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LPIC-3 Exam 305: Virtualization and Containerization is an advanced professional certification exam designed to assess an individual's expertise in virtualization and containerization technologies. 305-300 Exam is based on the Linux Professional Institute's (LPI) industry-standard competency-based framework and is intended for IT professionals who want to demonstrate their proficiency in deploying, managing, and securing virtualization and containerization environments.

Lpi LPIC-3 Exam 305: Virtualization and Containerization Sample Questions (Q29-Q34):

NEW QUESTION # 29
Which of the following statements are true regarding VirtualBox?

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

Answer: A

NEW QUESTION # 30
The commandvirsh vol-list vmsreturns the following error:
error: failed to get pool 'vms'
error: Storage pool not found: no storage pool with matching name 'vms ' Given that the directory/vmsexists, which of the following commands resolves this issue?

A. touch /vms/.libvirtpool
B. qemu-img pool vms:/vms
C. virsh pool-create-as vms dir --target /vms
D. libvirt-poolctl new --name=/vms --type=dir --path=/vms
E. dd if=/dev/zero of=/vms bs=1 count=0 flags=name:vms

Answer: C

NEW QUESTION # 31
FILL BLANK
Which subcommand ofvirshopens the XML configuration of a virtual network in an editor in order to make changes to that configuration? (Specify ONLY the subcommand without any parameters.)

Answer:

Explanation:
net-edit
Explanation
The subcommand of virsh that opens the XML configuration of a virtual network in an editor in order to make changes to that configuration is net-edit1. This subcommand takes the name or UUID of the network as a parameter and opens the network XML file in the default editor, which is specified by the $EDITOR shell variable1. The changes made to the network configuration are applied immediately after saving and exiting the editor1.
References:
* 1: net-edit - libvirt.

NEW QUESTION # 32
Which of the following statements are true regarding a Pod in Kubernetes? (Choose two.)

A. Pods are always created automatically and cannot be explicitly configured.
B. A Pod is the smallest unit of workload Kubernetes can run.
C. All containers of a Pod run on the same node.
D. systemd is used to manage individual Pods on the Kubernetes nodes.
E. When a Pod fails, Kubernetes restarts the Pod on another node by default.

Answer: B,C

Explanation:
Explanation
A Pod in Kubernetes is a collection of one or more containers that share the same network and storage resources, and a specification for how to run the containers. A Pod is the smallest unit of workload Kubernetes can run, meaning that it cannot be divided into smaller units. Therefore, option C is correct. All containers of a Pod run on the same node, which is the smallest unit of computing hardware in Kubernetes. A node is a physical or virtual machine that hosts one or more Pods. Therefore, option A is also correct. Pods are not always created automatically and cannot be explicitly configured. Pods can be created manually using YAML or JSON files, or using commands like kubectl run or kubectl create. Pods can also be created automatically by higher-level controllers, such as Deployment, ReplicaSet, or StatefulSet. Therefore, option B is incorrect.
When a Pod fails, Kubernetes does not restart the Pod on another node by default. Pods are ephemeral by nature, meaning that they can be terminated or deleted at any time. If a Pod is managed by a controller, the controller will create a new Pod to replace the failed one, but it may not be on the same node. Therefore, option D is incorrect. systemd is not used to manage individual Pods on the Kubernetes nodes. systemd is a system and service manager for Linux operating systems that can start and stop services, such as docker or kubelet. However, systemd does not interact with Podsdirectly. Pods are managed by the kubelet service, which is an agent that runs on each node and communicates with the Kubernetes control plane. Therefore, option E is incorrect. References:
* Pods | Kubernetes
* What is a Kubernetes pod? - Red Hat
* What's the difference between a pod, a cluster, and a container?
* What are Kubernetes Pods? | VMware Glossary
* Kubernetes Node Vs. Pod Vs.Cluster: Key Differences - CloudZero

NEW QUESTION # 33
How does Packer interact with system images?

A. Packer periodically connects through the network to the Packer daemons of all running Packer images in order to re-apply the whole template to the running instance.
B. Packer downloads and extracts an image in order to make changes to the image's file system, repack the modified image and upload it again.
C. Packer installs a client within the image which has to be run periodically via cron in order to retrieve the latest template from the Packer server and apply it locally.
D. Packer has to be installed within the target image and is executed during the image's first boot in order to execute preparation tasks.
E. Packer creates an instance based on a source image, prepares the instance through a network connection and bundles the resulting instance as a new system image.

Answer: E

NEW QUESTION # 34
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