Refer to the exhibit. 

Which ephone-dn can join the hunt group whenever a wild card slot becomes available? 

Answer options:

A. ephone-dn 1
B. ephone-dn 2
C. ephone-dn 3
D. ephone-dn 4
E. ephone-dn 6

C

References: http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucme/command/reference/cme_cr/cme_e1ht.html