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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. For http - if you implement 'UserDir public_html' - you need to also ____ /home/michael/public_html if you want /home/michael/public_html accessible
chmod 705
grep '[.*]' server1.repo
chkconfig --list httpd
AllowOverride
2. Create a disk label for the partition table called k
/media/repodata
rpm -V
parted; mklabel k
select (followed by the device name such as /dev/hdb)
3. ____ configuration is not available via text mode RHEL installation.
system-config-firewall
chkconfig --level 35 httpd on
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
LVM
4. what port needs to be open to access ftp?
port 21
chkconfig vsftpd on
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
Yes
5. Virtual Host Configuration: Specifies an IP address for multiple virtual hosts.
NameVirtualHost
showmount -a
mke2fs
(rpm -q)p file (for rpmfile name)
6. ____ can expand and shrink ext2 and ext3 file systems
parted /dev/hda print
dd if=./diskboot.img of=/dev/sdc
ls -Z
resize2fs
7. If you want to add an iptables command to forward TCP port 80 traffic to TCP port 3128 - you would use the following:
iptables -F
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
ServerTokens
grep '[.*]' server1.repo
8. Virtual Host Configuration: Assigns an e-mail address for the specified virtual host.
/etc/init.d/httpd restart
LVM
ServerAdmin
rpm -V
9. Where is the main apache data directory?
(rpm -q)p file (for rpmfile name)
nfs
setsebool -P squid_connect_any 1
var/www/html
10. This line placed in /etc/hosts.deny denies all services except TFTP to computers in the example.org domain
setup
service vsftpd status
/etc/init.d/vsftpd start
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
11. _____ will change the size of /dev/rootvg/tmplv to 4 gig
parted; check x
rpm -qc
lvextend -L4G /dev/rootvg/tmplv
/etc/init.d/vsftpd start
12. '____ /var/www' will tell you the ACL settings of /var/www
ls -Z
iptables -F
nfs
ServerAdmin
13. Use parted to display disk geometry for /dev/hda and end up in shell
/media/repodata
DocumentRoot
parted /dev/hda print
filesystem type is not ext2 or ext3
14. ____ is used to modify file system parameters
/etc/init.d/httpd restart
tune2fs
filesystem type is not ext2 or ext3
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
15. The rpm ____ option installs the package - if it isn't already installed.
-i
mke2fs
ssh
-i (do not use -U or -F!)
16. To install both mod_ssl and squid packages
yum install mod_ssl squid
chkconfig vsftpd on
--import file
chkconfig --level 35 httpd on
17. How do you restart the apache web server?
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
/etc/init.d/httpd restart
fdisk -l
yum -y update
18. Where to find the main apache config file?
e2fsadm
/etc/httpd/conf/
wget (http://devmon.dev.schwab.com/index.html)
ErrorLog
19. After you edit /etc/exports - run service ___ stop...
ErrorLog
showmount -a
nfs
rpm -e zip
20. what utility can be used to open port 80?
parted; mklabel k
wget (http://devmon.dev.schwab.com/index.html)
system-config-firewall
squid -z
21. 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/vsftpd
yum install httpd
ServerTokens
grep '[.*]' server1.repo
22. What is the standard directory for file sharing with vsFTP?
setsebool -P squid_connect_any 1
var/ftp/pub
/etc/lvmtab
yum install vsftpd
23. When an rpm install fails for xxxx because the same version is already apparently installed - run ____ to just install it all again
NameVirtualHost
rpm -V
yum -y update
rpm -ivh --replacepkgs xxxx*
24. Apache supports security by specifying active ports through the Listen and ____ directives.
system-config-firewall
First boot process
ServerName
NameVirtualHost
25. SELinux must be configured to Allow HTTPD To Read Home Directories. (Alternatively - activate the httpd_enable_homedirs boolean with the __ command.)
ssh
chmod 701
ServerName
setsebool -P htttpd.enable.homedirs 1
26. Tthe file that might contain: oldvg - rootvg - etc.
-i
/etc/lvmtab
ServerTokens
squid -z
27. The most straightforward way to make sure Apache starts in bootlevels 3 and 5
/etc/init.d/httpd start
chkconfig --level 35 httpd on
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
fdisk
28. Logical partitions on a hard drive always start with number ____; on the first PATA/IDE hard drive on a PC - that is hda____.
5
system-config-firewall
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
/etc/httpd/conf/
29. 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
/etc/vsftpd
grep '[.*]' server1.repo
resize2fs
setsebool -P squid_connect_any 1
30. 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
setsebool -P htttpd.enable.homedirs 1
/etc/init.d/httpd start
e2fsadm
/boot
31. Virtual Host Configuration: Sets a root directory for the virtual host.
ServerTokens
DocumentRoot
var/ftp/pub
tune2fs
32. 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
iptables -F
iptables
resize2fs
Yes
33. 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
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
NameVirtualHost
ssh
yum install vsftpd
34. What command starts the same menu as the text-mode First Boot process?
ssh
var/ftp/pub
setup
chkconfig --list httpd
35. 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
telnetd : ALL EXCEPT 192.168.1.10
CustomLog
resize2fs /dev/myvg/homevol
lvextend -L4G /dev/rootvg/tmplv
36. Virtual Host Configuration: Creates an error log; the location is based on the DocumentRoot.
dumpe2fs
-l
tune2fs
ErrorLog
37. How to make sure apache starts automatically on next reboot?
chkconfig httpd on
resize2fs /dev/myvg/homevol
yum install mod_ssl squid
parted; mklabel k
38. How to start the vsftp service automatically on boot?
/etc/vsftpd
rpm -V zip
chkconfig vsftpd on
setsebool -P htttpd.enable.homedirs 1
39. output from ____ is: Disk /dev/cciss/c0d0: 36.4 GB - 36414750720 bytes... plus listing of partitions - for each physical drive
ls -Z
5
fdisk -l
setsebool -P htttpd.enable.homedirs 1
40. ___ http://devmon.dev.schwab.com/index.html will make a local copy of the index.html file from devmon
-l
wget (http://devmon.dev.schwab.com/index.html)
e2fsadm
ServerTokens
41. 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)
ServerTokens
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
CustomLog
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
42. rpm ____ verifies all installed rpms against the rpm database
AllowOverride
htpasswd -c /etc/httpd/webpass e
rpm -Va
grep '[.*]' server1.repo
43. Virtual Host Configuration: Names the URL for the virtual host.
rpm -Va
ServerName
yum install vsftpd
parted; check x
44. Where is the config dir for vsftpd?
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
chkconfig vsftpd on
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
/etc/vsftpd
45. httpd ___ shows me what config files were installed when the httpd package was installed
chcon -R -t httpd_sys_content_t /home/michael/public_html
iptables -F
rpm -qc
lvextend -L4G /dev/rootvg/tmplv
46. httpd ___ to update the httpd package - automatically answering yes to all the questions
resize2fs
/ (root) - /boot and linux swap
var/www/html
yum -y update
47. 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:
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
htpasswd -c /etc/httpd/webpass e
squid -z
48. 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.
DocumentRoot
5
iptables -F
dd if=./diskboot.img of=/dev/sdc
49. 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
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
filesystem type is not ext2 or ext3
AllowOverride
5
50. I just finished editing my /etc/yum.repos.d/*repo file and want yum to use the new info - so I run ____
squid -z
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
wget (http://devmon.dev.schwab.com/index.html)
yum clean all