Explanation/Reference:
The Server Control (SRVCTL) utility is installed on each node by default. You can use SRVCTL to start and stop the database and instances, manage configuration information, and to move or remove instances and services. You can also use SRVCTL to add services. SRVCTL also manages configuration information.
Incorrect:
Not A: Cluster Verification Utility (CVU)
A tool that verifies a wide range of Oracle RAC components such as shared storage devices, networking configurations, system requirements, Oracle Clusterware, groups, and users.
Not C: CRSCTL is an interface between you and Oracle Clusterware, parsing and calling Oracle Clusterware APIs for Oracle Clusterware objects.
You can use CRSCTL commands to perform several operations on Oracle Clusterware, such as:
Starting and stopping Oracle Clusterware resources
Enabling and disabling Oracle Clusterware daemons
Checking the health of the cluster
Managing resources that represent third-party applications
Integrating Intelligent Platform Management Interface (IPMI) with Oracle Clusterware to provide failure isolation support and to ensure cluster integrity
Debugging Oracle Clusterware components
Not D: The Oracle Interface Configuration Tool (OIFCFG) command-line interface helps you to define and administer network interfaces.