Niyihe ntego yintoki yo hepfo kumodoka?Nibihe bimenyetso biramutse bimenetse?
Uruhare rwamaboko yo hepfo kumodoka ni: gushyigikira umubiri, imashini itera;Kandi buffer kunyeganyega mugihe utwaye.
Niba ivunitse, ibimenyetso ni: kugabanya kugenzura no guhumurizwa;Kugabanya imikorere yumutekano (urugero kuyobora, gufata feri, nibindi);Ijwi ridasanzwe (ijwi);Ibipimo byerekana neza, gutandukana, no gutera ibindi bice kwambara cyangwa kwangirika (nko kwambara amapine);Hindukira kurukurikirane rwibibazo nko kugira ingaruka cyangwa no gukora nabi.