Which system administration command you can use to update Id.so.cache after the installation of new shared libraries？（）

A. You need to rebuild the kernel.
B. You need to upgrade the kernel
C. You need to load the USB modules for your existing modular kernel.
D. USB support is not available in Linux.

A. chmod 557 /bin/foo
B. chmod o+rwx.a+rx/bin/foo
C. chown 557 /bin/foo
D. chmod 755/bin/foo

A. SCSI-1 supports only 8 devices including the adaptor.
B. SCSI-1 supports only 6 disks per adaptor.
C. There is a SCSI-ID conflict that causes that problem.
D. You forgot to set the SCSI-ID #8 for the new disk.