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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. rpm ____ to install kernel updates
-i (do not use -U or -F!)
telnetd : ALL EXCEPT 192.168.1.10
LVM
mke2fs
2. _____ will change the size of /dev/rootvg/tmplv to 4 gig
filesystem type is not ext2 or ext3
parted /dev/hda print
lvextend -L4G /dev/rootvg/tmplv
chkconfig --list httpd
3. 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 ____
yum install httpd
rpm -e zip
parted /dev/hda print
nfs
4. 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)
tune2fs
telnetd : ALL EXCEPT 192.168.1.10
rpm -qc
e2fsadm
5. Where to find the main apache config file?
filesystem type is not ext2 or ext3
showmount -e
/etc/httpd/conf/
chkconfig --level 35 httpd on
6. ____ configuration is not available via text mode RHEL installation.
elinks
LVM
ServerAdmin
yum install httpd
7. Where is the vsftp pub dir?
/var/ftp/pub
select (followed by the device name such as /dev/hdb)
chcon -R -t httpd_sys_content_t /home/michael/public_html
ServerTokens
8. Where is the config dir for vsftpd?
rpm -ivh --replacepkgs xxxx*
grep '[.*]' server1.repo
showmount -e
/etc/vsftpd
9. Create the basic cache directories in /var/spool/squid with the following command:
-l
/etc/vsftpd
chcon -R -t httpd_sys_content_t /home/michael/public_html
squid -z
10. If you want to add an iptables command to forward TCP port 80 traffic to TCP port 3128 - you would use the following:
var/www/html
-i (do not use -U or -F!)
ssh
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
11. Virtual Host Configuration: Sets a root directory for the virtual host.
/etc/init.d/httpd start
fdisk
port 21
DocumentRoot
12. How to make sure apache starts automatically on next reboot?
NameVirtualHost
chkconfig httpd on
pirut
5
13. 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
lvextend -L4G /dev/rootvg/tmplv
filesystem type is not ext2 or ext3
setsebool -P squid_connect_any 1
port 21
14. When an rpm install fails for xxxx because the same version is already apparently installed - run ____ to just install it all again
rpm -ivh --replacepkgs xxxx*
system-config-firewall
tune2fs
ls -Z
15. 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 ____
lvdisplay -D /dev/rootvg/tmplv
elinks
telnetd : ALL EXCEPT 192.168.1.10
/boot
16. ____ prints superblock and block group information.
service vsftpd status
dumpe2fs
ServerName
tune2fs
17. How to start the vsftp service?
dumpe2fs
/etc/init.d/vsftpd start
e2fsadm
chmod 701
18. After extending file system 'homevol' - unmount it and then run _____ to make the filesystem size match the new larger volume.
-K
port 21
fdisk -l
resize2fs /dev/myvg/homevol
19. Virtual Host Configuration: Names the URL for the virtual host.
ServerName
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
grep '[.*]' server1.repo
/ (root) - /boot and linux swap
20. Where is the main apache data directory?
yum update kernel
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
rpm -ivh --replacepkgs xxxx*
var/www/html
21. To list under which run levels the web service will start
dumpe2fs
chkconfig --list httpd
/media/repodata
yum install vsftpd
22. It's much more difficult and much more time-consuming to revise partitions with utilities such as ____ or parted after RHEL is installed.
chmod 705
chcon -R -t httpd_sys_content_t /home/michael/public_html
fdisk
e2fsadm
23. 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
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
resize2fs /dev/myvg/homevol
rpm -e zip
var/www/html
24. rpm ____ verifies all installed rpms against the rpm database
iptables
/media/repodata
rpm -Va
fdisk -l
25. 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
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)
fdisk
ServerTokens
e2fsadm
26. Where is vsftpd.conf?
setsebool -P squid_connect_any 1
/etc/vsftpd
yum install vsftpd
e2fsadm
27. 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
tune2fs
yum install httpd
yum update kernel
fdisk
28. Tthe file that might contain: oldvg - rootvg - etc.
/etc/lvmtab
5
showmount -a
yum install vsftpd
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
LVM
-K
telnetd : ALL EXCEPT 192.168.1.10
var/ftp/pub
30. For http - if you implement 'UserDir public_html' - you need to also ____ /home/michael/public_html if you want /home/michael/public_html accessible
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
parted; mklabel k
chmod 701
chmod 705
31. Apache supports security by specifying active ports through the Listen and ____ directives.
NameVirtualHost
lvextend -L4G /dev/rootvg/tmplv
yum install httpd
chmod 705
32. output from ____ is: Disk /dev/cciss/c0d0: 36.4 GB - 36414750720 bytes... plus listing of partitions - for each physical drive
fdisk -l
setsebool -P squid_connect_any 1
iptables -F
chkconfig --level 35 httpd on
33. I just finished editing my /etc/yum.repos.d/*repo file and want yum to use the new info - so I run ____
port 21
yum clean all
-i (do not use -U or -F!)
ErrorLog
34. The main Squid configuration file is ____/squid.conf
/etc/squid/
tune2fs
CustomLog
setup
35. To install both mod_ssl and squid packages
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
/etc/lvmtab
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
yum install mod_ssl squid
36. 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
37. The rpm ____ option installs the package - if it isn't already installed.
-i
nfs
LVM
/ (root) - /boot and linux swap
38. 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
/etc/init.d/httpd start
chcon -R -t httpd_sys_content_t /home/michael/public_html
squid -z
chkconfig --list httpd
39. rpm ____ to import the rpm key for integrity checking
lvextend -L4G /dev/rootvg/tmplv
yum clean all
mke2fs
--import file
40. If rhel6 is in the /media directory - where is the XML file on that DVD with a database of packages and package groups?
iptables -F
/media/repodata
iptables -F
system-config-firewall
41. After you edit /etc/exports - run service ___ stop...
elinks
e2fsadm
AllowOverride
nfs
42. Are SELinux and iptables-based firewalls are enabled by default?
parted; check x
ErrorLog
dd if=./diskboot.img of=/dev/sdc
Yes
43. How to install vsftpd?
yum install vsftpd
First boot process
yum clean all
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
44. ____ can expand and shrink ext2 and ext3 file systems
chkconfig --level 35 httpd on
chmod 701
resize2fs
resize2fs /dev/myvg/homevol
45. '____ /var/www' will tell you the ACL settings of /var/www
ls -Z
/etc/squid/
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
wget (http://devmon.dev.schwab.com/index.html)
46. The simplest way to install Apache
iptables -F
yum install httpd
rpm -e zip
lvextend -L4G /dev/rootvg/tmplv
47. 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
AllowOverride
ssh
DocumentRoot
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
48. httpd ___ to update the httpd package - automatically answering yes to all the questions
yum -y update
rpm -V
LVM
NameVirtualHost
49. To select a different device without having to restart parted - use the ____ command . Then - you can view its partition table or configure it.
/ (root) - /boot and linux swap
iptables
/etc/vsftpd
select (followed by the device name such as /dev/hdb)
50. If in doubt about package names - you can find them in the ...
/etc/init.d/httpd start
/boot
DocumentRoot
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)