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






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






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






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






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






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






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. Create a disk label for the partition table called k






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






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






11. 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.






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






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






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






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






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






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






19. To check status of ftp daemon






20. The simplest way to install Apache






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






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






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






24. 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






25. 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






26. 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.






27. rpm ____ to install kernel updates






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






29. 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)






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






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






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






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






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






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






37. 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:






38. 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






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






40. 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)






41. ____.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.






42. rpm option to show me the package files






43. ____ is used to modify file system parameters






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






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






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






47. 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 ____






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






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






50. 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