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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. ____ prints superblock and block group information.
filesystem type is not ext2 or ext3
nfs
dumpe2fs
yum update kernel
2. How to install vsftpd?
e2fsadm
(rpm -q)p file (for rpmfile name)
yum install vsftpd
/etc/init.d/httpd restart
3. 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
LVM
chkconfig --list httpd
rpm -V
yum update kernel
4. Create a usb boot disk if the usb stick is /dev/sdc and the file you need is in your present directory
/etc/init.d/vsftpd start
setsebool -P squid_connect_any 1
rpm -V
dd if=./diskboot.img of=/dev/sdc
5. ____ can expand and shrink ext2 and ext3 file systems
resize2fs
ls -Z
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
yum clean all
6. The main Squid configuration file is ____/squid.conf
/etc/squid/
parted; check x
rpm -qc
lvextend -L4G /dev/rootvg/tmplv
7. The simplest way to install Apache
ssh
yum install httpd
system-config-firewall
parted; mklabel k
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.
iptables -F
ls -Z
chkconfig --list httpd
/boot
9. To check status of ftp daemon
mke2fs
var/www/html
dd if=./diskboot.img of=/dev/sdc
service vsftpd status
10. Where is vsftpd.conf?
setsebool -P squid_connect_any 1
/etc/vsftpd
showmount -a
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
11. Virtual Host Configuration: Creates an error log; the location is based on the DocumentRoot.
setsebool -P squid_connect_any 1
elinks
ErrorLog
chkconfig --level 35 httpd on
12. To list under which run levels the web service will start
nfs
-l
chkconfig --list httpd
NameVirtualHost
13. How to start apache service?
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
/etc/init.d/httpd start
--import file
var/ftp/pub
14. 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)
system-config-firewall
rpm -Va
AllowOverride
15. To install both mod_ssl and squid packages
chmod 705
yum install mod_ssl squid
/etc/init.d/httpd start
CustomLog
16. The rpm ____ option installs the package - if it isn't already installed.
-i
LVM
iptables
ServerAdmin
17. I just finished editing my /etc/yum.repos.d/*repo file and want yum to use the new info - so I run ____
-K
yum clean all
setsebool -P htttpd.enable.homedirs 1
chmod 701
18. what port needs to be open to access ftp?
/ (root) - /boot and linux swap
lvextend -L4G /dev/rootvg/tmplv
/boot
port 21
19. rpm ____ verifies the installed zip rpm against the rpm database
fdisk
rpm -V zip
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
rpm -e zip
20. rpm option to show me the package files
/ (root) - /boot and linux swap
-l
--import file
First boot process
21. Run the ____ command to find the device associated with the USB key.
/etc/squid/
select (followed by the device name such as /dev/hdb)
iptables
fdisk -l
22. Logical partitions on a hard drive always start with number ____; on the first PATA/IDE hard drive on a PC - that is hda____.
yum -y update
5
var/ftp/pub
(rpm -q)p file (for rpmfile name)
23. 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
ServerAdmin
ssh
setsebool -P squid_connect_any 1
chkconfig --list httpd
24. SELinux must be configured to Allow HTTPD To Read Home Directories. (Alternatively - activate the httpd_enable_homedirs boolean with the __ command.)
htpasswd -c /etc/httpd/webpass e
setsebool -P htttpd.enable.homedirs 1
chkconfig --list httpd
e2fsadm
25. Virtual Host Configuration: Assigns an e-mail address for the specified virtual host.
var/www/html
ServerAdmin
htpasswd -c /etc/httpd/webpass e
parted /dev/hda print
26. 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 ____
grep '[.*]' server1.repo
/etc/vsftpd
rpm -e zip
rpm -Va
27. Where is the config dir for vsftpd?
yum clean all
var/ftp/pub
AllowOverride
/etc/vsftpd
28. Apache supports security by specifying active ports through the Listen and ____ directives.
-i
rpm -V
NameVirtualHost
parted /dev/hda print
29. What service is allowed through the default firewall?
5
ssh
chkconfig --list httpd
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)
30. 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
setsebool -P htttpd.enable.homedirs 1
AllowOverride
rpm -V
NameVirtualHost
31. You can use the ____ tool after installation to add any package groups that you missed.
pirut
grep '[.*]' server1.repo
parted /dev/hda print
e2fsadm
32. To select a different device without having to restart parted - use the ____ command . Then - you can view its partition table or configure it.
fdisk -l
fdisk
/var/ftp/pub
select (followed by the device name such as /dev/hdb)
33. After you edit /etc/exports - run service ___ stop...
nfs
chmod 701
rpm -V
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)
34. '____ /var/www' will tell you the ACL settings of /var/www
ls -Z
dumpe2fs
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
nfs
35. ______ will show me volume info including vg - size - etc of /dev/rootvg/tmplv
lvdisplay -D /dev/rootvg/tmplv
elinks
/etc/init.d/httpd start
/var/ftp/pub
36. For http - if you implement 'UserDir public_html' - you need to also ____ /home/michael if you want /home/michael/public_html accessible
CustomLog
chmod 701
ServerAdmin
mke2fs
37. 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
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
chcon -R -t httpd_sys_content_t /home/michael/public_html
iptables -F
showmount -e
38. What parts of rhel6 should be installed to separate volumes?
/etc/vsftpd
yum install mod_ssl squid
/ (root) - /boot and linux swap
iptables -F
39. Use grep to count how many repositories have been configured in the file server1.repo
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
40. rpm ____ verifies all installed rpms against the rpm database
parted; check x
parted /dev/hda print
chmod 701
rpm -Va
41. Use parted to display disk geometry for /dev/hda and end up in shell
parted /dev/hda print
ls -Z
chmod 701
nfs
42. ____ is used for creating ext2 and ext3 file systems
5
port 21
yum install mod_ssl squid
mke2fs
43. Virtual Host Configuration: Specifies an IP address for multiple virtual hosts.
NameVirtualHost
fdisk
fdisk -l
parted; mklabel k
44. rpm ____ [name of package] to verify the package - once you have manually imported the key
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
-K
/etc/init.d/vsftpd start
yum install vsftpd
45. 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.
/ (root) - /boot and linux swap
rpm -V
-i (do not use -U or -F!)
(rpm -q)p file (for rpmfile name)
46. What command starts the same menu as the text-mode First Boot process?
-K
setup
select (followed by the device name such as /dev/hdb)
parted; mklabel k
47. I ran 'e2label /dev/sda' and got 'bad magic number' Why?
fdisk
filesystem type is not ext2 or ext3
wget (http://devmon.dev.schwab.com/index.html)
ls -Z
48. 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
--import file
fdisk
/etc/init.d/httpd restart
49. output from ____ is: Disk /dev/cciss/c0d0: 36.4 GB - 36414750720 bytes... plus listing of partitions - for each physical drive
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
fdisk -l
yum update kernel
/boot
50. what utility can be used to open port 80?
system-config-firewall
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
showmount -a
lvextend -L4G /dev/rootvg/tmplv