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Refer to the exhibit. There is an existing network connectivity issue in the redundant topology. It is assumed that the cable connecting Switch SW3 to interface Fa0/3 is disconnected. What would be the performance impact on the network if this cable is disconnected?
Computer C5 wont be able to access VLAN 30 only after the cable is reconnected.
VLAN 30 communication among all switches will be impossible.
For less than a minute computer C4 wont be able to communicate with C7, after than normal communication will occur.
The transfer of files between C5 and C7 will be very slow.
A STP enabled network ensures that no loops occur in a redundant network, by blocking one or two ports and leaving the rest in forward mode. STP guarantees that there is only one path between source and destination. A disconnected cable in a redundant network, such as in this problem is solved by STP. After the cable is disconnected, STP will unblock any port and re-converge, changing through its normal states, usually in less than a minute.
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