The HADR_TARGET_LIST parameter enables HADR to run in multiple standby mode. Which of the following statements are TRUE if HADR is active? (Choose two.)
A. You can change the principal standby of the primary without first stopping HADR on the primary.
B. The target list can contain IP addresses that are either IPv4, or IPv6, or a combination of the two.
C. You can remove the primary database from the target list of a standby although the standby is connected to the primary.
D. You cannot dynamically update the HADR_TARGET_LIST configuration parameter for a standby unless you have enabled the HADR read standby feature.
E. You cannot remove a standby from the list if it is connected to the primary. To disconnect a standby, simply deactivate it. The you can remove it from the primary’s target list.
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