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. 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.






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






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






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






5. 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






6. how to install both mod_ssl and squid packages






7. 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






8. 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.






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






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






11. 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)






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






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






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






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






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






17. 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:






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






19. 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






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






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






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






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






24. 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






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






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






27. 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:






28. 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






29. rpm option to show me the package files






30. 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:






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






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






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






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






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






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






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






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






39. To check status of ftp daemon






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






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






42. ___________ can be on a RAID device






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






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






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






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






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






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






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