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Lpi 305-300 Exam Syllabus Topics:

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

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Lpi LPIC-3 Exam 305: Virtualization and Containerization Sample Questions (Q79-Q84):

NEW QUESTION # 79
Which file in acgroupdirectory contains the list of processes belonging to thiscgroup?

Answer: B

Explanation:
Explanation
The file procs in a cgroup directory contains the list of processes belonging to this cgroup. Each line in the file shows the PID of a process that is a member of the cgroup. A process can be moved to a cgroup by writing its PID into the cgroup's procs file. For example, to move the process with PID 24982 to the cgroup cg1, the following command can be used: echo 24982 > /sys/fs/cgroup/cg1/procs1. The file procs is different from the file tasks, which lists the threads belonging to the cgroup. The file procs can be used to move all threads in a thread group at once, while the file tasks can be used to move individual threads2. References:
* Creating and organizing cgroups cgroup2 - GitHub Pages
* Control Groups - The Linux Kernel documentation


NEW QUESTION # 80
Which of the following are container orchestration platforms?

Answer: B,C

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 # 81
Which virsh subcommand is used to change the CD-ROM image file attached to a virtual machine?

Answer:

Explanation:
change-media
Explanation:
In libvirt-based virtualization environments, thevirsh change-mediasubcommand is used to change the media attached to removable devices such asCD-ROM drives. According to libvirt documentation, this command allows administrators to insert or eject ISO images from a running virtual machine without shutting it down.
This functionality is commonly used during operating system installations or software updates. The change- media command supports both live and persistent changes depending on the options used.
Therefore, the correct and documented answer ischange-media.


NEW QUESTION # 82
Which of the following values are valid in the type attribute of a<domain>element in a libvirt domain definition? (Choose two.)

Answer: B,D


NEW QUESTION # 83
Which of the following components are essential in Docker architecture? (Select all that apply)

Answer: A,B,D

Explanation:
Docker architecture consists of several core components that enable container creation and management.
According to Docker documentation, theDocker Client,Docker Daemon, andDocker Registryare essential components.
TheDocker Clientis the user-facing command-line interface that sends commands to the daemon. TheDocker Daemon (dockerd)performs the heavy lifting, such as building images, running containers, and managing networks and storage. TheDocker Registrystores container images, enabling image distribution and reuse.
Docker Composeis an optional orchestration tool used to define and run multi-container applications, but it is not an essential architectural component.
Therefore, the correct answers areA, C, and D.


NEW QUESTION # 84
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