Which of the following are types of service defined in ITIL?
1. Enabling
2. Core
3. Enhancing
4. Computer

A.
1, 3 and 4 only

B.
2, 3 and 4 only

C.
1, 2 and 4 only

D.
1, 2 and 3 only

Explanation:
Reference:
http://books.google.com.pk/books?id=xeDemWEIspQC&pg=PA14&lpg=PA14&dq=ITIL+types+of+
services+enabling+core+enhancing&source=bl&ots=BD_PYvN87y&sig=dZ6y0vHgkLbXPiHdG0fC
vH_D9Eg&hl=en&sa=X&ei=qjQUe3SO4SHParWgYAH&redir_esc=y#v=onepage&q=ITIL%20types%20of%20services%20enablin
g%20core%20enhancing&f=false