Free Cisco CCNP Switching Questions

Two hosts are connected to switch interfaces Fast Ethernet 0/1 and 0/33, but they cannot communicate with each other. Their IP addresses are in the 192.168.10.0/24 subnet, which is carried over VLAN 10. The show vlan id 10 command generates the following output:

Switch# show vlan id 10

VLAN	Name	Status	Ports
Users		active	Fa0/1, Fa0/2, Fa0/3, Fa0/4,
			Fa0/5, Fa0/6, Fa0/7, Fa0/8,
			Fa0/9, Fa0/10, Fa0/11, Fa0/12,
			Fa0/13, Fa0/14, Fa0/15, Fa0/16,
			Fa0/17, Fa0/18, Fa0/19, Fa0/20,
			Fa0/21, Fa0/22, Fa0/23, Fa0/25,
			Fa0/26, Fa0/27, Fa0/28, Fa0/31,
			Fa0/32, Fa0/34, Fa0/35, Fa0/36,
			Fa0/37, Fa0/39, Fa0/40, Fa0/41,
			Fa0/42, Fa0/43, Fa0/46

The hosts are known to be up and connected. Which of the following reasons might be causing the problem?

a. The two hosts are assigned to VLAN 1.
b. The two hosts are assigned to different VLANs.
c. Interface FastEthernet0/33 is a VLAN trunk.
d. The two hosts are using unregistered MAC addresses.

Answer:

B and C