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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. 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 ____
/media/repodata
rpm -V
rpm -e zip
showmount -a
2. I just finished editing my /etc/yum.repos.d/*repo file and want yum to use the new info - so I run ____
setup
service vsftpd status
yum clean all
/boot
3. 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
ServerName
chmod 705
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
grep '[.*]' server1.repo
4. Tthe file that might contain: oldvg - rootvg - etc.
resize2fs /dev/myvg/homevol
chkconfig vsftpd on
squid -z
/etc/lvmtab
5. ____ can expand and shrink ext2 and ext3 file systems
chcon -R -t httpd_sys_content_t /home/michael/public_html
ServerName
resize2fs
rpm -ivh --replacepkgs xxxx*
6. For http - if you implement 'UserDir public_html' - you need to also ____ /home/michael/public_html if you want /home/michael/public_html accessible
/ (root) - /boot and linux swap
yum update kernel
/etc/init.d/vsftpd start
chmod 705
7. Create a usb boot disk if the usb stick is /dev/sdc and the file you need is in your present directory
chkconfig --level 35 httpd on
nfs
CustomLog
dd if=./diskboot.img of=/dev/sdc
8. Where is the main apache data directory?
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
service vsftpd status
LVM
var/www/html
9. 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:
showmount -e
yum install httpd
rpm -ivh --replacepkgs xxxx*
parted; mklabel k
10. How to start apache service?
rpm -V zip
/etc/init.d/httpd start
select (followed by the device name such as /dev/hdb)
/etc/vsftpd
11. 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
-i (do not use -U or -F!)
mke2fs
rpm -e zip
telnetd : ALL EXCEPT 192.168.1.10
12. Where to find the main apache config file?
/etc/httpd/conf/
port 21
LVM
5
13. The rpm ____ option installs the package - if it isn't already installed.
yum clean all
-i
setsebool -P htttpd.enable.homedirs 1
CustomLog
14. 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
ssh
yum update kernel
setsebool -P squid_connect_any 1
parted; check x
15. Create a disk label for the partition table called k
ServerAdmin
var/www/html
parted; mklabel k
/media/repodata
16. How to start the vsftp service?
-i (do not use -U or -F!)
rpm -V zip
/etc/init.d/vsftpd start
chkconfig httpd on
17. httpd ___ to update the httpd package - automatically answering yes to all the questions
NameVirtualHost
yum -y update
mke2fs
/boot
18. How to install apache?
lvextend -L4G /dev/rootvg/tmplv
yum install httpd
ErrorLog
NameVirtualHost
19. Virtual Host Configuration: Sets a root directory for the virtual host.
fdisk -l
ServerName
DocumentRoot
/etc/squid/
20. Virtual Host Configuration: Assigns an e-mail address for the specified virtual host.
ServerAdmin
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
lvdisplay -D /dev/rootvg/tmplv
First boot process
21. Logical partitions on a hard drive always start with number ____; on the first PATA/IDE hard drive on a PC - that is hda____.
5
chmod 705
resize2fs
yum install mod_ssl squid
22. How to make sure apache starts automatically on next reboot?
dd if=./diskboot.img of=/dev/sdc
/ (root) - /boot and linux swap
chkconfig httpd on
-l
23. Where is the config dir for vsftpd?
Yes
elinks
/etc/vsftpd
port 21
24. Virtual Host Configuration: Creates an error log; the location is based on the DocumentRoot.
nfs
chmod 701
-K
ErrorLog
25. What command starts the same menu as the text-mode First Boot process?
/ (root) - /boot and linux swap
setup
chmod 701
elinks
26. What is the first post installation step?
5
system-config-firewall
setsebool -P squid_connect_any 1
First boot process
27. 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
parted; mklabel k
chmod 701
setsebool -P squid_connect_any 1
28. Apache supports security by specifying active ports through the Listen and ____ directives.
rpm -e zip
ServerTokens
NameVirtualHost
showmount -e
29. Are SELinux and iptables-based firewalls are enabled by default?
Yes
yum install mod_ssl squid
ssh
var/www/html
30. 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)
yum install httpd
chkconfig --list httpd
yum clean all
CustomLog
31. rpm ____ to install kernel updates
/etc/init.d/httpd start
ServerName
-i (do not use -U or -F!)
-K
32. After extending file system 'homevol' - unmount it and then run _____ to make the filesystem size match the new larger volume.
resize2fs /dev/myvg/homevol
rpm -qc
system-config-firewall
/var/ftp/pub
33. what port needs to be open to access ftp?
tune2fs
rpm -V zip
/etc/lvmtab
port 21
34. _____ will change the size of /dev/rootvg/tmplv to 4 gig
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
lvextend -L4G /dev/rootvg/tmplv
rpm -ivh --replacepkgs xxxx*
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
35. Virtual Host Configuration: Names the URL for the virtual host.
parted /dev/hda print
rpm -V
/etc/lvmtab
ServerName
36. The main Squid configuration file is ____/squid.conf
ServerTokens
rpm -V zip
setup
/etc/squid/
37. 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)
pirut
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
Yes
38. 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
iptables
DocumentRoot
chkconfig vsftpd on
39. What parts of rhel6 should be installed to separate volumes?
/ (root) - /boot and linux swap
yum install httpd
htpasswd -c /etc/httpd/webpass e
AllowOverride
40. To list under which run levels the web service will start
ServerAdmin
ServerTokens
select (followed by the device name such as /dev/hdb)
chkconfig --list httpd
41. 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.
NameVirtualHost
rpm -V
wget (http://devmon.dev.schwab.com/index.html)
nfs
42. pam ___ will tell me if any files in the pam package have changed since it was first installed
iptables
rpm -V
var/ftp/pub
chcon -R -t httpd_sys_content_t /home/michael/public_html
43. List sboth the client hostname or IP address and mounted directory in host:dir format. This info should not be considered reliable.
showmount -a
lvextend -L4G /dev/rootvg/tmplv
ls -Z
dumpe2fs
44. 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 ____
NameVirtualHost
elinks
ServerTokens
fdisk
45. ______ will show me volume info including vg - size - etc of /dev/rootvg/tmplv
yum clean all
-i
fdisk
lvdisplay -D /dev/rootvg/tmplv
46. 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
iptables -F
First boot process
setsebool -P squid_connect_any 1
yum update kernel
47. rpm ____ to import the rpm key for integrity checking
elinks
dumpe2fs
--import file
ServerAdmin
48. output from ____ is: Disk /dev/cciss/c0d0: 36.4 GB - 36414750720 bytes... plus listing of partitions - for each physical drive
fdisk -l
-K
parted; check x
ServerName
49. rpm ____ [name of package] to verify the package - once you have manually imported the key
-K
/etc/init.d/httpd start
chmod 701
ErrorLog
50. What service is allowed through the default firewall?
ssh
rpm -V
fdisk -l
/etc/init.d/httpd restart