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RHCE: Red Hat Certified Engineer

  • Answer 50 questions in 15 minutes.
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This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. What service is allowed through the default firewall?

2. List sboth the client hostname or IP address and mounted directory in host:dir format. This info should not be considered reliable.

3. pam ___ will tell me if any files in the pam package have changed since it was first installed

4. This line placed in /etc/hosts.deny sends a customized error message for Telnet users on the crack.org domain saying sorry [insert client info] - access denied

5. If rhel6 is in the /media directory - where is the XML file on that DVD with a database of packages and package groups?

6. After extending file system 'homevol' - unmount it and then run _____ to make the filesystem size match the new larger volume.

7. rpm ____ to import the rpm key for integrity checking

8. Virtual Host Configuration: Sets a root directory for the virtual host.

9. As you may not have access to the GUI during the Red Hat exams - you need to know how to use text-based browsers. The standard is ____

10. If you configure other directories for Web services - you'll need to change their ACL settings. For example - if you create and then use the /www directory - run the following commands:

11. Where is vsftpd.conf?

12. The simplest way to install Apache

13. If in doubt about package names - you can find them in the ...

14. Virtual Host Configuration: Specifies an IP address for multiple virtual hosts.

15. When an rpm install fails for xxxx because the same version is already apparently installed - run ____ to just install it all again

16. How to make sure apache starts automatically on next reboot?

17. If you want to add an iptables command to forward TCP port 80 traffic to TCP port 3128 - you would use the following:

18. Logical partitions on a hard drive always start with number ____; on the first PATA/IDE hard drive on a PC - that is hda____.

19. rpm options include rpm -q [package name] or rpm -qf [path/file] or rmp -q____

20. This line placed in /etc/hosts.deny will mean that only computer allowed to access our Telnet server has an IP address of

21. Where to find the main apache config file?

22. what utility can be used to open port 80?

23. SELinux must be configured to Allow HTTPD To Read Home Directories. (Alternatively - activate the httpd_enable_homedirs boolean with the __ command.)

24. what port needs to be open to access ftp?

25. In httpd.conf - '____ None' disables any .htaccess files. Otherwise - .htaccess can allow others to administer your server - starting from the DocumentRoot directory. If .htaccess is in a subdirectory - such as /var/www/html/data/ - the additional di

26. To install both mod_ssl and squid packages

27. You can use the ____ tool after installation to add any package groups that you missed.

28. Create the basic cache directories in /var/spool/squid with the following command:

29. rpm ____ verifies the installed zip rpm against the rpm database

30. ____ prints superblock and block group information.

31. ___ http://devmon.dev.schwab.com/index.html will make a local copy of the index.html file from devmon

32. Perform a simple check of the file system. minor-num is x.

33. Create a usb boot disk if the usb stick is /dev/sdc and the file you need is in your present directory

34. rpm option to show me the package files

35. The default Red Hat Enterprise Linux firewall blocks access to an NFS server. While inelegant - the following command 'flushes -' or turns off - the standard Linux firewall from the local computer.

36. ____ is used to modify file system parameters

37. For http - if you implement 'UserDir public_html' - you need to also ____ /home/michael if you want /home/michael/public_html accessible

38. The main Squid configuration file is ____/squid.conf

39. What command starts the same menu as the text-mode First Boot process?

40. When you configure Squid on your system - you need to allow access through appropriate ports and SELinux settings. The simplest approach with respect to Squid configuration assumes that all clients use the default Squid port 3128 - using TCP - where

41. ____ can expand and shrink ext2 and ext3 file systems

42. rpm ____ to install kernel updates

43. To update a kernel - 1) ____ 2) boot new kernel to test 3) revert to old kernel if problems 4) yum remove kernel-oldversion if no problems

44. It's much more difficult and much more time-consuming to revise partitions with utilities such as ____ or parted after RHEL is installed.

45. What parts of rhel6 should be installed to separate volumes?

46. Virtual Host Configuration: Creates an error log; the location is based on the DocumentRoot.

47. Virtual Host Configuration: Assigns an e-mail address for the specified virtual host.

48. rpm ____ verifies all installed rpms against the rpm database

49. I just finished editing my /etc/yum.repos.d/*repo file and want yum to use the new info - so I run ____

50. This line placed in /etc/hosts.deny denies all services except TFTP to computers in the example.org domain