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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. 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
/etc/vsftpd
chcon -R -t httpd_sys_content_t /home/michael/public_html
rpm -ivh --replacepkgs xxxx*
2. For http - if you implement 'UserDir public_html' - you need to also ____ /home/michael if you want /home/michael/public_html accessible
system-config-firewall
chmod 701
/ (root) - /boot and linux swap
setsebool -P htttpd.enable.homedirs 1
3. 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.
NameVirtualHost
yum install httpd
iptables -F
filesystem type is not ext2 or ext3
4. Create a usb boot disk if the usb stick is /dev/sdc and the file you need is in your present directory
dd if=./diskboot.img of=/dev/sdc
rpm -qc
-i (do not use -U or -F!)
chkconfig vsftpd on
5. 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
yum install httpd
CustomLog
/ (root) - /boot and linux swap
setsebool -P squid_connect_any 1
6. ____ can expand and shrink ext2 and ext3 file systems
yum clean all
chkconfig --list httpd
resize2fs
lvextend -L4G /dev/rootvg/tmplv
7. Where to find the main apache config file?
showmount -e
chkconfig vsftpd on
/etc/httpd/conf/
squid -z
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 ____
-i
rpm -e zip
ls -Z
showmount -a
9. 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
NameVirtualHost
-K
chkconfig --level 35 httpd on
10. 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
/etc/lvmtab
ServerTokens
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)
11. Where is vsftpd.conf?
rpm -V
/etc/vsftpd
elinks
dumpe2fs
12. 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
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
select (followed by the device name such as /dev/hdb)
wget (http://devmon.dev.schwab.com/index.html)
13. pam ___ will tell me if any files in the pam package have changed since it was first installed
ServerName
/media/repodata
rpm -V
AllowOverride
14. 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
dumpe2fs
nfs
15. If you want to add an iptables command to forward TCP port 80 traffic to TCP port 3128 - you would use the following:
/etc/vsftpd
yum install vsftpd
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
/etc/vsftpd
16. httpd ___ shows me what config files were installed when the httpd package was installed
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
tune2fs
nfs
rpm -qc
17. To list under which run levels the web service will start
pirut
chkconfig --list httpd
chcon -R -t httpd_sys_content_t /home/michael/public_html
ls -Z
18. For http - if you implement 'UserDir public_html' - you need to also ____ /home/michael/public_html if you want /home/michael/public_html accessible
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
ServerAdmin
parted; check x
chmod 705
19. After you edit /etc/exports - run service ___ stop...
yum clean all
/etc/squid/
nfs
ServerName
20. Virtual Host Configuration: Sets a root directory for the virtual host.
parted; mklabel k
showmount -a
DocumentRoot
pirut
21. Virtual Host Configuration: Names the URL for the virtual host.
fdisk
5
ssh
ServerName
22. How to install apache?
dumpe2fs
yum install httpd
CustomLog
parted /dev/hda print
23. 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
elinks
rpm -e zip
iptables
port 21
24. To check status of ftp daemon
chmod 705
filesystem type is not ext2 or ext3
5
service vsftpd status
25. How to disable the firewall on the current system?
/etc/init.d/httpd start
iptables -F
ls -Z
AllowOverride
26. How do you restart the apache web server?
system-config-firewall
/etc/init.d/httpd restart
/boot
rpm -V zip
27. rpm ____ verifies all installed rpms against the rpm database
/etc/squid/
rpm -Va
htpasswd -c /etc/httpd/webpass e
yum update kernel
28. rpm options include rpm -q [package name] or rpm -qf [path/file] or rmp -q____
(rpm -q)p file (for rpmfile name)
ls -Z
NameVirtualHost
parted; mklabel k
29. Virtual Host Configuration: Assigns an e-mail address for the specified virtual host.
yum update kernel
ServerAdmin
iptables
-l
30. output from ____ is: Disk /dev/cciss/c0d0: 36.4 GB - 36414750720 bytes... plus listing of partitions - for each physical drive
wget (http://devmon.dev.schwab.com/index.html)
filesystem type is not ext2 or ext3
chcon -R -t httpd_sys_content_t /home/michael/public_html
fdisk -l
31. Run the ____ command to find the device associated with the USB key.
telnetd : ALL EXCEPT 192.168.1.10
chmod 701
/etc/vsftpd
fdisk -l
32. To select a different device without having to restart parted - use the ____ command . Then - you can view its partition table or configure it.
yum install mod_ssl squid
select (followed by the device name such as /dev/hdb)
NameVirtualHost
parted /dev/hda print
33. rpm option to show me the package files
-l
-i
rpm -Va
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
34. If in doubt about package names - you can find them in the ...
mke2fs
/media/repodata
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)
chmod 701
35. Perform a simple check of the file system. minor-num is x.
yum install httpd
parted; check x
chkconfig --level 35 httpd on
mke2fs
36. what utility can be used to open port 80?
var/ftp/pub
dumpe2fs
iptables
system-config-firewall
37. Where is the config dir for vsftpd?
iptables
/etc/vsftpd
var/www/html
/etc/init.d/vsftpd start
38. 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.
dd if=./diskboot.img of=/dev/sdc
parted; mklabel k
rpm -V
chkconfig --level 35 httpd on
39. How to start apache service?
/etc/init.d/httpd start
yum update kernel
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
nfs
40. httpd ___ to update the httpd package - automatically answering yes to all the questions
yum -y update
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)
lvextend -L4G /dev/rootvg/tmplv
fdisk
41. How to start the vsftp service?
-l
/etc/init.d/vsftpd start
setsebool -P squid_connect_any 1
/etc/vsftpd
42. '____ /var/www' will tell you the ACL settings of /var/www
iptables
ls -Z
e2fsadm
/etc/vsftpd
43. ___ http://devmon.dev.schwab.com/index.html will make a local copy of the index.html file from devmon
/etc/init.d/httpd restart
parted /dev/hda print
wget (http://devmon.dev.schwab.com/index.html)
/media/repodata
44. List sboth the client hostname or IP address and mounted directory in host:dir format. This info should not be considered reliable.
chkconfig vsftpd on
mke2fs
showmount -a
wget (http://devmon.dev.schwab.com/index.html)
45. The most straightforward way to make sure Apache starts in bootlevels 3 and 5
rpm -ivh --replacepkgs xxxx*
chkconfig --level 35 httpd on
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
iptables
46. 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
iptables -F
resize2fs
showmount -e
47. rpm ____ to import the rpm key for integrity checking
--import file
yum install httpd
fdisk -l
chmod 701
48. You can use the ____ tool after installation to add any package groups that you missed.
service vsftpd status
showmount -e
pirut
fdisk -l
49. It's much more difficult and much more time-consuming to revise partitions with utilities such as ____ or parted after RHEL is installed.
fdisk
/etc/init.d/httpd restart
/var/ftp/pub
telnetd : ALL EXCEPT 192.168.1.10
50. To install both mod_ssl and squid packages
(rpm -q)p file (for rpmfile name)
ErrorLog
-K
yum install mod_ssl squid