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305-300 LPIC-3: Virtualization and Containerization - Exam 305, version 3.0 Questions and Answers

Questions 4

What is the purpose of capabilities in the context of container virtualization?

Options:

A.

Map potentially dangerous system calls to an emulation layer provided by the container virtualization.

B.

Restrict the disk space a container can consume.

C.

Enable memory deduplication to cache files which exist in multiple containers.

D.

Allow regular users to start containers with elevated permissions.

E.

Prevent processes from performing actions which might infringe the container.

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Questions 5

Which of the following values are valid in the type attribute of aelement in a libvirt domain definition? (Choose two.)

Options:

A.

proc

B.

namespace

C.

kvm

D.

cgroup

E.

Ixc

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Questions 6

What does IaaS stand for?

Options:

A.

Information as a Service

B.

Intelligence as a Service

C.

Integration as a Service

D.

Instances as a Service

E.

Infrastructure as a Service

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Questions 7

What is the purpose of the commandvagrant init?

Options:

A.

It executes a provisioning tool in a running box.

B.

It starts a Vagrant box.

C.

It creates a Vagrant configuration file.

D.

It installs Vagrant on a Linux host.

E.

It downloads a Vagrant box.

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Questions 8

What is the purpose of the packer inspect subcommand?

Options:

A.

Retrieve files from an existing Packer image.

B.

Execute commands within a running instance of a Packer image.

C.

List the artifacts created during the build process of a Packer image.

D.

Show usage statistics of a Packer image.

E.

Display an overview of the configuration contained in a Packer template.

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Questions 9

Which of the following commands moves the libvirt domainweb1from the current host system to the host systemhost2?

Options:

A.

virsh node-update host1=-dom:web1 host2=+dom:web1

B.

virsh pool-add host2 web1

C.

virsh migrate web1 qemu+ssh://host2/system

D.

virsh patch web1 .Domain.Node=host2

E.

virsh cp .:web1 host2:web1

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Questions 10

Which CPU flag indicates the hardware virtualization capability on an AMD CPU?

Options:

A.

HVM

B.

VIRT

C.

SVM

D.

PVM

E.

VMX

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Questions 11

FILL BLANK

What LXC command lists containers sorted by their CPU, block I/O or memory consumption? (Specify ONLY the command without any path or parameters.)

Options:

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Questions 12

Virtualization of which hardware component is facilitated by CPUs supporting nested page table extensions, such as Intel Extended Page Table (EPT) or AMD Rapid Virtualization Indexing (RVI)?

Options:

A.

Memory

B.

Network Interfaces

C.

Host Bus Adapters

D.

Hard Disks

E.

IO Cache

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Questions 13

FILL BLANK

What is the default path to the Docker daemon configuration file on Linux? (Specify the full name of the file,Including path.)

Options:

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Questions 14

Which of the following kinds of data cancloud-initprocess directly from user-data? (Choose three.)

Options:

A.

Shell scripts to execute

B.

Lists of URLs to import

C.

ISO images to boot from

D.

cloud-config declarations in YAML

E.

Base64-encoded binary files to execute

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Questions 15

Which of the following statements is true regarding the following output ofxl list:

Options:

A.

Both Debian and Ubuntu require xl commands to start running.

B.

The domain with ID 2 uses Para virtualization.

C.

CentOS is the domain which has consumed the most CPU time.

D.

Ubuntu is idle or waiting for I/O.

E.

It is necessary to use the xl command to change Ubuntu’s state to running.

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Questions 16

Which of the following services can QEMU provide in a user network? (Choose three.)

Options:

A.

DHCP

B.

BGP

C.

CIFS

D.

AppleTalk

E.

TFTP

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Questions 17

A clone of a previously used virtual machine should be created. All VM specific information, such as user accounts, shell histories and SSH host keys should be removed from the cloned disk image. Which of the following tools can perform these tasks?

Options:

A.

virc-reset

B.

virt-sparsi

C.

virt-rescue

D.

virt-svspre

E.

sysprep

F.

vire-wipe

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Questions 18

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

Options:

A.

The hygervisor may provide fine-grained limits to internal elements of the guest operating system such as the number of processes.

B.

The hypervisor provides each virtual machine with hardware of a defined capacity that limits the resources of the virtual machine.

C.

Full virtualization cannot pose any limits to virtual machines and always assigns the host system's resources in a first-come-first-serve manner.

D.

All processes created within the virtual machines are transparently and equally scheduled in the host system for CPU and I/O usage.

E.

It is up to the virtual machine to use its assigned hardware resources and create, for example, an arbitrary amount of network sockets.

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Exam Code: 305-300
Exam Name: LPIC-3: Virtualization and Containerization - Exam 305, version 3.0
Last Update: Apr 11, 2024
Questions: 60
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