An administrator finds that there is insufficent information in the vCloud Director task log to troubleshoot task relate

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An administrator finds that there is insufficent information in the vCloud Director task log to troubleshoot task related events.What should the administrator do to increase the level of information provided?

A. Set the Statistics level to 4 under the vCenter Server Manage tab in the vSphere Web Client.
B. Set the Display debug information property in the general system settings for vCloud Director to Enable.
C. Set the log4j.rootLogger property in the /opt/vmware/vcloud-path/etc/log4j.properties file to DEBUG on the vCloud Director virtual machine.
D. Set the Default syslog server settings for networks property in the general system settings for vCloud Director to Verbose.