Certified Linux Administrator SUSE 11

Question 1 of 70

1

Which user authentication methods can be used with SLES 10? (Choose 4)

Select one or more of the following:

NIS
WEP
SSH
PAM
LDAP
Handshake
Windows Domain
Local (/etc/passwd)

Explanation

Question 2 of 70

1

Which statements about partitions are correct? (Choose 3)

Select one or more of the following:

Extended partitions can be subdivided into logical partitions.
A primary partition consists of a continuous range of cylinders
Logical partitions do not require entries in the main partition table
If you use only primary partitions, you are limited to eight partitions per disk
SUSE Linux Enterprise Server 10 can only be installed on a primary partition.
To install more than one operating system on a partition, the partition has to include the entire cylinder range

Explanation

Question 3 of 70

1

You want to copy the master boot record, the partitoin table, and the 2 magic bytes at the beginning of /dev/had to a file so you can restore it later. Which command accomplishes this?

Select one of the following:

dd if=/dev/hda of=mbr bs=512 count=1
dd if=mbr of=/dev/hda bs=512 count=1
dd of=/dev/zero if=/dev/hda bs=512 count=1
dd if=/dev/urandom of=/dev/hda bs=512 count=1

Explanation

Question 4 of 70

1

The /etc/sysconfig/network/ifcfg-eth-id-macaddress configuration file contains a BOOTPRO option. Which are possible values of BOOTPRO?

Select one of the following:

Static or dhcp
Master or slave
Onboot, ifpluged, or manual
ethernet, wireless, or manual

Explanation

Question 5 of 70

1

From command mode in vi, what do you have to do to enter text?

Select one of the following:

Press e
Press i
Press k
Press w

Explanation

Question 6 of 70

1

Which statement about symmetric encryption is correct?

Select one of the following:

The same key is used for encryption and decryption
Symmetric keys are generally longer than asymmetric keys
Asymmetric encryption is generally faster than symmetric encryption.
A public key and a private key are needed for symmetric encryption/decryption.

Explanation

Question 7 of 70

1

After the partittions are checked and the root file system is mounted, the /sbin/init command is executed. Which process ID is assigned to /sbin/init?

Select one of the following:

0
1
3
100
1000
Depends

Explanation

Question 8 of 70

1

When you connect to an ssh server with your ssh client, the public key of the server is compared to the keys stored in a file on the client computer. Which file is this?

Select one of the following:

~/.ssh/id_dsa.pub
~/.ssh/id_rsa.pub
~/.ssh/know_hosts
~/.ssh/authorized_keys

Explanation

Question 9 of 70

1

You want to install the xyz-software-1.2.3-5.i586.rpm package, but only if a previous versoin is already installed. Which command will do this?

Select one of the following:

rpm -ivh xyz-software-1.2.3-5.i586.rpm
rpm -evh xyz-software-1.2.3-5.i586.rpm
rpm -Fvh xyz-software-1.2.3-5.i586.rpm
rpm -Uvh xyz-software-1.2.3-5.i586.rpm

Explanation

Question 10 of 70

1

Which commands can be used if you do not find the desired information in a manual page, or find no manual page at all for a program?

Select one of the following:

sos program
info program
help program
wiki program

Explanation

Question 11 of 70

1

Which statements about PAM are correct? (Choose 3)

Select one or more of the following:

To enable authentication whit PAM, you need a smart cart reader
Each line a PAM configuration file contains 6 columns plus optional arguments
Configuration files of PAM modules can be found in /etc/pam.d/ and /etc/security/.
After the PAM configuration has been adjusted for an application, this application can be used by SSH
The /etc/pam.d/other file contains a default configuration if no application-specific file is found in /etc/pam.d/
PAM creates a software level with defined interfaces between applications and the current authentication mechanism

Explanation

Question 12 of 70

1

What is the difference between the /dev/st0 and /dev/nst0 devices?

Select one of the following:

/dev/st0 is the firts SCSI CD burner; /dev/nst0 refers to the CDROM drive
/dev/st0 is the firts tape drive; /dev/nst0 refers to the same tape drive in non-rewinding mode
/dev/st0 is the firts serial console; /dev/nst0 refers to the same serial console as a block device
/dev/st0 is the firts SCSI hard drive; /dev/nst0 refers to the same SCSI hard drive in read-only mode.

Explanation

Question 13 of 70

1

How do you create a file called destination containing the same ACLs currently set for the file called source?

Select one of the following:

getfacl source > destination
getfacl -c source destination
getfacl source | cp destination
getfacl -x source > destination

Explanation

Question 14 of 70

1

From the command line, which command would you use to print the document.ps file on the laser printer?

Select one of the following:

lp -d laser document.ps
lpr -p laser document.ps
lpq -p laser document.ps
print -p laser document.ps

Explanation

Question 15 of 70

1

You want to find out it file from the wget package were altered since they were installed. Which command will give you this information?

Select one of the following:

rpm -V wget
rpm -v wget
rpm -F wget
rpm -qf wget

Explanation

Question 16 of 70

1

In which file is the same resolution configured?

Select one of the following:

/etc/dns.conf
/etc/resolv.conf
/etc/HOSTNAME
/etc/nameservers
/etc/sysconfig/network/dns

Explanation

Question 17 of 70

1

Which command can you use to set up limits for failed logins?

Select one of the following:

w
who
last
failog
lastlog

Explanation

Question 18 of 70

1

Which file system type supports ACLs without a special mount option?

Select one of the following:

ext2
ext3
XFS
ReiserFS

Explanation

Question 19 of 70

1

Which statement about the /sbin/ldconfig command is correct?

Select one of the following:

The ldconfig command is used to the link directories.
The ldconfig command is used to configure an LDAP connection
The ldconfig command is used to update the software library cache
The ldconfig command is used to show dynamic libraries needed by a program.

Explanation

Question 20 of 70

1

Which command displays information about your hard drive and lets you manage certain hard drive parameters?

Select one of the following:

siga
sitar
fdisk
lspci
iostat
hwinfo
hdparm

Explanation

Question 21 of 70

1

Which file can be used to send a message to users logging in on a text console?

Select one of the following:

/etc/net
/etc/motd
/etc/messages
/var/log/messages

Explanation

Question 22 of 70

1

What is the correct syntax for mounting the second partition of the firts SCSI hard disk?

Select one of the following:

mount /mnt /dev/hda2
mount /dev/hda2 /mnt
mount /dev/sdb1 /mnt
mount /mnt /dev/sdb1 /mnt
mount /dev/sda2 /mnt
mount /mnt /dev/sda2

Explanation

Question 23 of 70

1

Using the rsync command, you want to mirror the directories, including any hidden files and directories within /home (not the /home directory itself) to the /backup directory. Which command accomplishes this?

Select one of the following:

rsync -a /home /backup
rsync -a /home/ /backup
rsync -a /home/* /backup
rsync -a /home/? /backup

Explanation

Question 24 of 70

1

How do you start a YaST module (for instance, the sw_single module used to install software) directly from the command line? (Choose 2.)

Select one or more of the following:

yast sw_single
yast2 sw_single
yast2 -m sw_single
yast --start sw_single
yast2 --module sw_single

Explanation

Question 25 of 70

1

You want to add user tux to the southpole group without changing his primary group membership. Which command do you user for this purpose?

Select one of the following:

useradd -g southpole tux
usermod -g southpole tux
groupadd -A tux southpole
groupmod -A tux southpole

Explanation

Question 26 of 70

1

Which file contains information about which user was last logged in, where the user logged in, and how long the user was logged in?

Select one of the following:

/var/log/login
/var/log/lastlog
/var/log/access
/var/log/messages
There is no log file containing this information

Explanation

Question 27 of 70

1

You entered your quota information in /etc/fstab. What do you have to do next?

Select one of the following:

Generate a quota report
Initialize the quota system
Configure limits for users and groups
Remount the file system for the quotas to be defined.

Explanation

Question 28 of 70

1

While the printers seem physically okay, you are encountering problems with CUPS. What is the best place to start looking for hints on what is wrong?

Select one of the following:

In the output of dmesg
In the /var/log/boot.msg file
In the /var/log/messages file
In the /var/log/cups/error_log file

Explanation

Question 29 of 70

1

What does the following command do? tar -czvf /tmp/backup.tgz /etc/HOSTNAME

Select one of the following:

It extracts the /etc/HOSTNAME file from the /tmp/backup.tgz archive
It includes the /etc/HOSTNAME file in the newly created /tmp/backup.tgz archive
It produces an error message because the options are in the wrong sequence.
It displays a line similar to the following, but otherwise does nothing: -rw-r--r-- root/root 23 2005-03-11 14:20 etc/HOSTNAME

Explanation

Question 30 of 70

1

You have a text file that contains empty lines. Using grep and regular expressions, which command displays the file without the empty lines?

Select one of the following:

grep ^$ file
grep [\] file
grep -v ^$ file
grep -v #$ file

Explanation

Question 31 of 70

1

Which statement regarding symbolic links is true? (Choose 2)

Select one or more of the following:

A symbolic link can point to a file on a different file system
A symbolic link and the file it points to share the same inode
If you delete the symbolic link, the original file is deleted as well
If you delete the original file, the symbolic link points to a non-existing file
With a symbolic link, you cannot see directly that is a link.

Explanation

Question 32 of 70

1

Which statement about the sudo command is correct?

Select one of the following:

You can edit the sudo configuration file /etc/sudo.conf directly with vi.
You can edit the su configuration file /etc/su.conf with the sudo command.
You can edit the sudo configuration file /etc/sudoers with the visudo command.
You can edit the sudo configuration file /etc/visudo with the sudoers command

Explanation

Question 33 of 70

1

What is the same of the file containing the initramfs?

Select one of the following:

/
/boot/initrd
/boot/ramfs
/sbin/vmram
/boot/vmram
/sbin/linuxramfs

Explanation

Question 34 of 70

1

You would like to run command2 only if command1 did not complete successfully. Which command accomplishes this task?

Select one of the following:

command1 ;; command2
command1 || command2
command1 >> command2
command1 && command2

Explanation

Question 35 of 70

1

You want to secure a POP3 connection to a server that does not support SSL. While you do not have ssh access to the POP3 server itself, you at least have SSH access to a server near the POP3 server. Given following information:

POP3 server: pop3.digitalairlines.com
SSH server: ssh.digitalairlines.com
Your host: da10.digitalairlines.com
POP3 port: 110
Local port: 11110
Which command will forward connections from the local port 11110 to port 110 of the POP3 server, using a secure tunnel between your host and the SSH server?

Select one of the following:

ssh -L 11110:ssh.digitalairlines.com:110 geeko@pop3.digitalairlines.com
ssh -L 110:ssh.digitalairlines.com:11110 geeko@pop3.digitalairlines.com
ssh -L 11110:pop3.digitalairlines.com:110 geeko@ssh.digitalairlines.com
ssh -L 110:op3.digitalairlines.com:11110 geeko@ssh.digitalairlines.com

Explanation

Question 36 of 70

1

Which command is used to enter or change the quota for user tux?

Select one of the following:

quotacheck
repquota tux
edquota -u tux
edquota -g tux
/sbin/quotaon tux

Explanation

Question 37 of 70

1

Which statements about the Linux boot process are correct? (Choose 3)

Select one or more of the following:

The BIOS starts the kernel
The initrd decompresses itself
The kernel looks for and mounts the initrd
The boot manager starts the init process.
linuxrc loads the modules to mount the root file system.
The boot manager loads the kernel and initrd into the memory

Explanation

Question 38 of 70

1

Which group name is stored in /etc/passwd?

Select one of the following:

Primary group
Effective group
Secondary group
No group name is stored there

Explanation

Question 39 of 70

1

The GRUB configuration file (/boot/grub/menu.lst) has a global section followed by sections for each operating system. Which options do you have to specify for each Linux operating system? (Choose 3)

Select one or more of the following:

title
color
initrd
kernel
timeout
gfxmenu
message

Explanation

Question 40 of 70

1

You want to use the ip command to set a new address for you network device eth0. It is a standard class C network. The broadcast address and network route should be set accordingly. Which command is correct?

Select one of the following:

ip address set 192.168.0.10/24 dev eth0
ip address add 192.168.0.10/24 dev eth0
ip addr add 192.168.0.10/24 dev eth0 brd +
ip addr add eth0 192.168.0.10/24 eth0 broadcast 192.168.255.255

Explanation

Question 41 of 70

1

Which command can you use to generate an MDS-encrypted password for GRUB?

Select one of the following:

genkey --md5
grubpass -md5
grub-md5-crypt
passwd -c --md5

Explanation

Question 42 of 70

1

The /backup/snapshot was changed to the /backup/backup_monday.tgz archive. Which command will now write new or modified below /home?

Select one of the following:

tar -czf -g /backup/snapshot /backup/backup_monday.tgz /home
tar -tz -g /backup/snapshot -f /backup/backup_monday.tgz /home
tar -cz -g /backup/snapshot -f /backup/backup_monday.tgz /home
tar -cz -newer /backup/snapshot -f /backup/backup_monday.tgz /home

Explanation

Question 43 of 70

1

Which protocol is used to send messages by the ping command?

Select one of the following:

NTP
FTP
TCP
ICMP
HTTP
LDAP

Explanation

Question 44 of 70

1

Which parts can be combined in the syslog-ng configuration file (/etc/syslog-ng/syslog-ng.conf) to specify what information is logged? (Choose 3)

Select one or more of the following:

Alerts
Users
Filters
Sources
Log Paths
Destinations
Date and Time

Explanation

Question 45 of 70

1

What is the output of the echo '$HOME' command when user geeko (home directory /home/geeko) enters it at the bash shell prompt?

Select one of the following:

geeko
$HOME
/home/geeko
$HOME: No such file or directory

Explanation

Question 46 of 70

1

Which statement about the primary (default) group of a user is correct?

Select one of the following:

The primary group membership of a user is defined in the /etc/group file
The primary group membership of a user is defined in the /etc/shadow file
The primary group membership of a user is defined in the /etc/passwd file
The primary group membership of a user is defined in the /etc/gpasswd file

Explanation

Question 47 of 70

1

In the terminal window, which command shows you the groups you are a member of?

Select one of the following:

id
gid
who
whoami

Explanation

Question 48 of 70

1

How large is an inode?

Select one of the following:

256 bits
64 Kbytes
128 bytes
1 Mbyte

Explanation

Question 49 of 70

1

You want to create the new user account tux with the password penguin (password hash: TvqBFhQWgeSho) and a default home directory. Which command can be used to create the account with the above parameters?

Select one of the following:

useradd -m -p "penguin" tux
echo penguin | useradd -m -p -tux
useradd -m -p "TvqBFhQWgeSho" tux
echo -e "peguin\npeguin" | passwd tux ; useradd -m tux

Explanation

Question 50 of 70

1

In a terminal window, which command displays the name of the directory you are currently in?

Select one of the following:

dir
pwd
where
current-dir

Explanation

Question 51 of 70

1

Which range of User IDs is used for normal (unprivileged) users on SUSE Linux Enterprise Server 10?

Select one of the following:

0-100
101-499
500-999
1000 and above

Explanation

Question 52 of 70

1

Where can you set global shell enviroment variables for all users independent of their shell?

Select one of the following:

/etc/profile
/etc/profile.all
/etc/bash.local
/etc/bash.bashrc

Explanation

Question 53 of 70

1

You have set the following permissions on a test directory: rwxrwxrwx. Which statement about files in the test directory is correct?

Select one of the following:

Only root can delete files in the test directory
Only root or the owner of a file can delete files in the test directory.
A file created in that directory has the same owner as the owner of the test directory.
A file created in that directory has the same owning group as the owning group of the test directory.

Explanation

Question 54 of 70

1

Which key combination can you use to stop a process that runs in the foreground?

Select one of the following:

Ctrl +X
Ctrl +Z
Ctrl + Alt +X
Ctrl + Backspace

Explanation

Question 55 of 70

1

You want to redirect both output and error messages of the find command to the find-output file. Which command accomplishes this task?

Select one of the following:

find /etc -name "*conf" 2>&find-output
find /etc -name "*conf" 2<&1 > find-output
find /etc -name "*conf" > find-output 2>&1
find /etc -name "*conf" > find-output 2>find-output

Explanation

Question 56 of 70

1

Which are benefits of using LVM? (Choose 4)

Select one or more of the following:

You can increase data security
You can create extremely large logical volumes
You can add logical volumes in a running system.
You can add hard disks to a volume group in a running system.
You can reduce the size of a logical volume without unmounting it
The snapshot feature allows consistent backup in a running system.

Explanation

Question 57 of 70

1

Within less, how do you search for a string downwards from where the cursor is positioned?

Select one of the following:

\string
?string
/string
=string

Explanation

Question 58 of 70

1

In the bash shell, which command can be used to create a MY_NAME variable containing the value Joe?

Select one of the following:

MY_NAME=Joe
MY_NAME = Joe
echo Joe > MY_NAME
export MY_NAME = Joe

Explanation

Question 59 of 70

1

Which are journaling file systems? (Choose 3)

Select one or more of the following:

XFS
ext2
ext3
VFAT
minix
VFAT32
ReiserFS

Explanation

Question 60 of 70

1

What is the type command used for?

Select one of the following:

type is used to print text to a teletypewriter.
type displays the type of terminal (tty1, tty2) you are logged in to
type determines the type of a command (shell builtin, alias, file on hard disk)
type is used to determine the type of processor used (32-bit, 64-bit, Power)

Explanation

Question 61 of 70

1

What is the correct order of steps to change the partition table using fdisk?

Select one of the following:

You can't use fdisk to change the partition table.
Start fdisk > Change the partition table > Write the partitoin table to hard disk > Exit fdisk > Reboot
Start fdisk > Change the partition table > Write the partitoin table to hard disk > Exit fdisk > Load the partition table from the boot prompt.
Start fdisk > Change the partition table > Write the partition table to floppy disk or USB stick > Exit fdisk > Boot from floppy disk or USB stick.

Explanation

Question 62 of 70

1

You want to redirect the output of the ls command to the ls-output file which already exists. The output should be appended to he file; it should not overwrite the existing content. Which command accomplishes this task?

Select one of the following:

ls > ls-output
ls : ls-output
ls >> ls-output
ls && ls-output

Explanation

Question 63 of 70

1

You have a /tmp/data directory containing the files .file, file1, and file2. You want to delete the directory and its content. In a terminal window, which command accomplishes this?

Select one of the following:

rm /tmp/data
rm -r /tmp/data
rmdir /tmp/data
deldir /tmp/data

Explanation

Question 64 of 70

1

Which statement about a CUPS Using Broadcasting configuration is correct?

Select one of the following:

Only local printing is possible
You cant print to both local and network printers
Only one queue on one print server can be used for printing
All queues on only one CUPS server are available for printing

Explanation

Question 65 of 70

1

As system administrator root, you use the lpoptions command to change printer options, such as the page size. To which file are these options saved?

Select one of the following:

~/.bashrc
~/.lpoptions
/etc/cups/lpoptions
/etc/sysconfig/cups

Explanation

Question 66 of 70

1

You want to delete a certain print job from the laser print queue. Using the lpq command, you determined the job number of this job as 1234. Which command lets you delete that job?

Select one of the following:

lpr -P laser 1234
lprm -P laser 1234
lpremove -P laser 1234
lpadmin -d laser -r 1234

Explanation

Question 67 of 70

1

Which command is suitable for displaying the CPU load as a percentage?

Select one of the following:

w
top
nice
uptime

Explanation

Question 68 of 70

1

What action does the jobs command perform?

Select one of the following:

Lists all scheduled cron jobs
Lists all mail items in the mail queue
Lists the content of the shell's job control
Lists all print jobs in the print queue

Explanation

Question 69 of 70

1

Using the nice command, what is the highest priority root can assing to a process?

Select one of the following:

-20
-19
0
19
20
99

Explanation

Question 70 of 70

1

To preserve the command history even when the shell is closed, the history is written to a file in the user's home directory. Which file holds the history information of the bash shell?

Select one of the following:

bash_history
.bash_history
?bash_history
$bash_history

	Created by Giovanni Gonzalez Moreno over 9 years ago

A-Level Linux Quiz on Certified Linux Administrator SUSE 11, created by Giovanni Gonzalez Moreno on 22/11/2014.

Certified Linux Administrator SUSE 11

Question 1 of 70

Which user authentication methods can be used with SLES 10? (Choose 4)

Select one or more of the following:

Explanation

Question 2 of 70

Which statements about partitions are correct? (Choose 3)

Select one or more of the following:

Explanation

Question 3 of 70

You want to copy the master boot record, the partitoin table, and the 2 magic bytes at the beginning of /dev/had to a file so you can restore it later. Which command accomplishes this?

Select one of the following:

Explanation

Question 4 of 70

The /etc/sysconfig/network/ifcfg-eth-id-macaddress configuration file contains a BOOTPRO option. Which are possible values of BOOTPRO?

Select one of the following:

Explanation

Question 5 of 70

From command mode in vi, what do you have to do to enter text?

Select one of the following:

Explanation

Question 6 of 70

Which statement about symmetric encryption is correct?

Select one of the following:

Explanation

Question 7 of 70

After the partittions are checked and the root file system is mounted, the /sbin/init command is executed. Which process ID is assigned to /sbin/init?

Select one of the following:

Explanation

Question 8 of 70

When you connect to an ssh server with your ssh client, the public key of the server is compared to the keys stored in a file on the client computer. Which file is this?

Select one of the following:

Explanation

Question 9 of 70

You want to install the xyz-software-1.2.3-5.i586.rpm package, but only if a previous versoin is already installed. Which command will do this?

Select one of the following:

Explanation

Question 10 of 70

Which commands can be used if you do not find the desired information in a manual page, or find no manual page at all for a program?

Select one of the following:

Explanation

Question 11 of 70

Which statements about PAM are correct? (Choose 3)

Select one or more of the following:

Explanation

Question 12 of 70

What is the difference between the /dev/st0 and /dev/nst0 devices?

Select one of the following:

Explanation

Question 13 of 70

How do you create a file called destination containing the same ACLs currently set for the file called source?

Select one of the following:

Explanation

Question 14 of 70

From the command line, which command would you use to print the document.ps file on the laser printer?

Select one of the following:

Explanation

Question 15 of 70

You want to find out it file from the wget package were altered since they were installed. Which command will give you this information?

Select one of the following:

Explanation

Question 16 of 70

In which file is the same resolution configured?

Select one of the following:

Explanation

Question 17 of 70

Which command can you use to set up limits for failed logins?

Select one of the following:

Explanation

Question 18 of 70

Which file system type supports ACLs without a special mount option?

Select one of the following:

Explanation

Question 19 of 70

Which statement about the /sbin/ldconfig command is correct?

Select one of the following:

Explanation

Question 20 of 70

Which command displays information about your hard drive and lets you manage certain hard drive parameters?