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






2. 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






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






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






5. 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:






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






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






8. 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






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






10. 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:






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






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






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






14. 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.






15. 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 ____






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






17. 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






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






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






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






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






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






23. 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






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






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






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






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






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






29. 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)






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






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






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






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






34. 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






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. 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)






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






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






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






41. To check status of ftp daemon






42. 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.






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. Virtual Host Configuration: Assigns an e-mail address for the specified virtual host.






45. ___________ can be on a RAID device






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






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






48. ____ is used to modify file system parameters






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







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