Certified Linux Administrator SUSE 11

Frage 1 von 70

1

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

Wähle eine oder mehr der folgenden:

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

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Frage 2 von 70

1

Which statements about partitions are correct? (Choose 3)

Wähle eine oder mehr der folgenden:

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

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Frage 3 von 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?

Wähle eine der folgenden:

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

Erklärung

Frage 4 von 70

1

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

Wähle eine der folgenden:

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

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Frage 5 von 70

1

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

Wähle eine der folgenden:

Press e
Press i
Press k
Press w

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Frage 6 von 70

1

Which statement about symmetric encryption is correct?

Wähle eine der folgenden:

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.

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Frage 7 von 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?

Wähle eine der folgenden:

0
1
3
100
1000
Depends

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Frage 8 von 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?

Wähle eine der folgenden:

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

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Frage 9 von 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?

Wähle eine der folgenden:

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

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Frage 10 von 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?

Wähle eine der folgenden:

sos program
info program
help program
wiki program

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Frage 11 von 70

1

Which statements about PAM are correct? (Choose 3)

Wähle eine oder mehr der folgenden:

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

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Frage 12 von 70

1

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

Wähle eine der folgenden:

/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.

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Frage 13 von 70

1

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

Wähle eine der folgenden:

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

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Frage 14 von 70

1

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

Wähle eine der folgenden:

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

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Frage 15 von 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?

Wähle eine der folgenden:

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

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Frage 16 von 70

1

In which file is the same resolution configured?

Wähle eine der folgenden:

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

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Frage 17 von 70

1

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

Wähle eine der folgenden:

w
who
last
failog
lastlog

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Frage 18 von 70

1

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

Wähle eine der folgenden:

ext2
ext3
XFS
ReiserFS

Erklärung

Frage 19 von 70

1

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

Wähle eine der folgenden:

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.

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Frage 20 von 70

1

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

Wähle eine der folgenden:

siga
sitar
fdisk
lspci
iostat
hwinfo
hdparm

Erklärung

Frage 21 von 70

1

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

Wähle eine der folgenden:

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

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Frage 22 von 70

1

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

Wähle eine der folgenden:

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

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Frage 23 von 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?

Wähle eine der folgenden:

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

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Frage 24 von 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.)

Wähle eine oder mehr der folgenden:

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

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Frage 25 von 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?

Wähle eine der folgenden:

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

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Frage 26 von 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?

Wähle eine der folgenden:

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

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Frage 27 von 70

1

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

Wähle eine der folgenden:

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

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Frage 28 von 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?

Wähle eine der folgenden:

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

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Frage 29 von 70

1

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

Wähle eine der folgenden:

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

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Frage 30 von 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?

Wähle eine der folgenden:

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

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Frage 31 von 70

1

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

Wähle eine oder mehr der folgenden:

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.

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Frage 32 von 70

1

Which statement about the sudo command is correct?

Wähle eine der folgenden:

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

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Frage 33 von 70

1

What is the same of the file containing the initramfs?

Wähle eine der folgenden:

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

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Frage 34 von 70

1

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

Wähle eine der folgenden:

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

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Frage 35 von 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?

Wähle eine der folgenden:

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

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Frage 36 von 70

1

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

Wähle eine der folgenden:

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

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Frage 37 von 70

1

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

Wähle eine oder mehr der folgenden:

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

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Frage 38 von 70

1

Which group name is stored in /etc/passwd?

Wähle eine der folgenden:

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

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Frage 39 von 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)

Wähle eine oder mehr der folgenden:

title
color
initrd
kernel
timeout
gfxmenu
message

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Frage 40 von 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?

Wähle eine der folgenden:

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

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Frage 41 von 70

1

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

Wähle eine der folgenden:

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

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Frage 42 von 70

1

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

Wähle eine der folgenden:

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

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Frage 43 von 70

1

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

Wähle eine der folgenden:

NTP
FTP
TCP
ICMP
HTTP
LDAP

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Frage 44 von 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)

Wähle eine oder mehr der folgenden:

Alerts
Users
Filters
Sources
Log Paths
Destinations
Date and Time

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Frage 45 von 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?

Wähle eine der folgenden:

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

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Frage 46 von 70

1

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

Wähle eine der folgenden:

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

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Frage 47 von 70

1

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

Wähle eine der folgenden:

id
gid
who
whoami

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Frage 48 von 70

1

How large is an inode?

Wähle eine der folgenden:

256 bits
64 Kbytes
128 bytes
1 Mbyte

Erklärung

Frage 49 von 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?

Wähle eine der folgenden:

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

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Frage 50 von 70

1

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

Wähle eine der folgenden:

dir
pwd
where
current-dir

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Frage 51 von 70

1

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

Wähle eine der folgenden:

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

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Frage 52 von 70

1

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

Wähle eine der folgenden:

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

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Frage 53 von 70

1

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

Wähle eine der folgenden:

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.

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Frage 54 von 70

1

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

Wähle eine der folgenden:

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

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Frage 55 von 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?

Wähle eine der folgenden:

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

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Frage 56 von 70

1

Which are benefits of using LVM? (Choose 4)

Wähle eine oder mehr der folgenden:

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.

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Frage 57 von 70

1

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

Wähle eine der folgenden:

\string
?string
/string
=string

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Frage 58 von 70

1

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

Wähle eine der folgenden:

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

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Frage 59 von 70

1

Which are journaling file systems? (Choose 3)

Wähle eine oder mehr der folgenden:

XFS
ext2
ext3
VFAT
minix
VFAT32
ReiserFS

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Frage 60 von 70

1

What is the type command used for?

Wähle eine der folgenden:

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)

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Frage 61 von 70

1

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

Wähle eine der folgenden:

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.

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Frage 62 von 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?

Wähle eine der folgenden:

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

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Frage 63 von 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?

Wähle eine der folgenden:

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

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Frage 64 von 70

1

Which statement about a CUPS Using Broadcasting configuration is correct?

Wähle eine der folgenden:

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

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Frage 65 von 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?

Wähle eine der folgenden:

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

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Frage 66 von 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?

Wähle eine der folgenden:

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

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Frage 67 von 70

1

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

Wähle eine der folgenden:

w
top
nice
uptime

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Frage 68 von 70

1

What action does the jobs command perform?

Wähle eine der folgenden:

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

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Frage 69 von 70

1

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

Wähle eine der folgenden:

-20
-19
0
19
20
99

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Frage 70 von 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?

Wähle eine der folgenden:

bash_history
.bash_history
?bash_history
$bash_history

	Erstellt von Giovanni Gonzalez Moreno vor mehr als 9 Jahre

A-Level Linux Quiz am Certified Linux Administrator SUSE 11, erstellt von Giovanni Gonzalez Moreno am 22/11/2014.

Certified Linux Administrator SUSE 11

Frage 1 von 70

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

Wähle eine oder mehr der folgenden:

Erklärung

Frage 2 von 70

Which statements about partitions are correct? (Choose 3)

Wähle eine oder mehr der folgenden:

Erklärung

Frage 3 von 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?

Wähle eine der folgenden:

Erklärung

Frage 4 von 70

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

Wähle eine der folgenden:

Erklärung

Frage 5 von 70

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

Wähle eine der folgenden:

Erklärung

Frage 6 von 70

Which statement about symmetric encryption is correct?

Wähle eine der folgenden:

Erklärung

Frage 7 von 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?

Wähle eine der folgenden:

Erklärung

Frage 8 von 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?

Wähle eine der folgenden:

Erklärung

Frage 9 von 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?

Wähle eine der folgenden:

Erklärung

Frage 10 von 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?

Wähle eine der folgenden:

Erklärung

Frage 11 von 70

Which statements about PAM are correct? (Choose 3)

Wähle eine oder mehr der folgenden:

Erklärung

Frage 12 von 70

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

Wähle eine der folgenden:

Erklärung

Frage 13 von 70

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

Wähle eine der folgenden:

Erklärung

Frage 14 von 70

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

Wähle eine der folgenden:

Erklärung

Frage 15 von 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?

Wähle eine der folgenden:

Erklärung

Frage 16 von 70

In which file is the same resolution configured?

Wähle eine der folgenden:

Erklärung

Frage 17 von 70

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

Wähle eine der folgenden:

Erklärung

Frage 18 von 70

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

Wähle eine der folgenden:

Erklärung

Frage 19 von 70

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

Wähle eine der folgenden:

Erklärung

Frage 20 von 70

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