Cisco Exam Questions

Which three statements accurately describe Layer 2 Ethernet switches?

Which three statements accurately describe Layer 2 Ethernet switches? (Choose three.)

A.
Spanning Tree Protocol allows switches to automatically share VLAN information.

B.
Establishing VLANs increases the number of broadcast domains.

C.
Switches that are configured with VLANs make forwarding decisions based on both Layer
2 and Layer 3 address information.

D.
Microsegmentation decreases the number of collisions on the network.

E.
In a properly functioning network with redundant switched paths, each switched segment
will contain one root bridge with all its ports in the forwarding state. All other switches in that
broadcast domain will have only one root port.

F.
If a switch receives a frame for an unknown destination, it uses ARP to resolve the
address.

Explanation:
Microsegmentation is a network design (functionality) where each workstation or device on a
network gets its own dedicated segment (collision domain) to the switch. Each network
device gets the full bandwidth of the segment and does not have to share the segment with
other devices. Microsegmentation reduces and can even eliminate collisions because each
segment is its own collision domain -> .
Note: Microsegmentation decreases the number of collisions but it increases the number of
collision domains.