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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. List sboth the client hostname or IP address and mounted directory in host:dir format. This info should not be considered reliable.
/etc/lvmtab
showmount -a
rpm -V
fdisk -l
2. httpd ___ shows me what config files were installed when the httpd package was installed
-l
(rpm -q)p file (for rpmfile name)
rpm -qc
rpm -e zip
3. 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.
yum clean all
rpm -V
/etc/squid/
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)
4. Virtual Host Configuration: Creates an error log; the location is based on the DocumentRoot.
-l
NameVirtualHost
ErrorLog
-K
5. Where is vsftpd.conf?
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
port 21
/etc/vsftpd
DocumentRoot
6. Where is the vsftp pub dir?
chkconfig --level 35 httpd on
/var/ftp/pub
ErrorLog
yum -y update
7. Tthe file that might contain: oldvg - rootvg - etc.
/etc/lvmtab
chkconfig httpd on
lvextend -L4G /dev/rootvg/tmplv
setsebool -P htttpd.enable.homedirs 1
8. Virtual Host Configuration: Names the URL for the virtual host.
chmod 705
ServerName
/boot
rpm -V
9. 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 ____
elinks
lvextend -L4G /dev/rootvg/tmplv
ServerAdmin
First boot process
10. Logical partitions on a hard drive always start with number ____; on the first PATA/IDE hard drive on a PC - that is hda____.
htpasswd -c /etc/httpd/webpass e
-i
5
dd if=./diskboot.img of=/dev/sdc
11. What command starts the same menu as the text-mode First Boot process?
rpm -ivh --replacepkgs xxxx*
(rpm -q)p file (for rpmfile name)
--import file
setup
12. ____ prints superblock and block group information.
dumpe2fs
ServerAdmin
ServerName
--import file
13. pam ___ will tell me if any files in the pam package have changed since it was first installed
/etc/lvmtab
rpm -V
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
squid -z
14. Virtual Host Configuration: Specifies an IP address for multiple virtual hosts.
e2fsadm
-K
tune2fs
NameVirtualHost
15. If you want to add an iptables command to forward TCP port 80 traffic to TCP port 3128 - you would use the following:
/boot
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
setsebool -P htttpd.enable.homedirs 1
/etc/squid/
16. What service is allowed through the default firewall?
select (followed by the device name such as /dev/hdb)
tune2fs
ssh
system-config-firewall
17. 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
select (followed by the device name such as /dev/hdb)
yum update kernel
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
yum -y update
18. To select a different device without having to restart parted - use the ____ command . Then - you can view its partition table or configure it.
ServerAdmin
/media/repodata
select (followed by the device name such as /dev/hdb)
resize2fs /dev/myvg/homevol
19. Where is the config dir for vsftpd?
/etc/init.d/httpd restart
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
/etc/vsftpd
rpm -ivh --replacepkgs xxxx*
20. what utility can be used to open port 80?
system-config-firewall
telnetd : ALL EXCEPT 192.168.1.10
rpm -ivh --replacepkgs xxxx*
/etc/lvmtab
21. I ran 'e2label /dev/sda' and got 'bad magic number' Why?
ssh
system-config-firewall
filesystem type is not ext2 or ext3
iptables -F
22. You can use the ____ tool after installation to add any package groups that you missed.
pirut
yum clean all
resize2fs /dev/myvg/homevol
fdisk
23. rpm ____ [name of package] to verify the package - once you have manually imported the key
-K
CustomLog
yum -y update
system-config-firewall
24. Are SELinux and iptables-based firewalls are enabled by default?
mke2fs
chmod 705
Yes
setsebool -P squid_connect_any 1
25. httpd ___ to update the httpd package - automatically answering yes to all the questions
CustomLog
yum -y update
dumpe2fs
iptables -F
26. 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
yum install httpd
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
showmount -e
(rpm -q)p file (for rpmfile name)
27. To list under which run levels the web service will start
system-config-firewall
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
tune2fs
chkconfig --list httpd
28. ____ is used to modify file system parameters
tune2fs
/etc/init.d/vsftpd start
fdisk
resize2fs /dev/myvg/homevol
29. After you edit /etc/exports - run service ___ stop...
chmod 701
--import file
nfs
NameVirtualHost
30. Run the ____ command to find the device associated with the USB key.
rpm -Va
tune2fs
fdisk -l
/etc/squid/
31. How to install vsftpd?
chmod 705
fdisk -l
rpm -qc
yum install vsftpd
32. what port needs to be open to access ftp?
yum install httpd
/etc/init.d/httpd restart
AllowOverride
port 21
33. rpm ____ to import the rpm key for integrity checking
iptables
select (followed by the device name such as /dev/hdb)
yum install mod_ssl squid
--import file
34. _____ will change the size of /dev/rootvg/tmplv to 4 gig
lvextend -L4G /dev/rootvg/tmplv
rpm -V zip
LVM
/etc/squid/
35. 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:
wget (http://devmon.dev.schwab.com/index.html)
fdisk
chcon -R -t httpd_sys_content_t /home/michael/public_html
htpasswd -c /etc/httpd/webpass e
36. To check status of ftp daemon
e2fsadm
fdisk -l
First boot process
service vsftpd status
37. Create a disk label for the partition table called k
var/ftp/pub
parted; mklabel k
/etc/httpd/conf/
/etc/init.d/vsftpd start
38. For http - if you implement 'UserDir public_html' - you need to also ____ /home/michael if you want /home/michael/public_html accessible
telnetd : ALL EXCEPT 192.168.1.10
rpm -e zip
/media/repodata
chmod 701
39. Virtual Host Configuration: Assigns an e-mail address for the specified virtual host.
ServerAdmin
NameVirtualHost
lvdisplay -D /dev/rootvg/tmplv
fdisk
40. 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
-i
showmount -e
/boot
/var/ftp/pub
41. rpm ____ verifies the installed zip rpm against the rpm database
rpm -V zip
nfs
pirut
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
42. How to make sure apache starts automatically on next reboot?
mke2fs
rpm -e zip
chkconfig httpd on
resize2fs /dev/myvg/homevol
43. The simplest way to install Apache
tune2fs
5
yum install httpd
setsebool -P squid_connect_any 1
44. What parts of rhel6 should be installed to separate volumes?
dumpe2fs
/ (root) - /boot and linux swap
chkconfig --list httpd
htpasswd -c /etc/httpd/webpass e
45. rpm ____ verifies all installed rpms against the rpm database
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
ssh
rpm -Va
/var/ftp/pub
46. 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
ServerName
/etc/vsftpd
iptables
tune2fs
47. ____ can expand and shrink ext2 and ext3 file systems
ServerName
Yes
grep '[.*]' server1.repo
resize2fs
48. The rpm ____ option installs the package - if it isn't already installed.
chmod 701
-i
iptables
rpm -V zip
49. Virtual Host Configuration: Sets a root directory for the virtual host.
rpm -V
DocumentRoot
First boot process
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
50. 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
ls -Z
telnetd : ALL EXCEPT 192.168.1.10
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
/etc/init.d/vsftpd start