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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. The main Squid configuration file is ____/squid.conf
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
ErrorLog
/etc/squid/
rpm -V zip
2. The simplest way to install Apache
yum install httpd
/etc/vsftpd
lvextend -L4G /dev/rootvg/tmplv
NameVirtualHost
3. 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 ____
rpm -e zip
yum install vsftpd
/etc/init.d/vsftpd start
yum -y update
4. To check status of ftp daemon
/etc/init.d/vsftpd start
chkconfig httpd on
ServerAdmin
service vsftpd status
5. When an rpm install fails for xxxx because the same version is already apparently installed - run ____ to just install it all again
rpm -ivh --replacepkgs xxxx*
port 21
ServerName
chmod 705
6. What parts of rhel6 should be installed to separate volumes?
/ (root) - /boot and linux swap
chmod 705
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
CustomLog
7. _____ will change the size of /dev/rootvg/tmplv to 4 gig
parted /dev/hda print
lvextend -L4G /dev/rootvg/tmplv
resize2fs
iptables
8. You can use the ____ tool after installation to add any package groups that you missed.
/boot
--import file
pirut
yum install vsftpd
9. Where is the main apache data directory?
var/ftp/pub
var/www/html
CustomLog
-K
10. Create a usb boot disk if the usb stick is /dev/sdc and the file you need is in your present directory
yum install vsftpd
-i
dd if=./diskboot.img of=/dev/sdc
var/www/html
11. Tthe file that might contain: oldvg - rootvg - etc.
chcon -R -t httpd_sys_content_t /home/michael/public_html
-i
fdisk
/etc/lvmtab
12. Perform a simple check of the file system. minor-num is x.
parted; check x
rpm -V
Yes
/etc/init.d/vsftpd start
13. It's much more difficult and much more time-consuming to revise partitions with utilities such as ____ or parted after RHEL is installed.
fdisk
chkconfig --level 35 httpd on
chmod 705
LVM
14. pam ___ will tell me if any files in the pam package have changed since it was first installed
-i (do not use -U or -F!)
rpm -ivh --replacepkgs xxxx*
rpm -V
ssh
15. You can check the status of your share. If it's working - you should see the contents of the /etc/exports directory when you run the following command:
rpm -ivh --replacepkgs xxxx*
rpm -e zip
showmount -e
var/ftp/pub
16. This line placed in /etc/hosts.deny denies all services except TFTP to computers in the example.org domain
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
chkconfig --list httpd
chkconfig --level 35 httpd on
var/ftp/pub
17. Virtual Host Configuration: Sets a root directory for the virtual host.
elinks
/etc/vsftpd
DocumentRoot
nfs
18. How to start apache service?
-l
mke2fs
/etc/init.d/httpd start
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
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:
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/
AllowOverride
setsebool -P htttpd.enable.homedirs 1
20. Apache supports security by specifying active ports through the Listen and ____ directives.
elinks
yum install httpd
-i
NameVirtualHost
21. Virtual Host Configuration: Specifies an IP address for multiple virtual hosts.
NameVirtualHost
5
fdisk
rpm -V
22. Where is vsftpd.conf?
-K
rpm -ivh --replacepkgs xxxx*
ErrorLog
/etc/vsftpd
23. 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
LVM
yum install vsftpd
yum install mod_ssl squid
24. Create a disk label for the partition table called k
lvdisplay -D /dev/rootvg/tmplv
parted; mklabel k
-i
parted /dev/hda print
25. Virtual Host Configuration: Names the URL for the virtual host.
rpm -Va
NameVirtualHost
ServerName
AllowOverride
26. I just finished editing my /etc/yum.repos.d/*repo file and want yum to use the new info - so I run ____
chcon -R -t httpd_sys_content_t /home/michael/public_html
Yes
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
yum clean all
27. Logical partitions on a hard drive always start with number ____; on the first PATA/IDE hard drive on a PC - that is hda____.
setup
rpm -qc
/var/ftp/pub
5
28. The rpm ____ option installs the package - if it isn't already installed.
system-config-firewall
(rpm -q)p file (for rpmfile name)
-i
filesystem type is not ext2 or ext3
29. List sboth the client hostname or IP address and mounted directory in host:dir format. This info should not be considered reliable.
/etc/httpd/conf/
(rpm -q)p file (for rpmfile name)
showmount -a
grep '[.*]' server1.repo
30. After extending file system 'homevol' - unmount it and then run _____ to make the filesystem size match the new larger volume.
AllowOverride
dd if=./diskboot.img of=/dev/sdc
resize2fs /dev/myvg/homevol
setsebool -P htttpd.enable.homedirs 1
31. ___ http://devmon.dev.schwab.com/index.html will make a local copy of the index.html file from devmon
parted; check x
/etc/vsftpd
LVM
wget (http://devmon.dev.schwab.com/index.html)
32. 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
telnetd : ALL EXCEPT 192.168.1.10
First boot process
-i (do not use -U or -F!)
/media/repodata
33. 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
Yes
/ (root) - /boot and linux swap
chcon -R -t httpd_sys_content_t /home/michael/public_html
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
34. rpm ____ [name of package] to verify the package - once you have manually imported the key
chcon -R -t httpd_sys_content_t /home/michael/public_html
wget (http://devmon.dev.schwab.com/index.html)
-K
fdisk -l
35. ____ is used to modify file system parameters
chmod 701
tune2fs
/etc/squid/
yum install mod_ssl squid
36. Where is the vsftp pub dir?
port 21
filesystem type is not ext2 or ext3
/var/ftp/pub
rpm -Va
37. Where is the config dir for vsftpd?
rpm -qc
/etc/vsftpd
ServerAdmin
parted; check x
38. Where to find the main apache config file?
chmod 705
/etc/httpd/conf/
rpm -qc
chkconfig --level 35 httpd on
39. If you want to add an iptables command to forward TCP port 80 traffic to TCP port 3128 - you would use the following:
yum -y update
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
40. rpm options include rpm -q [package name] or rpm -qf [path/file] or rmp -q____
DocumentRoot
(rpm -q)p file (for rpmfile name)
chkconfig --level 35 httpd on
yum install httpd
41. 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)
fdisk
e2fsadm
lvdisplay -D /dev/rootvg/tmplv
ServerTokens
42. SELinux must be configured to Allow HTTPD To Read Home Directories. (Alternatively - activate the httpd_enable_homedirs boolean with the __ command.)
showmount -e
ssh
rpm -qc
setsebool -P htttpd.enable.homedirs 1
43. How to disable the firewall on the current system?
var/ftp/pub
iptables -F
filesystem type is not ext2 or ext3
resize2fs
44. Run the ____ command to find the device associated with the USB key.
fdisk -l
/etc/vsftpd
ls -Z
NameVirtualHost
45. How do you restart the apache web server?
resize2fs /dev/myvg/homevol
yum install mod_ssl squid
/etc/init.d/httpd restart
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)
46. I ran 'e2label /dev/sda' and got 'bad magic number' Why?
filesystem type is not ext2 or ext3
rpm -Va
/etc/init.d/httpd restart
fdisk
47. To select a different device without having to restart parted - use the ____ command . Then - you can view its partition table or configure it.
rpm -qc
ssh
select (followed by the device name such as /dev/hdb)
resize2fs
48. 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
yum install httpd
/media/repodata
system-config-firewall
49. 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
-K
ServerTokens
/etc/init.d/httpd restart
50. 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.
/etc/httpd/conf/
chkconfig vsftpd on
iptables -F
mke2fs