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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 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.






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






3. 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






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






5. 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)






6. 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






7. 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:






8. 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:






9. 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 ____






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






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






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






15. 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






16. 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






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






18. how to install both mod_ssl and squid packages






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






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






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






22. 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.






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






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






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






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






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






28. rpm ____ to install kernel updates






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






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






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






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






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






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






35. To check status of ftp daemon






36. 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)






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






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






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






40. 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






41. rpm option to show me the package files






42. 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






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






44. The simplest way to install Apache






45. ____ is used to modify file system parameters






46. 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






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






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






49. 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






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







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