مساعدة :eek: من فضلكم

which two of these statements regarding RSTP are correct ? choose two
A. RSTP cannot operate with PVST+ .(what PSTV+ does mean please
B.RSTP defines new port roles
C.RSTP defines no new port states
D.RSTP is a propriety implementation of IEEE 802.1D STP
E.RSTP is compatible with original IEEE 802.1D STP


و شكرا للجميع ادعوا لي سأمتحن CCNA الأسبوع المقبل إن شاء الله
:ah38::ah38::ah38::ah38::ah38::ah38::ah38::ah38::a h38::ah38::ah38::ah38::ah38::ah38::ah38::ah38: