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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. Virtual Host Configuration: Assigns an e-mail address for the specified virtual host.
rpm -ivh --replacepkgs xxxx*
ServerAdmin
e2fsadm
yum install vsftpd
2. Virtual Host Configuration: Specifies an IP address for multiple virtual hosts.
showmount -a
NameVirtualHost
ErrorLog
rpm -V zip
3. ____ prints superblock and block group information.
dumpe2fs
-i (do not use -U or -F!)
resize2fs
lvdisplay -D /dev/rootvg/tmplv
4. Virtual Host Configuration: Sets a root directory for the virtual host.
setup
e2fsadm
NameVirtualHost
DocumentRoot
5. Virtual Host Configuration: Names the URL for the virtual host.
ServerName
port 21
htpasswd -c /etc/httpd/webpass e
showmount -a
6. Logical partitions on a hard drive always start with number ____; on the first PATA/IDE hard drive on a PC - that is hda____.
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)
First boot process
5
/etc/vsftpd
7. 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
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
iptables
var/ftp/pub
Yes
8. httpd ___ shows me what config files were installed when the httpd package was installed
rpm -qc
port 21
iptables -F
ServerTokens
9. How to start apache service?
tune2fs
telnetd : ALL EXCEPT 192.168.1.10
setsebool -P squid_connect_any 1
/etc/init.d/httpd start
10. How to start the vsftp service automatically on boot?
-i
iptables
chkconfig vsftpd on
rpm -ivh --replacepkgs xxxx*
11. To install both mod_ssl and squid packages
yum install mod_ssl squid
select (followed by the device name such as /dev/hdb)
ErrorLog
yum update kernel
12. 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
AllowOverride
service vsftpd status
grep '[.*]' server1.repo
13. Virtual Host Configuration: Creates an error log; the location is based on the DocumentRoot.
ErrorLog
mke2fs
5
rpm -Va
14. Where to find the main apache config file?
/boot
port 21
/etc/httpd/conf/
parted /dev/hda print
15. List sboth the client hostname or IP address and mounted directory in host:dir format. This info should not be considered reliable.
(rpm -q)p file (for rpmfile name)
fdisk
showmount -a
--import file
16. httpd ___ to update the httpd package - automatically answering yes to all the questions
setsebool -P htttpd.enable.homedirs 1
yum install vsftpd
yum -y update
e2fsadm
17. For http - if you implement 'UserDir public_html' - you need to also ____ /home/michael/public_html if you want /home/michael/public_html accessible
showmount -a
/boot
fdisk -l
chmod 705
18. 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.
lvdisplay -D /dev/rootvg/tmplv
iptables -F
setup
showmount -e
19. After extending file system 'homevol' - unmount it and then run _____ to make the filesystem size match the new larger volume.
chkconfig --list httpd
yum install httpd
resize2fs /dev/myvg/homevol
parted; mklabel k
20. To check status of ftp daemon
fdisk -l
/etc/vsftpd
5
service vsftpd status
21. You can use the ____ tool after installation to add any package groups that you missed.
iptables
chkconfig --list httpd
pirut
var/www/html
22. If in doubt about package names - you can find them in the ...
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)
chmod 701
setsebool -P squid_connect_any 1
/etc/lvmtab
23. 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)
setsebool -P htttpd.enable.homedirs 1
parted; check x
rpm -V zip
e2fsadm
24. rpm ____ to install kernel updates
-i (do not use -U or -F!)
yum clean all
/var/ftp/pub
-l
25. ____ configuration is not available via text mode RHEL installation.
LVM
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
/etc/squid/
ssh
26. Are SELinux and iptables-based firewalls are enabled by default?
setup
Yes
rpm -e zip
-K
27. I just finished editing my /etc/yum.repos.d/*repo file and want yum to use the new info - so I run ____
yum clean all
showmount -a
rpm -ivh --replacepkgs xxxx*
CustomLog
28. It's much more difficult and much more time-consuming to revise partitions with utilities such as ____ or parted after RHEL is installed.
fdisk
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
ErrorLog
var/ftp/pub
29. Use parted to display disk geometry for /dev/hda and end up in shell
-i (do not use -U or -F!)
parted /dev/hda print
ls -Z
chkconfig --list httpd
30. If you want to add an iptables command to forward TCP port 80 traffic to TCP port 3128 - you would use the following:
/etc/vsftpd
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
resize2fs /dev/myvg/homevol
/etc/squid/
31. For http - if you implement 'UserDir public_html' - you need to also ____ /home/michael if you want /home/michael/public_html accessible
chkconfig httpd on
/ (root) - /boot and linux swap
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
chmod 701
32. 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
/ (root) - /boot and linux swap
yum update kernel
rpm -V zip
lvextend -L4G /dev/rootvg/tmplv
33. I ran 'e2label /dev/sda' and got 'bad magic number' Why?
yum install vsftpd
Yes
filesystem type is not ext2 or ext3
fdisk -l
34. How do you restart the apache web server?
/etc/init.d/httpd restart
yum -y update
port 21
ls -Z
35. SELinux must be configured to Allow HTTPD To Read Home Directories. (Alternatively - activate the httpd_enable_homedirs boolean with the __ command.)
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
setsebool -P htttpd.enable.homedirs 1
elinks
ServerName
36. 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
ErrorLog
iptables -F
grep '[.*]' server1.repo
setsebool -P squid_connect_any 1
37. 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 ____
/ (root) - /boot and linux swap
resize2fs
setup
elinks
38. The most straightforward way to make sure Apache starts in bootlevels 3 and 5
LVM
pirut
chkconfig --level 35 httpd on
rpm -ivh --replacepkgs xxxx*
39. How to disable the firewall on the current system?
/etc/httpd/conf/
ls -Z
yum install vsftpd
iptables -F
40. 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
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
nfs
NameVirtualHost
/boot
CustomLog
42. Tthe file that might contain: oldvg - rootvg - etc.
yum install httpd
/etc/lvmtab
rpm -Va
showmount -a
43. Where is the config dir for vsftpd?
-K
iptables -F
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/vsftpd
44. Create a usb boot disk if the usb stick is /dev/sdc and the file you need is in your present directory
yum clean all
e2fsadm
dd if=./diskboot.img of=/dev/sdc
/ (root) - /boot and linux swap
45. 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:
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
ls -Z
iptables
parted; mklabel k
46. After you edit /etc/exports - run service ___ stop...
rpm -ivh --replacepkgs xxxx*
ServerName
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)
nfs
47. The simplest way to install Apache
parted; check x
pirut
yum update kernel
yum install httpd
48. Perform a simple check of the file system. minor-num is x.
yum clean all
iptables
-i (do not use -U or -F!)
parted; check x
49. 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
/var/ftp/pub
ServerTokens
htpasswd -c /etc/httpd/webpass e
/etc/lvmtab
50. How to install vsftpd?
5
yum install vsftpd
dumpe2fs
/etc/init.d/httpd restart