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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. ____ is used for creating ext2 and ext3 file systems
mke2fs
select (followed by the device name such as /dev/hdb)
yum update kernel
chkconfig --level 35 httpd on
2. 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
ServerAdmin
chmod 701
rpm -V
3. 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.
var/www/html
fdisk -l
rpm -V
rpm -Va
4. Use parted to display disk geometry for /dev/hda and end up in shell
filesystem type is not ext2 or ext3
grep '[.*]' server1.repo
yum install vsftpd
parted /dev/hda print
5. 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)
showmount -a
ServerName
ls -Z
6. 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
yum -y update
NameVirtualHost
dd if=./diskboot.img of=/dev/sdc
7. what utility can be used to open port 80?
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)
system-config-firewall
/etc/lvmtab
8. 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
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
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
9. The most straightforward way to make sure Apache starts in bootlevels 3 and 5
chkconfig --level 35 httpd on
chkconfig httpd on
/etc/init.d/vsftpd start
var/www/html
10. How to make sure apache starts automatically on next reboot?
/etc/httpd/conf/
yum install httpd
chkconfig httpd on
system-config-firewall
11. You can use the ____ tool after installation to add any package groups that you missed.
pirut
htpasswd -c /etc/httpd/webpass e
squid -z
NameVirtualHost
12. After you edit /etc/exports - run service ___ stop...
nfs
elinks
rpm -ivh --replacepkgs xxxx*
ServerTokens
13. 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)
DocumentRoot
LVM
CustomLog
iptables -F
14. ______ will show me volume info including vg - size - etc of /dev/rootvg/tmplv
DocumentRoot
lvdisplay -D /dev/rootvg/tmplv
parted /dev/hda print
yum -y update
15. How to start the vsftp service?
yum install mod_ssl squid
dumpe2fs
tune2fs
/etc/init.d/vsftpd start
16. Where to find the main apache config file?
chkconfig --level 35 httpd on
iptables -F
/etc/httpd/conf/
mke2fs
17. How to disable the firewall on the current system?
ssh
setsebool -P squid_connect_any 1
rpm -V
iptables -F
18. SELinux must be configured to Allow HTTPD To Read Home Directories. (Alternatively - activate the httpd_enable_homedirs boolean with the __ command.)
setup
setsebool -P htttpd.enable.homedirs 1
ErrorLog
pirut
19. To list under which run levels the web service will start
resize2fs /dev/myvg/homevol
showmount -e
chkconfig --list httpd
Yes
20. To select a different device without having to restart parted - use the ____ command . Then - you can view its partition table or configure it.
select (followed by the device name such as /dev/hdb)
setsebool -P squid_connect_any 1
/etc/init.d/httpd restart
setsebool -P htttpd.enable.homedirs 1
21. rpm ____ [name of package] to verify the package - once you have manually imported the key
chmod 705
fdisk -l
chmod 701
-K
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
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
fdisk -l
showmount -e
/etc/vsftpd
23. 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 ____
rpm -V
elinks
lvextend -L4G /dev/rootvg/tmplv
fdisk -l
24. How to install vsftpd?
yum install vsftpd
resize2fs /dev/myvg/homevol
ServerTokens
chkconfig vsftpd on
25. Logical partitions on a hard drive always start with number ____; on the first PATA/IDE hard drive on a PC - that is hda____.
/etc/init.d/httpd start
5
rpm -qc
NameVirtualHost
26. 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
setsebool -P squid_connect_any 1
dd if=./diskboot.img of=/dev/sdc
resize2fs /dev/myvg/homevol
DocumentRoot
27. To install both mod_ssl and squid packages
setup
yum install mod_ssl squid
pirut
First boot process
28. ____ can expand and shrink ext2 and ext3 file systems
resize2fs
telnetd : ALL EXCEPT 192.168.1.10
ls -Z
tune2fs
29. What parts of rhel6 should be installed to separate volumes?
system-config-firewall
/ (root) - /boot and linux swap
yum install vsftpd
pirut
30. 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:
/etc/init.d/httpd restart
telnetd : ALL EXCEPT 192.168.1.10
htpasswd -c /etc/httpd/webpass e
wget (http://devmon.dev.schwab.com/index.html)
31. How to start the vsftp service automatically on boot?
yum clean all
/etc/init.d/vsftpd start
yum install vsftpd
chkconfig vsftpd on
32. 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
AllowOverride
mke2fs
rpm -V
tune2fs
33. Virtual Host Configuration: Sets a root directory for the virtual host.
/etc/vsftpd
DocumentRoot
pirut
-i
34. How to install apache?
yum install httpd
resize2fs /dev/myvg/homevol
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
filesystem type is not ext2 or ext3
35. The main Squid configuration file is ____/squid.conf
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
/etc/squid/
rpm -Va
elinks
36. 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
rpm -Va
iptables
parted; mklabel k
rpm -V
37. rpm ____ to import the rpm key for integrity checking
fdisk
rpm -V
First boot process
--import file
38. _____ will change the size of /dev/rootvg/tmplv to 4 gig
(rpm -q)p file (for rpmfile name)
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
First boot process
lvextend -L4G /dev/rootvg/tmplv
39. ____ prints superblock and block group information.
ServerAdmin
chkconfig vsftpd on
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
dumpe2fs
40. 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
filesystem type is not ext2 or ext3
/etc/vsftpd
chcon -R -t httpd_sys_content_t /home/michael/public_html
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
41. ____ is used to modify file system parameters
wget (http://devmon.dev.schwab.com/index.html)
yum -y update
tune2fs
setup
42. ____ configuration is not available via text mode RHEL installation.
First boot process
LVM
iptables -F
ls -Z
43. If you want to add an iptables command to forward TCP port 80 traffic to TCP port 3128 - you would use the following:
chkconfig --level 35 httpd on
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
ServerName
lvdisplay -D /dev/rootvg/tmplv
44. 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 ____
ServerName
parted; mklabel k
rpm -e zip
fdisk -l
45. 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
/boot
chkconfig vsftpd on
/etc/vsftpd
NameVirtualHost
46. Create the basic cache directories in /var/spool/squid with the following command:
port 21
squid -z
system-config-firewall
-i (do not use -U or -F!)
47. 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)
dumpe2fs
fdisk -l
-l
48. rpm option to show me the package files
mke2fs
system-config-firewall
chkconfig --list httpd
-l
49. How do you restart the apache web server?
rpm -ivh --replacepkgs xxxx*
/etc/init.d/httpd restart
squid -z
ServerTokens
50. What service is allowed through the default firewall?
/etc/init.d/httpd restart
rpm -V
ServerName
ssh