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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. 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
/var/ftp/pub
rpm -V
iptables
2. ____ is used for creating ext2 and ext3 file systems
wget (http://devmon.dev.schwab.com/index.html)
mke2fs
var/www/html
system-config-firewall
3. 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
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)
setsebool -P squid_connect_any 1
ServerAdmin
port 21
4. The most straightforward way to make sure Apache starts in bootlevels 3 and 5
chkconfig --level 35 httpd on
select (followed by the device name such as /dev/hdb)
--import file
DocumentRoot
5. ____ can expand and shrink ext2 and ext3 file systems
-l
yum install vsftpd
resize2fs
chmod 701
6. To verify integrity of an rpm package - ____/rpm-gpg/RPM-GPG-KEY-redhat-release
parted; mklabel k
chkconfig httpd on
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
rpm -V
7. 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:
showmount -e
/etc/vsftpd
ls -Z
telnetd : ALL EXCEPT 192.168.1.10
8. Where to find the main apache config file?
/etc/init.d/httpd restart
/etc/httpd/conf/
telnetd : ALL EXCEPT 192.168.1.10
parted; check x
9. What command starts the same menu as the text-mode First Boot process?
CustomLog
pirut
-i
setup
10. _____ will change the size of /dev/rootvg/tmplv to 4 gig
lvextend -L4G /dev/rootvg/tmplv
fdisk -l
var/www/html
parted /dev/hda print
11. Virtual Host Configuration: Creates an error log; the location is based on the DocumentRoot.
iptables -F
LVM
ErrorLog
yum clean all
12. ____ prints superblock and block group information.
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
/etc/squid/
/etc/vsftpd
dumpe2fs
13. After extending file system 'homevol' - unmount it and then run _____ to make the filesystem size match the new larger volume.
ServerAdmin
5
rpm -e zip
resize2fs /dev/myvg/homevol
14. SELinux must be configured to Allow HTTPD To Read Home Directories. (Alternatively - activate the httpd_enable_homedirs boolean with the __ command.)
rpm -V zip
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
setsebool -P htttpd.enable.homedirs 1
CustomLog
15. Create the basic cache directories in /var/spool/squid with the following command:
setsebool -P squid_connect_any 1
dumpe2fs
squid -z
5
16. This line placed in /etc/hosts.deny denies all services except TFTP to computers in the example.org domain
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
dd if=./diskboot.img of=/dev/sdc
nfs
lvdisplay -D /dev/rootvg/tmplv
17. To list under which run levels the web service will start
rpm -e zip
chkconfig --list httpd
yum -y update
rpm -qc
18. 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:
/etc/init.d/httpd restart
htpasswd -c /etc/httpd/webpass e
/etc/lvmtab
AllowOverride
19. It's much more difficult and much more time-consuming to revise partitions with utilities such as ____ or parted after RHEL is installed.
fdisk
squid -z
yum -y update
yum install mod_ssl squid
20. What parts of rhel6 should be installed to separate volumes?
iptables
/ (root) - /boot and linux swap
rpm -V
ls -Z
21. What is the standard directory for file sharing with vsFTP?
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
/etc/init.d/httpd start
var/ftp/pub
rpm -qc
22. Where is the main apache data directory?
var/www/html
ServerTokens
yum update kernel
yum install httpd
23. I ran 'e2label /dev/sda' and got 'bad magic number' Why?
/etc/lvmtab
rpm -e zip
filesystem type is not ext2 or ext3
tune2fs
24. List sboth the client hostname or IP address and mounted directory in host:dir format. This info should not be considered reliable.
-K
/etc/init.d/httpd restart
showmount -a
First boot process
25. 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
resize2fs
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
dumpe2fs
yum update kernel
26. httpd ___ shows me what config files were installed when the httpd package was installed
-i (do not use -U or -F!)
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
showmount -e
rpm -qc
27. 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)
/etc/httpd/conf/
e2fsadm
yum update kernel
telnetd : ALL EXCEPT 192.168.1.10
28. After you edit /etc/exports - run service ___ stop...
ssh
nfs
var/ftp/pub
/ (root) - /boot and linux swap
29. What service is allowed through the default firewall?
(rpm -q)p file (for rpmfile name)
rpm -ivh --replacepkgs xxxx*
ssh
chkconfig --level 35 httpd on
30. httpd ___ to update the httpd package - automatically answering yes to all the questions
/etc/init.d/httpd restart
showmount -e
yum -y update
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
31. ____ is used to modify file system parameters
filesystem type is not ext2 or ext3
nfs
NameVirtualHost
tune2fs
32. 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
CustomLog
chmod 701
ServerTokens
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
33. What is the first post installation step?
Yes
resize2fs
ServerName
First boot process
34. Apache supports security by specifying active ports through the Listen and ____ directives.
/etc/init.d/httpd restart
NameVirtualHost
service vsftpd status
CustomLog
35. To select a different device without having to restart parted - use the ____ command . Then - you can view its partition table or configure it.
resize2fs /dev/myvg/homevol
yum install httpd
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
select (followed by the device name such as /dev/hdb)
36. Run the ____ command to find the device associated with the USB key.
fdisk -l
showmount -e
/etc/lvmtab
select (followed by the device name such as /dev/hdb)
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.
/ (root) - /boot and linux swap
iptables -F
/etc/vsftpd
ServerAdmin
38. Logical partitions on a hard drive always start with number ____; on the first PATA/IDE hard drive on a PC - that is hda____.
service vsftpd status
fdisk
5
e2fsadm
39. For http - if you implement 'UserDir public_html' - you need to also ____ /home/michael if you want /home/michael/public_html accessible
yum install vsftpd
/etc/init.d/httpd restart
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
chmod 701
40. How to make sure apache starts automatically on next reboot?
ErrorLog
chkconfig httpd on
select (followed by the device name such as /dev/hdb)
yum install httpd
41. How to start the vsftp service?
chmod 705
yum -y update
/etc/init.d/vsftpd start
squid -z
42. For http - if you implement 'UserDir public_html' - you need to also ____ /home/michael/public_html if you want /home/michael/public_html accessible
chmod 705
yum install vsftpd
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
var/www/html
43. How to install vsftpd?
yum install mod_ssl squid
yum install vsftpd
dd if=./diskboot.img of=/dev/sdc
fdisk -l
44. 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 ____
parted; check x
mke2fs
filesystem type is not ext2 or ext3
rpm -e zip
45. rpm ____ to install kernel updates
-i (do not use -U or -F!)
--import file
chmod 701
/boot
46. Where is vsftpd.conf?
/etc/vsftpd
-i (do not use -U or -F!)
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
chkconfig vsftpd on
47. How to disable the firewall on the current system?
iptables -F
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
chcon -R -t httpd_sys_content_t /home/michael/public_html
rpm -e zip
48. If in doubt about package names - you can find them in the ...
nfs
filesystem type is not ext2 or ext3
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)
rpm -e zip
49. You can use the ____ tool after installation to add any package groups that you missed.
ServerTokens
LVM
pirut
telnetd : ALL EXCEPT 192.168.1.10
50. 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)
CustomLog
/etc/init.d/httpd restart
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)
iptables -F