Which statement is true regarding this connect string?
(DESCRIPTION
(FAILOVER=on)
(ADDRESS_LIST=
(LOAD_BALANCE=ON)
(ADDRESS=(host=sales-east1) (port=1522) )
(ADDRESS=(host=sales-east2)(port=1522))
(ADDRESS=(host=sales-east3) (port=1522) ))
(ADDRESS_LIST=
(LOAD_BALANCE=ON)
(ADDRESS=(host=sales-west1) (port=1522) )
(ADDRESS=(host=sales-west2) (port=JS22))
(ADDRESS=(host=sales-west3) (port=lS22) ) )
(CONNECT_DATA=
(SERVICE_NAME=sales)
(REGION=east)))
A.
It contains three global service managers in the client’s local region (east).
B.
Client-side load balancing has been enabled only for the global service managers within the client’s buddy
(west).
C.
Connect-time failover between regions has not been enabled.
D.
The REGION parameter is optional.
Explanation:
https://docs.oracle.com/database/121/GSMUG/globser.htm#GSMUG650