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






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






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






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






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






6. 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






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






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






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






11. To check status of ftp daemon






12. 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:






13. ____ is used to modify file system parameters






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






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






16. 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:






17. rpm option to show me the package files






18. 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.






19. 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)






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






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






22. ____ prints superblock and block group information.






23. 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






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






25. 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






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






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






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






29. 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.






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






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






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






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






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






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






36. ____.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.






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






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






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






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






41. 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






42. 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:






43. 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 ____






44. ___________ can be on a RAID device






45. how to install both mod_ssl and squid packages






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






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






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






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






50. rpm ____ to install kernel updates







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Can you answer 50 questions in 15 minutes?


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