单选题What is the reason for running spanning-tree in a Cisco Single-Site Secure Network Foundation Solution?()ATo protect the network in case someone inadvertently creates a physical loop in itBTo ensure that if a device fails another device automatically take over for itCTo allow management of all network devicesDTo aggregate logical network groups together at one central point

单选题
What is the reason for running spanning-tree in a Cisco Single-Site Secure Network Foundation Solution?()
A

To protect the network in case someone inadvertently creates a physical loop in it

B

To ensure that if a device fails another device automatically take over for it

C

To allow management of all network devices

D

To aggregate logical network groups together at one central point


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