Lpi 304-200 Online Practice Questions and Exam Preparation

Lpi 304-200 Online Questions & Answers

• Question 51:

  Which of the following statements are true regarding the determination of the capacity of a high availability cluster? (Choose TWO correct answers.)

  A. The overall capacity of all components in the cluster doesn't have to be larger than the resources needed in a regular setup.
  B. The number of nodes in a cluster has no effect on the availability as long as the sum of the available computing resources is equal.
  C. Failover clusters can be used to scale a single service beyond the capacity of a single cluster node.
  D. In regular cluster operation, not all resources are used.
  E. In case of the failure of any component, enough resources must remain to provide all cluster services.
  D. In regular cluster operation, not all resources are used.
  E. In case of the failure of any component, enough resources must remain to provide all cluster services.

• Question 52:

  Where are paravirtualized device drivers installed?

  A. In the Guest OS
  B. In the Host OS
  C. Compiled into the hypervisor
  D. No special drivers are required for paravirtualization.
  A. In the Guest OS

• Question 53:

  Which of the following technologies are parts of the Red Hat Enterprise Linux High Availability Add-On? (Choose THREE correct answers.)

  A. DRBD
  B. LVS
  C. cLVM
  D. Pacemaker
  E. OCFS2
  B. LVS
  C. cLVM
  D. Pacemaker

• Question 54:

  When using the user mode network stack with qemu, TCP and UDP connections work fine but ping does not work. Why is this?

  A. The Qemu user mode network stack does not implement ICMP.
  B. The problem is caused by incorrect routing.
  C. The Qemu user mode network stack blocks all ICMP traffic.
  D. The Qemu user mode network stack requires explicit permission for ping to work.
  A. The Qemu user mode network stack does not implement ICMP.

• Question 55:

  Which of the following commands can be used to safely test and preview Pacemaker configuration changes? (Choose TWO correct answers.)

  A. crm_test
  B. crm_simulate
  C. crm_dryrun
  D. crm_lab
  E. crm_shadow
  B. crm_simulate
  E. crm_shadow

• Question 56:

  Which of the following statements are true regarding resource management for full virtualization? (Choose TWO correct answers.)

  A. The hypervisor may provide fine-grained limits to internal elements of the guest operating system such as the number of processes.
  B. Full virtualization cannot pose any limits to virtual machines and always assigns the host system's resources in a first-come-first-serve manner.
  C. It is up to the virtual machine to use its assigned hardware resources and create, for example, an arbitrary amount of network sockets.
  D. The hypervisor provides each virtual machine with hardware of a defined capacity that limits the resources of the virtual machine.
  E. All processes created within the virtual machines are transparently and equally scheduled in the host system for CPU and I/O usage.
  C. It is up to the virtual machine to use its assigned hardware resources and create, for example, an arbitrary amount of network sockets.
  D. The hypervisor provides each virtual machine with hardware of a defined capacity that limits the resources of the virtual machine.

• Question 57:

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

  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
  D. -drive file=file.img,index=1,media=disk,if=ide

• Question 58:

  Which of the following directives is used in the configuration file of a Xen guest domain in order to define network interfaces?

  A. vif
  B. eth
  C. vnet
  D. vbr
  E. net
  A. vif

• Question 59:

  What is true for a virtual IP address in the context of keepalived? (Choose TWO correct answers.)

  A. The distinct IP addresses of all backend servers are called virtual IP addresses.
  B. Every server running keepalived has exactly one virtual IP address and cannot have any additional virtual IP addresses.
  C. The virtual IP address is the address to which incoming connections are made in order to reach the load balancer.
  D. keepalived uses VRRP to ensure the availability of the virtual IP address.
  E. Within the whole LVS cluster managed by keepalived, the virtual IP address never appears on any network interface.
  C. The virtual IP address is the address to which incoming connections are made in order to reach the load balancer.
  D. keepalived uses VRRP to ensure the availability of the virtual IP address.

• Question 60:

  When preparing a public machine image for the provisioning of new cloud computing instances, which of the following steps should be done? (Choose TWO correct answers.)

  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.
  C. Remove all confidential data from the image.
  E. Remove all private SSH keys from the image.