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






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






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






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






5. 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)






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






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






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






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






10. 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






11. 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.






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






13. To check status of ftp daemon






14. 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.






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






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






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






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






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






20. 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






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






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






23. This line placed in /etc/hosts.deny will mean that only computer allowed to access our Telnet server has an IP address of 192.168.1.10






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






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






26. use grep to count how many repositories have been configured in the file server1.repo






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. ____.com - ____.net - and ____.org domains are generic domain names that can't be assigned on the Internet. You can therefore use any of these domain names on your private network.






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






30. create the basic cache directories in /var/spool/squid with the following command:






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






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






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






34. how to install both mod_ssl and squid packages






35. ___________ can be on a RAID device






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






37. ______ will show me volume info including vg - size - etc of /dev/rootvg/tmplv






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






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






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






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






42. You can check the status of your share. If it's working - you should see the contents of the /etc/exports directory when you run the following command:






43. ____ is used to modify file system parameters






44. use parted to display disk geometry for /dev/hda and end up in shell






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






46. rpm option to show me the package files






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






48. 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






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






50. 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)