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. ___________ can be on a RAID device






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






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






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






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






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






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






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






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






10. 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.






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






12. 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






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






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






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






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






17. 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)






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






19. 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:






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






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






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






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






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. 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






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






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






28. create a usb boot disk if the usb stick is /dev/sdc and the file you need is in your present directory






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






30. rpm option to show me the package files






31. 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






32. how to install both mod_ssl and squid packages






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






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






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






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






37. 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






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






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






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






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






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






43. 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.






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






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






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






47. 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:






48. 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






49. The simplest way to install Apache






50. ____ is used to modify file system parameters