Ccna certification Practice Tests

A.  Discarding, learning, blocking, forwarding

B.  Discarding, listening, forwarding

C.  Blocking, listening, learning, forwarding

D.  Discarding, learning, forwarding

 145.  In RSTP, which port mode replaces the blocking and listening port states?

A. Discarding

B. Learning

C. Forwarding

D. Backup

 146.  Which new port state does RTSP have compared to STP?

A. Learning

B. Forwarding

C. Blocking

D. Discarding

---

Chapter 2 

■

  Network Access (Domain 2) 

75

 147.  You receive a call that when computers boot up, they display an error message stating that 

they cannot reach a domain controller. However, after a few tries, the problem goes away, 

and the domain controller can be reached. Which command would you enter into the 

interface if you suspect spanning-tree convergence problems?

A. 

SwitchA(config-if)#no switchport spanning-tree

B. 

SwitchA(config)#switchport spanning-tree portfast

C. 

SwitchA(config)#spanning-tree portfast default

D. 

SwitchA(config-if)#spanning-tree portfast

 148.  On which types of ports should you configure PortFast mode?