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. ____.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.






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






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






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






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






6. rpm option to show me the package files






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






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






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






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






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






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






13. 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.






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






15. 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






16. ___________ can be on a RAID device






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






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






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






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






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






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






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






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






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






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






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






28. how to install both mod_ssl and squid packages






29. ____ prints superblock and block group information.






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






31. 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






32. 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






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






34. 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






35. ____ is used to modify file system parameters






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






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






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






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






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






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






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






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






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






45. 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.






46. 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)






47. The simplest way to install Apache






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






49. 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:






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