SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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: 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)
CustomLog
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
ErrorLog
yum update kernel
2. How do you restart the apache web server?
yum install httpd
/etc/init.d/httpd restart
-i (do not use -U or -F!)
nfs
3. Where to find the main apache config file?
e2fsadm
rpm -e zip
/etc/httpd/conf/
-i (do not use -U or -F!)
4. SELinux must be configured to Allow HTTPD To Read Home Directories. (Alternatively - activate the httpd_enable_homedirs boolean with the __ command.)
chcon -R -t httpd_sys_content_t /home/michael/public_html
tune2fs
rpm -Va
setsebool -P htttpd.enable.homedirs 1
5. ____ is used to modify file system parameters
iptables
tune2fs
/media/repodata
grep '[.*]' server1.repo
6. If rhel6 is in the /media directory - where is the XML file on that DVD with a database of packages and package groups?
/media/repodata
ssh
rpm -qc
chkconfig --list httpd
7. rpm ____ verifies the installed zip rpm against the rpm database
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
rpm -V zip
pirut
chkconfig --level 35 httpd on
8. After extending file system 'homevol' - unmount it and then run _____ to make the filesystem size match the new larger volume.
resize2fs /dev/myvg/homevol
/var/ftp/pub
/etc/squid/
/etc/vsftpd
9. 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
yum update kernel
-K
telnetd : ALL EXCEPT 192.168.1.10
squid -z
10. What is the first post installation step?
pirut
chcon -R -t httpd_sys_content_t /home/michael/public_html
First boot process
AllowOverride
11. ____ configuration is not available via text mode RHEL installation.
tune2fs
/etc/vsftpd
yum install mod_ssl squid
LVM
12. List sboth the client hostname or IP address and mounted directory in host:dir format. This info should not be considered reliable.
chkconfig httpd on
showmount -a
elinks
system-config-firewall
13. For http - if you implement 'UserDir public_html' - you need to also ____ /home/michael/public_html if you want /home/michael/public_html accessible
wget (http://devmon.dev.schwab.com/index.html)
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
chmod 705
yum install vsftpd
14. For http - if you implement 'UserDir public_html' - you need to also ____ /home/michael if you want /home/michael/public_html accessible
chmod 701
Yes
-K
/etc/init.d/httpd start
15. Where is the vsftp pub dir?
yum install mod_ssl squid
chmod 701
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
/var/ftp/pub
16. Where is the config dir for vsftpd?
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
/etc/vsftpd
/ (root) - /boot and linux swap
ServerTokens
17. Apache supports security by specifying active ports through the Listen and ____ directives.
filesystem type is not ext2 or ext3
tune2fs
fdisk -l
NameVirtualHost
18. 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:
dumpe2fs
htpasswd -c /etc/httpd/webpass e
(rpm -q)p file (for rpmfile name)
service vsftpd status
19. To list under which run levels the web service will start
chkconfig --list httpd
/etc/squid/
setsebool -P squid_connect_any 1
iptables
20. Logical partitions on a hard drive always start with number ____; on the first PATA/IDE hard drive on a PC - that is hda____.
rpm -ivh --replacepkgs xxxx*
squid -z
rpm -V
5
21. Where is vsftpd.conf?
/etc/vsftpd
chkconfig httpd on
ls -Z
fdisk -l
22. 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
elinks
chmod 701
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
-i (do not use -U or -F!)
23. ____ is used for creating ext2 and ext3 file systems
system-config-firewall
telnetd : ALL EXCEPT 192.168.1.10
/media/repodata
mke2fs
24. 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:
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)
yum clean all
rpm -qc
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
25. what utility can be used to open port 80?
system-config-firewall
/var/ftp/pub
/etc/init.d/httpd restart
ErrorLog
26. If you want to add an iptables command to forward TCP port 80 traffic to TCP port 3128 - you would use the following:
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
ssh
CustomLog
iptables -F
27. 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
var/www/html
chcon -R -t httpd_sys_content_t /home/michael/public_html
setup
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
28. Run the ____ command to find the device associated with the USB key.
resize2fs
CustomLog
fdisk -l
/etc/lvmtab
29. httpd ___ shows me what config files were installed when the httpd package was installed
rpm -qc
5
var/www/html
parted; mklabel k
30. 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.
iptables -F
rpm -V
-i
ServerName
31. httpd ___ to update the httpd package - automatically answering yes to all the questions
yum -y update
system-config-firewall
wget (http://devmon.dev.schwab.com/index.html)
-i (do not use -U or -F!)
32. The main Squid configuration file is ____/squid.conf
setsebool -P squid_connect_any 1
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
/etc/squid/
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
33. ____ prints superblock and block group information.
NameVirtualHost
dumpe2fs
/etc/vsftpd
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
34. To install both mod_ssl and squid packages
rpm -ivh --replacepkgs xxxx*
rpm -e zip
yum install mod_ssl squid
ServerName
35. '____ /var/www' will tell you the ACL settings of /var/www
-i (do not use -U or -F!)
chmod 701
ls -Z
nfs
36. Tthe file that might contain: oldvg - rootvg - etc.
yum install httpd
/etc/lvmtab
select (followed by the device name such as /dev/hdb)
/etc/init.d/httpd start
37. rpm ____ verifies all installed rpms against the rpm database
rpm -Va
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
grep '[.*]' server1.repo
lvextend -L4G /dev/rootvg/tmplv
38. Use parted to display disk geometry for /dev/hda and end up in shell
ssh
/ (root) - /boot and linux swap
htpasswd -c /etc/httpd/webpass e
parted /dev/hda print
39. You can use the ____ tool after installation to add any package groups that you missed.
iptables -F
service vsftpd status
pirut
LVM
40. what port needs to be open to access ftp?
port 21
/etc/init.d/httpd restart
lvdisplay -D /dev/rootvg/tmplv
yum -y update
41. rpm ____ to install kernel updates
CustomLog
/etc/lvmtab
-i (do not use -U or -F!)
ssh
42. What service is allowed through the default firewall?
ssh
chkconfig vsftpd on
rpm -V
iptables
43. 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
/etc/init.d/httpd restart
yum update kernel
--import file
(rpm -q)p file (for rpmfile name)
44. The most straightforward way to make sure Apache starts in bootlevels 3 and 5
rpm -Va
chkconfig --level 35 httpd on
yum install mod_ssl squid
ServerTokens
45. Perform a simple check of the file system. minor-num is x.
LVM
chkconfig --level 35 httpd on
parted; check x
chcon -R -t httpd_sys_content_t /home/michael/public_html
46. 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 ____
setsebool -P htttpd.enable.homedirs 1
elinks
resize2fs
rpm -ivh --replacepkgs xxxx*
47. Are SELinux and iptables-based firewalls are enabled by default?
Yes
nfs
parted /dev/hda print
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)
48. To check status of ftp daemon
service vsftpd status
ServerTokens
ServerName
fdisk
49. Virtual Host Configuration: Creates an error log; the location is based on the DocumentRoot.
ErrorLog
/etc/init.d/httpd start
parted /dev/hda print
/etc/httpd/conf/
50. What is the standard directory for file sharing with vsFTP?
var/ftp/pub
chkconfig --list httpd
wget (http://devmon.dev.schwab.com/index.html)
parted; mklabel k