Identify the two options that can be used to patch WebLogic Server without Incurring application downtime. 

Answer options:

A. automated process using the Admin Server
B. automated using JDeveloper
C. manual process with or without Smart Update
D. scripted with WLST
E. automated process using Enterprise Manager 12c

CD

Note: * Rolling Upgrade is the process of upgrading a running WebLogic Server cluster with a patch, maintenance pack, or minor release without shutting down the entire cluster or domain. During the rolling upgrade of a cluster, each server in the cluster is individually upgraded and restarted while the other servers in the cluster continue to host your application.