The port is able to forward user frames but not yet populate its MAC table.
Review Questions 93
21. Regarding STP, what is the state of a nondesignated port?
a. Blocking
b. Learning
c. Listening
d. Forwarding
22. Regarding STP, what is the state of a root port?
a. Blocking
b. Learning
c. Listening
d. Forwarding
23. On which STP bridge are all ports designated ports?
a. Root bridge
b. Nonroot bridge
c. Bridge with the lowest priority
d. Bridge with the highest bridge ID
24. Which event is required for STP to detect a topology change?
a. A BPDU is not received within two seconds.
b. A device does not respond to a handshake message.
c. The max_age timer has expired without receiving a BPDU.
d. A device does not respond quickly enough to a handshake request.
25. Which switched network issue does RSTP address?
a. Network security
b. Size of network
c. Redundant topology
d. Speed of convergence
94 Chapter 2: Medium-Sized Switched Network Construction
26. What is the RSTP equivalent of the STP listening state?
a. Blocking
b. Listening
c. Discarding
d. Forwarding
27. With RSTP, which two port roles are included in the active topology?
a.
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