A Systems Administrator Installs a Simple Package, but the Linux

Multiple Choice

A systems administrator installs a simple package, but the Linux system returns the following error: rpmdb open fails . To verify if there is a problem in the RPM database, the systems administrator runs the following command: Which of the following commands should the systems administrator run NEXT to resolve this issue?

A) cd/var/lib/rpm; rpm --rebuilddb ; rm -f _db*; yum clean all
B) cd/var/lib/rpm; rpm -qd; rpm --rebuilddb; yum clean all
C) cd/var/lib/rpm; rpm -qa; rm -f _db*; yum clean all
D) cd/var/lib/rpm; rm -f _db*; rpm --rebuilddb; yum clean all