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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. ____ is used for creating ext2 and ext3 file systems
mke2fs
lvextend -L4G /dev/rootvg/tmplv
pirut
var/ftp/pub
2. If in doubt about package names - you can find them in the ...
tune2fs
/etc/httpd/conf/
nfs
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)
3. rpm options include rpm -q [package name] or rpm -qf [path/file] or rmp -q____
dumpe2fs
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
parted /dev/hda print
(rpm -q)p file (for rpmfile name)
4. ____ can expand and shrink ext2 and ext3 file systems
rpm -e zip
resize2fs
rpm -V
chmod 701
5. _____ will change the size of /dev/rootvg/tmplv to 4 gig
dd if=./diskboot.img of=/dev/sdc
lvextend -L4G /dev/rootvg/tmplv
filesystem type is not ext2 or ext3
chkconfig --list httpd
6. To install both mod_ssl and squid packages
squid -z
service vsftpd status
pirut
yum install mod_ssl squid
7. rpm ____ to import the rpm key for integrity checking
/etc/init.d/httpd restart
--import file
select (followed by the device name such as /dev/hdb)
yum install vsftpd
8. To list under which run levels the web service will start
chkconfig --list httpd
-i
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)
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
9. Create the basic cache directories in /var/spool/squid with the following command:
/etc/squid/
squid -z
ErrorLog
var/ftp/pub
10. ____ is used to modify file system parameters
/media/repodata
rpm -V
LVM
tune2fs
11. Virtual Host Configuration: Sets a root directory for the virtual host.
var/www/html
DocumentRoot
rpm -Va
showmount -a
12. What command starts the same menu as the text-mode First Boot process?
setup
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
tune2fs
mke2fs
13. The simplest way to install Apache
fdisk
yum -y update
chmod 701
yum install httpd
14. What is the first post installation step?
yum install vsftpd
/etc/init.d/vsftpd start
First boot process
/etc/init.d/httpd restart
15. 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
dd if=./diskboot.img of=/dev/sdc
iptables
Yes
filesystem type is not ext2 or ext3
16. What service is allowed through the default firewall?
/etc/httpd/conf/
rpm -V zip
mke2fs
ssh
17. Logical partitions on a hard drive always start with number ____; on the first PATA/IDE hard drive on a PC - that is hda____.
/etc/httpd/conf/
setsebool -P squid_connect_any 1
ErrorLog
5
18. 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
19. Create a usb boot disk if the usb stick is /dev/sdc and the file you need is in your present directory
dd if=./diskboot.img of=/dev/sdc
--import file
/ (root) - /boot and linux swap
yum install httpd
20. How to install vsftpd?
(rpm -q)p file (for rpmfile name)
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
yum install vsftpd
/etc/init.d/httpd restart
21. Where is vsftpd.conf?
/etc/vsftpd
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
yum clean all
parted; mklabel k
22. 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 ____
parted /dev/hda print
rpm -e zip
rpm -V
iptables -F
23. ____ prints superblock and block group information.
rpm -ivh --replacepkgs xxxx*
chkconfig vsftpd on
setsebool -P squid_connect_any 1
dumpe2fs
24. 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
/etc/init.d/httpd start
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
ErrorLog
var/www/html
25. Apache supports security by specifying active ports through the Listen and ____ directives.
grep '[.*]' server1.repo
service vsftpd status
NameVirtualHost
yum clean all
26. 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
Yes
ServerTokens
telnetd : ALL EXCEPT 192.168.1.10
showmount -e
27. To select a different device without having to restart parted - use the ____ command . Then - you can view its partition table or configure it.
rpm -Va
/etc/init.d/httpd start
service vsftpd status
select (followed by the device name such as /dev/hdb)
28. Create a disk label for the partition table called k
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)
NameVirtualHost
chcon -R -t httpd_sys_content_t /home/michael/public_html
parted; mklabel k
29. For http - if you implement 'UserDir public_html' - you need to also ____ /home/michael if you want /home/michael/public_html accessible
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
chmod 701
var/www/html
chcon -R -t httpd_sys_content_t /home/michael/public_html
30. rpm option to show me the package files
-l
wget (http://devmon.dev.schwab.com/index.html)
/etc/vsftpd
lvdisplay -D /dev/rootvg/tmplv
31. Where is the vsftp pub dir?
pirut
resize2fs
yum install httpd
/var/ftp/pub
32. What parts of rhel6 should be installed to separate volumes?
NameVirtualHost
/ (root) - /boot and linux swap
fdisk -l
-i (do not use -U or -F!)
33. 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
tune2fs
chcon -R -t httpd_sys_content_t /home/michael/public_html
dd if=./diskboot.img of=/dev/sdc
e2fsadm
34. I just finished editing my /etc/yum.repos.d/*repo file and want yum to use the new info - so I run ____
yum clean all
chkconfig vsftpd on
ServerTokens
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
35. 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
e2fsadm
setsebool -P squid_connect_any 1
tune2fs
-K
36. To verify integrity of an rpm package - ____/rpm-gpg/RPM-GPG-KEY-redhat-release
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
fdisk -l
resize2fs
chkconfig vsftpd on
37. 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:
LVM
service vsftpd status
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
5
38. rpm ____ verifies all installed rpms against the rpm database
dd if=./diskboot.img of=/dev/sdc
parted /dev/hda print
rpm -Va
showmount -e
39. For http - if you implement 'UserDir public_html' - you need to also ____ /home/michael/public_html if you want /home/michael/public_html accessible
showmount -a
chmod 705
DocumentRoot
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
40. The rpm ____ option installs the package - if it isn't already installed.
setsebool -P htttpd.enable.homedirs 1
-i
/etc/vsftpd
parted; check x
41. To check status of ftp daemon
yum install httpd
service vsftpd status
yum install mod_ssl squid
/etc/vsftpd
42. How to start apache service?
/etc/init.d/httpd start
AllowOverride
chmod 705
chkconfig --level 35 httpd on
43. What is the standard directory for file sharing with vsFTP?
var/ftp/pub
lvextend -L4G /dev/rootvg/tmplv
fdisk
elinks
44. Some computers built before 1998 may have a BIOS that limits access to hard disks beyond the 1024th cylinder. Some older BIOSs report only 1024 cylinders on a hard drive no matter how many actual cylinders are present. Computers that are subject to t
First boot process
/ (root) - /boot and linux swap
ErrorLog
/boot
45. Where to find the main apache config file?
chcon -R -t httpd_sys_content_t /home/michael/public_html
resize2fs
/ (root) - /boot and linux swap
/etc/httpd/conf/
46. 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
/media/repodata
AllowOverride
-K
chkconfig --level 35 httpd on
47. what port needs to be open to access ftp?
port 21
showmount -e
fdisk -l
ls -Z
48. How to disable the firewall on the current system?
ServerName
iptables -F
ErrorLog
showmount -a
49. If you want to add an iptables command to forward TCP port 80 traffic to TCP port 3128 - you would use the following:
CustomLog
iptables -F
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
rpm -V
50. 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
chkconfig --level 35 httpd on
parted /dev/hda print
system-config-firewall