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Lpi 305-300 Exam Syllabus Topics:

SectionWeightObjectives
VM Deployment and Provisioning10%- Cloud Management Tools
  • 1. Basic feature knowledge of commonly available cloud management tools
  • 2. Common offerings in public clouds
- Vagrant
  • 1. Provisioning of virtual machines with Vagrant
  • 2. Vagrantfiles and providers
  • 3. Use Vagrant to manage virtual machines
- Cloud Init
  • 1. Using cloud-init for instance initialization
  • 2. Cloud-init configuration and modules
- Packer
  • 1. Packer templates and builders
  • 2. Using Packer for automated image building
Full Virtualization25%- QEMU
  • 1. QEMU command line tools
  • 2. QEMU networking
  • 3. QEMU machine types
  • 4. Install, configure, maintain, migrate and troubleshoot QEMU installations
- Libvirt Virtual Machine Management
  • 1. Virtual networking and storage management
  • 2. Domain XML configuration
  • 3. Snapshots and migrations
  • 4. Manage virtualization hosts and VMs (libvirt domains) using libvirt and related tools
  • 5. virt-install options
  • 6. virsh command usage (list, define, undefine, start, stop)
- Xen
  • 1. Xen version 4.x
  • 2. Domain configuration
  • 3. Xen management tools
  • 4. Install, configure, maintain, migrate and troubleshoot Xen installations
- Virtual Machine Disk Image Management
  • 1. Accessing data stored within an image
  • 2. Converting disk images between formats and hypervisors
  • 3. qcow2 vs raw formats
  • 4. qemu-img info, convert, resize operations
  • 5. Manage virtual machines disk images
  • 6. Backing file chains and snapshot handling
- Virtualization Concepts and Theory
  • 1. Hardware virtualization extensions (VT-x/AMD-V)
  • 2. Xen, QEMU and libvirt terminology
  • 3. Hypervisor architectures
  • 4. General concepts, theory and terminology of virtualization
  • 5. Device emulation vs paravirtual drivers
Container Virtualization25%- Container Orchestration Platforms
  • 1. Understanding container orchestration importance
  • 2. Docker Swarm key concepts
  • 3. Kubernetes key concepts
  • 4. Docker Compose
- LXC
  • 1. LXC version 3.0 or higher
  • 2. Use system containers using LXC and LXD
  • 3. Resource limits configuration
  • 4. LXC/LXD profiles and images
- Container Virtualization Concepts
  • 1. Linux kernel components: namespaces and cgroups
  • 2. Linux capabilities
  • 3. Concept of container virtualization
  • 4. Differences between system containers and application containers
  • 5. Troubleshooting container components using standard Linux tools
- Docker
  • 1. Managing volumes and networks
  • 2. Deploying applications with Docker
  • 3. Manage Docker nodes and Docker containers
  • 4. Building images with Dockerfiles
  • 5. How Docker interacts with the node's Linux system
  • 6. Docker architecture

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Lpi LPIC-3 Exam 305: Virtualization and Containerization Sample Questions (Q47-Q52):

NEW QUESTION # 47
Which sub-command of xl lists the block devices they are currently attached to a Xen guest domain?

Answer:

Explanation:
block-list
Explanation:
In Xen virtualization, thexltoolstack provides commands to manage and inspect guest domains. According to Xen documentation, theblock-listsub-command is used to list allblock devicescurrently attached to a specific Xen guest domain.
This command displays information such as virtual device names, backend devices, and access modes, allowing administrators to verify disk attachments and troubleshoot storage-related issues. It is commonly used after attaching or detaching disks using block-attach or block-detach.
Therefore, the correct and documented sub-command isblock-list.


NEW QUESTION # 48
What is the default provider of Vagrant?

Answer: A

Explanation:
Explanation
Vagrant is a tool that allows users to create and configure lightweight, reproducible, and portable development environments. Vagrant supports multiple providers, which are the backends that Vagrant uses to create and manage the virtual machines. By default, VirtualBox is the default provider for Vagrant. VirtualBox is still the most accessible platform to use Vagrant: it is free, cross-platform, and has been supported by Vagrant for years. With VirtualBox as the default provider, it provides the lowest friction for new users to get started with Vagrant. However, users can also use other providers, such as VMware, Hyper-V, Docker, or LXC, depending on their preferences and needs. To use another provider, users must install it as a Vagrant plugin and specify it when running Vagrant commands. Users can also change the default provider by setting the VAGRANT_DEFAULT_PROVIDER environmental variable. References:
* Default Provider - Providers | Vagrant | HashiCorp Developer1
* Providers | Vagrant | HashiCorp Developer2
* How To Set Default Vagrant Provider to Virtualbox3


NEW QUESTION # 49
What does IaaS stand for?

Answer: E

Explanation:
Explanation
IaaS is a type of cloud computing service that offers essential compute, storage, and networking resources on demand, on a pay-as-you-go basis. IaaS is one of the four types of cloud services, along with software as a service (SaaS), platform as a service (PaaS), and serverless12. IaaS eliminates the need for enterprises to procure, configure, or manage infrastructure themselves, and they only pay for what they use23. Some examples of IaaS providers are Microsoft Azure, Google Cloud, and Amazon Web Services.


NEW QUESTION # 50
FILL BLANK
What is the default path to the Docker daemon configuration file on Linux? (Specify the full name of the file,Including path.)

Answer:

Explanation:
/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


NEW QUESTION # 51
Which of the following are true regarding the CPU of a QEMU virtual machine? (Choose two.)

Answer: B,C

Explanation:
Explanation
The CPU architecture of a QEMU virtual machine is independent of the host system's architecture. QEMU can emulate many CPU architectures, including x86, ARM, Alpha, and SPARC, regardless of the host system's architecture1. This allows QEMU to run guest operating systems that are not compatible with the host system's hardware. Therefore, option A is correct. QEMU virtual machines support multiple virtual CPUs in order to run SMP systems. QEMU uses the concept of virtual CPUs (vCPUs) to map the virtual machines to physical CPUs. Each vCPU is a thread that runs on a physical CPU core. QEMU allows the user to specify the number of vCPUs and the CPU model for each virtual machine. QEMU can run SMP systems with multiple vCPUs, as well as single-processor systems with one vCPU2. Therefore, option E is also correct. The other options are incorrect because they do not describe the CPU of a QEMU virtual machine. Option B is wrong because QEMU virtual machines can have more than one CPU with more than one core. Option C is wrong because QEMU does not require a dedicated physical CPU core for each virtual machine. QEMU can share the physical CPU cores among multiple virtual machines, depending on the load and the scheduling policy.
Option D is wrong because QEMU does not use the term CPU, but vCPU, to refer to the virtual machines' processors. References:
* QEMU vs VirtualBox: What's the difference? - LinuxConfig.org
* QEMU / KVM CPU model configuration - QEMU documentation
* Introduction - QEMU documentation
* Qemu/KVM Virtual Machines - Proxmox Virtual Environment


NEW QUESTION # 52
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