Study the exhibit shown below carefully. In this scena

单项选择题

Study the exhibit shown below carefully.

In this scenario the service provider wants to ensure that switch S1 is the root switch for its own network and the network of .
On which interfaces should root guard be configured to ensure that this happens？（）

A.Interfaces 11 and 12
B.Interfaces 1， 2， 3， and 4
C.Interfaces 5 and 6
D.Interfaces 5， 6， 7， and 8
E.Interfaces 1 and 2
F.Interfaces 1， 3， 5， and 6

相关考题

多项选择题 In order to enhance worker productivity， a Cisco wireless network has been implemented at all locations. Which three statements regarding WLAN are true？（）

单项选择题 Switch 1 was configured as shown below： Based on the output shown above， which statement is true？（）

多项选择题 WhichofthefollowingarefunctionsthatareoftenprovidedbyanITSPbutarenottypicallyprovidedbythePSTN？（）

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