Ch25 Managing Shared Libraries Exam

Ch25 Managing Shared Libraries Exam

1. If a library is not accessible due to an error, the ldd would report which error message?

   • not found
   • library missing
   • lib missing
   • error: lib not configured

2. Which command can an administrator run to rebuild the cache of shared libraries?

   • ldconfig
   • ld.so
   • ldd
   • ldlist

3. Which command is used to display the shared libraries of a dynamically linked executable?

   • ldlist
   • ldconfig
   • ld.so
   • ldd

4. Which environment variable can a user set, that will affect where shared libraries can be located and loaded?

   • LD_PATH
   • LIBRARY_LD_PATH
   • LIBRARY_PATH
   • LD_LIBRARY_PATH

5. Which of the following are benefits of a shared library: (choose two)

   • Programs run faster
   • Programs run slower
   • Programs can be smaller
   • Programs use a more consistent base of code

6. Which of the following commands would display the libraries used by the /bin/ls command?

   • ldd /bin/ls
   • ldconfig /bin/ls
   • listlib /bin/ls
   • ls -lib /bin/ls

7. Which of the following contents is in the ldconfig configuration file by default?

   • include all
   • include ld.so.conf.d/*.conf
   • include ldconfig
   • include /etc/ldconfig

8. Which of the following will find and load shared libraries when a program is executed?

   • The kernel
   • The init process
   • The dynamic linker
   • The scheduler

9. Which two directories are automatically searched for shared libraries? (choose two)

   • /lib
   • /library
   • /usr/library
   • /usr/lib