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. ;'___ /var/www' will tell you the ACL settings of /var/www






2. ____.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.






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






4. 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:






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






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






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






8. 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






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






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






11. 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






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






13. 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:






14. 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






15. 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)






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






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






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






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






20. ____ prints superblock and block group information.






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






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






23. 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:






24. 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






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






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






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






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






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






30. To check status of ftp daemon






31. 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






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






33. 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






34. ___________ can be on a RAID device






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






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






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






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






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






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






41. 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






42. 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.






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






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






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






46. how to install both mod_ssl and squid packages






47. rpm ____ to install kernel updates






48. 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






49. 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)






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