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RHCE: Red Hat Certified Engineer

Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

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






3. Are SELinux and iptables-based firewalls are enabled by default?






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






5. The most straightforward way to make sure Apache starts in bootlevels 3 and 5






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






7. Virtual Host Configuration: Creates an custom log; the location is based on the DocumentRoot. (from http://www.books24x7.com/book/id_18196/viewer.asp?bookid=18196&chunkid=218985502)






8. To select a different device without having to restart parted - use the ____ command . Then - you can view its partition table or configure it.






9. I ran 'e2label /dev/sda' and got 'bad magic number' Why?






10. ____ prints superblock and block group information.






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






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






13. ____ is used to modify file system parameters






14. Create a disk label for the partition table called k






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






16. Run the ____ command to find the device associated with the USB key.






17. Where is vsftpd.conf?






18. 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.






19. What is the standard directory for file sharing with vsFTP?






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






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






22. For linux ext2 there is an easier way than using resize2fs. LVM 1 ships with a utility called __________ which does the lvextend and resize2fs for you (it can also do file system shrinking)






23. The simplest way to install Apache






24. 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






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






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






27. Virtual Host Configuration: Names the URL for the virtual host.






28. 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






29. 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:






30. If you want to create a database file named webpass in the /etc/httpd directory - for user 'e' - you'd start with the following command:






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






32. '____ /var/www' will tell you the ACL settings of /var/www






33. OS from http.conf - this line looks deceptively simple; it limits what readers see about your Web server when you browse to a nonexistent page. If you don't use this command - outsiders can see whether you've loaded modules such as Perl - Python - an






34. output from ____ is: Disk /dev/cciss/c0d0: 36.4 GB - 36414750720 bytes... plus listing of partitions - for each physical drive






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






36. rpm ____ [name of package] to verify the package - once you have manually imported the key






37. _____ will change the size of /dev/rootvg/tmplv to 4 gig






38. Where is the config dir for vsftpd?






39. The RPM database also maintains an MD5 checksum of each file. With the checksum - you can use the ____ package command to determine whether any file from that RPM package has changed.






40. After you edit /etc/exports - run service ___ stop...






41. Tthe file that might contain: oldvg - rootvg - etc.






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






43. httpd ___ shows me what config files were installed when the httpd package was installed






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






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






46. 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 ____






47. 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






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






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






50. How do you restart the apache web server?







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