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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. What is the standard directory for file sharing with vsFTP?
/media/repodata
parted; mklabel k
iptables -F
var/ftp/pub
2. 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
rpm -V zip
-K
iptables
/etc/init.d/httpd start
3. ____ is used for creating ext2 and ext3 file systems
mke2fs
NameVirtualHost
--import file
setup
4. httpd ___ shows me what config files were installed when the httpd package was installed
mke2fs
rpm -qc
grep '[.*]' server1.repo
/media/repodata
5. Virtual Host Configuration: Names the URL for the virtual host.
/etc/httpd/conf/
rpm -e zip
ServerName
rpm -V zip
6. httpd ___ to update the httpd package - automatically answering yes to all the questions
wget (http://devmon.dev.schwab.com/index.html)
fdisk -l
yum -y update
fdisk
7. ______ will show me volume info including vg - size - etc of /dev/rootvg/tmplv
CustomLog
yum clean all
/etc/init.d/httpd start
lvdisplay -D /dev/rootvg/tmplv
8. ____ can expand and shrink ext2 and ext3 file systems
First boot process
rpm -ivh --replacepkgs xxxx*
resize2fs
-K
9. 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:
yum install httpd
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
setsebool -P htttpd.enable.homedirs 1
rpm -V
10. List sboth the client hostname or IP address and mounted directory in host:dir format. This info should not be considered reliable.
showmount -a
chkconfig vsftpd on
yum update kernel
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
11. ____ configuration is not available via text mode RHEL installation.
LVM
parted; check x
yum install mod_ssl squid
/etc/squid/
12. How to disable the firewall on the current system?
/etc/httpd/conf/
parted; mklabel k
chmod 705
iptables -F
13. Where is the config dir for vsftpd?
rpm -qc
yum clean all
/etc/vsftpd
chmod 705
14. Tthe file that might contain: oldvg - rootvg - etc.
telnetd : ALL EXCEPT 192.168.1.10
mke2fs
/etc/lvmtab
yum install vsftpd
15. Perform a simple check of the file system. minor-num is x.
parted; check x
chkconfig --list httpd
rpm -ivh --replacepkgs xxxx*
DocumentRoot
16. ____ is used to modify file system parameters
resize2fs /dev/myvg/homevol
showmount -a
rpm -V
tune2fs
17. The main Squid configuration file is ____/squid.conf
fdisk
dumpe2fs
iptables -F
/etc/squid/
18. rpm ____ verifies all installed rpms against the rpm database
chkconfig --list httpd
var/www/html
rpm -Va
/etc/init.d/vsftpd start
19. 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.
chmod 705
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
AllowOverride
rpm -V
20. Where is vsftpd.conf?
/media/repodata
filesystem type is not ext2 or ext3
chmod 701
/etc/vsftpd
21. output from ____ is: Disk /dev/cciss/c0d0: 36.4 GB - 36414750720 bytes... plus listing of partitions - for each physical drive
/etc/vsftpd
yum -y update
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
fdisk -l
22. The rpm ____ option installs the package - if it isn't already installed.
yum install httpd
dumpe2fs
-i
/boot
23. Apache supports security by specifying active ports through the Listen and ____ directives.
Yes
parted; mklabel k
fdisk -l
NameVirtualHost
24. To verify integrity of an rpm package - ____/rpm-gpg/RPM-GPG-KEY-redhat-release
AllowOverride
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
/etc/init.d/vsftpd start
25. rpm ____ verifies the installed zip rpm against the rpm database
rpm -V zip
ErrorLog
chkconfig vsftpd on
rpm -e zip
26. 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
yum update kernel
var/ftp/pub
/ (root) - /boot and linux swap
telnetd : ALL EXCEPT 192.168.1.10
27. 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:
var/ftp/pub
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
showmount -e
fdisk -l
28. You can use the ____ tool after installation to add any package groups that you missed.
pirut
chkconfig --level 35 httpd on
yum install mod_ssl squid
var/ftp/pub
29. ____ prints superblock and block group information.
NameVirtualHost
dumpe2fs
parted; mklabel k
/etc/vsftpd
30. What command starts the same menu as the text-mode First Boot process?
tune2fs
system-config-firewall
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
setup
31. 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)
filesystem type is not ext2 or ext3
/etc/vsftpd
-l
e2fsadm
32. 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
ServerTokens
ServerAdmin
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
/boot
33. '____ /var/www' will tell you the ACL settings of /var/www
yum -y update
/etc/init.d/httpd restart
parted; mklabel k
ls -Z
34. 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 ____
/etc/vsftpd
ServerName
rpm -e zip
/media/repodata
35. SELinux must be configured to Allow HTTPD To Read Home Directories. (Alternatively - activate the httpd_enable_homedirs boolean with the __ command.)
setsebool -P htttpd.enable.homedirs 1
ServerName
rpm -qc
rpm -e zip
36. To list under which run levels the web service will start
First boot process
htpasswd -c /etc/httpd/webpass e
chkconfig --list httpd
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
37. rpm ____ to import the rpm key for integrity checking
AllowOverride
--import file
chmod 701
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)
38. rpm option to show me the package files
fdisk
-l
rpm -Va
showmount -e
39. If you want to add an iptables command to forward TCP port 80 traffic to TCP port 3128 - you would use the following:
setup
chkconfig vsftpd on
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
resize2fs
40. 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
yum -y update
ServerAdmin
chmod 705
41. What is the first post installation step?
5
setsebool -P htttpd.enable.homedirs 1
First boot process
ssh
42. 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
ServerName
iptables -F
43. After extending file system 'homevol' - unmount it and then run _____ to make the filesystem size match the new larger volume.
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
resize2fs /dev/myvg/homevol
/var/ftp/pub
-i
44. Where is the main apache data directory?
tune2fs
var/www/html
chkconfig --level 35 httpd on
yum -y update
45. 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
resize2fs /dev/myvg/homevol
htpasswd -c /etc/httpd/webpass e
rpm -V
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
46. 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
parted; check x
rpm -V
telnetd : ALL EXCEPT 192.168.1.10
setsebool -P squid_connect_any 1
47. How to install vsftpd?
yum install httpd
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
yum install vsftpd
chmod 701
48. Use parted to display disk geometry for /dev/hda and end up in shell
parted /dev/hda print
filesystem type is not ext2 or ext3
Yes
tune2fs
49. How to install apache?
iptables -F
elinks
yum install httpd
nfs
50. 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 -l
wget (http://devmon.dev.schwab.com/index.html)
iptables -F
yum install mod_ssl squid