I did the LPI certification level 1, exam B.
Here are some questions I could remember: (jan 2002)
How do you find from which package a file, e.g. XF86Config, was installed?
What is a reasonable command to install a set of debian packages stored in directory temp ?
How do you check a PGP signature of an RPM package?
Generate a complete report for analyzing changes which may be security related?
How do you display the ChangeLog of an installed package foobar ?
Which parameter do you use with lpr, to print a job 2 times ?
Which IRQ is normally dedicated to the second printer port on a PC?
How do you get a list of files that have been installed from a dpkg package?