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. 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






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






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






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






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






7. 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.






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






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






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






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






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






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






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






15. 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.






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






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






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






19. 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






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






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






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






23. ____ is used to modify file system parameters






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






25. ___________ can be on a RAID device






26. To check status of ftp daemon






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






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






29. rpm option to show me the package files






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






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






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






33. 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






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






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






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






37. rpm ____ to install kernel updates






38. 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






39. 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:






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






41. how to install both mod_ssl and squid packages






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






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






44. 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






45. 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 ____






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






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






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






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






50. ____ prints superblock and block group information.







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