Refer to the exhibit.

An administrator configures four switches for local authentication using passwords that are stored in a cryptographic hash. The four switches must also support SSH access for administrators to manage the network infrastructure. Which switch is configured correctly to meet these requirements?

Which result occurs when PortFast is enabled on an interface that is connected to another switch?

Refer to the exhibit. An engineer must add a subnet for a new office that will add 20 users to the network.
Which IPv4 network and subnet mask combination does the engineer assign to minimize wasting addresses?

Refer to the exhibit.

If the network environment is operating normally, which type of device must be connected to interface FastEthernet 0/1?

When OSPF learns multiple paths to a network, how does it select a route?