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






2. 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






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






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






5. 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






6. 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






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






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






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






10. The simplest way to install Apache






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






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






13. 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:






14. 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.






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






16. ____ is used to modify file system parameters






17. 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.






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






19. rpm ____ to install kernel updates






20. ____.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.






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






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






23. 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






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






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






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






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






28. 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:






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






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






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






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






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






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






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






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






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






38. 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 ____






39. 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:






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






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






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






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






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






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






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






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






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






49. ____ prints superblock and block group information.






50. 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