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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. Perform a simple check of the file system. minor-num is x.
parted; check x
dumpe2fs
rpm -qc
showmount -e
2. rpm ____ to import the rpm key for integrity checking
--import file
iptables -F
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
NameVirtualHost
3. 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)
rpm -V zip
service vsftpd status
e2fsadm
CustomLog
4. Are SELinux and iptables-based firewalls are enabled by default?
Yes
setup
/var/ftp/pub
telnetd : ALL EXCEPT 192.168.1.10
5. Virtual Host Configuration: Assigns an e-mail address for the specified virtual host.
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
ServerAdmin
NameVirtualHost
elinks
6. Run the ____ command to find the device associated with the USB key.
AllowOverride
fdisk -l
ServerAdmin
/media/repodata
7. I ran 'e2label /dev/sda' and got 'bad magic number' Why?
rpm -V zip
/var/ftp/pub
iptables
filesystem type is not ext2 or ext3
8. You can use the ____ tool after installation to add any package groups that you missed.
/boot
pirut
-l
chkconfig vsftpd on
9. What is the standard directory for file sharing with vsFTP?
yum clean all
var/ftp/pub
rpm -V
/etc/httpd/conf/
10. 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
/boot
fdisk
lvdisplay -D /dev/rootvg/tmplv
ServerName
11. Create a disk label for the partition table called k
-l
parted; mklabel k
/etc/lvmtab
wget (http://devmon.dev.schwab.com/index.html)
12. 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.
ssh
/boot
rpm -V
iptables -F
13. rpm ____ [name of package] to verify the package - once you have manually imported the key
yum install vsftpd
port 21
-K
showmount -a
14. 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:
parted /dev/hda print
resize2fs /dev/myvg/homevol
showmount -e
yum update kernel
15. _____ will change the size of /dev/rootvg/tmplv to 4 gig
e2fsadm
lvdisplay -D /dev/rootvg/tmplv
lvextend -L4G /dev/rootvg/tmplv
resize2fs /dev/myvg/homevol
16. 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)
chkconfig --list httpd
yum install httpd
CustomLog
LVM
17. rpm ____ verifies all installed rpms against the rpm database
LVM
rpm -Va
fdisk -l
/etc/vsftpd
18. what utility can be used to open port 80?
lvextend -L4G /dev/rootvg/tmplv
resize2fs /dev/myvg/homevol
filesystem type is not ext2 or ext3
system-config-firewall
19. If in doubt about package names - you can find them in the ...
iptables
rpm -e zip
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)
/var/ftp/pub
20. Virtual Host Configuration: Specifies an IP address for multiple virtual hosts.
htpasswd -c /etc/httpd/webpass e
fdisk -l
dd if=./diskboot.img of=/dev/sdc
NameVirtualHost
21. 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
--import file
-K
elinks
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
22. How do you restart the apache web server?
rpm -e zip
iptables -F
/etc/init.d/httpd restart
Yes
23. 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
select (followed by the device name such as /dev/hdb)
var/www/html
telnetd : ALL EXCEPT 192.168.1.10
mke2fs
24. After extending file system 'homevol' - unmount it and then run _____ to make the filesystem size match the new larger volume.
rpm -V
resize2fs /dev/myvg/homevol
ServerAdmin
tune2fs
25. ____ is used for creating ext2 and ext3 file systems
-i
mke2fs
chkconfig vsftpd on
parted; check x
26. ____ is used to modify file system parameters
tune2fs
-i (do not use -U or -F!)
/etc/lvmtab
/etc/vsftpd
27. ____ prints superblock and block group information.
dumpe2fs
chkconfig --list httpd
yum clean all
yum install mod_ssl squid
28. rpm ____ verifies the installed zip rpm against the rpm database
elinks
/etc/httpd/conf/
rpm -V zip
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
29. How to start apache service?
First boot process
iptables -F
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
/etc/init.d/httpd start
30. httpd ___ to update the httpd package - automatically answering yes to all the questions
wget (http://devmon.dev.schwab.com/index.html)
chcon -R -t httpd_sys_content_t /home/michael/public_html
-i
yum -y update
31. To select a different device without having to restart parted - use the ____ command . Then - you can view its partition table or configure it.
chkconfig vsftpd on
setup
select (followed by the device name such as /dev/hdb)
/media/repodata
32. Virtual Host Configuration: Creates an error log; the location is based on the DocumentRoot.
chmod 705
/etc/httpd/conf/
tune2fs
ErrorLog
33. It's much more difficult and much more time-consuming to revise partitions with utilities such as ____ or parted after RHEL is installed.
CustomLog
rpm -V zip
fdisk
NameVirtualHost
34. To list under which run levels the web service will start
chkconfig --list httpd
filesystem type is not ext2 or ext3
port 21
LVM
35. For http - if you implement 'UserDir public_html' - you need to also ____ /home/michael/public_html if you want /home/michael/public_html accessible
setsebool -P htttpd.enable.homedirs 1
htpasswd -c /etc/httpd/webpass e
chmod 705
rpm -e zip
36. The rpm ____ option installs the package - if it isn't already installed.
/etc/vsftpd
/etc/init.d/httpd restart
-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)
37. For http - if you implement 'UserDir public_html' - you need to also ____ /home/michael if you want /home/michael/public_html accessible
system-config-firewall
chmod 701
var/ftp/pub
yum install vsftpd
38. If you want to add an iptables command to forward TCP port 80 traffic to TCP port 3128 - you would use the following:
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
chcon -R -t httpd_sys_content_t /home/michael/public_html
yum install mod_ssl squid
5
39. 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
40. What command starts the same menu as the text-mode First Boot process?
port 21
rpm -qc
filesystem type is not ext2 or ext3
setup
41. To check status of ftp daemon
rpm -qc
filesystem type is not ext2 or ext3
service vsftpd status
-K
42. ____ configuration is not available via text mode RHEL installation.
/etc/init.d/httpd start
LVM
showmount -a
dumpe2fs
43. ____ can expand and shrink ext2 and ext3 file systems
ErrorLog
resize2fs
chkconfig --level 35 httpd on
5
44. rpm options include rpm -q [package name] or rpm -qf [path/file] or rmp -q____
NameVirtualHost
wget (http://devmon.dev.schwab.com/index.html)
(rpm -q)p file (for rpmfile name)
fdisk -l
45. How to make sure apache starts automatically on next reboot?
-l
--import file
ServerTokens
chkconfig httpd on
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
parted /dev/hda print
iptables
chkconfig vsftpd on
/etc/vsftpd
47. How to start the vsftp service automatically on boot?
/boot
var/www/html
chkconfig vsftpd on
parted /dev/hda print
48. Tthe file that might contain: oldvg - rootvg - etc.
NameVirtualHost
/etc/lvmtab
fdisk -l
/etc/httpd/conf/
49. Apache supports security by specifying active ports through the Listen and ____ directives.
setsebool -P squid_connect_any 1
/etc/vsftpd
lvextend -L4G /dev/rootvg/tmplv
NameVirtualHost
50. '____ /var/www' will tell you the ACL settings of /var/www
fdisk -l
ls -Z
rpm -qc
rpm -V