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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. 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)
lvdisplay -D /dev/rootvg/tmplv
ssh
CustomLog
2. The rpm ____ option installs the package - if it isn't already installed.
-i (do not use -U or -F!)
service vsftpd status
-i
/ (root) - /boot and linux swap
3. What command starts the same menu as the text-mode First Boot process?
rpm -V zip
DocumentRoot
NameVirtualHost
setup
4. 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
port 21
ServerTokens
CustomLog
ssh
5. _____ will change the size of /dev/rootvg/tmplv to 4 gig
NameVirtualHost
(rpm -q)p file (for rpmfile name)
lvextend -L4G /dev/rootvg/tmplv
grep '[.*]' server1.repo
6. How to start the vsftp service?
fdisk -l
mke2fs
system-config-firewall
/etc/init.d/vsftpd start
7. rpm options include rpm -q [package name] or rpm -qf [path/file] or rmp -q____
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 -q)p file (for rpmfile name)
/etc/httpd/conf/
resize2fs /dev/myvg/homevol
8. '____ /var/www' will tell you the ACL settings of /var/www
/media/repodata
/etc/init.d/httpd restart
ls -Z
chkconfig --list httpd
9. 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.
fdisk -l
Yes
elinks
rpm -V
10. Virtual Host Configuration: Assigns an e-mail address for the specified virtual host.
ls -Z
yum clean all
ServerAdmin
chkconfig vsftpd on
11. How to install apache?
yum install httpd
First boot process
lvextend -L4G /dev/rootvg/tmplv
chkconfig --list httpd
12. Where to find the main apache config file?
resize2fs
/etc/httpd/conf/
var/www/html
rpm -Va
13. The most straightforward way to make sure Apache starts in bootlevels 3 and 5
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
chkconfig --level 35 httpd on
/etc/init.d/vsftpd start
htpasswd -c /etc/httpd/webpass e
14. If rhel6 is in the /media directory - where is the XML file on that DVD with a database of packages and package groups?
var/www/html
/media/repodata
--import file
resize2fs
15. ____ is used to modify file system parameters
/etc/init.d/httpd start
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
5
tune2fs
16. How to start the vsftp service automatically on boot?
/etc/init.d/vsftpd start
chkconfig vsftpd on
port 21
grep '[.*]' server1.repo
17. rpm option to show me the package files
setsebool -P htttpd.enable.homedirs 1
LVM
-l
--import file
18. what utility can be used to open port 80?
htpasswd -c /etc/httpd/webpass e
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
CustomLog
system-config-firewall
19. 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
showmount -a
DocumentRoot
chcon -R -t httpd_sys_content_t /home/michael/public_html
/etc/vsftpd
20. For http - if you implement 'UserDir public_html' - you need to also ____ /home/michael/public_html if you want /home/michael/public_html accessible
filesystem type is not ext2 or ext3
fdisk
chmod 705
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
21. 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
dd if=./diskboot.img of=/dev/sdc
rpm -V
AllowOverride
fdisk
22. To select a different device without having to restart parted - use the ____ command . Then - you can view its partition table or configure it.
nfs
select (followed by the device name such as /dev/hdb)
grep '[.*]' server1.repo
rpm -Va
23. Perform a simple check of the file system. minor-num is x.
rpm -qc
wget (http://devmon.dev.schwab.com/index.html)
/etc/vsftpd
parted; check x
24. ____ is used for creating ext2 and ext3 file systems
rpm -ivh --replacepkgs xxxx*
parted; check x
NameVirtualHost
mke2fs
25. Apache supports security by specifying active ports through the Listen and ____ directives.
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
yum clean all
NameVirtualHost
/boot
26. What is the standard directory for file sharing with vsFTP?
var/ftp/pub
elinks
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
chcon -R -t httpd_sys_content_t /home/michael/public_html
27. 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)
dd if=./diskboot.img of=/dev/sdc
CustomLog
5
nfs
28. When an rpm install fails for xxxx because the same version is already apparently installed - run ____ to just install it all again
pirut
rpm -ivh --replacepkgs xxxx*
iptables -F
e2fsadm
29. Tthe file that might contain: oldvg - rootvg - etc.
chkconfig vsftpd on
/etc/lvmtab
ServerAdmin
fdisk -l
30. 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:
-l
pirut
showmount -e
NameVirtualHost
31. output from ____ is: Disk /dev/cciss/c0d0: 36.4 GB - 36414750720 bytes... plus listing of partitions - for each physical drive
fdisk -l
/etc/httpd/conf/
parted; mklabel k
CustomLog
32. Where is the main apache data directory?
service vsftpd status
rpm -e zip
var/www/html
NameVirtualHost
33. I just finished editing my /etc/yum.repos.d/*repo file and want yum to use the new info - so I run ____
grep '[.*]' server1.repo
5
yum clean all
/etc/init.d/vsftpd start
34. ___ http://devmon.dev.schwab.com/index.html will make a local copy of the index.html file from devmon
parted; check x
setsebool -P squid_connect_any 1
wget (http://devmon.dev.schwab.com/index.html)
(rpm -q)p file (for rpmfile name)
35. How to start apache service?
/ (root) - /boot and linux swap
/etc/init.d/httpd start
var/www/html
--import file
36. To list under which run levels the web service will start
chkconfig --list httpd
/etc/httpd/conf/
--import file
/etc/init.d/vsftpd start
37. After extending file system 'homevol' - unmount it and then run _____ to make the filesystem size match the new larger volume.
resize2fs /dev/myvg/homevol
setup
showmount -a
var/www/html
38. 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
select (followed by the device name such as /dev/hdb)
iptables
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
39. ____ prints superblock and block group information.
ssh
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
system-config-firewall
dumpe2fs
40. If you want to add an iptables command to forward TCP port 80 traffic to TCP port 3128 - you would use the following:
ls -Z
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
filesystem type is not ext2 or ext3
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
41. 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 ____
rpm -e zip
AllowOverride
/etc/init.d/httpd restart
port 21
42. How to disable the firewall on the current system?
tune2fs
chmod 705
iptables -F
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
43. If in doubt about package names - you can find them in the ...
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/httpd/conf/
var/www/html
yum install vsftpd
44. SELinux must be configured to Allow HTTPD To Read Home Directories. (Alternatively - activate the httpd_enable_homedirs boolean with the __ command.)
e2fsadm
setsebool -P htttpd.enable.homedirs 1
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
chkconfig --level 35 httpd on
45. After you edit /etc/exports - run service ___ stop...
elinks
setsebool -P htttpd.enable.homedirs 1
resize2fs /dev/myvg/homevol
nfs
46. Where is the config dir for vsftpd?
yum -y update
/etc/vsftpd
/etc/httpd/conf/
pirut
47. Where is vsftpd.conf?
(rpm -q)p file (for rpmfile name)
yum update kernel
-i
/etc/vsftpd
48. Create a usb boot disk if the usb stick is /dev/sdc and the file you need is in your present directory
lvextend -L4G /dev/rootvg/tmplv
-i
dd if=./diskboot.img of=/dev/sdc
chcon -R -t httpd_sys_content_t /home/michael/public_html
49. You can use the ____ tool after installation to add any package groups that you missed.
showmount -a
pirut
rpm -Va
/etc/init.d/httpd restart
50. rpm ____ [name of package] to verify the package - once you have manually imported the key
/etc/lvmtab
fdisk
yum install vsftpd
-K