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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. For http - if you implement 'UserDir public_html' - you need to also ____ /home/michael if you want /home/michael/public_html accessible
yum -y update
/etc/init.d/httpd start
ssh
chmod 701
2. ____ configuration is not available via text mode RHEL installation.
iptables -F
rpm -V
LVM
elinks
3. What command starts the same menu as the text-mode First Boot process?
setup
port 21
chcon -R -t httpd_sys_content_t /home/michael/public_html
e2fsadm
4. 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 ____
ServerName
elinks
parted; mklabel k
resize2fs /dev/myvg/homevol
5. SELinux must be configured to Allow HTTPD To Read Home Directories. (Alternatively - activate the httpd_enable_homedirs boolean with the __ command.)
port 21
select (followed by the device name such as /dev/hdb)
showmount -e
setsebool -P htttpd.enable.homedirs 1
6. Virtual Host Configuration: Names the URL for the virtual host.
rpm -V
ServerName
yum install vsftpd
/etc/init.d/httpd start
7. If you want to add an iptables command to forward TCP port 80 traffic to TCP port 3128 - you would use the following:
fdisk -l
rpm -ivh --replacepkgs xxxx*
/etc/squid/
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
8. 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
chkconfig --level 35 httpd on
ServerTokens
-l
fdisk -l
9. 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.
setup
setsebool -P squid_connect_any 1
rpm -V
chkconfig --level 35 httpd on
10. If rhel6 is in the /media directory - where is the XML file on that DVD with a database of packages and package groups?
/media/repodata
AllowOverride
parted; check x
fdisk -l
11. How to install apache?
yum install httpd
LVM
chmod 705
lvextend -L4G /dev/rootvg/tmplv
12. Where to find the main apache config file?
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
select (followed by the device name such as /dev/hdb)
-i (do not use -U or -F!)
/etc/httpd/conf/
13. 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
yum install httpd
showmount -e
dd if=./diskboot.img of=/dev/sdc
yum update kernel
14. Where is vsftpd.conf?
yum install vsftpd
dd if=./diskboot.img of=/dev/sdc
/etc/vsftpd
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
15. rpm ____ to import the rpm key for integrity checking
yum install httpd
--import file
resize2fs /dev/myvg/homevol
ServerTokens
16. How to start the vsftp service?
-l
/etc/init.d/vsftpd start
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
showmount -a
17. To list under which run levels the web service will start
/etc/vsftpd
yum install httpd
var/www/html
chkconfig --list httpd
18. It's much more difficult and much more time-consuming to revise partitions with utilities such as ____ or parted after RHEL is installed.
/boot
fdisk
nfs
/var/ftp/pub
19. ____ is used to modify file system parameters
chmod 705
tune2fs
dumpe2fs
squid -z
20. Use parted to display disk geometry for /dev/hda and end up in shell
resize2fs
yum install mod_ssl squid
parted; mklabel k
parted /dev/hda print
21. How do you restart the apache web server?
resize2fs
CustomLog
yum update kernel
/etc/init.d/httpd restart
22. pam ___ will tell me if any files in the pam package have changed since it was first installed
chkconfig --level 35 httpd on
rpm -V
tune2fs
/boot
23. Create a disk label for the partition table called k
iptables -F
wget (http://devmon.dev.schwab.com/index.html)
parted; mklabel k
rpm -Va
24. rpm options include rpm -q [package name] or rpm -qf [path/file] or rmp -q____
yum install httpd
(rpm -q)p file (for rpmfile name)
setsebool -P htttpd.enable.homedirs 1
yum install vsftpd
25. How to start apache service?
--import file
NameVirtualHost
/etc/init.d/httpd start
/etc/httpd/conf/
26. Virtual Host Configuration: Sets a root directory for the virtual host.
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
e2fsadm
DocumentRoot
27. 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
/etc/httpd/conf/
yum install mod_ssl squid
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
iptables
28. The most straightforward way to make sure Apache starts in bootlevels 3 and 5
yum -y update
parted; mklabel k
ls -Z
chkconfig --level 35 httpd on
29. httpd ___ to update the httpd package - automatically answering yes to all the questions
yum -y update
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
/ (root) - /boot and linux swap
system-config-firewall
30. Where is the main apache data directory?
var/www/html
rpm -V zip
/etc/httpd/conf/
/etc/init.d/httpd start
31. 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
rpm -ivh --replacepkgs xxxx*
setsebool -P squid_connect_any 1
iptables -F
fdisk -l
32. what utility can be used to open port 80?
First boot process
resize2fs
system-config-firewall
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
33. 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
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
yum install httpd
-l
34. rpm ____ verifies the installed zip rpm against the rpm database
rpm -V zip
rpm -V
tune2fs
dumpe2fs
35. Perform a simple check of the file system. minor-num is x.
lvextend -L4G /dev/rootvg/tmplv
/etc/init.d/vsftpd start
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
parted; check x
36. 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
pirut
iptables -F
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)
37. 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:
parted /dev/hda print
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
showmount -e
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
38. Virtual Host Configuration: Creates an error log; the location is based on the DocumentRoot.
parted; check x
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
/etc/init.d/httpd restart
ErrorLog
39. ____ is used for creating ext2 and ext3 file systems
mke2fs
rpm -Va
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
ServerAdmin
40. 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
iptables
ls -Z
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
fdisk -l
41. 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)
ServerName
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
yum install httpd
42. When an rpm install fails for xxxx because the same version is already apparently installed - run ____ to just install it all again
/etc/init.d/httpd restart
LVM
rpm -ivh --replacepkgs xxxx*
port 21
43. To verify integrity of an rpm package - ____/rpm-gpg/RPM-GPG-KEY-redhat-release
chmod 701
iptables -F
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
resize2fs /dev/myvg/homevol
44. How to make sure apache starts automatically on next reboot?
lvdisplay -D /dev/rootvg/tmplv
wget (http://devmon.dev.schwab.com/index.html)
ServerAdmin
chkconfig httpd on
45. ___ http://devmon.dev.schwab.com/index.html will make a local copy of the index.html file from devmon
yum install httpd
wget (http://devmon.dev.schwab.com/index.html)
yum update kernel
rpm -qc
46. How to disable the firewall on the current system?
fdisk -l
iptables -F
ErrorLog
parted; mklabel k
47. What parts of rhel6 should be installed to separate volumes?
yum clean all
rpm -e zip
filesystem type is not ext2 or ext3
/ (root) - /boot and linux swap
48. Where is the vsftp pub dir?
var/ftp/pub
rpm -ivh --replacepkgs xxxx*
iptables -F
/var/ftp/pub
49. ____ prints superblock and block group information.
/etc/lvmtab
iptables -F
rpm -V
dumpe2fs
50. rpm ____ to install kernel updates
-i (do not use -U or -F!)
yum install httpd
fdisk -l
chkconfig --list httpd