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. Create a disk label for the partition table called k






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






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






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






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






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






7. 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)






8. 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






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






10. 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.






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






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






13. 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






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






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






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






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






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






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






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






22. 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






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






24. 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:






25. rpm ____ to install kernel updates






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






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






28. 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






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






30. ___________ can be on a RAID device






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






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






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






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






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






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






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






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






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






40. The simplest way to install Apache






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






42. ____ prints superblock and block group information.






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






44. after you edit /etc/exports - run service ___ stop...






45. To check status of ftp daemon






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






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






48. 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






49. how to install both mod_ssl and squid packages






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