補(bǔ)丁部署
B.一旦補(bǔ)丁經(jīng)過(guò)測(cè)試就應(yīng)當(dāng)進(jìn)行補(bǔ)丁部署
C.一旦補(bǔ)丁經(jīng)過(guò)測(cè)試并且回退策略經(jīng)過(guò)測(cè)試就應(yīng)當(dāng)進(jìn)行補(bǔ)丁部署
D.一旦補(bǔ)丁經(jīng)過(guò)測(cè)試并且回退策略經(jīng)過(guò)部署就應(yīng)當(dāng)進(jìn)行補(bǔ)丁部署