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






2. The simplest way to install Apache






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






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






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






6. 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.






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






8. 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






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






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






11. how to install both mod_ssl and squid packages






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






13. 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






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






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






16. 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:






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






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






19. ____ prints superblock and block group information.






20. 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:






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






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






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






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






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






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






27. 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






28. 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






29. 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






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






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






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






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






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






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






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






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






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






39. ____.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.






40. ____ is used to modify file system parameters






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






42. 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)






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






44. 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 ____






45. 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






46. To check status of ftp daemon






47. 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.






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






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






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