Port Roles and States JN0-364 Practice Questions (Page 2)

Questions 6–10

1. 6application · medium

   A network engineer is troubleshooting a spanning-tree issue on a switch and sees that port ge-0/0/4 is in the 'Learning' state. What is the port doing in this state?

   • AThe port is forwarding frames to all other ports on the switch
   • BThe port is blocking all traffic to prevent loops
   • CThe port is listening for BPDUs to determine its role in the spanning-tree topology
   • DThe port is learning MAC addresses from incoming frames but is not yet forwarding frames
   Reveal Solution Discussion Select an answer first
2. 7foundation · easy

   Which spanning-tree port role is placed in the blocking state to provide a redundant path to the same segment when two ports on the same bridge connect to that segment?

   • ABackup port
   • BAlternate port
   • CRoot port
   • DDesignated port
   Reveal Solution Discussion Select an answer first
4. 8foundation · easy

   Which combination of port role and state is typical for a port that is actively forwarding traffic in a stable spanning-tree topology?

   • AAlternate port in forwarding state
   • BBackup port in learning state
   • CDesignated port in listening state
   • DRoot port in forwarding state
   Reveal Solution Discussion Select an answer first
5. 9foundation · easy

   In a spanning-tree topology, which port role is responsible for forwarding traffic toward the root bridge and is the single best path from the local bridge to the root?

   • AAlternate port
   • BBackup port
   • CDesignated port
   • DRoot port
   Reveal Solution Discussion Select an answer first
6. 10application · medium

   An engineer is examining the spanning-tree state of a switch and sees that port ge-0/0/5 has the role 'Designated' and the state 'Forwarding'. What does this combination indicate about the port's behavior?

   • AThe port is learning MAC addresses but not yet forwarding frames
   • BThe port is blocked and will not forward frames until the spanning-tree topology changes
   • CThe port is a backup path to the root bridge and is ready to forward if the primary path fails
   • DThe port is the best path to the root bridge for this switch and is actively forwarding frames
   Reveal Solution Discussion Select an answer first