Question 1

Which of the following resources are directly (i.e. without specialized machine images) available to users of an OpenStack cloud?

Accepted Answer

A)  Database servers to store relational data. 
B)  Virtual machines for computing tasks. 
C)  Application servers for immediate deployment with Mono applications. 
D)  Object storage that is accessed through an API. 
E)  Block storage devices for persistent data storage. 
A)  Database servers to store relational data. 
B)  Virtual machines for computing tasks. 
C)  Application servers for immediate deployment with Mono applications. 
D)  Object storage that is accessed through an API. 
E)  Block storage devices for persistent data storage.

Question 2

Which of the following statements are true regarding hardware based virtualization?

Accepted Answer

A)  Hardware based virtualization requires special support in the host system's hardware which is present in all recent x86-based computers. 
B)  Hardware based virtualization implements a whole machine in software and therefore can run virtual machines of a given hardware platform on an arbitrary host system. 
C)  Hardware based virtualization relies on the host system's processor to call the hypervisor when critical instructions are executed by a virtual machine. 
D)  Hardware based virtualization is not available on x86-based CPU architectures and requires special virtualization host hardware. 
A)  Hardware based virtualization requires special support in the host system's hardware which is present in all recent x86-based computers. 
B)  Hardware based virtualization implements a whole machine in software and therefore can run virtual machines of a given hardware platform on an arbitrary host system. 
C)  Hardware based virtualization relies on the host system's processor to call the hypervisor when critical instructions are executed by a virtual machine. 
D)  Hardware based virtualization is not available on x86-based CPU architectures and requires special virtualization host hardware.

Question 3

When migrating a physical machine to a full virtualized machine, which of the following properties should be expected to change from the perspective of the guest operating system?

Accepted Answer

A)  The user accounts within the guest operating system. 
B)  The properties of the CPU and other hardware devices. 
C)  The MAC address of the network interfaces. 
D)  The version of the guest operating system. 
E)  The software and applications installed on the guest system. 
A)  The user accounts within the guest operating system. 
B)  The properties of the CPU and other hardware devices. 
C)  The MAC address of the network interfaces. 
D)  The version of the guest operating system. 
E)  The software and applications installed on the guest system.

Question 4

Which function is not supported in a GFS2 filesystem?

Accepted Answer

A)  repair 
B)  grow 
C)  shrink 
D)  withdraw 
A)  repair 
B)  grow 
C)  shrink 
D)  withdraw

Question 5

Which of the following is true regarding the CPU of a KVM virtual machine?

Accepted Answer

A)  Each KVM virtual machine can only have one CPU with one core. 
B)  KVM virtual machines support multiple virtual CPUs in order to run SMP systems. 
C)  The CPU architecture of a KVM virtual machine is independent of the host system's architecture. 
D)  For each KVM virtual machine one dedicated physical CPU core must be reserved. 
E)  KVM uses the concept of virtual CPUs to map the virtual machines to physical CPUs. 
A)  Each KVM virtual machine can only have one CPU with one core. 
B)  KVM virtual machines support multiple virtual CPUs in order to run SMP systems. 
C)  The CPU architecture of a KVM virtual machine is independent of the host system's architecture. 
D)  For each KVM virtual machine one dedicated physical CPU core must be reserved. 
E)  KVM uses the concept of virtual CPUs to map the virtual machines to physical CPUs.

Question 6

After the Xen guest configuration file debian.cfg has been created and successfully tested, which additional action must be performed in order to make this Xen guest start automatically every time the host system boots?

Accepted Answer

A)  It is necessary to add xendomains_auto = yes to the virtual machine configuration file. 
B)  It is necessary to add an entry for debian.cfg to the file /etc/xen/guesttab. 
C)  It is necessary to run the command xl autostart debian.cfg. 
D)  It is necessary to add a symbolic link to the configuration file in the /etc/xen/auto/ directory. 
E)  It is not possible to use Xen and its tools to start virtual machines automatically. 
A)  It is necessary to add xendomains_auto = yes to the virtual machine configuration file. 
B)  It is necessary to add an entry for debian.cfg to the file /etc/xen/guesttab. 
C)  It is necessary to run the command xl autostart debian.cfg. 
D)  It is necessary to add a symbolic link to the configuration file in the /etc/xen/auto/ directory. 
E)  It is not possible to use Xen and its tools to start virtual machines automatically.

Question 7

While setting up a load-balanced HTTP service, Linux Virtual Server was configured with the commands: ipvsadm -A -t 198.51.100.2:80 -s rr ipvsadm -a -t 198.51.100.2:80 -r 192.168.10.1:80 -m ipvsadm -a -t 198.51.100.2:80 -r 192.168.10.2:80 -m and all backend servers are using the LVS host as the default router. Which additional command has to be issued on the LVS host in order to correctly handle incoming HTTP traffic?

Accepted Answer

A)  echo "1" > /proc/sys/net/ipv4/ip_forward 
B)  iptables -t nat -Z 
C)  ipvsadmin -L -n 
D)  ipmasq -A 192.168.10.1 -A 192.168.10.2 -p tcp --dport www -j DEMASQ 
E)  netstat -r 
A)  echo "1" > /proc/sys/net/ipv4/ip_forward 
B)  iptables -t nat -Z 
C)  ipvsadmin -L -n 
D)  ipmasq -A 192.168.10.1 -A 192.168.10.2 -p tcp --dport www -j DEMASQ 
E)  netstat -r

Question 8

SIMULATION When using direct Linux booting to start Linux within a KVM virtual machine, which KVM parameter is used to specify parameters for the Linux Kernel? (Specify ONLY the option name without any values or parameters.)

Accepted Answer

The answer of SIMULATION When using direct Linux booting to...

Question 9

Which of the following KVM parameters is identical to the KVM parameter -hdb file.img?

Accepted Answer

A)  -drive bus=ide1,type=slave,image=file.img 
B)  -drive image=file.img,if=ide,device=hdb 
C)  -drive bus=hd,busid=b,src=file.img 
D)  -drive file=file.img,index=1,media=disk,if=ide 
E)  -drive type=loop,src=file.img,dst=disk:hdb 
A)  -drive bus=ide1,type=slave,image=file.img 
B)  -drive image=file.img,if=ide,device=hdb 
C)  -drive bus=hd,busid=b,src=file.img 
D)  -drive file=file.img,index=1,media=disk,if=ide 
E)  -drive type=loop,src=file.img,dst=disk:hdb

Question 10

Which one of the following should NOT be used as a lowlevel device for DRBD?

Accepted Answer

A)  A LVM logical volume 
B)  A physical hard disk 
C)  A EVMS volume 
D)  A loop device 
A)  A LVM logical volume 
B)  A physical hard disk 
C)  A EVMS volume 
D)  A loop device

Question 11

SIMULATION In order to determine if a virtualization host offers Intel VT-x support, which CPU flag must be searched for in the file /proc/cpuinfo? (Specify the name of the CPU flag as it is mentioned in the given file only without any additional information.)

Accepted Answer

The answer of SIMULATION In order to determine if a...

Question 12

When used with KVM, which of the following block device image formats support snapshots?

Accepted Answer

A)  qcow 
B)  dmg 
C)  qed 
D)  qcow2 
E)  raw 
A)  qcow 
B)  dmg 
C)  qed 
D)  qcow2 
E)  raw

Question 13

What is the purpose of the Cluster Configuration System (CCS)?

Accepted Answer

A)  It manages the cluster configuration information file. 
B)  It fences a dropped node. 
C)  It manages ACLs for cluster service access. 
D)  It manages the network topology and settings for the cluster. 
A)  It manages the cluster configuration information file. 
B)  It fences a dropped node. 
C)  It manages ACLs for cluster service access. 
D)  It manages the network topology and settings for the cluster.

Question 14

Which of the following commands lists the snapshots existing in the disk image vm1.img?

Accepted Answer

A)  qemu-info snapshots vm1.img 
B)  qemu-img snapshot -l vm1.img 
C)  qemu -hda snapshot -l vm1.img -noboot -list snapshots 
D)  qemu-snapshots -l vm1.img 
E)  qemu-monitor -snapshots -hda vm1.img 
A)  qemu-info snapshots vm1.img 
B)  qemu-img snapshot -l vm1.img 
C)  qemu -hda snapshot -l vm1.img -noboot -list snapshots 
D)  qemu-snapshots -l vm1.img 
E)  qemu-monitor -snapshots -hda vm1.img

Question 15

Which of the following sections are found in the Pacemaker configuration XML file?

Accepted Answer

A) and B) and C) and D) and E) and A) and B) and C) and D) and E) and

Question 16

What is the usual way to gain command line access to computing instances in an IaaS cloud?

Accepted Answer

A)  By providing a public SSH key to the cloud management system and using the matching private SSH key to log into the instances. 
B)  Usually computing instances are accessed through a web frontend and do not allow command line access. 
C)  By either telnet or SSH using the credentials of the cloud management system account with administrative privileges. 
D)  By using a telnet session with the credentials set and publicized by the creator of the computing instance's system image. 
E)  By using a VNC console which does not require authentication when it is invoked via the cloud management system. 
A)  By providing a public SSH key to the cloud management system and using the matching private SSH key to log into the instances. 
B)  Usually computing instances are accessed through a web frontend and do not allow command line access. 
C)  By either telnet or SSH using the credentials of the cloud management system account with administrative privileges. 
D)  By using a telnet session with the credentials set and publicized by the creator of the computing instance's system image. 
E)  By using a VNC console which does not require authentication when it is invoked via the cloud management system.

Question 17

Which command within virsh lists the virtual machines that are available on the current host?

Accepted Answer

A)  view 
B)  show 
C)  list-vm 
D)  list 
E)  list-all 
A)  view 
B)  show 
C)  list-vm 
D)  list 
E)  list-all

Question 18

Which of the following commands can be used to determine whether the local machine is capable of running full virtualized Xen guests?

Accepted Answer

A)  dmesg |grep -i intel|grep -i vt; dmesg |grep -i amd|grep -i v 
B)  egrep '(vmx|svm)' /proc/cpuinfo 
C)  xl dmesg | grep -i hvm 
D)  grep -i "Full Virtualization" /proc/xen 
E)  grep -i "Full Virtualization" /etc/xen/* 
A)  dmesg |grep -i intel|grep -i vt; dmesg |grep -i amd|grep -i v 
B)  egrep '(vmx|svm)' /proc/cpuinfo 
C)  xl dmesg | grep -i hvm 
D)  grep -i "Full Virtualization" /proc/xen 
E)  grep -i "Full Virtualization" /etc/xen/*

Question 19

When preparing a public machine image for the provisioning of new cloud computing instances, which of the following steps should be done?

Accepted Answer

A)  Remove all default users and groups, including root and nobody. 
B)  Remove all configuration files from /etc/ that were not manually modified. 
C)  Remove all confidential data from the image. 
D)  Remove all remote login services (i.e. SSH) from the image. 
E)  Remove all private SSH keys from the image. 
A)  Remove all default users and groups, including root and nobody. 
B)  Remove all configuration files from /etc/ that were not manually modified. 
C)  Remove all confidential data from the image. 
D)  Remove all remote login services (i.e. SSH) from the image. 
E)  Remove all private SSH keys from the image.

Question 20

When running a Linux Virtual Server (LVS) cluster, what is the purpose of a nanny process?

Accepted Answer

A)  Each nanny process checks the state of one configured service on one real server, and tells LVS if the service on that real server is malfunctioning. 
B)  The nanny process powers off a nonfunctional backend server. 
C)  The nanny process restarts the daemon of a failed service on a real server node. 
D)  The nanny process changes the IP routing table in the Linux kernel according to the LVS configuration. 
A)  Each nanny process checks the state of one configured service on one real server, and tells LVS if the service on that real server is malfunctioning. 
B)  The nanny process powers off a nonfunctional backend server. 
C)  The nanny process restarts the daemon of a failed service on a real server node. 
D)  The nanny process changes the IP routing table in the Linux kernel according to the LVS configuration.

Which of the following resources are directly (i.e. without specialized machine images) available to users of an OpenStack cloud?

Which of the following statements are true regarding hardware based virtualization?

When migrating a physical machine to a full virtualized machine, which of the following properties should be expected to change from the perspective of the guest operating system?

Which function is not supported in a GFS2 filesystem?

Which of the following is true regarding the CPU of a KVM virtual machine?

After the Xen guest configuration file debian.cfg has been created and successfully tested, which additional action must be performed in order to make this Xen guest start automatically every time the host system boots?

SIMULATION When using direct Linux booting to start Linux within a KVM virtual machine, which KVM parameter is used to specify parameters for the Linux Kernel? (Specify ONLY the option name without any values or parameters.)

Which of the following KVM parameters is identical to the KVM parameter -hdb file.img?

Which one of the following should NOT be used as a lowlevel device for DRBD?

SIMULATION In order to determine if a virtualization host offers Intel VT-x support, which CPU flag must be searched for in the file /proc/cpuinfo? (Specify the name of the CPU flag as it is mentioned in the given file only without any additional information.)

When used with KVM, which of the following block device image formats support snapshots?

What is the purpose of the Cluster Configuration System (CCS)?

Which of the following commands lists the snapshots existing in the disk image vm1.img?

Which of the following sections are found in the Pacemaker configuration XML file?

What is the usual way to gain command line access to computing instances in an IaaS cloud?

Which command within virsh lists the virtual machines that are available on the current host?

Which of the following commands can be used to determine whether the local machine is capable of running full virtualized Xen guests?

When preparing a public machine image for the provisioning of new cloud computing instances, which of the following steps should be done?

When running a Linux Virtual Server (LVS) cluster, what is the purpose of a nanny process?

Entry Level Linux Essentials Certificate of Achievement

Linux Essentials Certificate Exam, version 1.6

LPI Level 1 Exam 101, Junior Level Linux Certification, Part 1 of 2

LPIC-1 Exam 101

LPI Level 1 Exam 102, Junior Level Linux Certification, Part 2 of 2

LPI Level 1

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LPIC-2 Exam 202

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Exam 11: LPIC-3 Virtualization & High Availability

Which of the following resources are directly (i.e. without specialized machine images) available to users of an OpenStack cloud?

Which of the following statements are true regarding hardware based virtualization?

When migrating a physical machine to a full virtualized machine, which of the following properties should be expected to change from the perspective of the guest operating system?

Which function is not supported in a GFS2 filesystem?

Which of the following is true regarding the CPU of a KVM virtual machine?

After the Xen guest configuration file debian.cfg has been created and successfully tested, which additional action must be performed in order to make this Xen guest start automatically every time the host system boots?

SIMULATION When using direct Linux booting to start Linux within a KVM virtual machine, which KVM parameter is used to specify parameters for the Linux Kernel? (Specify ONLY the option name without any values or parameters.)

Which of the following KVM parameters is identical to the KVM parameter -hdb file.img?

Which one of the following should NOT be used as a lowlevel device for DRBD?

SIMULATION In order to determine if a virtualization host offers Intel VT-x support, which CPU flag must be searched for in the file /proc/cpuinfo? (Specify the name of the CPU flag as it is mentioned in the given file only without any additional information.)

When used with KVM, which of the following block device image formats support snapshots?

What is the purpose of the Cluster Configuration System (CCS)?

Which of the following commands lists the snapshots existing in the disk image vm1.img?

Which of the following sections are found in the Pacemaker configuration XML file?

What is the usual way to gain command line access to computing instances in an IaaS cloud?

Which command within virsh lists the virtual machines that are available on the current host?

Which of the following commands can be used to determine whether the local machine is capable of running full virtualized Xen guests?

When preparing a public machine image for the provisioning of new cloud computing instances, which of the following steps should be done?

When running a Linux Virtual Server (LVS) cluster, what is the purpose of a nanny process?

Entry Level Linux Essentials Certificate of Achievement

Linux Essentials Certificate Exam, version 1.6

LPI Level 1 Exam 101, Junior Level Linux Certification, Part 1 of 2

LPIC-1 Exam 101

LPI Level 1 Exam 102, Junior Level Linux Certification, Part 2 of 2

LPI Level 1

LPIC-2 Exam 201

LPIC-2 Exam 202

LPIC-3 Exam 300: Mixed Environments

Security

LPIC-OT Exam 701: DevOps Tools Engineer

Filters