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Lpi 305-300 Exam Syllabus Topics:

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

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Lpi LPIC-3 Exam 305: Virtualization and Containerization Sample Questions (Q111-Q116):

NEW QUESTION # 111
Which of the following are container orchestration platforms?

Answer: B,D

Explanation:
Container orchestration platforms are responsible fordeploying, scaling, networking, and managing containerized applicationsacross multiple hosts. According to containerization documentation,Docker SwarmandKubernetesare recognized container orchestration platforms.
Docker Swarmis Docker's native orchestration solution, providing clustering, service discovery, load balancing, and rolling updates.Kubernetesis the industry-standard orchestration platform, offering advanced scheduling, self-healing, horizontal scaling, and declarative configuration.
Docker Composeis not considered a full orchestration platform; it is primarily designed fordefining and running multi-container applications on a single host, mainly for development and testing.LXCis a container runtime and system container technology, not an orchestration framework.
Container documentation clearly distinguishes orchestration platforms from runtimes and local development tools. Therefore, the correct answers areB and D.


NEW QUESTION # 112
Which of the following network interface types are valid in an LXD container configuration? (Choose three.)

Answer: A,B,E

Explanation:
Explanation
LXD supports the following network interface types in an LXD container configuration1:
* macvlan: Creates a virtual interface on the host with a unique MAC address and attaches it to an existing physical interface. This allows the container to have direct access to the physical network, but prevents communication with the host and other containers on the same host2.
* bridged: Connects the container to an existing bridge interface on the host. This allows the container to communicate with the host and other containers on the same bridge, as well as the external network if the bridge is connected to a physical interface3.
* physical: Passes an existing physical interface on the host to the container. This allows the container to have exclusive access to the physical network, but removes the interface from the host4.
The other network interface types, ipsec and wifi, are not valid in an LXD container configuration. Ipsec is a protocol for secure communication over IP networks, not a network interface type. Wifi is a wireless technology for connecting devices to a network, not a network interface type. References:
* About networking - Canonical LXD documentation
* Macvlan network - Canonical LXD documentation
* Bridge network - Canonical LXD documentation
* Physical network - Canonical LXD documentation


NEW QUESTION # 113
When using Packer to create machine images, what are some common sources for base images? (Select all that apply)

Answer: A,C

Explanation:
Packer is an image automation tool used to create identical machine images for multiple platforms from a single configuration. According to virtualization and containerization documentation, Packer typically uses trusted and standardized base imagesas the starting point for image creation. The most common sources includeofficial operating system imagesprovided by vendors such as Red Hat, Ubuntu, or cloud service providers, andcustom images created internally by an organization.
Using official images ensures that the base system is secure, properly maintained, and compliant with vendor standards. Organizations often build custom base images to enforce internal security policies, hardening standards, and preinstalled software, which Packer then extends into environment-specific images.
Physical servers are not considered common or practical base sources for Packer, as Packer operates on machine image artifacts rather than cloning live hardware systems. Images from untrusted sources are explicitly discouraged in virtualization documentation due to security and compliance risks.
Therefore, documentation clearly supportscustom organizational imagesandofficial operating system imagesas the correct and recommended base sources for Packer image creation.


NEW QUESTION # 114
FILL BLANK
What LXC command starts a new process within a running LXC container? (Specify ONLY the command without any path or parameters.)

Answer:

Explanation:
lxc-attach
Explanation
The lxc-attach command allows the user to start a new process within a running LXC container12. It takes the name of the container as an argument and optionally a command to execute inside the container. If no command is specified, it creates a new shell inside the container1. For example, to list all the files in the home directory of a container named myContainer, one can use:
lxc-attach -n myContainer - ls -lh /home
References:
* 1: Executing a command inside a running LXC - Unix & Linux Stack Exchange


NEW QUESTION # 115
What is the purpose of the commandvagrantinit?

Answer: A


NEW QUESTION # 116
......

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