Lpi LPI Certifications 304-200 Questions & Answers

• Question 71:

  Which of the following statements are true regarding emulation? (Choose TWO correct answers.)

  A. Emulation can only provide distinct hardware components but no complete virtual machines.

  B. Emulation requires changes to the guest operating system.

  C. Emulation reimplements a whole computing system in software.

  D. Emulation allows operating systems to be run on foreign architectures.

  E. Emulation is one of the most resource efficient virtualization techniques.

  Correct Answer: CD

• Question 72:

  Which of the following statements are true about container-based virtualization? (Choose TWO correct answers.)

  A. All containers run within the operating system kernel of the host system.

  B. Different containers may use different distributions of the same operating system.

  C. Each container runs its own operating system kernel.

  D. Container-based virtualization relies on hardware support from the host systems CPU.

  E. Linux does not support container-based virtualization because of missing kernel APIs.

  Correct Answer: AB

• Question 73:

  How can data in a computing instance in an IaaS cloud be permanently saved and accessed even after the recreation of the computing instance? (Choose TWO correct answers.)

  A. By saving the data to the memory of the computing instance using tmpfs.

  B. By saving the data anywhere in the computing instance's file system.

  C. By saving the data to /cloud/persistent/ which is provided in all common IaaS clouds.

  D. By saving the data to object stores provided by a separate service in the cloud.

  E. By saving the data on persistent block devices that must be explicitly connected to the computing instance.

  Correct Answer: DE

• Question 74:

  What is oVirt?

  A. An extension to the Linux Kernel used to provide container virtualization similar to LXC and OpenVZ.

  B. A library that provides access to several different virtualization technologies in a common manner.

  C. A comprehensive management infrastructure for Linux-based virtualization.

  D. An approach used to eliminate the need for virtualization called Zero-Virt.

  E. A Linux-based hypervisor similar to KVM and Xen.

  Correct Answer: C

• Question 75:

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

  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.

  Correct Answer: BDE

• Question 76:

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

  A. INI-style text files

  B. Text files containing key/value pairs

  C. Java-like .properties files

  D. XML files

  E. SQLite databases

  Correct Answer: D

• Question 77:

  Which virsh subcommand is used to change the CD-ROM image file attached to a virtual machine? (Specify ONLY the subcommand without any parameters.)

  A. change-media -or- virsh change-media -or- qemu-monitor-command -or- virsh qemu-monitor-command

  Correct Answer: A

• Question 78:

  Which of the following statements is true regarding networking with libvirt?

  A. Libvirt's network functionality is limited to connecting virtual machines to a physical network interface of the host system.

  B. Libvirt networks appear, by default, as standard Linux bridges in the host system.

  C. Libvirt assigns the same MAC address to all virtual machines and isolates their network interfaces at the link layer.

  D. Libvirt requires a dedicated network interface that may not be used by the host system.

  E. Libvirt supports exactly one virtual network and connects all virtual machines to it.

  Correct Answer: B

• Question 79:

  Which of the following statements are true regarding VirtualBox?

  A. It supports only Linux as a guest operating system.

  B. It is available for Linux only.

  C. It provides both a graphical user interface and command line tools to administer virtual machines.

  D. It requires dedicated shared storage as it cannot store virtual machine disk images locally on block devices of the virtualization host.

  E. It is a special kernel booted before the first regular operating system.

  Correct Answer: C

• Question 80:

  Which command in the KVM monitor restores a snapshot? (Specify ONLY the command without any path or parameters.)

  A. loadvm

  Correct Answer: A