Daim ntawv tso npe phaj ntawv yog daim ntawv thov khoos phis tawj vis dis aus duab thev naus laus zis hauv tsheb daim ntawv tso cai phaj. Nws feem ntau yog tsim los ntawm kev tswj hwm lub khoos phis tawj, kev hloov pauv network, lub tshuab txhais lub ntsiab lus zoo hauv lub network, cov ntaub ntawv tso saib thiab teeb meem, uas tuaj yeem siv dav hauv kev tswj chaw nres tsheb. Nws muaj qhov zoo ntawm cov txheej txheem txheej txheem yooj yim, siab lees paub tus nqi, ua haujlwm tau zoo thiab ruaj khov, txhim kho kev nkag mus thiab tawm tsheb, thiab them nyiaj tsis siv neeg.
Daim ntawv thov daim ntawv tso cai phaj paub hauv qhov chaw nres tsheb ntse tau txhim kho kev ua haujlwm tau zoo thiab kev tswj hwm qhov chaw nres tsheb loj. Raws li ib qho ntawm cov chaw tseem ceeb uas tuaj yeem txhawb nqa qhov chaw nres tsheb txhawm rau txhim kho kev txawj ntse, daim ntawv tso cai daim ntawv tso npe kuj tseem yuav pab nres tsheb kom ua tiav kev txawj ntse. Kev tswj hwm, tsim kom muaj chaw nres tsheb ntse thiab chaw nres tsheb tsis muaj neeg tsav tsheb.