On the topic of VLSM, which one of the following statements best describes the concept of the route aggregation?A．Deleting unusable addresses through the creation of many subnets.B．Combining routes to multiple networks into one supernet.C．Reclaiming unused space by means of changing the subnet size.D．Calculating the available host addresses in the AS.E．None of the above
On the topic of VLSM, which one of the following statements best describes the concept of the route aggregation?
A．Deleting unusable addresses through the creation of many subnets.
B．Combining routes to multiple networks into one supernet.
C．Reclaiming unused space by means of changing the subnet size.
D．Calculating the available host addresses in the AS.
E．None of the above
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Split horizon has been enabled within the Ezonexam routed network. Which one of the following statements best explains the split horizon rule?A．Only routers can split boundaries (horizons) between networks in separate AS numbers.B．Each AS must keep routing tables converged to prevent dead routes from being advertised across boundaries.C．Once a route is received on an interface, advertise that route as unreachable back out the same interface.D．Information about a route should never be sent back in the direction from which the original update came.E．None of the above
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On the topic of VLSM, which one of the following statements best describes the concept of the route aggregation?（）A、Deleting unusable addresses through the creation of many subnets.B、Combining routes to multiple networks into one supernet.C、Reclaiming unused space by means of changing the subnet size.D、Calculating the available host addresses in the AS.
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