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






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






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






4. 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






5. 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






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






7. 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






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






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






10. To check status of ftp daemon






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






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






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






14. 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:






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






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






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






18. 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.






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






20. 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






21. 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






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






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






24. 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:






25. 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






26. 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.






27. 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






28. 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






29. ____ is used to modify file system parameters






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






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






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






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






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






35. rpm option to show me the package files






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






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






38. ____ prints superblock and block group information.






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






40. how to install both mod_ssl and squid packages






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






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






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






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






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






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






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






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






49. 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 ____






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