【簡(jiǎn)答題】一個(gè)數(shù)據(jù)報(bào)長(zhǎng)度為4000Byte，現(xiàn)要經(jīng)過一個(gè)網(wǎng)絡(luò)傳輸，但此網(wǎng)絡(luò)最大能夠傳輸?shù)臄?shù)據(jù)長(zhǎng)度為1500Byte，試問應(yīng)當(dāng)劃分幾個(gè)短的數(shù)據(jù)報(bào)片.各數(shù)據(jù)報(bào)片的數(shù)據(jù)長(zhǎng)度，片偏移字段，和MF標(biāo)志應(yīng)為何值