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. 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






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






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






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






5. 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






6. how to install both mod_ssl and squid packages






7. 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






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






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






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






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






12. rpm option to show me the package files






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






14. 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






15. 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






16. ____ is used to modify file system parameters






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






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






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






20. 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)






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






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






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






24. To check status of ftp daemon






25. 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:






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






27. rpm ____ to install kernel updates






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






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






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






31. 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.






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






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






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






35. ___________ can be on a RAID device






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






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






38. 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






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






40. 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






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






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






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






45. 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:






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






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






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






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






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