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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. rpm options include rpm -q [package name] or rpm -qf [path/file] or rmp -q____
(rpm -q)p file (for rpmfile name)
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
dd if=./diskboot.img of=/dev/sdc
showmount -a
2. Perform a simple check of the file system. minor-num is x.
parted /dev/hda print
LVM
e2fsadm
parted; check x
3. 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/vsftpd start
chkconfig --level 35 httpd on
rpm -e zip
elinks
4. Where is the config dir for vsftpd?
NameVirtualHost
ServerName
/etc/vsftpd
elinks
5. 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)
e2fsadm
/etc/vsftpd
fdisk -l
elinks
6. Virtual Host Configuration: Sets a root directory for the virtual host.
DocumentRoot
yum update kernel
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
/etc/init.d/httpd restart
7. When an rpm install fails for xxxx because the same version is already apparently installed - run ____ to just install it all again
setsebool -P squid_connect_any 1
rpm -ivh --replacepkgs xxxx*
ssh
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
8. rpm ____ [name of package] to verify the package - once you have manually imported the key
iptables -F
chmod 701
-K
chmod 705
9. rpm ____ verifies all installed rpms against the rpm database
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
pirut
rpm -Va
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)
10. How to install apache?
yum install httpd
squid -z
yum -y update
htpasswd -c /etc/httpd/webpass e
11. Tthe file that might contain: oldvg - rootvg - etc.
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
lvextend -L4G /dev/rootvg/tmplv
rpm -e zip
/etc/lvmtab
12. Create a usb boot disk if the usb stick is /dev/sdc and the file you need is in your present directory
pirut
dd if=./diskboot.img of=/dev/sdc
/etc/init.d/vsftpd start
system-config-firewall
13. I just finished editing my /etc/yum.repos.d/*repo file and want yum to use the new info - so I run ____
/etc/init.d/httpd start
yum clean all
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
mke2fs
14. ____ can expand and shrink ext2 and ext3 file systems
/etc/httpd/conf/
resize2fs
/var/ftp/pub
/etc/squid/
15. List sboth the client hostname or IP address and mounted directory in host:dir format. This info should not be considered reliable.
parted /dev/hda print
showmount -a
First boot process
rpm -qc
16. The rpm ____ option installs the package - if it isn't already installed.
-i
chkconfig --level 35 httpd on
rpm -V zip
yum update kernel
17. What command starts the same menu as the text-mode First Boot process?
/var/ftp/pub
setup
DocumentRoot
showmount -e
18. What parts of rhel6 should be installed to separate volumes?
elinks
setsebool -P htttpd.enable.homedirs 1
/ (root) - /boot and linux swap
LVM
19. How to disable the firewall on the current system?
rpm -V
chkconfig vsftpd on
iptables -F
ServerTokens
20. ____ configuration is not available via text mode RHEL installation.
LVM
DocumentRoot
chkconfig --level 35 httpd on
iptables -F
21. Use parted to display disk geometry for /dev/hda and end up in shell
NameVirtualHost
parted /dev/hda print
ls -Z
yum install vsftpd
22. Virtual Host Configuration: Creates an error log; the location is based on the DocumentRoot.
ErrorLog
rpm -e zip
iptables
ls -Z
23. Where is the main apache data directory?
var/www/html
yum install mod_ssl squid
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
rpm -V
24. httpd ___ shows me what config files were installed when the httpd package was installed
setup
rpm -qc
select (followed by the device name such as /dev/hdb)
chmod 705
25. rpm ____ verifies the installed zip rpm against the rpm database
5
setup
rpm -V zip
dumpe2fs
26. 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
elinks
yum install httpd
fdisk -l
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
chcon -R -t httpd_sys_content_t /home/michael/public_html
rpm -qc
/media/repodata
resize2fs /dev/myvg/homevol
28. Where is the vsftp pub dir?
/var/ftp/pub
(rpm -q)p file (for rpmfile name)
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)
chcon -R -t httpd_sys_content_t /home/michael/public_html
29. 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
yum install vsftpd
-l
/ (root) - /boot and linux swap
30. Are SELinux and iptables-based firewalls are enabled by default?
rpm -e zip
Yes
/etc/vsftpd
AllowOverride
31. What is the first post installation step?
First boot process
/var/ftp/pub
Yes
dumpe2fs
32. The simplest way to install Apache
Yes
yum install httpd
var/ftp/pub
iptables -F
33. 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 -V
iptables
5
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
34. Where is vsftpd.conf?
chcon -R -t httpd_sys_content_t /home/michael/public_html
fdisk
/etc/vsftpd
rpm -V
35. ____ is used for creating ext2 and ext3 file systems
var/ftp/pub
rpm -Va
mke2fs
/boot
36. what utility can be used to open port 80?
pirut
dumpe2fs
parted; check x
system-config-firewall
37. 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.
Yes
-K
iptables -F
e2fsadm
38. After you edit /etc/exports - run service ___ stop...
chcon -R -t httpd_sys_content_t /home/michael/public_html
nfs
setsebool -P squid_connect_any 1
fdisk
39. ____ prints superblock and block group information.
tune2fs
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
dumpe2fs
parted; mklabel k
40. 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
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
/boot
pirut
grep '[.*]' server1.repo
41. Virtual Host Configuration: Assigns an e-mail address for the specified virtual host.
rpm -V
setsebool -P squid_connect_any 1
ServerAdmin
chkconfig --level 35 httpd on
42. 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)
-l
/etc/lvmtab
/boot
43. You can use the ____ tool after installation to add any package groups that you missed.
pirut
ServerAdmin
NameVirtualHost
/ (root) - /boot and linux swap
44. rpm ____ to import the rpm key for integrity checking
elinks
/etc/init.d/httpd restart
tune2fs
--import file
45. 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
select (followed by the device name such as /dev/hdb)
-i (do not use -U or -F!)
AllowOverride
First boot process
46. Run the ____ command to find the device associated with the USB key.
fdisk -l
--import file
elinks
NameVirtualHost
47. rpm option to show me the package files
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
yum install vsftpd
fdisk -l
-l
48. 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
ServerAdmin
ServerTokens
fdisk -l
chmod 701
49. 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
--import file
var/ftp/pub
lvdisplay -D /dev/rootvg/tmplv
yum update kernel
50. 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:
Yes
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
showmount -e
wget (http://devmon.dev.schwab.com/index.html)