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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. 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)
service vsftpd status
CustomLog
-K
Yes
2. How to start apache service?
rpm -Va
DocumentRoot
/etc/init.d/httpd start
yum -y update
3. rpm option to show me the package files
system-config-firewall
squid -z
-l
-K
4. The most straightforward way to make sure Apache starts in bootlevels 3 and 5
chkconfig --level 35 httpd on
chmod 701
parted; check x
setsebool -P htttpd.enable.homedirs 1
5. Where to find the main apache config file?
showmount -a
ServerAdmin
AllowOverride
/etc/httpd/conf/
6. Apache supports security by specifying active ports through the Listen and ____ directives.
NameVirtualHost
/etc/init.d/vsftpd start
wget (http://devmon.dev.schwab.com/index.html)
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
7. When an rpm install fails for xxxx because the same version is already apparently installed - run ____ to just install it all again
yum update kernel
/etc/init.d/httpd start
rpm -ivh --replacepkgs xxxx*
/etc/init.d/httpd restart
8. Are SELinux and iptables-based firewalls are enabled by default?
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
ErrorLog
Yes
e2fsadm
9. Create a usb boot disk if the usb stick is /dev/sdc and the file you need is in your present directory
/etc/squid/
dd if=./diskboot.img of=/dev/sdc
port 21
filesystem type is not ext2 or ext3
10. output from ____ is: Disk /dev/cciss/c0d0: 36.4 GB - 36414750720 bytes... plus listing of partitions - for each physical drive
fdisk -l
(rpm -q)p file (for rpmfile name)
-i (do not use -U or -F!)
yum update kernel
11. The main Squid configuration file is ____/squid.conf
showmount -e
lvdisplay -D /dev/rootvg/tmplv
/etc/squid/
ls -Z
12. What is the standard directory for file sharing with vsFTP?
5
var/ftp/pub
/etc/init.d/httpd start
-i (do not use -U or -F!)
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
/ (root) - /boot and linux swap
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
fdisk -l
yum update kernel
14. 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:
rpm -qc
htpasswd -c /etc/httpd/webpass e
/media/repodata
(rpm -q)p file (for rpmfile name)
15. How to make sure apache starts automatically on next reboot?
wget (http://devmon.dev.schwab.com/index.html)
AllowOverride
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
chkconfig httpd on
16. 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)
rpm -e zip
ServerAdmin
iptables -F
17. 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
setup
/etc/httpd/conf/
NameVirtualHost
18. Where is the config dir for vsftpd?
/etc/vsftpd
/etc/httpd/conf/
dumpe2fs
chmod 701
19. Where is vsftpd.conf?
e2fsadm
ServerName
pirut
/etc/vsftpd
20. What parts of rhel6 should be installed to separate volumes?
rpm -V
/ (root) - /boot and linux swap
yum clean all
ServerAdmin
21. what port needs to be open to access ftp?
--import file
port 21
var/ftp/pub
rpm -Va
22. rpm ____ to import the rpm key for integrity checking
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
--import file
rpm -ivh --replacepkgs xxxx*
port 21
23. 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
chkconfig vsftpd on
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
/etc/lvmtab
-i (do not use -U or -F!)
24. For http - if you implement 'UserDir public_html' - you need to also ____ /home/michael/public_html if you want /home/michael/public_html accessible
--import file
chmod 705
ssh
fdisk -l
25. How to install apache?
yum clean all
NameVirtualHost
yum install httpd
/boot
26. 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
fdisk -l
chmod 705
27. How to install vsftpd?
-l
rpm -V
var/ftp/pub
yum install vsftpd
28. 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
ServerTokens
rpm -V
grep '[.*]' server1.repo
fdisk -l
29. ___ http://devmon.dev.schwab.com/index.html will make a local copy of the index.html file from devmon
ServerAdmin
wget (http://devmon.dev.schwab.com/index.html)
iptables -F
parted; check x
30. To list under which run levels the web service will start
chkconfig --list httpd
yum -y update
/var/ftp/pub
dumpe2fs
31. Virtual Host Configuration: Specifies an IP address for multiple virtual hosts.
NameVirtualHost
fdisk -l
resize2fs /dev/myvg/homevol
showmount -a
32. The rpm ____ option installs the package - if it isn't already installed.
fdisk -l
chcon -R -t httpd_sys_content_t /home/michael/public_html
yum install httpd
-i
33. What is the first post installation step?
First boot process
Yes
filesystem type is not ext2 or ext3
/var/ftp/pub
34. Use parted to display disk geometry for /dev/hda and end up in shell
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
-K
chkconfig vsftpd on
parted /dev/hda print
35. rpm ____ to install kernel updates
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
ssh
-i (do not use -U or -F!)
chcon -R -t httpd_sys_content_t /home/michael/public_html
36. After you edit /etc/exports - run service ___ stop...
setsebool -P squid_connect_any 1
system-config-firewall
nfs
yum install httpd
37. If rhel6 is in the /media directory - where is the XML file on that DVD with a database of packages and package groups?
/boot
/media/repodata
yum -y update
ssh
38. 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
DocumentRoot
nfs
/boot
AllowOverride
39. 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 ____
setsebool -P htttpd.enable.homedirs 1
rpm -e zip
chkconfig httpd on
-K
40. If in doubt about package names - you can find them in the ...
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)
wget (http://devmon.dev.schwab.com/index.html)
ServerTokens
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
41. 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
ssh
chcon -R -t httpd_sys_content_t /home/michael/public_html
setsebool -P squid_connect_any 1
select (followed by the device name such as /dev/hdb)
42. To check status of ftp daemon
ssh
service vsftpd status
lvextend -L4G /dev/rootvg/tmplv
htpasswd -c /etc/httpd/webpass e
43. 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)
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
chcon -R -t httpd_sys_content_t /home/michael/public_html
iptables -F
e2fsadm
44. After extending file system 'homevol' - unmount it and then run _____ to make the filesystem size match the new larger volume.
resize2fs /dev/myvg/homevol
CustomLog
fdisk -l
var/ftp/pub
45. How to disable the firewall on the current system?
iptables -F
parted /dev/hda print
/boot
Yes
46. ____ prints superblock and block group information.
DocumentRoot
/media/repodata
dumpe2fs
showmount -e
47. The simplest way to install Apache
iptables -F
yum install httpd
DocumentRoot
/etc/init.d/httpd restart
48. Tthe file that might contain: oldvg - rootvg - etc.
/etc/lvmtab
chkconfig vsftpd on
-i
rpm -e zip
49. How to start the vsftp service?
/etc/init.d/vsftpd start
/boot
parted; check x
var/ftp/pub
50. rpm options include rpm -q [package name] or rpm -qf [path/file] or rmp -q____
nfs
(rpm -q)p file (for rpmfile name)
lvdisplay -D /dev/rootvg/tmplv
yum install vsftpd