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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 ____ to import the rpm key for integrity checking
iptables -F
/etc/squid/
-K
--import file
2. rpm option to show me the package files
/etc/squid/
First boot process
NameVirtualHost
-l
3. After extending file system 'homevol' - unmount it and then run _____ to make the filesystem size match the new larger volume.
chmod 701
resize2fs /dev/myvg/homevol
port 21
dumpe2fs
4. To verify integrity of an rpm package - ____/rpm-gpg/RPM-GPG-KEY-redhat-release
grep '[.*]' server1.repo
parted; check x
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
var/www/html
5. How to start the vsftp service?
var/ftp/pub
/etc/init.d/vsftpd start
telnetd : ALL EXCEPT 192.168.1.10
rpm -V
6. I ran 'e2label /dev/sda' and got 'bad magic number' Why?
chcon -R -t httpd_sys_content_t /home/michael/public_html
filesystem type is not ext2 or ext3
/etc/init.d/httpd restart
service vsftpd status
7. '____ /var/www' will tell you the ACL settings of /var/www
ls -Z
mke2fs
ServerName
/etc/lvmtab
8. 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
htpasswd -c /etc/httpd/webpass e
showmount -e
ls -Z
9. rpm ____ to install kernel updates
wget (http://devmon.dev.schwab.com/index.html)
chmod 701
-i (do not use -U or -F!)
dumpe2fs
10. Virtual Host Configuration: Assigns an e-mail address for the specified virtual host.
fdisk -l
chmod 701
ServerAdmin
/ (root) - /boot and linux swap
11. Where to find the main apache config file?
port 21
/etc/httpd/conf/
(rpm -q)p file (for rpmfile name)
/boot
12. rpm ____ [name of package] to verify the package - once you have manually imported the key
-K
chkconfig --list httpd
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
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)
fdisk
CustomLog
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
fdisk -l
14. 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
chkconfig vsftpd on
-i (do not use -U or -F!)
-l
15. 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
fdisk
iptables
LVM
rpm -e zip
16. 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
select (followed by the device name such as /dev/hdb)
/etc/vsftpd
/etc/httpd/conf/
17. What parts of rhel6 should be installed to separate volumes?
fdisk -l
/ (root) - /boot and linux swap
/etc/init.d/vsftpd start
/etc/vsftpd
18. Are SELinux and iptables-based firewalls are enabled by default?
e2fsadm
nfs
LVM
Yes
19. what port needs to be open to access ftp?
/ (root) - /boot and linux swap
port 21
NameVirtualHost
wget (http://devmon.dev.schwab.com/index.html)
20. To check status of ftp daemon
fdisk -l
setsebool -P squid_connect_any 1
rpm -V
service vsftpd status
21. The rpm ____ option installs the package - if it isn't already installed.
LVM
yum clean all
-i
chmod 705
22. rpm ____ verifies the installed zip rpm against the rpm database
chkconfig --level 35 httpd on
/var/ftp/pub
-i (do not use -U or -F!)
rpm -V zip
23. SELinux must be configured to Allow HTTPD To Read Home Directories. (Alternatively - activate the httpd_enable_homedirs boolean with the __ command.)
setsebool -P htttpd.enable.homedirs 1
ServerAdmin
chkconfig httpd on
rpm -Va
24. _____ will change the size of /dev/rootvg/tmplv to 4 gig
ssh
Yes
chmod 705
lvextend -L4G /dev/rootvg/tmplv
25. Create a disk label for the partition table called k
parted; mklabel k
chmod 701
wget (http://devmon.dev.schwab.com/index.html)
/ (root) - /boot and linux swap
26. Virtual Host Configuration: Names the URL for the virtual host.
ServerName
NameVirtualHost
iptables -F
First boot process
27. ____ prints superblock and block group information.
dumpe2fs
fdisk
/etc/lvmtab
parted; check x
28. Run the ____ command to find the device associated with the USB key.
iptables -F
yum clean all
yum install mod_ssl squid
fdisk -l
29. 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
showmount -e
setsebool -P htttpd.enable.homedirs 1
rpm -qc
yum update kernel
30. If in doubt about package names - you can find them in the ...
ServerAdmin
lvextend -L4G /dev/rootvg/tmplv
parted; mklabel k
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)
31. What command starts the same menu as the text-mode First Boot process?
setsebool -P htttpd.enable.homedirs 1
setup
pirut
parted; check x
32. The simplest way to install Apache
chkconfig vsftpd on
rpm -V zip
yum install httpd
chkconfig --level 35 httpd on
33. How to start the vsftp service automatically on boot?
chmod 701
chkconfig --list httpd
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
chkconfig vsftpd on
34. 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.
AllowOverride
mke2fs
iptables -F
/var/ftp/pub
35. Virtual Host Configuration: Creates an error log; the location is based on the DocumentRoot.
ErrorLog
rpm -qc
/etc/vsftpd
LVM
36. If you want to add an iptables command to forward TCP port 80 traffic to TCP port 3128 - you would use the following:
/var/ftp/pub
filesystem type is not ext2 or ext3
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
htpasswd -c /etc/httpd/webpass e
37. For http - if you implement 'UserDir public_html' - you need to also ____ /home/michael/public_html if you want /home/michael/public_html accessible
var/ftp/pub
fdisk -l
yum install mod_ssl squid
chmod 705
38. It's much more difficult and much more time-consuming to revise partitions with utilities such as ____ or parted after RHEL is installed.
rpm -Va
service vsftpd status
fdisk
e2fsadm
39. 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
mke2fs
fdisk
setsebool -P squid_connect_any 1
htpasswd -c /etc/httpd/webpass e
40. ____ configuration is not available via text mode RHEL installation.
/etc/vsftpd
LVM
rpm -V
/etc/init.d/httpd start
41. Where is the vsftp pub dir?
setup
-l
yum clean all
/var/ftp/pub
42. To list under which run levels the web service will start
iptables -F
chkconfig --list httpd
DocumentRoot
rpm -qc
43. 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
(rpm -q)p file (for rpmfile name)
chkconfig httpd on
tune2fs
ServerTokens
44. Virtual Host Configuration: Specifies an IP address for multiple virtual hosts.
NameVirtualHost
wget (http://devmon.dev.schwab.com/index.html)
dd if=./diskboot.img of=/dev/sdc
5
45. ____ can expand and shrink ext2 and ext3 file systems
resize2fs
ServerAdmin
ErrorLog
e2fsadm
46. ____ is used to modify file system parameters
tune2fs
ssh
chkconfig vsftpd on
rpm -ivh --replacepkgs xxxx*
47. Logical partitions on a hard drive always start with number ____; on the first PATA/IDE hard drive on a PC - that is hda____.
elinks
filesystem type is not ext2 or ext3
5
iptables -F
48. How to disable the firewall on the current system?
/var/ftp/pub
iptables -F
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
fdisk
49. If rhel6 is in the /media directory - where is the XML file on that DVD with a database of packages and package groups?
setup
/media/repodata
iptables -F
setsebool -P squid_connect_any 1
50. The most straightforward way to make sure Apache starts in bootlevels 3 and 5
chkconfig --level 35 httpd on
NameVirtualHost
ErrorLog
chcon -R -t httpd_sys_content_t /home/michael/public_html