Câu 63: XK0-004: CompTIA Linux+

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 theRPM database, the systems administrator runs the following command: Which of the following commands should the systems administrator run NEXT to resolve this issue?

1. A. cd/var/lib/rpm; rpm --rebuilddb ; rm -f _db*; yum clean all
2. B. cd/var/lib/rpm; rpm -qd; rpm --rebuilddb; yum clean all
3. C. cd/var/lib/rpm; rpm -qa; rm -f _db*; yum clean all — đáp án hiện tại
4. D. cd/var/lib/rpm; rm -f _db*; rpm --rebuilddb; yum clean all