"Sawubona Mhlaba, UmsebenziWokuhlola" "Abelana ne-Bluetooth" "Faka irekhodi" "Qinisekisa irekhodi" "Irekhodi ye-Ack" "Susa yonke irekhodi" "KULUNGILE" "Susa irekhodi" "Qala iseva ye-TCP" "Yazisa iseva ye-TCP"