Quiz on Spanning Tree Protocol Part-V

Chapter:Types of STP

Click on the correct answer for each question.

No negative marking and no time limit.

At the end check the score and correct your answer.

• 1. In Ver-2 BPDU flags, the port roles are defined by _____ bit(s).

  
  A) 4
  
  B) 1
  
  C) 3
  
  D) 2
  
  

• 2. The RSTP cost for a 100 Gbps link is ______.

  
  A) 200
  
  B) 2000
  
  C) 20
  
  D) 20000
  
  

• 3. The BPDU in RSTP works as a __________ mechanism.

  
  A) message_age
  
  B) aging_timer
  
  C) keep-alive
  
  D) time-to-live
  
  

• 4. The RSTP protocol ____________________, the inferior BPDU.

  
  A) ignores for 6 sec
  
  B) ignores for 20 sec
  
  C) listens but do not reply
  
  D) listens and responds
  
  

• 5. The RSTP differs from the original STP,

  
  A)All switches will send thier BPDUs
  
  B)Switches will relay the BPDU recieved from the root bridge
  
  C) Switches will stop sending BPDU when link to root bridge fails
  
  D) No switches will send BPDU
  
  

• 6. RSTP do not depend on the timers, rather it will achieve synch by ________ and ________ process.

  
  A) offer, accept
  
  B)keep-alive, synch
  
  C) proposal, agreement
  
  D) accept, reject
  
  

• 7. The edge ports are the ports,with one end connected to the switch and other end _________________

  
  A) connected to a bridge
  
  B) having connection to a switch
  
  C) connected to a host
  
  D) open
  
  

• 8. RSTP enabled switch marks a port as an edge port, if _______________

  
  A) it receives inferior BPDU in the port.
  
  B) it doesn't receive BPDU in the port
  
  C) it recieves better BPDU in the port
  
  D) if it receives BPDU with poor bid
  
  

• 9. The topology change in RSTP is informed by _________

  
  A) sending a TCN-BPDU
  
  B) sending a C-BPDU
  
  C) the LSB flag bit
  
  D) the MSB flag bit
  
  

• 10. The following allows the rapid convergence as well as the inter-operability between 802.1q and ISL trunks in redundant path

  
  A) PVST+
  
  B) Rapid PVST+
  
  C) Rapid PVST
  
  D) Rapid spanning tree protocol
  
  

Click on the correct answer for each question.

No negative marking and no time limit.