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






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






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






4. 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:






5. ___________ can be on a RAID device






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






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






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






9. To check status of ftp daemon






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






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






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






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






14. how to install both mod_ssl and squid packages






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






16. 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






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. rpm option to show me the package files






19. 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






20. 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






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






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






24. 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.






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






26. 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 ____






27. The simplest way to install Apache






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






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






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






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






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






33. 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






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






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






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






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






38. 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






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






40. 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:






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






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






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






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






45. 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.






46. 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)






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






48. ____.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.






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






50. 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