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






2. ____ prints superblock and block group information.






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






4. The simplest way to install Apache






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






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






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






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






10. 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)






11. 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






12. 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






13. how to install both mod_ssl and squid packages






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






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






16. 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






17. To check status of ftp daemon






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






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






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






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






22. 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.






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






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






25. ____.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.






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






27. 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






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






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






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






31. ____ is used to modify file system parameters






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






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






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






35. 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 ____






36. 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






37. 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.






38. 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






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






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






41. rpm option to show me the package files






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






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






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






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






46. 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






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






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






49. 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)






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