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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. After extending file system 'homevol' - unmount it and then run _____ to make the filesystem size match the new larger volume.
LVM
port 21
resize2fs /dev/myvg/homevol
rpm -V zip
2. Virtual Host Configuration: Assigns an e-mail address for the specified virtual host.
parted; check x
ServerAdmin
/etc/init.d/vsftpd start
mke2fs
3. Create a disk label for the partition table called k
yum install httpd
iptables -F
parted; mklabel k
rpm -V zip
4. 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
/boot
wget (http://devmon.dev.schwab.com/index.html)
rpm -e zip
5. rpm ____ verifies the installed zip rpm against the rpm database
e2fsadm
/boot
parted; check x
rpm -V zip
6. To install both mod_ssl and squid packages
/etc/squid/
yum update kernel
elinks
yum install mod_ssl squid
7. ___ http://devmon.dev.schwab.com/index.html will make a local copy of the index.html file from devmon
-i
ssh
port 21
wget (http://devmon.dev.schwab.com/index.html)
8. I just finished editing my /etc/yum.repos.d/*repo file and want yum to use the new info - so I run ____
fdisk -l
yum clean all
/media/repodata
(rpm -q)p file (for rpmfile name)
9. 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 ____
NameVirtualHost
parted /dev/hda print
rpm -e zip
CustomLog
10. What is the first post installation step?
tune2fs
/etc/init.d/httpd restart
First boot process
resize2fs
11. 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
e2fsadm
dd if=./diskboot.img of=/dev/sdc
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)
12. Apache supports security by specifying active ports through the Listen and ____ directives.
iptables
/etc/vsftpd
/etc/lvmtab
NameVirtualHost
13. How to start the vsftp service automatically on boot?
chkconfig vsftpd on
ServerTokens
fdisk -l
/etc/init.d/httpd restart
14. ____ configuration is not available via text mode RHEL installation.
showmount -a
ErrorLog
setsebool -P htttpd.enable.homedirs 1
LVM
15. _____ will change the size of /dev/rootvg/tmplv to 4 gig
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
iptables
lvextend -L4G /dev/rootvg/tmplv
e2fsadm
16. 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
17. Virtual Host Configuration: Names the URL for the virtual host.
ServerName
/etc/httpd/conf/
NameVirtualHost
rpm -Va
18. Where is the main apache data directory?
var/www/html
(rpm -q)p file (for rpmfile name)
rpm -V
fdisk
19. rpm options include rpm -q [package name] or rpm -qf [path/file] or rmp -q____
system-config-firewall
chkconfig --level 35 httpd on
ls -Z
(rpm -q)p file (for rpmfile name)
20. If in doubt about package names - you can find them in the ...
ErrorLog
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)
/etc/init.d/httpd restart
dumpe2fs
21. Virtual Host Configuration: Creates an error log; the location is based on the DocumentRoot.
yum install vsftpd
yum install httpd
ErrorLog
rpm -Va
22. rpm ____ to import the rpm key for integrity checking
wget (http://devmon.dev.schwab.com/index.html)
/var/ftp/pub
--import file
yum clean all
23. How to disable the firewall on the current system?
yum install vsftpd
/etc/vsftpd
iptables -F
chmod 701
24. To list under which run levels the web service will start
filesystem type is not ext2 or ext3
chmod 705
chkconfig --list httpd
wget (http://devmon.dev.schwab.com/index.html)
25. 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
e2fsadm
AllowOverride
filesystem type is not ext2 or ext3
showmount -e
26. The main Squid configuration file is ____/squid.conf
/etc/squid/
tune2fs
chkconfig httpd on
yum install httpd
27. pam ___ will tell me if any files in the pam package have changed since it was first installed
rpm -V
ErrorLog
rpm -V zip
5
28. How to install apache?
yum install httpd
(rpm -q)p file (for rpmfile name)
yum install httpd
/etc/httpd/conf/
29. Run the ____ command to find the device associated with the USB key.
-i
var/www/html
mke2fs
fdisk -l
30. After you edit /etc/exports - run service ___ stop...
resize2fs /dev/myvg/homevol
chkconfig --level 35 httpd on
nfs
NameVirtualHost
31. httpd ___ to update the httpd package - automatically answering yes to all the questions
iptables -F
yum -y update
fdisk
5
32. What parts of rhel6 should be installed to separate volumes?
NameVirtualHost
/boot
e2fsadm
/ (root) - /boot and linux swap
33. 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
5
setsebool -P squid_connect_any 1
chcon -R -t httpd_sys_content_t /home/michael/public_html
yum install httpd
34. 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
-i (do not use -U or -F!)
chkconfig --list httpd
iptables
/boot
35. ____ is used for creating ext2 and ext3 file systems
/etc/lvmtab
ServerName
mke2fs
rpm -Va
36. List sboth the client hostname or IP address and mounted directory in host:dir format. This info should not be considered reliable.
First boot process
showmount -a
yum update kernel
fdisk -l
37. To check status of ftp daemon
chkconfig httpd on
showmount -a
service vsftpd status
ServerAdmin
38. 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)
LVM
yum clean all
lvdisplay -D /dev/rootvg/tmplv
39. The rpm ____ option installs the package - if it isn't already installed.
setsebool -P htttpd.enable.homedirs 1
-i
yum install mod_ssl squid
dd if=./diskboot.img of=/dev/sdc
40. what utility can be used to open port 80?
system-config-firewall
e2fsadm
rpm -Va
fdisk
41. 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
-l
ls -Z
/boot
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)
42. For http - if you implement 'UserDir public_html' - you need to also ____ /home/michael/public_html if you want /home/michael/public_html accessible
pirut
iptables
chmod 705
--import file
43. 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
rpm -V zip
-i
ServerName
44. If you want to add an iptables command to forward TCP port 80 traffic to TCP port 3128 - you would use the following:
system-config-firewall
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
lvdisplay -D /dev/rootvg/tmplv
parted /dev/hda print
45. For http - if you implement 'UserDir public_html' - you need to also ____ /home/michael if you want /home/michael/public_html accessible
NameVirtualHost
setsebool -P htttpd.enable.homedirs 1
dumpe2fs
chmod 701
46. Virtual Host Configuration: Sets a root directory for the virtual host.
CustomLog
DocumentRoot
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
iptables
47. Create a usb boot disk if the usb stick is /dev/sdc and the file you need is in your present directory
var/ftp/pub
/etc/lvmtab
(rpm -q)p file (for rpmfile name)
dd if=./diskboot.img of=/dev/sdc
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.
iptables -F
-K
CustomLog
yum install httpd
49. Perform a simple check of the file system. minor-num is x.
rpm -V
--import file
yum install httpd
parted; check x
50. The most straightforward way to make sure Apache starts in bootlevels 3 and 5
parted; check x
parted /dev/hda print
chkconfig --level 35 httpd on
tune2fs