Refer to the exhibits.

Exhibit 1

Exhibit 2

Exhibit 2 shows IGMP groups on Switch-2, which runs IGMP but not PIM. Switch-1 and Switch-3 do not have IGMP or PIM enabled. Client 1 begins to forward multicasts to 239.1.1.1.

Which clients receive the multicasts?

A. Client 3, but not any of the other clients

B. Client 2, but not any of the other clients

C. Client 3 and Client 4, but not Client 2

D. Client 2, Client 3, and Client 4