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. 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)






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






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






4. 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.






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






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






7. ___________ can be on a RAID device






8. Create a disk label for the partition table called k






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






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






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






12. 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






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






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






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






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






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






18. ____.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.






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






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






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






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






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






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






25. 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






26. 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






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






28. 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)






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






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






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






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






33. 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 ____






34. 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.






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






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






37. ____ prints superblock and block group information.






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






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






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






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






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






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






44. 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






45. The simplest way to install Apache






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






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






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






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






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