Often times LDAP administrators may find it is necessary to limit the number of search results from
the directory. In the global section of the slapd.conf file it is possible to set both hard and soft limits.
Select below which single item would set a soft limit of 10 and a hard limit of 25 on search results.

A.
searchlimit size.soft=10 sise.hard=25

B.
sizelimit size.soft=10 size.hard=25

C.
sizelimit size.hard=10 size.soft=25

D.
search sizelimit size.soft=10 size.hard=25

Explanation:
Reference:
http://www.openldap.org/doc/admin24/limits.html
(9.3.Global limits, see the last code under the topic)