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. 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 ____
/etc/init.d/httpd start
elinks
resize2fs /dev/myvg/homevol
setsebool -P squid_connect_any 1
2. What is the first post installation step?
NameVirtualHost
First boot process
var/www/html
yum install vsftpd
3. How to start the vsftp service automatically on boot?
chkconfig vsftpd on
5
showmount -e
rpm -V
4. 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
pirut
filesystem type is not ext2 or ext3
chcon -R -t httpd_sys_content_t /home/michael/public_html
parted; check x
5. ____ prints superblock and block group information.
lvextend -L4G /dev/rootvg/tmplv
dumpe2fs
yum update kernel
/etc/vsftpd
6. Virtual Host Configuration: Assigns an e-mail address for the specified virtual host.
var/ftp/pub
LVM
ServerAdmin
/var/ftp/pub
7. 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:
LVM
htpasswd -c /etc/httpd/webpass e
-i
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
8. List sboth the client hostname or IP address and mounted directory in host:dir format. This info should not be considered reliable.
iptables
setup
Yes
showmount -a
9. rpm ____ verifies all installed rpms against the rpm database
NameVirtualHost
/etc/init.d/vsftpd start
rpm -Va
setsebool -P squid_connect_any 1
10. 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
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)
lvdisplay -D /dev/rootvg/tmplv
var/ftp/pub
11. If in doubt about package names - you can find them in the ...
yum update kernel
parted; mklabel k
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)
12. If you want to add an iptables command to forward TCP port 80 traffic to TCP port 3128 - you would use the following:
nfs
lvextend -L4G /dev/rootvg/tmplv
pirut
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
13. I just finished editing my /etc/yum.repos.d/*repo file and want yum to use the new info - so I run ____
/etc/httpd/conf/
/etc/vsftpd
yum clean all
yum install httpd
14. Virtual Host Configuration: Creates an error log; the location is based on the DocumentRoot.
ErrorLog
-i
ServerName
/etc/init.d/vsftpd start
15. For http - if you implement 'UserDir public_html' - you need to also ____ /home/michael/public_html if you want /home/michael/public_html accessible
rpm -e zip
chmod 705
system-config-firewall
/ (root) - /boot and linux swap
16. httpd ___ to update the httpd package - automatically answering yes to all the questions
(rpm -q)p file (for rpmfile name)
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)
setsebool -P squid_connect_any 1
17. If rhel6 is in the /media directory - where is the XML file on that DVD with a database of packages and package groups?
setsebool -P squid_connect_any 1
chkconfig httpd on
/media/repodata
/boot
18. Create a disk label for the partition table called k
parted; mklabel k
wget (http://devmon.dev.schwab.com/index.html)
NameVirtualHost
chkconfig vsftpd on
19. 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:
NameVirtualHost
fdisk -l
telnetd : ALL EXCEPT 192.168.1.10
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
20. You can use the ____ tool after installation to add any package groups that you missed.
pirut
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
htpasswd -c /etc/httpd/webpass e
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
21. output from ____ is: Disk /dev/cciss/c0d0: 36.4 GB - 36414750720 bytes... plus listing of partitions - for each physical drive
fdisk -l
iptables
telnetd : ALL EXCEPT 192.168.1.10
rpm -e zip
22. what port needs to be open to access ftp?
port 21
elinks
lvextend -L4G /dev/rootvg/tmplv
telnetd : ALL EXCEPT 192.168.1.10
23. ____ can expand and shrink ext2 and ext3 file systems
/etc/vsftpd
parted /dev/hda print
chkconfig vsftpd on
resize2fs
24. Perform a simple check of the file system. minor-num is x.
port 21
/media/repodata
parted; check x
setsebool -P htttpd.enable.homedirs 1
25. what utility can be used to open port 80?
service vsftpd status
rpm -V
system-config-firewall
tune2fs
26. httpd ___ shows me what config files were installed when the httpd package was installed
ServerAdmin
htpasswd -c /etc/httpd/webpass e
rpm -qc
AllowOverride
27. Use parted to display disk geometry for /dev/hda and end up in shell
lvextend -L4G /dev/rootvg/tmplv
/var/ftp/pub
parted /dev/hda print
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
28. '____ /var/www' will tell you the ACL settings of /var/www
var/www/html
iptables
service vsftpd status
ls -Z
29. 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
parted /dev/hda print
-i (do not use -U or -F!)
30. How do you restart the apache web server?
elinks
fdisk -l
yum install mod_ssl squid
/etc/init.d/httpd restart
31. ______ will show me volume info including vg - size - etc of /dev/rootvg/tmplv
yum install mod_ssl squid
chcon -R -t httpd_sys_content_t /home/michael/public_html
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
lvdisplay -D /dev/rootvg/tmplv
32. 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 ____
chkconfig httpd on
rpm -e zip
ServerName
system-config-firewall
33. Create a usb boot disk if the usb stick is /dev/sdc and the file you need is in your present directory
/etc/vsftpd
dd if=./diskboot.img of=/dev/sdc
setsebool -P htttpd.enable.homedirs 1
elinks
34. Are SELinux and iptables-based firewalls are enabled by default?
chkconfig httpd on
-i (do not use -U or -F!)
/etc/vsftpd
Yes
35. How to start apache service?
squid -z
resize2fs
/etc/init.d/httpd start
port 21
36. What service is allowed through the default firewall?
chmod 705
rpm -V zip
ssh
tune2fs
37. How to start the vsftp service?
/etc/vsftpd
/etc/init.d/vsftpd start
select (followed by the device name such as /dev/hdb)
var/ftp/pub
38. How to install apache?
service vsftpd status
yum install httpd
LVM
setup
39. Virtual Host Configuration: Sets a root directory for the virtual host.
filesystem type is not ext2 or ext3
5
DocumentRoot
parted; mklabel k
40. 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
nfs
fdisk -l
parted; check x
41. Create the basic cache directories in /var/spool/squid with the following command:
parted; check x
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)
squid -z
nfs
42. 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/httpd restart
-i
setsebool -P squid_connect_any 1
ServerTokens
43. Run the ____ command to find the device associated with the USB key.
yum install httpd
DocumentRoot
chmod 705
fdisk -l
44. 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
chkconfig vsftpd on
chmod 705
/etc/init.d/vsftpd start
45. 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
rpm -V
chkconfig --list httpd
telnetd : ALL EXCEPT 192.168.1.10
Yes
46. Virtual Host Configuration: Names the URL for the virtual host.
ServerName
fdisk -l
nfs
-i
47. 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/
wget (http://devmon.dev.schwab.com/index.html)
iptables
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. How to install vsftpd?
yum install vsftpd
fdisk -l
resize2fs
rpm -V
49. To install both mod_ssl and squid packages
yum install mod_ssl squid
parted /dev/hda print
rpm -Va
chmod 705
50. Where is the config dir for vsftpd?
/boot
chmod 701
e2fsadm
/etc/vsftpd