Question 1

Which file format is used by libvirt to store configuration data?

Accepted Answer

A)  INI-style text files 
B)  Text files containing key/value pairs 
C)  Java-like .properties files 
D)  XML files 
E)  SQLite databases 
A)  INI-style text files 
B)  Text files containing key/value pairs 
C)  Java-like .properties files 
D)  XML files 
E)  SQLite databases

Question 2

Which of the following commands can be used to change properties such as the number of node slots or the label of an existing OCFS2 filesystem?

Accepted Answer

A)  ocfs2.setprops 
B)  ocfs2tool 
C)  crm_edit 
D)  tunefs.ocfs2 
E)  o2cbtool 
A)  ocfs2.setprops 
B)  ocfs2tool 
C)  crm_edit 
D)  tunefs.ocfs2 
E)  o2cbtool

Question 3

What does IaaS stand for?

Accepted Answer

A)  Integration as a Service 
B)  Intelligence as a Service 
C)  Instances as a Service 
D)  Infrastructure as a Service 
E)  Information as a Service 
A)  Integration as a Service 
B)  Intelligence as a Service 
C)  Instances as a Service 
D)  Infrastructure as a Service 
E)  Information as a Service

Question 4

Which of the following statements is true regarding VirtualBox?

Accepted Answer

A)  VirtualBox uses container-based virtualization and can only run virtual machines using the operating system of the host system. 
B)  VirtualBox can only be run from a graphical desktop environment and not from the text console. 
C)  VirtualBox provides special device drivers for several operating systems to enhance the virtual machine's performance. 
D)  VirtualBox contains a hypervisor that runs independently from any other operating system on a bare metal host. 
E)  VirtualBox is part of the vanilla Linux kernel and does not require any additional software installation on recent Linux distributions. 
A)  VirtualBox uses container-based virtualization and can only run virtual machines using the operating system of the host system. 
B)  VirtualBox can only be run from a graphical desktop environment and not from the text console. 
C)  VirtualBox provides special device drivers for several operating systems to enhance the virtual machine's performance. 
D)  VirtualBox contains a hypervisor that runs independently from any other operating system on a bare metal host. 
E)  VirtualBox is part of the vanilla Linux kernel and does not require any additional software installation on recent Linux distributions.

Question 5

Which of the following situations can result in a split brain situation in a high availability cluster?

Accepted Answer

A)  The load balancer of a load balanced cluster fails. 
B)  The communication between the cluster nodes is interrupted. 
C)  Cluster services are moved between cluster nodes. 
D)  More than one node is active in a load balanced cluster. 
E)  A cluster node has successfully been fenced. 
A)  The load balancer of a load balanced cluster fails. 
B)  The communication between the cluster nodes is interrupted. 
C)  Cluster services are moved between cluster nodes. 
D)  More than one node is active in a load balanced cluster. 
E)  A cluster node has successfully been fenced.

Question 6

Which of the following are valid load balancing algorithms for HAProxy?

Accepted Answer

A)  persistent 
B)  weightedrr 
C)  source 
D)  leastconn 
E)  destination 
A)  persistent 
B)  weightedrr 
C)  source 
D)  leastconn 
E)  destination

Question 7

Which of the following restrictions is true when using KVM with the User Network?

Accepted Answer

A)  Virtual Machines must use a SOCKS proxy to connect to the internet. 
B)  Virtual Machines can communicate with the host system and with other virtual machines using User Network. 
C)  Virtual Machines can only communicate with other virtual machines but not with the host system. 
D)  Virtual Machines cannot use ICMP. 
E)  Virtual Machines are restricted to only use IPv6 and not IPv4. 
A)  Virtual Machines must use a SOCKS proxy to connect to the internet. 
B)  Virtual Machines can communicate with the host system and with other virtual machines using User Network. 
C)  Virtual Machines can only communicate with other virtual machines but not with the host system. 
D)  Virtual Machines cannot use ICMP. 
E)  Virtual Machines are restricted to only use IPv6 and not IPv4.

Question 8

Which configuration setting ultimately determines which server will be the MASTER with keepalived?

Accepted Answer

A)  advert_int 
B)  state 
C)  type 
D)  priority 
A)  advert_int 
B)  state 
C)  type 
D)  priority

Question 9

Which of the following statements describes fencing resources in a high availability cluster?

Accepted Answer

A)  Fencing is the automated stop and restart of cluster services that suffer from software errors. 
B)  Fencing is the disconnection of a failed cluster node from any other cluster resources. 
C)  Fencing is the forwarding of incoming network connections to backend servers. 
D)  Fencing is the assignment of services to different cluster nodes to avoid interference of the services. 
E)  Fencing is the accounting and limitation of disk usage on shared storage. 
A)  Fencing is the automated stop and restart of cluster services that suffer from software errors. 
B)  Fencing is the disconnection of a failed cluster node from any other cluster resources. 
C)  Fencing is the forwarding of incoming network connections to backend servers. 
D)  Fencing is the assignment of services to different cluster nodes to avoid interference of the services. 
E)  Fencing is the accounting and limitation of disk usage on shared storage.

Question 10

SIMULATION Which command is used to edit and display the running Linux Virtual Server (LVS) configuration? (Specify ONLY the command without any path or parameters.)

Accepted Answer

The answer of SIMULATION Which command is used to edit...

Question 11

When using the gatewaying/direct routing forwarding method of Linux Virtual Server (LVS), which of the following statements is true?

Accepted Answer

A)  The default route of all backend servers must point to the LVS host. 
B)  Every backend server must accept packets addressed to the IP address of the virtual service. 
C)  On the backend servers, all packets appear to originate from the IP address of the LVS host. 
D)  The link layer addresses of all backend servers must be included in the LVS configuration. 
E)  When using gatewaying/direct routing, only the round robin algorithm is available. 
A)  The default route of all backend servers must point to the LVS host. 
B)  Every backend server must accept packets addressed to the IP address of the virtual service. 
C)  On the backend servers, all packets appear to originate from the IP address of the LVS host. 
D)  The link layer addresses of all backend servers must be included in the LVS configuration. 
E)  When using gatewaying/direct routing, only the round robin algorithm is available.

Question 12

Which of the following statements describes the concept behind paravirtualization?

Accepted Answer

A)  Guest operating systems are modified to actively cooperate with the hypervisor in order to ease virtualization costs and gain better performance. 
B)  Instead of running full virtual machines, containers are used to separate distinct parts of one commonly shared operating system that appear as a virtual machine. 
C)  To avoid the need for virtualization, special security measures are taken to allow different applications to coexist on one physical machine. 
D)  Each operating system is trusted to use only those resources assigned to it, thereby eliminating the need of an additional virtualization layer. 
A)  Guest operating systems are modified to actively cooperate with the hypervisor in order to ease virtualization costs and gain better performance. 
B)  Instead of running full virtual machines, containers are used to separate distinct parts of one commonly shared operating system that appear as a virtual machine. 
C)  To avoid the need for virtualization, special security measures are taken to allow different applications to coexist on one physical machine. 
D)  Each operating system is trusted to use only those resources assigned to it, thereby eliminating the need of an additional virtualization layer.

Question 13

Which of the following types of guest systems does Xen support?

Accepted Answer

A)  Paravirtualized guests (PV) 
B)  Foreign architecture guests (F
A)  
C)  Fully virtualized guests (HVM) 
D)  Container virtualized guests (CVM) 
E)  Emulated guests (EMU) 
A)  Paravirtualized guests (PV) 
B)  Foreign architecture guests (F
A)  
C)  Fully virtualized guests (HVM) 
D)  Container virtualized guests (CVM) 
E)  Emulated guests (EMU)

Question 14

Which of the following tools is used to interact with XenStore?

Accepted Answer

A)  xenstore-ls 
B)  xendo 
C)  xs 
D)  xl store 
E)  xstore 
A)  xenstore-ls 
B)  xendo 
C)  xs 
D)  xl store 
E)  xstore

Question 15

Which of the following configuration settings specify that keepalived is to use the round robin algorithm?

Accepted Answer

A)  lb_mode rr 
B)  lb_algo rr 
C)  loadbalancer_mode=rr 
D)  algorithm=round robin 
E)  lb_algorithm=rr 
A)  lb_mode rr 
B)  lb_algo rr 
C)  loadbalancer_mode=rr 
D)  algorithm=round robin 
E)  lb_algorithm=rr

Question 16

Which of the following statements is true regarding journals of a GFS2 filesystem?

Accepted Answer

A)  Each GFS2 filesystem has exactly one journal. 
B)  Once a GFS2 filesystem is created, the number of journals cannot be changed. 
C)  Every node that simultaneously mounts the filesystem requires its own GFS2 journal. 
D)  Journals were heavily used in GFS and are deprecated and optional in GFS2. 
E)  The GFS Cluster Journal Daemon, GCJD, handles the journaling in a GFS2 cluster. 
A)  Each GFS2 filesystem has exactly one journal. 
B)  Once a GFS2 filesystem is created, the number of journals cannot be changed. 
C)  Every node that simultaneously mounts the filesystem requires its own GFS2 journal. 
D)  Journals were heavily used in GFS and are deprecated and optional in GFS2. 
E)  The GFS Cluster Journal Daemon, GCJD, handles the journaling in a GFS2 cluster.

Question 17

Which of the following KVM monitor commands changes the image file in the first IDE CDROM drive of a virtual machine?

Accepted Answer

A)  change ide1-cd0 /tmp/linux.iso 
B)  update ide1-cd0 /tmp/linux.iso 
C)  set ide1-cd0=/tmp/linux.iso 
D)  eject --reconnect ide1-cd0 /tmp/linux.iso 
E)  disc file=/tmp/linux.iso,device=/dev/sr0 
A)  change ide1-cd0 /tmp/linux.iso 
B)  update ide1-cd0 /tmp/linux.iso 
C)  set ide1-cd0=/tmp/linux.iso 
D)  eject --reconnect ide1-cd0 /tmp/linux.iso 
E)  disc file=/tmp/linux.iso,device=/dev/sr0

Question 18

Which of the following statements are true regarding OCFS2?

Accepted Answer

A)  OCFS2 is an integral part of Pacemaker and relies on Pacemaker services for functionality. 
B)  To avoid the need for shared storage, OCFS2 can replicate the content of its filesystems via the network. 
C)  When using OCFS2 with additional cluster software, OCFS2 must be integrated into the overall cluster manager to ensure consistent cluster behaviour. 
D)  OCFS2 can be used without any additional software as it contains its own cluster manager, O2CB. 
E)  In addition to filesystems, OCFS2 can handle other cluster services such as IP addresses and server daemons. 
A)  OCFS2 is an integral part of Pacemaker and relies on Pacemaker services for functionality. 
B)  To avoid the need for shared storage, OCFS2 can replicate the content of its filesystems via the network. 
C)  When using OCFS2 with additional cluster software, OCFS2 must be integrated into the overall cluster manager to ensure consistent cluster behaviour. 
D)  OCFS2 can be used without any additional software as it contains its own cluster manager, O2CB. 
E)  In addition to filesystems, OCFS2 can handle other cluster services such as IP addresses and server daemons.

Question 19

In keepalived, what keyword starts the configuration section for one of the failover servers?

Accepted Answer

A)  lvs_server 
B)  virtual_server 
C)  vrrp_instance 
D)  vrrp_sync_group 
A)  lvs_server 
B)  virtual_server 
C)  vrrp_instance 
D)  vrrp_sync_group

Which file format is used by libvirt to store configuration data?

Which of the following commands can be used to change properties such as the number of node slots or the label of an existing OCFS2 filesystem?

What does IaaS stand for?

Which of the following statements is true regarding VirtualBox?

Which of the following situations can result in a split brain situation in a high availability cluster?

Which of the following are valid load balancing algorithms for HAProxy?

Which of the following restrictions is true when using KVM with the User Network?

Which configuration setting ultimately determines which server will be the MASTER with keepalived?

Which of the following statements describes fencing resources in a high availability cluster?

SIMULATION Which command is used to edit and display the running Linux Virtual Server (LVS) configuration? (Specify ONLY the command without any path or parameters.)

When using the gatewaying/direct routing forwarding method of Linux Virtual Server (LVS), which of the following statements is true?

Which of the following statements describes the concept behind paravirtualization?

Which of the following types of guest systems does Xen support?

Which of the following tools is used to interact with XenStore?

Which of the following configuration settings specify that keepalived is to use the round robin algorithm?

Which of the following statements is true regarding journals of a GFS2 filesystem?

Which of the following KVM monitor commands changes the image file in the first IDE CDROM drive of a virtual machine?

Which of the following statements are true regarding OCFS2?

In keepalived, what keyword starts the configuration section for one of the failover servers?

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Exam 11: LPIC-3 Virtualization & High Availability

Which file format is used by libvirt to store configuration data?

Which of the following commands can be used to change properties such as the number of node slots or the label of an existing OCFS2 filesystem?

What does IaaS stand for?

Which of the following statements is true regarding VirtualBox?

Which of the following situations can result in a split brain situation in a high availability cluster?

Which of the following are valid load balancing algorithms for HAProxy?

Which of the following restrictions is true when using KVM with the User Network?

Which configuration setting ultimately determines which server will be the MASTER with keepalived?

Which of the following statements describes fencing resources in a high availability cluster?

SIMULATION Which command is used to edit and display the running Linux Virtual Server (LVS) configuration? (Specify ONLY the command without any path or parameters.)

When using the gatewaying/direct routing forwarding method of Linux Virtual Server (LVS), which of the following statements is true?

Which of the following statements describes the concept behind paravirtualization?

Which of the following types of guest systems does Xen support?

Which of the following tools is used to interact with XenStore?

Which of the following configuration settings specify that keepalived is to use the round robin algorithm?

Which of the following statements is true regarding journals of a GFS2 filesystem?

Which of the following KVM monitor commands changes the image file in the first IDE CDROM drive of a virtual machine?

Which of the following statements are true regarding OCFS2?

In keepalived, what keyword starts the configuration section for one of the failover servers?

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

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