SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
Test your basic knowledge |
Redhat Linux Administration
Start Test
Study First
Subject
:
it-skills
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. how to install both mod_ssl and squid packages
fdisk -l
fdisk -l
yum install mod_ssl squid
rpm -V zip
2. 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 - and PHP. Sharing this
fdisk -l
ServerTokens OS from http.conf
CustomLog
(rpm -q)p file (for rpmfile name)
3. Virtual Host Configuration: Specifies an IP address for multiple virtual hosts.
NameVirtualHost
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
mke2fs
pirut
4. after you edit /etc/exports - run service ___ stop...
/boot
ErrorLog
nfs
hkconfig --list httpd
5. To verify integrity of an rpm package - ____/rpm-gpg/RPM-GPG-KEY-redhat-release
yum install httpd
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
filesystem type is not ext2 or ext3
squid -z
6. You can use the ____ tool after installation to add any package groups that you missed.
showmount -e
filesystem type is not ext2 or ext3
LVM
pirut
7. ____ configuration is not available via text mode RHEL installation.
--import file
filesystem type is not ext2 or ext3
-i (do not use -U or -F!)
LVM
8. 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:
e2fsadm
lvextend -L4G /dev/rootvg/tmplv
setsebool -P squid_connect_any 1
htpasswd -c /etc/httpd/webpass e
9. Virtual Host Configuration: Assigns an e-mail address for the specified virtual host.
telnetd : ALL EXCEPT 192.168.1.10
example
rpm -V pam
ServerAdmin
10. rpm ____ [name of package] to verify the package - once you have manually imported the key
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-ports 3128
-K
/etc/lvmtab
setsebool -P squid_connect_any 1
11. for http - if you implement "UserDir public_html" - you need to also ____ /home/michael if you want /home/michael/public_html accessible
parted; check x
-i
chmod 701
yum -y update httpd
12. output from ____ is: Disk /dev/cciss/c0d0: 36.4 GB - 36414750720 bytes... plus listing of partitions - for each physical drive
yum update kernel
ls -Z
fdisk -l
NameVirtualHost
13. rpm options include rpm -q [package name] or rpm -qf [path/file] or rmp -q____
chcon -R -t httpd_sys_content_t /home/michael/public_html
nfs
(rpm -q)p file (for rpmfile name)
yum install mod_ssl squid
14. Create a disk label for the partition table called k
arted; mklabel k
yum install httpd
pirut
grep "[.*]" server1.repo
15. rpm ____ verifies all installed rpms against the rpm database
-i
showmount -a
rpm -Va
yum update kernel
16. To check status of ftp daemon
rpm -Va
service vsftpd status
ls -Z
setsebool -P squid_connect_any 1
17. use parted to display disk geometry for /dev/hda and end up in shell
telnetd : ALL EXCEPT 192.168.1.10
-K
resize2fs
parted /dev/hda print
18. You ran "e2label /dev/sda" and got "bad magic number" Why?
yum -y update httpd
filesystem type is not ext2 or ext3
select (followed by the device name such as /dev/hdb)
showmount -e
19. ___________ can be on a RAID device
fdisk -l
DocumentRoot
rpm -ivh --replacepkgs xxxx*
bootable partitions
20. ___ to update the httpd package - automatically answering yes to all the questions
yum -y update httpd
setsebool -P squid_connect_any 1
-i
iptables
21. SELinux must be configured to Allow HTTPD To Read Home Directories. (Alternatively - activate the httpd_enable_homedirs boolean with the __ command.)
rpm -qc httpd
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)
setsebool -P htttpd.enable.homedirs 1
22. You just finished editing your /etc/yum.repos.d/*repo file and want yum to use the new info - so you run ____
rpm --import /etc/pki(/rpm-gpg/RPM-GPG-KEY-redhat-release)
-l
yum clean all
/boot
23. ____.com - ____.net - and ____.org domains are generic domain names that can't be assigned on the Internet. You can therefore use any of these domain names on your private network.
iptables -F
telnetd : .crack.org : twist /bin/echo Sorry %c - access denied (http://books24x7.com/viewer.asp?bookid=18196&chunkid=908275044)
rpm -V
example
24. 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 update kernel
ServerTokens OS from http.conf
-l
telnetd : ALL EXCEPT 192.168.1.10
25. 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 ____
setsebool -P htttpd.enable.homedirs 1
resize2fs
ok
elinks
26. Virtual Host Configuration: Sets a root directory for the virtual host.
grep "[.*]" server1.repo
iptables -F
DocumentRoot
-K
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
iptables
chcon -R -u system_u /www/; chcon -R -t httpd_sys_content_t /www/
NameVirtualHost
/boot
28. 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 -Va
resize2fs
yum clean all
setsebool -P squid_connect_any 1
29. 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
ErrorLog
yum install mod_ssl squid
/etc/squid/
30. The main Squid configuration file is ____/squid.conf
(rpm -q)p file (for rpmfile name)
service vsftpd status
AllowOverride
/etc/squid/
31. for http - if you implement "UserDir public_html" - you need to also ____ /home/michael/public_html if you want /home/michael/public_html accessible
showmount -e
squid -z
arted; mklabel k
chmod 705
32. ____ is used to modify file system parameters
showmount -a
/etc/squid/
tune2fs
lvextend -L4G /dev/rootvg/tmplv
33. To list under which run levels the web service will start
chmod 705
rpm -qc httpd
hkconfig --list httpd
5
34. when an rpm install fails for xxxx because the same version is already apparently installed - run ____ to just install it all again
ok
CustomLog
yum clean all
rpm -ivh --replacepkgs xxxx*
35. Perform a simple check of the file system. minor-num is x.
parted; check x
wget (http://devmon.dev.schwab.com/index.html)
ServerName
chkconfig --level 35 httpd on
36. 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
fdisk
select (followed by the device name such as /dev/hdb)
dd if=./diskboot.img of=/dev/sdc
37. ____ is used for creating ext2 and ext3 file systems
mke2fs
5
filesystem type is not ext2 or ext3
fdisk
38. create the basic cache directories in /var/spool/squid with the following command:
lvdisplay -D /dev/rootvg/tmplv
ServerName
squid -z
e2fsadm
39. use grep to count how many repositories have been configured in the file server1.repo
mke2fs
grep "[.*]" server1.repo
DocumentRoot
showmount -e
40. 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/squid/
example
e2fsadm
--import file
41. ;'___ /var/www' will tell you the ACL settings of /var/www
rpm -V zip
CustomLog
NameVirtualHost
ls -Z
42. ___ will tell me if any files in the pam package have changed since it was first installed
fdisk -l
-K
rpm -V pam
bootable partitions
43. 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
LVM
telnetd : ALL EXCEPT 192.168.1.10
5
grep "[.*]" server1.repo
44. Run the ____ command to find the device associated with the USB key.
fdisk -l
iptables
-l
ServerAdmin
45. Apache supports security by specifying active ports through the Listen and ____ directives.
/etc/squid/
squid -z
NameVirtualHost
iptables -F
46. Virtual Host Configuration: Creates an error log; the location is based on the DocumentRoot.
fdisk -l
ls -Z
ErrorLog
5
47. ____ prints superblock and block group information.
-l
example
select (followed by the device name such as /dev/hdb)
dumpe2fs
48. The rpm ____ option installs the package - if it isn't already installed.
showmount -e
-i
iptables
resize2fs
49. ______ will show me volume info including vg - size - etc of /dev/rootvg/tmplv
dumpe2fs
-l
rpm -V pam
lvdisplay -D /dev/rootvg/tmplv
50. To select a different device without having to restart parted - use the ____ command . Then - you can view its partition table or configure it.
nfs
hkconfig --list httpd
fdisk
select (followed by the device name such as /dev/hdb)