Debugging Question: Download Linux Debugging PDF

If we have multiple source files, then during the debugging with GDB:
a) breakpoint can not be set
b) break point can be set by "break" command with a filename
c) break point can be set only to makefile
d) none of the mentioned

b) break point can be set by "break" command with a filename

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The GDB command "info local" a) displays the list of local variables b) value of local values for the current stack frame c) both (a) and (b) d) none of the mentioned	What is temporary breakpoint? a) it stops the program once b) it is removed after one execution of the program c) both (a) and (b) d) none of the mentioned