What is the default in minutes of the CTIRAJHEARTBEAT environment variable in a hub
Tivoli Enterprise Monitoring Server?

A.
5

B.
10

C.
15

D.
20

Explanation:
http://www-
01.ibm.com/support/knowledgecenter/SS3JRN_7.2.0/com.ibm.itm.doc/itm_install172.htm%2
3config_heart