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RHCE: Red Hat Certified Engineer

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. 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






2. 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






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






4. Use parted to display disk geometry for /dev/hda and end up in shell






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






6. Run the ____ command to find the device associated with the USB key.






7. I just ran rpm -ivh zip-2.3-8.i386.rpm .. whooops - now I don't want this on my system so to get it off via rpm I type ____






8. What is the standard directory for file sharing with vsFTP?






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






10. 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






11. How do you restart the apache web server?






12. 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:






13. '____ /var/www' will tell you the ACL settings of /var/www






14. Where to find the main apache config file?






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






16. To install both mod_ssl and squid packages






17. 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






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






19. For http - if you implement 'UserDir public_html' - you need to also ____ /home/michael/public_html if you want /home/michael/public_html accessible






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






21. I just finished editing my /etc/yum.repos.d/*repo file and want yum to use the new info - so I run ____






22. To check status of ftp daemon






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






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






25. 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.






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






27. 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:






28. The simplest way to install Apache






29. What is the first post installation step?






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






31. Are SELinux and iptables-based firewalls are enabled by default?






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






33. How to start apache service?






34. How to start the vsftp service automatically on boot?






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






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






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






38. Where is the vsftp pub dir?






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






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






41. How to start the vsftp service?






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






43. 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.






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






45. I ran 'e2label /dev/sda' and got 'bad magic number' Why?






46. After extending file system 'homevol' - unmount it and then run _____ to make the filesystem size match the new larger volume.






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






48. 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)






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






50. 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







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