Download HCIE-R&S (Written) (Huawei Certified Internetwork Expert-Routing & Switching).H12-261.CertDumps.2017-01-17.50q.vcex

Vendor: Huawei
Exam Code: H12-261
Exam Name: HCIE-R&S (Written) (Huawei Certified Internetwork Expert-Routing & Switching)
Date: Jan 17, 2017
File Size: 548 KB
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Demo Questions

Question 1
  
On the MSTP network as shown in the figure, what is the role of the switch in MSTI 1 according to the configuration?
  1. Root switch
  2. Slave switch
  3. Non-root switch
  4. None of the above
Correct answer: A
Explanation:
appropriate.
appropriate.
Question 2
 
As shown in the figure, which switch is the root switch according to the configuration? 
  1. SWA
  2. SWB
  3. SWC
  4. None of the above
Correct answer: A
Question 3
  
On the RSTP network as shown in the figure, what RSTP operations will occur after the E1 port of SWB fails? (Select 3 Answers)
  1. SWB deletes the MAC address entries with the E1 port as the destination interface.
  2. The spanning tree is recalculated and the E2 port is elected as the new root port.
  3. All the interfaces in forwarding state send topology change notifications (TCNs) to notify other switches of the topology change.
  4. All the non-edge ports in forwarding state send TCNs to notify other switches of the topology change.
Correct answer: ABD
Question 4
Which is the port state defined in RSTP?
  1. Discarding
  2. Learning
  3. Forwarding
  4. All of the above
Correct answer: D
Question 5
RSTP has all functions that STP has and it is backward compatible with STP.
  1. True
  2. False
Correct answer: A
Question 6
RSTP adopts fast convergence mechanism. So, there is no Forward Delay interval in RSTP.
  1. True
  2. False
Correct answer: B
Explanation:
Question 7
Two switches are directly connected to each other and they are working in full duplex mode. By default, RSTP will consider the link between the switches as point-to-point link.
  1. True
  2. False
Correct answer: A
Explanation:
sophisticated.
sophisticated.
Question 8
In RSTP network environment, a port can be set as edge port when it is directly connected with terminal.
  1. True
  2. False
Correct answer: A
Question 9
Which of the following statements about RSTP and STP is true?
  1. STP has more port states than RSTP.
  2. The port roles used in RSTP is less than the port roles used in STP.
  3. Since RSTP adopts fast convergence mechanism, it does not have Learning state which is available in STP.
  4. Same as STP, the ports will enter into Listening state once the RSTP has been enabled. Then, the ports can receive BPDU and calculate the spanning tree.
Correct answer: A
Explanation:
Question 10
In a switching network that runs RSTP, the topology change notification message will not be sent when the switch detects that the Alternate Port is failed. 
  1. True
  2. False
Correct answer: A
Explanation:
authentic answer.
authentic answer.
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