Question 1

What is the result of the following command? dd if=/dev/zero of=/dev/hdd bs=512 count=1

Accepted Answer

A)  Writes zeros in the first 512 bytes of the first hard disk block 
B)  Assigns the physical volume zero to the logical volume hdd 
C)  Overwrites an existing partition table 
D)  Creates a LVM partition of 512 blocks 
E)  Backs up the /dev/zero and /dev/hdd files 
A)  Writes zeros in the first 512 bytes of the first hard disk block 
B)  Assigns the physical volume zero to the logical volume hdd 
C)  Overwrites an existing partition table 
D)  Creates a LVM partition of 512 blocks 
E)  Backs up the /dev/zero and /dev/hdd files

Question 2

You do not want to see any error messages when using the find command; you want to see only the results. Which command accomplishes this task?

Accepted Answer

A)  find /etc -name "*conf" 3>/dev/null 
B)  find /etc -name "*conf" 0>/dev/null 
C)  find /etc -name "*conf" 2>/dev/null 
D)  find /etc -name "*conf" 1>/dev/null 
A)  find /etc -name "*conf" 3>/dev/null 
B)  find /etc -name "*conf" 0>/dev/null 
C)  find /etc -name "*conf" 2>/dev/null 
D)  find /etc -name "*conf" 1>/dev/null

Question 3

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

Accepted Answer

A)  ~/.ssh/known_hosts 
B)  ~/.ssh/id_rsa.pub 
C)  ~/.ssh/authorized_keys 
D)  ~/.ssh/id_dsa.pub 
A)  ~/.ssh/known_hosts 
B)  ~/.ssh/id_rsa.pub 
C)  ~/.ssh/authorized_keys 
D)  ~/.ssh/id_dsa.pub

Question 4

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

Accepted Answer

A)  NTP 
B)  FTP 
C)  TCP 
D)  ICMP 
E)  HTTP
F) LDAP 
A)  NTP 
B)  FTP 
C)  TCP 
D)  ICMP 
E)  HTTP
F) LDAP

Question 5

What systemd target represents a runlevel as known from System V?

Accepted Answer

A)  Target 
B)  Service 
C)  Scope 
D)  Pointer 
E)  Socket 
A)  Target 
B)  Service 
C)  Scope 
D)  Pointer 
E)  Socket

Question 6

What systemd command switches to a single user system without network?

Accepted Answer

A)  systemctl isolate rescue.target 
B)  systemctl isolate emergency.target 
C)  systemctl switch single-user.target 
D)  systemctl --runlevel=1 
E)  systemctl set-default minimal.target 
A)  systemctl isolate rescue.target 
B)  systemctl isolate emergency.target 
C)  systemctl switch single-user.target 
D)  systemctl --runlevel=1 
E)  systemctl set-default minimal.target

Question 7

How large is the MBR?

Accepted Answer

A)  8 KBytes 
B)  1 KByte 
C)  1 MByte 
D)  512 Bytes 
E)  256 Bytes 
A)  8 KBytes 
B)  1 KByte 
C)  1 MByte 
D)  512 Bytes 
E)  256 Bytes

Question 8

What is the "users" option in /etc/fstab used for?

Accepted Answer

A)  It specifies the partitions that are not bootable by a user. 
B)  It allows any user to mount and unmount a partition. 
C)  It specifies the partitions that are bootable by a user. 
D)  A normal user is not allowed to access this partition. 
A)  It specifies the partitions that are not bootable by a user. 
B)  It allows any user to mount and unmount a partition. 
C)  It specifies the partitions that are bootable by a user. 
D)  A normal user is not allowed to access this partition.

Question 9

What does the command "vgcreate" do?

Accepted Answer

A)  Create a new volume group for use with LVM. 
B)  Create a new virtual group for use with KVM. 
C)  Create a new virtual graphic device. 
D)  Create a new vector when printing in Postscript. 
E)  This command does not exist. 
A)  Create a new volume group for use with LVM. 
B)  Create a new virtual group for use with KVM. 
C)  Create a new virtual graphic device. 
D)  Create a new vector when printing in Postscript. 
E)  This command does not exist.

Question 10

To set up LVM from scratch, in which order you will execute the LVM commands?

Accepted Answer

A)  pvcreate, vgcreate, lvcreate 
B)  pvcreate, lvcreate, vgcreate 
C)  vgcreate, lvcreate, pvcreate 
D)  vgcreate, pvcreate, lvcreate 
E)  lvcreate, pvcreate, vgcreate
F) lvcreate, vgcreate, pvcreate 
A)  pvcreate, vgcreate, lvcreate 
B)  pvcreate, lvcreate, vgcreate 
C)  vgcreate, lvcreate, pvcreate 
D)  vgcreate, pvcreate, lvcreate 
E)  lvcreate, pvcreate, vgcreate
F) lvcreate, vgcreate, pvcreate

Question 11

What command encrypts a boot password for GRUB2?

Accepted Answer

A)  grub2-mkpasswd-pbkdf12 
B)  passwd -t grub2 
C)  secboot 
D)  grub2-pw 
E)  bootpw 
A)  grub2-mkpasswd-pbkdf12 
B)  passwd -t grub2 
C)  secboot 
D)  grub2-pw 
E)  bootpw

Question 12

How is the GNOME file manager called?

Accepted Answer

A)  Nautilus 
B)  Konqueror 
C)  GNOME Explorer 
D)  FileMan 
E)  Dolphin 
A)  Nautilus 
B)  Konqueror 
C)  GNOME Explorer 
D)  FileMan 
E)  Dolphin

Question 13

Which statement about the Set User ID bit on executable files is correct?

Accepted Answer

A)  The SUID should only be set when really needed and only on applications that are well tested. 
B)  The SUID bit has no security implications. 
C)  The SUID bit makes it more difficult to exploit any potential vulnerabilities in the program. 
D)  The SUID bit on executables has no effect; it is only relevant when set on directories. 
A)  The SUID should only be set when really needed and only on applications that are well tested. 
B)  The SUID bit has no security implications. 
C)  The SUID bit makes it more difficult to exploit any potential vulnerabilities in the program. 
D)  The SUID bit on executables has no effect; it is only relevant when set on directories.

Question 14

What is the file /etc/grub.d/10_linux doing?

Accepted Answer

A)  It identifies Linux kernels on the root device and creates relevant menu entries 
B)  It sets Linux related environmental variables. 
C)  Maps BIOS drives and Linux devices. 
D)  Loads a Linux kernel and initramfs 
A)  It identifies Linux kernels on the root device and creates relevant menu entries 
B)  It sets Linux related environmental variables. 
C)  Maps BIOS drives and Linux devices. 
D)  Loads a Linux kernel and initramfs

Question 15

The /etc/sysconfig/network/ifcfg-XXX configuration file contains a BOOTPROTO option. Which are possible values of BOOTPROTO?

Accepted Answer

A)  static or dhcp 
B)  master or slave 
C)  onboot, ifpluged, or manual 
D)  ethernet, wireless, or manual 
A)  static or dhcp 
B)  master or slave 
C)  onboot, ifpluged, or manual 
D)  ethernet, wireless, or manual

Question 16

Which statement is not true about symbolic links?

Accepted Answer

A)  Symbolic links can point to files on a different file system. 
B)  Symbolic links can be created for directories. 
C)  Symbolic links always have the same size as the original file. 
A)  Symbolic links can point to files on a different file system. 
B)  Symbolic links can be created for directories. 
C)  Symbolic links always have the same size as the original file.

Question 17

What commands can be used to view processes? (Choose three.)

Accepted Answer

A)  ps 
B)  top 
C)  tree 
D)  procview 
E)  pstree
F) less
G) pr
H) nice
I) sysinfo 
A)  ps 
B)  top 
C)  tree 
D)  procview 
E)  pstree
F) less
G) pr
H) nice
I) sysinfo

Question 18

What does the following sentence describe? "Multiple file names referencing to the same inode."

Accepted Answer

A)  Hard Links 
B)  Sockets 
C)  Pipes 
D)  Character devices 
E)  Block devices 
A)  Hard Links 
B)  Sockets 
C)  Pipes 
D)  Character devices 
E)  Block devices

Question 19

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

Accepted Answer

A)  rpm -qf wget 
B)  rpm -v wget 
C)  rpm -F wget 
D)  rpm -V wget 
A)  rpm -qf wget 
B)  rpm -v wget 
C)  rpm -F wget 
D)  rpm -V wget

Question 20

What is the following command doing: brctl delif br1 eth1

Accepted Answer

A)  Remove an interface from a bridge 
B)  Remove a network bridge 
C)  Use eth1 for broadcast 
D)  Change the name of eth1 to br1 
A)  Remove an interface from a bridge 
B)  Remove a network bridge 
C)  Use eth1 for broadcast 
D)  Change the name of eth1 to br1

What is the result of the following command? dd if=/dev/zero of=/dev/hdd bs=512 count=1

You do not want to see any error messages when using the find command; you want to see only the results. Which command accomplishes this task?

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

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

What systemd target represents a runlevel as known from System V?

What systemd command switches to a single user system without network?

How large is the MBR?

What is the "users" option in /etc/fstab used for?

What does the command "vgcreate" do?

To set up LVM from scratch, in which order you will execute the LVM commands?

What command encrypts a boot password for GRUB2?

How is the GNOME file manager called?

Which statement about the Set User ID bit on executable files is correct?

What is the file /etc/grub.d/10_linux doing?

The /etc/sysconfig/network/ifcfg-XXX configuration file contains a BOOTPROTO option. Which are possible values of BOOTPROTO?

Which statement is not true about symbolic links?

What commands can be used to view processes? (Choose three.)

What does the following sentence describe? "Multiple file names referencing to the same inode."

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

What is the following command doing: brctl delif br1 eth1

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Exam 3: SUSE Certified Linux Administrator 12

What is the result of the following command? dd if=/dev/zero of=/dev/hdd bs=512 count=1

You do not want to see any error messages when using the find command; you want to see only the results. Which command accomplishes this task?

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

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

What systemd target represents a runlevel as known from System V?

What systemd command switches to a single user system without network?

How large is the MBR?

What is the "users" option in /etc/fstab used for?

What does the command "vgcreate" do?

To set up LVM from scratch, in which order you will execute the LVM commands?

What command encrypts a boot password for GRUB2?

How is the GNOME file manager called?

Which statement about the Set User ID bit on executable files is correct?

What is the file /etc/grub.d/10_linux doing?

The /etc/sysconfig/network/ifcfg-XXX configuration file contains a BOOTPROTO option. Which are possible values of BOOTPROTO?

Which statement is not true about symbolic links?

What commands can be used to view processes? (Choose three.)

What does the following sentence describe? "Multiple file names referencing to the same inode."

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

What is the following command doing: brctl delif br1 eth1

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