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 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






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






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






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






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






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






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






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






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






10. how to install both mod_ssl and squid packages






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






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






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






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






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






16. 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






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






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






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






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






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






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






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






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






25. 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






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






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






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






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






30. 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)






31. 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:






32. 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.






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






34. rpm ____ to install kernel updates






35. 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 ____






36. 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:






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






38. 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






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






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






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






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






43. ____ is used to modify file system parameters






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






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






46. To check status of ftp daemon






47. 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






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






49. 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






50. ____.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.