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. how to install both mod_ssl and squid packages






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






3. ___________ can be on a RAID device






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






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






6. ____.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.






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






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






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






10. 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






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






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






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. ____ prints superblock and block group information.






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






17. 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)






18. 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)






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






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






21. 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






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






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






24. 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:






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






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






27. rpm option to show me the package files






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






29. 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






30. The simplest way to install Apache






31. 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






32. ____ is used to modify file system parameters






33. 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






34. 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






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






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






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






38. 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 ____






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






40. 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






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






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






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






44. rpm ____ to install kernel updates






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






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






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






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






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






50. 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