Lpi LPIC-3 Exam 305: Virtualization and Containerization - 305-300 FREE EXAM DUMPS QUESTIONS & ANSWERS]

Question 1

Which of the following statements are true regarding VirtualBox?

A. It requires dedicated shared storage, as it cannot store virtual machine disk images locally on block devices of the virtualization host. B. It only supports Linux as a guest operating system and cannot run Windows inside a virtual machine. C. It provides both a graphical user interface and command line tools to administer virtual machines. D. It is a hypervisor designed as a special kernel that is booted before the first regular operating system starts. E. It is available for Linux only and requires the source code of the currently running Linux kernel to be available.

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Correct Answer: C Vote an answer

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Question 2

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

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Correct Answer:

/etc/docker/daemon.json
Explanation:
The default path to the Docker daemon configuration file on Linux is /etc/docker/daemon.json. This file is a JSON file that contains the settings and options for the Docker daemon, which is the service that runs on the host operating system and manages the containers, images, networks, and other Docker resources. The /etc
/docker/daemon.json file does not exist by default, but it can be created by the user to customize the Docker daemon behavior. The file can also be specified by using the --config-file flag when starting the Docker daemon. The file must be a valid JSON object and follow the syntax and structure of the dockerd reference docs12. References:
* Docker daemon configuration file - Medium3
* Docker daemon configuration overview | Docker Docs4
* docker daemon | Docker Docs5

Question 3

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

A. virsh cp .:web1 host2:web1 B. virsh pool-add host2 web1 C. virsh patch web1 .Domain.Node=host2 D. virsh migrate web1 qemu+ssh://host2/system E. virsh node-update host1=-dom:web1 host2=+dom:web1

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Correct Answer: D Vote an answer

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Question 4

What is the purpose ofcloud-init?

A. Replace common Linux inic systems, such as systemd or SysV init. B. Orchestrate the creation and start of multiple related laaS instances. C. Assign an laaS instance to a specific computing node within a cloud. D. Prepare the generic image of an laaS instance to fit a specific instance's configuration. E. Standardize the configuration of infrastructure services, such as load balancers or virtual firewalls in a cloud.

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Correct Answer: D Vote an answer

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Question 5

Which of the following statements are true of full virtualization? (Select THREE correct answers)

A. Full virtualization requires time and system resources for emulation B. Full virtualization is faster than paravirtualization C. Full virtualization requires no modification to the Guest OS kernel D. Full virtualization has superior I/O performance through emulated device drivers E. Full virtualization works through CPU emulation

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Correct Answer: A,C,E Vote an answer

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Question 6

What is a container image?

A. A physical server B. A lightweight virtual machine C. A snapshot of an application and its dependencies D. An operating system kernel

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Correct Answer: C Vote an answer

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Question 7

After creating a new Docker network using the following command:
docker network create --driver bridge isolated_nw
which parameter must be added todocker createin order to attach a container to the network?

A. --alias=isolated_nw B. --ethernet=isolated_nw C. --eth0=isolated_nw D. --network=isolated_nw E. --attach=isolated_nw

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Correct Answer: D Vote an answer

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Question 8

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.)

Discussion 0

Correct Answer:

-append
Explanation:
When usingdirect kernel bootingwith KVM/QEMU, the-appendoption is used to passkernel command-line parametersto the Linux kernel. This allows administrators to specify boot-time options such as root filesystem location, console settings, or debugging flags.
Official QEMU documentation lists -append as the correct parameter for kernel arguments, making this answer correct.

Question 9

Which statement is true regarding the Linux kernel module that must be loaded in order to use QEMU with hardware virtualization extensions?

A. It must be loaded into the kernel of the host system only if the console of a virtual machine will be connected to a physical console of the host system B. It must be loaded into the kernel of each virtual machine that will access files and directories from the host system's file system. C. It must be loaded into the kernel of the first virtual machine as it interacts with the QEMU bare metal hypervisor and is required to trigger the start of additional virtual machines D. It must be loaded into the Kernel of the host system in order to use the visualization extensions of the host system's CPU E. It must be loaded into the kernel of each virtual machine to provide Para virtualization which is required by QEMU.

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Correct Answer: D Vote an answer

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Question 10

Which of the following network interface types are valid in an LXD container configuration? (Choose THREE)

A. physical B. wif C. macvlan D. bridged E. ipsec

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Correct Answer: A,C,D Vote an answer

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