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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. 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:
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
showmount -a
yum update kernel
htpasswd -c /etc/httpd/webpass e
2. To check status of ftp daemon
service vsftpd status
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)
ls -Z
3. For http - if you implement 'UserDir public_html' - you need to also ____ /home/michael/public_html if you want /home/michael/public_html accessible
/etc/init.d/httpd start
lvextend -L4G /dev/rootvg/tmplv
yum install httpd
chmod 705
4. To verify integrity of an rpm package - ____/rpm-gpg/RPM-GPG-KEY-redhat-release
lvextend -L4G /dev/rootvg/tmplv
rpm -V
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
filesystem type is not ext2 or ext3
5. 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
chmod 705
lvdisplay -D /dev/rootvg/tmplv
/etc/vsftpd
6. Where is the config dir for vsftpd?
/etc/vsftpd
pirut
setup
/etc/squid/
7. rpm option to show me the package files
-l
iptables
iptables -F
(rpm -q)p file (for rpmfile name)
8. 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.
fdisk
yum clean all
-i
iptables -F
9. rpm ____ verifies all installed rpms against the rpm database
rpm -Va
yum update kernel
chkconfig --level 35 httpd on
ServerAdmin
10. 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
AllowOverride
yum install httpd
/etc/httpd/conf/
chkconfig --list httpd
11. SELinux must be configured to Allow HTTPD To Read Home Directories. (Alternatively - activate the httpd_enable_homedirs boolean with the __ command.)
yum install httpd
var/www/html
setsebool -P htttpd.enable.homedirs 1
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
12. '____ /var/www' will tell you the ACL settings of /var/www
lvdisplay -D /dev/rootvg/tmplv
ls -Z
elinks
e2fsadm
13. 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
wget (http://devmon.dev.schwab.com/index.html)
/boot
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
ErrorLog
14. ______ will show me volume info including vg - size - etc of /dev/rootvg/tmplv
lvdisplay -D /dev/rootvg/tmplv
port 21
chkconfig --list httpd
parted /dev/hda print
15. 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 -Va
ServerTokens
resize2fs /dev/myvg/homevol
showmount -e
16. 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
/etc/httpd/conf/
yum clean all
ServerTokens
Yes
17. The rpm ____ option installs the package - if it isn't already installed.
-i
lvdisplay -D /dev/rootvg/tmplv
chkconfig httpd on
yum install httpd
18. What service is allowed through the default firewall?
/var/ftp/pub
yum update kernel
ErrorLog
ssh
19. 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 ____
AllowOverride
Yes
ssh
rpm -e zip
20. I just finished editing my /etc/yum.repos.d/*repo file and want yum to use the new info - so I run ____
yum install httpd
First boot process
yum clean all
rpm -qc
21. Use parted to display disk geometry for /dev/hda and end up in shell
parted /dev/hda print
rpm -qc
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
yum install vsftpd
22. 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
chmod 701
setsebool -P htttpd.enable.homedirs 1
showmount -e
23. What parts of rhel6 should be installed to separate volumes?
dumpe2fs
rpm -Va
/ (root) - /boot and linux swap
chmod 705
24. 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
lvextend -L4G /dev/rootvg/tmplv
First boot process
setup
25. ____ is used to modify file system parameters
chmod 705
First boot process
tune2fs
-i
26. For http - if you implement 'UserDir public_html' - you need to also ____ /home/michael if you want /home/michael/public_html accessible
squid -z
chmod 701
-K
/etc/init.d/httpd start
27. The main Squid configuration file is ____/squid.conf
rpm -Va
-l
ssh
/etc/squid/
28. ____ can expand and shrink ext2 and ext3 file systems
yum update kernel
resize2fs
rpm -Va
var/www/html
29. Virtual Host Configuration: Sets a root directory for the virtual host.
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)
yum -y update
rpm -ivh --replacepkgs xxxx*
DocumentRoot
30. what utility can be used to open port 80?
/boot
system-config-firewall
/etc/httpd/conf/
iptables -F
31. How to make sure apache starts automatically on next reboot?
chkconfig httpd on
iptables
e2fsadm
CustomLog
32. Virtual Host Configuration: Names the URL for the virtual host.
AllowOverride
/etc/init.d/httpd restart
rpm -V
ServerName
33. 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:
dd if=./diskboot.img of=/dev/sdc
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
pirut
system-config-firewall
34. After extending file system 'homevol' - unmount it and then run _____ to make the filesystem size match the new larger volume.
resize2fs /dev/myvg/homevol
setsebool -P squid_connect_any 1
ErrorLog
filesystem type is not ext2 or ext3
35. Tthe file that might contain: oldvg - rootvg - etc.
/etc/lvmtab
setup
chmod 705
parted /dev/hda print
36. If in doubt about package names - you can find them in the ...
rpm -V
yum install httpd
CustomLog
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. Logical partitions on a hard drive always start with number ____; on the first PATA/IDE hard drive on a PC - that is hda____.
rpm -qc
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
5
iptables -F
38. rpm options include rpm -q [package name] or rpm -qf [path/file] or rmp -q____
yum install httpd
/var/ftp/pub
(rpm -q)p file (for rpmfile name)
rpm -Va
39. ___ http://devmon.dev.schwab.com/index.html will make a local copy of the index.html file from devmon
-K
iptables -F
wget (http://devmon.dev.schwab.com/index.html)
e2fsadm
40. Virtual Host Configuration: Assigns an e-mail address for the specified virtual host.
ServerAdmin
yum clean all
dd if=./diskboot.img of=/dev/sdc
/etc/init.d/httpd restart
41. ____ configuration is not available via text mode RHEL installation.
iptables
rpm -V zip
LVM
service vsftpd status
42. To install both mod_ssl and squid packages
rpm -e zip
yum install mod_ssl squid
showmount -a
setsebool -P squid_connect_any 1
43. The most straightforward way to make sure Apache starts in bootlevels 3 and 5
(rpm -q)p file (for rpmfile name)
rpm -V
chkconfig --level 35 httpd on
rpm -ivh --replacepkgs xxxx*
44. ____ prints superblock and block group information.
dumpe2fs
lvdisplay -D /dev/rootvg/tmplv
rpm -V
LVM
45. How to install apache?
yum install httpd
ServerTokens
filesystem type is not ext2 or ext3
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
46. 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
chcon -R -t httpd_sys_content_t /home/michael/public_html
var/ftp/pub
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
e2fsadm
47. How to disable the firewall on the current system?
nfs
iptables -F
dumpe2fs
/etc/httpd/conf/
48. How do you restart the apache web server?
parted; check x
ServerTokens
/etc/init.d/httpd restart
5
49. output from ____ is: Disk /dev/cciss/c0d0: 36.4 GB - 36414750720 bytes... plus listing of partitions - for each physical drive
fdisk -l
/var/ftp/pub
--import file
filesystem type is not ext2 or ext3
50. Virtual Host Configuration: Specifies an IP address for multiple virtual hosts.
rpm -V
First boot process
nfs
NameVirtualHost