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






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






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






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






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






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






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






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. 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:






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






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






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






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






14. 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






15. 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






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






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






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






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. rpm ____ to install kernel updates






22. ____ is used to modify file system parameters






23. rpm option to show me the package files






24. 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






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






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






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






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






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






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






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






32. 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)






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






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






36. 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






37. 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)






38. ____ prints superblock and block group information.






39. 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






40. 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:






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






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






43. The simplest way to install Apache






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






45. 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:






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






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






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






49. ____.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.






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