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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. You can use the ____ tool after installation to add any package groups that you missed.
/etc/init.d/vsftpd start
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
resize2fs /dev/myvg/homevol
pirut
2. How to make sure apache starts automatically on next reboot?
system-config-firewall
chkconfig httpd on
yum install httpd
lvextend -L4G /dev/rootvg/tmplv
3. 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:
squid -z
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
fdisk -l
4. ____ is used for creating ext2 and ext3 file systems
yum clean all
rpm -Va
/etc/vsftpd
mke2fs
5. ___ http://devmon.dev.schwab.com/index.html will make a local copy of the index.html file from devmon
lvdisplay -D /dev/rootvg/tmplv
htpasswd -c /etc/httpd/webpass e
rpm -V
wget (http://devmon.dev.schwab.com/index.html)
6. 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
-l
/var/ftp/pub
/etc/lvmtab
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
7. After you edit /etc/exports - run service ___ stop...
iptables -F
AllowOverride
nfs
/etc/init.d/vsftpd start
8. Use parted to display disk geometry for /dev/hda and end up in shell
parted /dev/hda print
parted; check x
ssh
var/ftp/pub
9. 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
fdisk -l
iptables
AllowOverride
yum install httpd
10. Tthe file that might contain: oldvg - rootvg - etc.
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)
/etc/init.d/httpd start
/etc/lvmtab
e2fsadm
11. It's much more difficult and much more time-consuming to revise partitions with utilities such as ____ or parted after RHEL is installed.
5
Yes
fdisk
setup
12. How to disable the firewall on the current system?
select (followed by the device name such as /dev/hdb)
iptables -F
setsebool -P htttpd.enable.homedirs 1
AllowOverride
13. Create a usb boot disk if the usb stick is /dev/sdc and the file you need is in your present directory
var/ftp/pub
ServerName
dd if=./diskboot.img of=/dev/sdc
nfs
14. ____ is used to modify file system parameters
tune2fs
telnetd : ALL EXCEPT 192.168.1.10
mke2fs
squid -z
15. 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 ____
lvdisplay -D /dev/rootvg/tmplv
ls -Z
NameVirtualHost
rpm -e zip
16. To list under which run levels the web service will start
resize2fs
chkconfig --list httpd
fdisk -l
iptables -F
17. rpm ____ to install kernel updates
chmod 705
-i (do not use -U or -F!)
fdisk -l
e2fsadm
18. For http - if you implement 'UserDir public_html' - you need to also ____ /home/michael/public_html if you want /home/michael/public_html accessible
yum -y update
chmod 705
/etc/vsftpd
First boot process
19. Where is the vsftp pub dir?
/var/ftp/pub
dd if=./diskboot.img of=/dev/sdc
rpm -V zip
DocumentRoot
20. 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
/etc/httpd/conf/
(rpm -q)p file (for rpmfile name)
yum update kernel
chkconfig httpd on
21. 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:
htpasswd -c /etc/httpd/webpass e
var/ftp/pub
yum install httpd
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
22. When an rpm install fails for xxxx because the same version is already apparently installed - run ____ to just install it all again
system-config-firewall
rpm -ivh --replacepkgs xxxx*
rpm -V
setsebool -P htttpd.enable.homedirs 1
23. httpd ___ to update the httpd package - automatically answering yes to all the questions
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
ssh
yum -y update
service vsftpd status
24. rpm ____ verifies the installed zip rpm against the rpm database
iptables
/etc/lvmtab
rpm -V zip
nfs
25. SELinux must be configured to Allow HTTPD To Read Home Directories. (Alternatively - activate the httpd_enable_homedirs boolean with the __ command.)
setsebool -P htttpd.enable.homedirs 1
e2fsadm
rpm -V
squid -z
26. rpm options include rpm -q [package name] or rpm -qf [path/file] or rmp -q____
filesystem type is not ext2 or ext3
(rpm -q)p file (for rpmfile name)
AllowOverride
setsebool -P squid_connect_any 1
27. If rhel6 is in the /media directory - where is the XML file on that DVD with a database of packages and package groups?
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)
/media/repodata
parted; mklabel k
(rpm -q)p file (for rpmfile name)
28. What command starts the same menu as the text-mode First Boot process?
ssh
(rpm -q)p file (for rpmfile name)
setup
-i (do not use -U or -F!)
29. The simplest way to install Apache
yum install httpd
-i
port 21
service vsftpd status
30. 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
31. rpm ____ to import the rpm key for integrity checking
--import file
NameVirtualHost
var/www/html
(rpm -q)p file (for rpmfile name)
32. Logical partitions on a hard drive always start with number ____; on the first PATA/IDE hard drive on a PC - that is hda____.
ServerAdmin
5
/media/repodata
tune2fs
33. ____ can expand and shrink ext2 and ext3 file systems
parted /dev/hda print
iptables
resize2fs
yum install vsftpd
34. 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
AllowOverride
rpm -V
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
35. 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:
htpasswd -c /etc/httpd/webpass e
ls -Z
showmount -e
var/ftp/pub
36. List sboth the client hostname or IP address and mounted directory in host:dir format. This info should not be considered reliable.
ErrorLog
yum install httpd
showmount -a
chkconfig vsftpd on
37. Virtual Host Configuration: Specifies an IP address for multiple virtual hosts.
-K
-i
service vsftpd status
NameVirtualHost
38. 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.
ErrorLog
-K
rpm -V
(rpm -q)p file (for rpmfile name)
39. Virtual Host Configuration: Names the URL for the virtual host.
ServerName
NameVirtualHost
chmod 701
-i (do not use -U or -F!)
40. ____ prints superblock and block group information.
var/www/html
yum install mod_ssl squid
dumpe2fs
yum install vsftpd
41. 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 ____
--import file
lvextend -L4G /dev/rootvg/tmplv
elinks
/media/repodata
42. 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)
CustomLog
/etc/httpd/conf/
/media/repodata
fdisk -l
43. pam ___ will tell me if any files in the pam package have changed since it was first installed
yum update kernel
rpm -V
ServerTokens
var/ftp/pub
44. After extending file system 'homevol' - unmount it and then run _____ to make the filesystem size match the new larger volume.
rpm -V zip
/etc/squid/
/etc/vsftpd
resize2fs /dev/myvg/homevol
45. ______ will show me volume info including vg - size - etc of /dev/rootvg/tmplv
LVM
yum install httpd
lvdisplay -D /dev/rootvg/tmplv
resize2fs
46. I just finished editing my /etc/yum.repos.d/*repo file and want yum to use the new info - so I run ____
fdisk
resize2fs
5
yum clean all
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
--import file
5
yum install httpd
48. How to start apache service?
/etc/init.d/httpd start
/etc/squid/
ls -Z
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)
49. I ran 'e2label /dev/sda' and got 'bad magic number' Why?
(rpm -q)p file (for rpmfile name)
rpm -e zip
/etc/vsftpd
filesystem type is not ext2 or ext3
50. What service is allowed through the default firewall?
LVM
First boot process
ssh
rpm -V