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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. rpm ____ verifies the installed zip rpm against the rpm database
lvextend -L4G /dev/rootvg/tmplv
rpm -V zip
filesystem type is not ext2 or ext3
chkconfig httpd on
2. Where to find the main apache config file?
/etc/httpd/conf/
tune2fs
chmod 705
/boot
3. Create the basic cache directories in /var/spool/squid with the following command:
CustomLog
/etc/squid/
squid -z
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
4. To select a different device without having to restart parted - use the ____ command . Then - you can view its partition table or configure it.
select (followed by the device name such as /dev/hdb)
mke2fs
dumpe2fs
yum clean all
5. ____ configuration is not available via text mode RHEL installation.
LVM
dumpe2fs
ssh
DocumentRoot
6. 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
iptables -F
iptables -F
service vsftpd status
AllowOverride
7. 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:
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
yum -y update
Yes
fdisk
8. Virtual Host Configuration: Names the URL for the virtual host.
-l
/boot
ServerName
select (followed by the device name such as /dev/hdb)
9. To list under which run levels the web service will start
rpm -e zip
chkconfig --list httpd
/etc/vsftpd
rpm -Va
10. 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
wget (http://devmon.dev.schwab.com/index.html)
rpm -V
11. It's much more difficult and much more time-consuming to revise partitions with utilities such as ____ or parted after RHEL is installed.
yum -y update
fdisk
-i (do not use -U or -F!)
/media/repodata
12. What is the standard directory for file sharing with vsFTP?
var/ftp/pub
AllowOverride
-K
iptables -F
13. ____ prints superblock and block group information.
dumpe2fs
mke2fs
chcon -R -t httpd_sys_content_t /home/michael/public_html
chmod 701
14. ____ can expand and shrink ext2 and ext3 file systems
nfs
/etc/init.d/httpd start
yum install httpd
resize2fs
15. You can use the ____ tool after installation to add any package groups that you missed.
lvdisplay -D /dev/rootvg/tmplv
pirut
rpm -V
/etc/squid/
16. 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)
DocumentRoot
5
wget (http://devmon.dev.schwab.com/index.html)
17. This line placed in /etc/hosts.deny denies all services except TFTP to computers in the example.org domain
-i (do not use -U or -F!)
chkconfig --list httpd
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
resize2fs /dev/myvg/homevol
18. 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.
LVM
/etc/vsftpd
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
rpm -V
19. How to install apache?
rpm -V zip
parted; mklabel k
yum install httpd
setup
20. pam ___ will tell me if any files in the pam package have changed since it was first installed
/etc/init.d/vsftpd start
rpm -V
service vsftpd status
ServerTokens
21. When an rpm install fails for xxxx because the same version is already apparently installed - run ____ to just install it all again
fdisk -l
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
rpm -ivh --replacepkgs xxxx*
mke2fs
22. ____ is used to modify file system parameters
/etc/init.d/httpd restart
system-config-firewall
ServerName
tune2fs
23. Perform a simple check of the file system. minor-num is x.
parted; check x
/etc/httpd/conf/
fdisk -l
chkconfig httpd on
24. Virtual Host Configuration: Sets a root directory for the virtual host.
/etc/vsftpd
chkconfig --list httpd
DocumentRoot
/etc/init.d/httpd start
25. rpm ____ [name of package] to verify the package - once you have manually imported the key
system-config-firewall
filesystem type is not ext2 or ext3
-K
lvdisplay -D /dev/rootvg/tmplv
26. 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 ____
grep '[.*]' server1.repo
rpm -e zip
/etc/init.d/httpd start
rpm -Va
27. ___ http://devmon.dev.schwab.com/index.html will make a local copy of the index.html file from devmon
wget (http://devmon.dev.schwab.com/index.html)
/etc/squid/
rpm -Va
rpm -qc
28. The simplest way to install Apache
yum install httpd
/ (root) - /boot and linux swap
resize2fs
rpm -e zip
29. rpm ____ to install kernel updates
/ (root) - /boot and linux swap
-i (do not use -U or -F!)
setsebool -P htttpd.enable.homedirs 1
rpm -V
30. Apache supports security by specifying active ports through the Listen and ____ directives.
chmod 701
NameVirtualHost
LVM
chkconfig --level 35 httpd on
31. Create a disk label for the partition table called k
/etc/init.d/vsftpd start
--import file
parted; mklabel k
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
32. 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:
(rpm -q)p file (for rpmfile name)
grep '[.*]' server1.repo
showmount -e
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
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
yum clean all
chcon -R -t httpd_sys_content_t /home/michael/public_html
htpasswd -c /etc/httpd/webpass e
/boot
34. If rhel6 is in the /media directory - where is the XML file on that DVD with a database of packages and package groups?
/var/ftp/pub
Yes
parted; check x
/media/repodata
35. After you edit /etc/exports - run service ___ stop...
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
fdisk
nfs
yum clean all
36. How to install vsftpd?
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
ServerName
yum install vsftpd
chmod 705
37. What command starts the same menu as the text-mode First Boot process?
chkconfig --list httpd
setup
iptables -F
yum install vsftpd
38. The default Red Hat Enterprise Linux firewall blocks access to an NFS server. While inelegant - the following command 'flushes -' or turns off - the standard Linux firewall from the local computer.
chkconfig httpd on
/etc/httpd/conf/
iptables -F
fdisk
39. 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
iptables
resize2fs
chkconfig vsftpd on
40. Are SELinux and iptables-based firewalls are enabled by default?
select (followed by the device name such as /dev/hdb)
yum -y update
LVM
Yes
41. what utility can be used to open port 80?
system-config-firewall
fdisk
elinks
ServerTokens
42. output from ____ is: Disk /dev/cciss/c0d0: 36.4 GB - 36414750720 bytes... plus listing of partitions - for each physical drive
fdisk -l
LVM
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
ServerName
43. 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
wget (http://devmon.dev.schwab.com/index.html)
chkconfig httpd on
-i
44. What parts of rhel6 should be installed to separate volumes?
port 21
system-config-firewall
rpm -V
/ (root) - /boot and linux swap
45. 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
chkconfig --list httpd
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
setsebool -P squid_connect_any 1
46. Where is vsftpd.conf?
parted; mklabel k
/etc/init.d/httpd restart
iptables
/etc/vsftpd
47. The rpm ____ option installs the package - if it isn't already installed.
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)
-K
-i
ssh
48. Tthe file that might contain: oldvg - rootvg - etc.
5
Yes
/etc/lvmtab
lvdisplay -D /dev/rootvg/tmplv
49. 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
setsebool -P squid_connect_any 1
chmod 701
-i (do not use -U or -F!)
DocumentRoot
50. How to make sure apache starts automatically on next reboot?
setsebool -P squid_connect_any 1
rpm -V
-l
chkconfig httpd on
Can you answer 50 questions in 15 minutes?
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