This is the configuration on the voice gateway:
telephony-service
max-ephones 30
max-dn 60 preference 0
srst mode auto-provision all
srst dn line-mode dual
srst dn template 3
srst ephone description srst fallback auto-provision phone
srst ephone template 5
Which ephone-dn would be expected upon activation of SRST?
A.
 ephone-dn 1 dual-line 
number 7001 
description 7001 
name 7001 
ephone-dn-template 5 
This DN is learned from srst fallback ephones
B.
 ephone-dn 1 dual-line 
number 7001 
description 7001 
name 7001 
ephone-dn-template 3 
This DN is learned from srst fallback ephones
C.
 ephone-dn 1 
number 7001 
description 7001 
name 7001 
ephone-dn-template 5 
This DN is learned from srst fallback ephones
D.
 ephone-dn 1 
number 7001 
description 7001 
name 7001 
ephone-dn-template 3 
This DN is learned from srst fallback ephones