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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 all installed rpms against the rpm database
ServerTokens
rpm -Va
fdisk -l
squid -z
2. rpm ____ to import the rpm key for integrity checking
-K
--import file
resize2fs
tune2fs
3. What command starts the same menu as the text-mode First Boot process?
First boot process
setup
e2fsadm
/var/ftp/pub
4. How do you restart the apache web server?
resize2fs /dev/myvg/homevol
/etc/httpd/conf/
htpasswd -c /etc/httpd/webpass e
/etc/init.d/httpd restart
5. To list under which run levels the web service will start
chkconfig --list httpd
--import file
chkconfig vsftpd on
fdisk -l
6. 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
resize2fs /dev/myvg/homevol
NameVirtualHost
chcon -R -t httpd_sys_content_t /home/michael/public_html
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
7. Where is vsftpd.conf?
yum install mod_ssl squid
elinks
/etc/vsftpd
LVM
8. The rpm ____ option installs the package - if it isn't already installed.
elinks
-i
ls -Z
/ (root) - /boot and linux swap
9. How to make sure apache starts automatically on next reboot?
DocumentRoot
chkconfig httpd on
setup
lvdisplay -D /dev/rootvg/tmplv
10. 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)
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
iptables -F
e2fsadm
ssh
11. ____ configuration is not available via text mode RHEL installation.
yum update kernel
LVM
/etc/init.d/vsftpd start
telnetd : ALL EXCEPT 192.168.1.10
12. Virtual Host Configuration: Names the URL for the virtual host.
ServerName
service vsftpd status
NameVirtualHost
wget (http://devmon.dev.schwab.com/index.html)
13. httpd ___ to update the httpd package - automatically answering yes to all the questions
/var/ftp/pub
yum -y update
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)
iptables
14. For http - if you implement 'UserDir public_html' - you need to also ____ /home/michael/public_html if you want /home/michael/public_html accessible
ssh
/var/ftp/pub
filesystem type is not ext2 or ext3
chmod 705
15. output from ____ is: Disk /dev/cciss/c0d0: 36.4 GB - 36414750720 bytes... plus listing of partitions - for each physical drive
dd if=./diskboot.img of=/dev/sdc
rpm -V
fdisk -l
showmount -a
16. What is the first post installation step?
First boot process
yum install httpd
parted; mklabel k
system-config-firewall
17. Are SELinux and iptables-based firewalls are enabled by default?
/var/ftp/pub
Yes
chkconfig --level 35 httpd on
dumpe2fs
18. What is the standard directory for file sharing with vsFTP?
var/ftp/pub
/var/ftp/pub
AllowOverride
DocumentRoot
19. 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:
NameVirtualHost
pirut
showmount -e
/media/repodata
20. 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 ____
elinks
var/www/html
rpm -Va
/etc/squid/
21. Perform a simple check of the file system. minor-num is x.
yum install vsftpd
rpm -Va
select (followed by the device name such as /dev/hdb)
parted; check x
22. ___ http://devmon.dev.schwab.com/index.html will make a local copy of the index.html file from devmon
dd if=./diskboot.img of=/dev/sdc
setsebool -P htttpd.enable.homedirs 1
ErrorLog
wget (http://devmon.dev.schwab.com/index.html)
23. ____ is used to modify file system parameters
tune2fs
elinks
/etc/squid/
rpm -ivh --replacepkgs xxxx*
24. 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/init.d/vsftpd start
NameVirtualHost
chkconfig --level 35 httpd on
ServerTokens
25. I just finished editing my /etc/yum.repos.d/*repo file and want yum to use the new info - so I run ____
rpm -qc
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
-K
yum clean all
26. what port needs to be open to access ftp?
resize2fs /dev/myvg/homevol
resize2fs
parted; check x
port 21
27. What service is allowed through the default firewall?
showmount -e
ServerAdmin
LVM
ssh
28. Create the basic cache directories in /var/spool/squid with the following command:
squid -z
-i
ServerName
rpm -Va
29. 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
chcon -R -t httpd_sys_content_t /home/michael/public_html
ServerName
setsebool -P squid_connect_any 1
30. If rhel6 is in the /media directory - where is the XML file on that DVD with a database of packages and package groups?
rpm -V
showmount -a
/etc/init.d/vsftpd start
/media/repodata
31. I ran 'e2label /dev/sda' and got 'bad magic number' Why?
htpasswd -c /etc/httpd/webpass e
filesystem type is not ext2 or ext3
/etc/vsftpd
iptables -F
32. 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
resize2fs
yum update kernel
setsebool -P squid_connect_any 1
33. ____ is used for creating ext2 and ext3 file systems
mke2fs
yum -y update
CustomLog
-i (do not use -U or -F!)
34. rpm option to show me the package files
rpm -V
-l
AllowOverride
wget (http://devmon.dev.schwab.com/index.html)
35. Create a usb boot disk if the usb stick is /dev/sdc and the file you need is in your present directory
dumpe2fs
squid -z
dd if=./diskboot.img of=/dev/sdc
ServerAdmin
36. The simplest way to install Apache
First boot process
rpm -e zip
LVM
yum install httpd
37. ____ prints superblock and block group information.
dumpe2fs
NameVirtualHost
chcon -R -t httpd_sys_content_t /home/michael/public_html
chkconfig httpd on
38. This line placed in /etc/hosts.deny denies all services except TFTP to computers in the example.org domain
/ (root) - /boot and linux swap
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
lvextend -L4G /dev/rootvg/tmplv
/etc/init.d/httpd start
39. 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.
yum -y update
telnetd : ALL EXCEPT 192.168.1.10
rpm -qc
rpm -V
40. 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:
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
htpasswd -c /etc/httpd/webpass e
var/ftp/pub
rpm -V
41. How to install apache?
yum install httpd
service vsftpd status
yum install vsftpd
5
42. 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
parted /dev/hda print
rpm -Va
/etc/httpd/conf/
yum update kernel
43. 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
elinks
-i
iptables
fdisk -l
44. Use parted to display disk geometry for /dev/hda and end up in shell
/var/ftp/pub
-K
/etc/init.d/httpd start
parted /dev/hda print
45. rpm ____ [name of package] to verify the package - once you have manually imported the key
-K
-i (do not use -U or -F!)
rpm -Va
chkconfig --level 35 httpd on
46. Where is the vsftp pub dir?
ServerAdmin
ErrorLog
/var/ftp/pub
First boot process
47. To check status of ftp daemon
e2fsadm
/etc/squid/
service vsftpd status
iptables -F
48. 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
fdisk
setsebool -P squid_connect_any 1
ServerName
chmod 705
49. httpd ___ shows me what config files were installed when the httpd package was installed
resize2fs
First boot process
-l
rpm -qc
50. How to install vsftpd?
/etc/vsftpd
-l
yum install vsftpd
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128