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Test your basic knowledge |
RHCE: Red Hat Certified Engineer
Start Test
Study First
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. I just finished editing my /etc/yum.repos.d/*repo file and want yum to use the new info - so I run ____
/etc/init.d/vsftpd start
yum clean all
lvdisplay -D /dev/rootvg/tmplv
--import file
2. After extending file system 'homevol' - unmount it and then run _____ to make the filesystem size match the new larger volume.
iptables
setsebool -P htttpd.enable.homedirs 1
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
resize2fs /dev/myvg/homevol
3. How do you restart the apache web server?
/etc/init.d/httpd restart
lvextend -L4G /dev/rootvg/tmplv
/etc/squid/
5
4. ____ is used for creating ext2 and ext3 file systems
setsebool -P squid_connect_any 1
mke2fs
/etc/squid/
var/ftp/pub
5. Create a usb boot disk if the usb stick is /dev/sdc and the file you need is in your present directory
chmod 705
rpm -ivh --replacepkgs xxxx*
e2fsadm
dd if=./diskboot.img of=/dev/sdc
6. 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:
NameVirtualHost
-K
showmount -e
rpm -V
7. List sboth the client hostname or IP address and mounted directory in host:dir format. This info should not be considered reliable.
DocumentRoot
-i (do not use -U or -F!)
select (followed by the device name such as /dev/hdb)
showmount -a
8. It's much more difficult and much more time-consuming to revise partitions with utilities such as ____ or parted after RHEL is installed.
First boot process
-l
fdisk
/etc/lvmtab
9. 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
service vsftpd status
chkconfig --list httpd
AllowOverride
CustomLog
10. How to start apache service?
/etc/init.d/vsftpd start
--import file
/etc/init.d/httpd start
var/ftp/pub
11. 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:
5
grep '[.*]' server1.repo
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
12. Virtual Host Configuration: Specifies an IP address for multiple virtual hosts.
/ (root) - /boot and linux swap
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
setsebool -P squid_connect_any 1
NameVirtualHost
13. How to start the vsftp service?
system-config-firewall
elinks
-i
/etc/init.d/vsftpd start
14. What command starts the same menu as the text-mode First Boot process?
NameVirtualHost
dumpe2fs
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
setup
15. How to disable the firewall on the current system?
/etc/init.d/vsftpd start
iptables -F
setsebool -P squid_connect_any 1
/etc/squid/
16. 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 ____
/media/repodata
elinks
chmod 701
/etc/vsftpd
17. ____ prints superblock and block group information.
yum clean all
(rpm -q)p file (for rpmfile name)
/etc/init.d/httpd start
dumpe2fs
18. To list under which run levels the web service will start
yum install httpd
chcon -R -t httpd_sys_content_t /home/michael/public_html
chkconfig --list httpd
telnetd : ALL EXCEPT 192.168.1.10
19. The main Squid configuration file is ____/squid.conf
/etc/squid/
telnetd : ALL EXCEPT 192.168.1.10
/etc/init.d/httpd start
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
20. How to install apache?
yum install httpd
rpm -qc
--import file
system-config-firewall
21. How to make sure apache starts automatically on next reboot?
chmod 705
/etc/httpd/conf/
var/www/html
chkconfig httpd on
22. 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
setsebool -P htttpd.enable.homedirs 1
rpm -V
system-config-firewall
ServerTokens
23. Use grep to count how many repositories have been configured in the file server1.repo
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
24. Perform a simple check of the file system. minor-num is x.
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
showmount -a
parted; check x
/boot
25. To verify integrity of an rpm package - ____/rpm-gpg/RPM-GPG-KEY-redhat-release
ErrorLog
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
pirut
chkconfig httpd on
26. To install both mod_ssl and squid packages
/etc/vsftpd
yum install mod_ssl squid
ServerName
mke2fs
27. If in doubt about package names - you can find them in the ...
grep '[.*]' server1.repo
/boot
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)
select (followed by the device name such as /dev/hdb)
28. 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)
e2fsadm
CustomLog
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
29. ____ can expand and shrink ext2 and ext3 file systems
/etc/init.d/vsftpd start
resize2fs
showmount -e
/etc/init.d/httpd restart
30. When an rpm install fails for xxxx because the same version is already apparently installed - run ____ to just install it all again
dumpe2fs
rpm -qc
/etc/init.d/vsftpd start
rpm -ivh --replacepkgs xxxx*
31. httpd ___ shows me what config files were installed when the httpd package was installed
LVM
CustomLog
rpm -qc
tune2fs
32. If rhel6 is in the /media directory - where is the XML file on that DVD with a database of packages and package groups?
grep '[.*]' server1.repo
setup
/media/repodata
chmod 701
33. 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
-i
resize2fs /dev/myvg/homevol
iptables
/etc/init.d/vsftpd start
34. Apache supports security by specifying active ports through the Listen and ____ directives.
NameVirtualHost
/ (root) - /boot and linux swap
chkconfig --level 35 httpd on
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
35. What is the standard directory for file sharing with vsFTP?
var/ftp/pub
rpm -V
parted /dev/hda print
port 21
36. Run the ____ command to find the device associated with the USB key.
/ (root) - /boot and linux swap
fdisk -l
select (followed by the device name such as /dev/hdb)
NameVirtualHost
37. If you want to add an iptables command to forward TCP port 80 traffic to TCP port 3128 - you would use the following:
select (followed by the device name such as /dev/hdb)
First boot process
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
ServerAdmin
38. What is the first post installation step?
lvdisplay -D /dev/rootvg/tmplv
/etc/init.d/httpd start
5
First boot process
39. Where is the main apache data directory?
First boot process
resize2fs
var/www/html
ErrorLog
40. ___ 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)
/etc/vsftpd
setsebool -P htttpd.enable.homedirs 1
chcon -R -t httpd_sys_content_t /home/michael/public_html
41. rpm ____ verifies the installed zip rpm against the rpm database
mke2fs
yum install mod_ssl squid
/etc/vsftpd
rpm -V zip
42. output from ____ is: Disk /dev/cciss/c0d0: 36.4 GB - 36414750720 bytes... plus listing of partitions - for each physical drive
showmount -a
fdisk -l
/etc/lvmtab
filesystem type is not ext2 or ext3
43. What parts of rhel6 should be installed to separate volumes?
/ (root) - /boot and linux swap
ErrorLog
yum install httpd
select (followed by the device name such as /dev/hdb)
44. rpm ____ verifies all installed rpms against the rpm database
rpm -Va
yum install httpd
resize2fs
fdisk -l
45. Are SELinux and iptables-based firewalls are enabled by default?
squid -z
Yes
rpm -e zip
yum -y update
46. rpm ____ to install kernel updates
ServerName
chkconfig httpd on
-i (do not use -U or -F!)
fdisk -l
47. The rpm ____ option installs the package - if it isn't already installed.
ls -Z
-i
NameVirtualHost
nfs
48. what utility can be used to open port 80?
lvdisplay -D /dev/rootvg/tmplv
system-config-firewall
ServerAdmin
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
49. What service is allowed through the default firewall?
ssh
dd if=./diskboot.img of=/dev/sdc
chkconfig --list httpd
rpm -e zip
50. httpd ___ to update the httpd package - automatically answering yes to all the questions
chkconfig --list httpd
rpm -qc
yum -y update
resize2fs /dev/myvg/homevol