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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. Where is the config dir for vsftpd?
resize2fs
/etc/vsftpd
dd if=./diskboot.img of=/dev/sdc
chkconfig --list httpd
2. Use parted to display disk geometry for /dev/hda and end up in shell
-K
parted /dev/hda print
setsebool -P htttpd.enable.homedirs 1
lvextend -L4G /dev/rootvg/tmplv
3. Tthe file that might contain: oldvg - rootvg - etc.
DocumentRoot
/etc/lvmtab
CustomLog
elinks
4. Where is vsftpd.conf?
yum update kernel
/etc/vsftpd
chkconfig --level 35 httpd on
iptables -F
5. I just finished editing my /etc/yum.repos.d/*repo file and want yum to use the new info - so I run ____
grep '[.*]' server1.repo
yum clean all
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
nfs
6. If rhel6 is in the /media directory - where is the XML file on that DVD with a database of packages and package groups?
squid -z
/media/repodata
lvextend -L4G /dev/rootvg/tmplv
rpm -V
7. 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
system-config-firewall
rpm -V zip
select (followed by the device name such as /dev/hdb)
8. How to start the vsftp service?
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
First boot process
/etc/init.d/vsftpd start
iptables
9. ____ prints superblock and block group information.
NameVirtualHost
iptables -F
dumpe2fs
service vsftpd status
10. List sboth the client hostname or IP address and mounted directory in host:dir format. This info should not be considered reliable.
/etc/vsftpd
NameVirtualHost
yum install httpd
showmount -a
11. what port needs to be open to access ftp?
ErrorLog
port 21
rpm -V
yum install httpd
12. To verify integrity of an rpm package - ____/rpm-gpg/RPM-GPG-KEY-redhat-release
var/www/html
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
ErrorLog
service vsftpd status
13. Run the ____ command to find the device associated with the USB key.
fdisk -l
chkconfig vsftpd on
filesystem type is not ext2 or ext3
-i (do not use -U or -F!)
14. '____ /var/www' will tell you the ACL settings of /var/www
lvextend -L4G /dev/rootvg/tmplv
/etc/lvmtab
ls -Z
yum install mod_ssl squid
15. rpm ____ to import the rpm key for integrity checking
setsebool -P htttpd.enable.homedirs 1
yum update kernel
--import file
/etc/init.d/httpd start
16. The most straightforward way to make sure Apache starts in bootlevels 3 and 5
showmount -e
chkconfig --level 35 httpd on
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
yum update kernel
17. _____ will change the size of /dev/rootvg/tmplv to 4 gig
/etc/init.d/httpd restart
lvextend -L4G /dev/rootvg/tmplv
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)
select (followed by the device name such as /dev/hdb)
18. 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
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
NameVirtualHost
-K
lvextend -L4G /dev/rootvg/tmplv
19. What service is allowed through the default firewall?
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
setup
/var/ftp/pub
ssh
20. To select a different device without having to restart parted - use the ____ command . Then - you can view its partition table or configure it.
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)
/etc/init.d/httpd restart
-i
select (followed by the device name such as /dev/hdb)
21. Logical partitions on a hard drive always start with number ____; on the first PATA/IDE hard drive on a PC - that is hda____.
5
/boot
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
nfs
22. To check status of ftp daemon
service vsftpd status
5
/boot
iptables
23. If you configure other directories for Web services - you'll need to change their ACL settings. For example - if you create and then use the /www directory - run the following commands:
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
/etc/vsftpd
dd if=./diskboot.img of=/dev/sdc
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)
24. How to make sure apache starts automatically on next reboot?
setsebool -P squid_connect_any 1
-i (do not use -U or -F!)
-i
chkconfig httpd on
25. This line placed in /etc/hosts.deny denies all services except TFTP to computers in the example.org domain
ServerTokens
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
First boot process
fdisk -l
26. Where is the vsftp pub dir?
resize2fs
/var/ftp/pub
yum install mod_ssl squid
elinks
27. How to start apache service?
rpm -V
ErrorLog
/etc/init.d/httpd start
/etc/vsftpd
28. For http - if you implement 'UserDir public_html' - you need to also ____ /home/michael if you want /home/michael/public_html accessible
NameVirtualHost
/etc/init.d/httpd start
chmod 701
rpm -V
29. If you want to add an iptables command to forward TCP port 80 traffic to TCP port 3128 - you would use the following:
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
chmod 705
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
wget (http://devmon.dev.schwab.com/index.html)
30. Virtual Host Configuration: Specifies an IP address for multiple virtual hosts.
chkconfig httpd on
yum install mod_ssl squid
service vsftpd status
NameVirtualHost
31. 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 ____
elinks
fdisk
rpm -V
htpasswd -c /etc/httpd/webpass e
32. Create a disk label for the partition table called k
AllowOverride
rpm -V zip
parted; mklabel k
resize2fs
33. To install both mod_ssl and squid packages
yum install mod_ssl squid
e2fsadm
grep '[.*]' server1.repo
yum install httpd
34. 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)
/etc/init.d/httpd start
filesystem type is not ext2 or ext3
dd if=./diskboot.img of=/dev/sdc
CustomLog
35. It's much more difficult and much more time-consuming to revise partitions with utilities such as ____ or parted after RHEL is installed.
iptables -F
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
LVM
fdisk
36. rpm options include rpm -q [package name] or rpm -qf [path/file] or rmp -q____
pirut
elinks
setup
(rpm -q)p file (for rpmfile name)
37. The main Squid configuration file is ____/squid.conf
rpm -Va
/etc/squid/
htpasswd -c /etc/httpd/webpass e
chkconfig vsftpd on
38. What parts of rhel6 should be installed to separate volumes?
/media/repodata
5
-l
/ (root) - /boot and linux swap
39. SELinux must be configured to Allow HTTPD To Read Home Directories. (Alternatively - activate the httpd_enable_homedirs boolean with the __ command.)
ErrorLog
resize2fs
dd if=./diskboot.img of=/dev/sdc
setsebool -P htttpd.enable.homedirs 1
40. The rpm ____ option installs the package - if it isn't already installed.
-i (do not use -U or -F!)
-i
DocumentRoot
chkconfig httpd on
41. Create a usb boot disk if the usb stick is /dev/sdc and the file you need is in your present directory
yum install httpd
dd if=./diskboot.img of=/dev/sdc
telnetd : ALL EXCEPT 192.168.1.10
ALL EXCEPT in.tftpd : .example.org (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
42. How to disable the firewall on the current system?
telnetd : ALL EXCEPT 192.168.1.10
iptables -F
elinks
(rpm -q)p file (for rpmfile name)
43. what utility can be used to open port 80?
ServerTokens
system-config-firewall
/etc/squid/
var/www/html
44. ______ will show me volume info including vg - size - etc of /dev/rootvg/tmplv
lvdisplay -D /dev/rootvg/tmplv
yum -y update
chkconfig httpd on
showmount -e
45. After extending file system 'homevol' - unmount it and then run _____ to make the filesystem size match the new larger volume.
resize2fs /dev/myvg/homevol
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
nfs
select (followed by the device name such as /dev/hdb)
46. Perform a simple check of the file system. minor-num is x.
ls -Z
(rpm -q)p file (for rpmfile name)
parted; check x
/etc/vsftpd
47. ____ can expand and shrink ext2 and ext3 file systems
resize2fs
chmod 705
yum install vsftpd
chkconfig --level 35 httpd on
48. ___ http://devmon.dev.schwab.com/index.html will make a local copy of the index.html file from devmon
rpm -ivh --replacepkgs xxxx*
ssh
wget (http://devmon.dev.schwab.com/index.html)
nfs
49. What is the first post installation step?
tune2fs
-i (do not use -U or -F!)
rpm -qc
First boot process
50. Are SELinux and iptables-based firewalls are enabled by default?
nfs
chcon -R -t httpd_sys_content_t /home/michael/public_html
/etc/init.d/httpd start
Yes