Ko te rereketanga nui i waenga i aapa-2 whakawhitime a apa-3 whakawhitihe rereke te paparanga kawa mahi. Ka mahi te pana-2 ki te paparanga hononga raraunga, ka mahi te paparanga-3 ki te paparanga whatunga.

Ka taea te mohio noa ko te whakawhiti papa 2. Ka taea e koe te whakaaro kei a ia anake te mahi whakawhiti, ara, ka taea e ia anake te tukatuka i nga papa raraunga. I tua atu i te mahi a te paparanga 2 whakawhiti, kei te paparanga 3 he mahinga ararere paparanga 3, ko te tikanga ka taea e ia te tukatuka raraunga. Puke.

(1)Whakawhiti apa 2 mahi i te paparanga tuarua o te paparanga hono raraunga o te tauira tohutoro OSI. Ko nga mahi matua ko te korero a tinana, te tirotiro hapa, te raupapa anga, me te whakahaere rere.

(2) Aapa-3 whakawhitihe taputapu me te paparanga-3 mahi whakawhiti, ara, he paparanga-2 pana me te paparanga-3 mahi ararere, engari he huinga pararopi o nga mea e rua, ehara i te mea he taputapu taputapu pouara noa me te raupaparorohiko Kua whakakikoruatia ki runga i te whakawhiti LAN. .