Test your basic knowledge |

Redhat Linux Administration

Subject : it-skills
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. The simplest way to install Apache






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






3. To verify integrity of an rpm package - ____/rpm-gpg/RPM-GPG-KEY-redhat-release






4. ___ to update the httpd package - automatically answering yes to all the questions






5. for http - if you implement "UserDir public_html" - you need to also ____ /home/michael if you want /home/michael/public_html accessible






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






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






8. 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.






9. 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 - and PHP. Sharing this






10. ____ configuration is not available via text mode RHEL installation.






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






12. You ran "e2label /dev/sda" and got "bad magic number" Why?






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






14. 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






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






16. This line: in /etc/hosts.allow: telnetd : 172.16.72.0/255.255.254.0 is ____






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






18. You need to configure firewalls and allow SELinux access in appropriate ways. Firewalls must allow access to the standard HTTP port - 80. SELinux must be configured to "Allow HTTPD To Read Home Directories". Finally - the ACL must be revised accordin






19. The file that might contain: oldvg - rootvg - etc.






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






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






22. To list under which run levels the web service will start






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






24. 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:






25. rpm option to show me the package files






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






27. 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






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






29. Apache supports security by specifying active ports through the Listen and ____ directives.






30. ____ is used for creating ext2 and ext3 file systems






31. 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






32. after extending file system "homevol" - unmount it and then run _____ to make the filesystem size match the new larger volume.






33. To check status of ftp daemon






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






35. You just finished editing your /etc/yum.repos.d/*repo file and want yum to use the new info - so you run ____






36. 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)






37. 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






38. 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 ____






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






40. for SELinux - you'll at least want to use the Security Level Configuration tool to activate the Allow Squid Daemon To Connect To The Network option - also known as the squid_connect_any boolean. Alternatively - you can activate this boolean with the






41. ___________ can be on a RAID device






42. for http - if you implement "UserDir public_html" - you need to also ____ /home/michael/public_html if you want /home/michael/public_html accessible






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






44. 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.






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






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






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






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






49. Some computers built before 1998 may have a BIOS that limits access to hard disks beyond the 1024th cylinder. Some older BIOSs report only 1024 cylinders on a hard drive no matter how many actual cylinders are present. Computers that are subject to t






50. The rpm ____ option installs the package - if it isn't already installed.