Test your basic knowledge |

RHCE: Red Hat Certified Engineer

Subjects : certifications, it-skills, rhce

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 start apache service?
/etc/init.d/httpd start
iptables -F
ls -Z
setsebool -P htttpd.enable.homedirs 1

2. After extending file system 'homevol' - unmount it and then run _____ to make the filesystem size match the new larger volume.
resize2fs /dev/myvg/homevol
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
elinks
iptables

3. ____ is used to modify file system parameters
-i (do not use -U or -F!)
/etc/vsftpd
tune2fs
-i

4. Virtual Host Configuration: Specifies an IP address for multiple virtual hosts.
NameVirtualHost
ServerName
ssh
iptables -F

5. What is the first post installation step?
First boot process
chmod 701
rpm -V
ErrorLog

6. List sboth the client hostname or IP address and mounted directory in host:dir format. This info should not be considered reliable.
showmount -a
/var/ftp/pub
yum update kernel
chmod 701

7. The rpm ____ option installs the package - if it isn't already installed.
-i
CustomLog
rpm -V
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)

8. To install both mod_ssl and squid packages
setup
yum install mod_ssl squid
setsebool -P htttpd.enable.homedirs 1
parted /dev/hda print

9. When an rpm install fails for xxxx because the same version is already apparently installed - run ____ to just install it all again
NameVirtualHost
rpm -ivh --replacepkgs xxxx*
setup
yum update kernel

10. rpm ____ verifies all installed rpms against the rpm database
Yes
rpm -Va
squid -z
(rpm -q)p file (for rpmfile name)

11. How to disable the firewall on the current system?
iptables -F
mke2fs
rpm -V zip
rpm -Va

12. You can use the ____ tool after installation to add any package groups that you missed.
parted; check x
wget (http://devmon.dev.schwab.com/index.html)
system-config-firewall
pirut

13. Create the basic cache directories in /var/spool/squid with the following command:
(rpm -q)p file (for rpmfile name)
setup
/etc/httpd/conf/
squid -z

14. httpd ___ shows me what config files were installed when the httpd package was installed
/media/repodata
wget (http://devmon.dev.schwab.com/index.html)
setsebool -P htttpd.enable.homedirs 1
rpm -qc

15. It's much more difficult and much more time-consuming to revise partitions with utilities such as ____ or parted after RHEL is installed.
fdisk
ServerAdmin
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
yum install mod_ssl squid

16. Virtual Host Configuration: Names the URL for the virtual host.
lvdisplay -D /dev/rootvg/tmplv
fdisk -l
ServerName
system-config-firewall

17. SELinux must be configured to Allow HTTPD To Read Home Directories. (Alternatively - activate the httpd_enable_homedirs boolean with the __ command.)
(rpm -q)p file (for rpmfile name)
setsebool -P htttpd.enable.homedirs 1
fdisk -l
setup

18. How to make sure apache starts automatically on next reboot?
rpm -V
squid -z
chkconfig httpd on
e2fsadm

19. 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
rpm -V
dumpe2fs
ssh
yum update kernel

20. ____ is used for creating ext2 and ext3 file systems
mke2fs
setsebool -P squid_connect_any 1
iptables -F
htpasswd -c /etc/httpd/webpass e

21. What command starts the same menu as the text-mode First Boot process?
iptables -F
rpm -V
/etc/init.d/httpd start
setup

22. The most straightforward way to make sure Apache starts in bootlevels 3 and 5
var/www/html
chkconfig --level 35 httpd on
chkconfig --list httpd
-K

23. I ran 'e2label /dev/sda' and got 'bad magic number' Why?
filesystem type is not ext2 or ext3
-l
yum install httpd
service vsftpd status

24. To check status of ftp daemon
service vsftpd status
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
ls -Z
iptables -F

25. Virtual Host Configuration: Assigns an e-mail address for the specified virtual host.
comps.xml (comps.xml file in the /usr/share/comps/i386 directory - -- or Web Server package group - as documented on the first installation CD in the Server/repodatata/comps-rhel5-server-core.xml file)
resize2fs
select (followed by the device name such as /dev/hdb)
ServerAdmin

26. Where is vsftpd.conf?
system-config-firewall
ServerAdmin
/etc/vsftpd
yum install mod_ssl squid

27. rpm ____ to import the rpm key for integrity checking
ls -Z
First boot process
--import file
var/www/html

28. What parts of rhel6 should be installed to separate volumes?
elinks
pirut
rpm -e zip
/ (root) - /boot and linux swap

29. Tthe file that might contain: oldvg - rootvg - etc.
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
ServerName
chcon -R -t httpd_sys_content_t /home/michael/public_html
/etc/lvmtab

30. Where is the vsftp pub dir?
parted; check x
lvdisplay -D /dev/rootvg/tmplv
NameVirtualHost
/var/ftp/pub

31. Are SELinux and iptables-based firewalls are enabled by default?
First boot process
var/www/html
Yes
ErrorLog

32. OS from http.conf - 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 - an
iptables -F
NameVirtualHost
ServerTokens
yum clean all

33. Create a disk label for the partition table called k
ServerName
parted; mklabel k
fdisk -l
elinks

34. The simplest way to install Apache
iptables -F
Yes
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
yum install httpd

35. ____ prints superblock and block group information.
dumpe2fs
5
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
resize2fs

36. rpm options include rpm -q [package name] or rpm -qf [path/file] or rmp -q____
CustomLog
ssh
(rpm -q)p file (for rpmfile name)
AllowOverride

37. rpm ____ to install kernel updates
/etc/init.d/httpd start
-i (do not use -U or -F!)
yum install mod_ssl squid
var/ftp/pub

38. How to install apache?
yum install httpd
Yes
LVM
resize2fs

39. _____ will change the size of /dev/rootvg/tmplv to 4 gig
lvextend -L4G /dev/rootvg/tmplv
ls -Z
system-config-firewall
parted; check x

40. httpd ___ to update the httpd package - automatically answering yes to all the questions
service vsftpd status
yum -y update
chkconfig httpd on
yum install httpd

41. If rhel6 is in the /media directory - where is the XML file on that DVD with a database of packages and package groups?
ssh
fdisk -l
/media/repodata
comps.xml (comps.xml file in the /usr/share/comps/i386 directory - -- or Web Server package group - as documented on the first installation CD in the Server/repodatata/comps-rhel5-server-core.xml file)

42. How do you restart the apache web server?
/etc/init.d/httpd restart
LVM
chkconfig httpd on
var/ftp/pub

43. If in doubt about package names - you can find them in the ...
comps.xml (comps.xml file in the /usr/share/comps/i386 directory - -- or Web Server package group - as documented on the first installation CD in the Server/repodatata/comps-rhel5-server-core.xml file)
chkconfig vsftpd on
lvextend -L4G /dev/rootvg/tmplv
rpm -V zip

44. How to start the vsftp service automatically on boot?
setsebool -P squid_connect_any 1
chkconfig vsftpd on
service vsftpd status
rpm -qc

45. What is the standard directory for file sharing with vsFTP?
var/ftp/pub
5
yum -y update
select (followed by the device name such as /dev/hdb)

46. ____ configuration is not available via text mode RHEL installation.
chmod 701
tune2fs
LVM
rpm -V

47. ___ http://devmon.dev.schwab.com/index.html will make a local copy of the index.html file from devmon
wget (http://devmon.dev.schwab.com/index.html)
ErrorLog
comps.xml (comps.xml file in the /usr/share/comps/i386 directory - -- or Web Server package group - as documented on the first installation CD in the Server/repodatata/comps-rhel5-server-core.xml file)
elinks

48. 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
showmount -a
ServerName
telnetd : ALL EXCEPT 192.168.1.10
CustomLog

49. 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:
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
rpm -e zip
/etc/httpd/conf/
showmount -e

50. Where is the config dir for vsftpd?
iptables -F
/etc/vsftpd
chkconfig httpd on
rpm -V zip