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Lpi 305-300 Exam Syllabus Topics:

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

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Lpi LPIC-3 Exam 305: Virtualization and Containerization Sample Questions (Q90-Q95):

NEW QUESTION # 90
How does Packer interact with system images?

Answer: A

Explanation:
Explanation
Packer is a tool that automates the creation of identical machine images for multiple platforms from a single source configuration. Packer works by creating an instance based on a source image, which is a pre-existing image that serves as a starting point. Packer then connects to the instance through a network connection, such as SSH or WinRM, and runs various commands and scripts to install and configure software within the instance. Packer then shuts down the instance and creates a new system image from it, which can be used to launch new instances. Packer supports many platforms, such as AWS, Azure, VMware, Docker, and others.
Packer does not install any software or run any daemon within the target image, nor does it periodically connect to the running instances to re-apply the template. Packer also does not modify the source image directly, but creates a new image from the modified instance. References:
* Packer by HashiCorp
* HashiCorp Packer - Build Automated Machine Images
* Introduction | Packer | HashiCorp Developer


NEW QUESTION # 91
What happens when the following command is executed twice in succession?
docker run -tid -v data:/data debian bash

Answer: E


NEW QUESTION # 92
Which CPU flag indicates the hardware virtualization capability on an AMD CPU?

Answer: C

Explanation:
The CPU flag that indicates the hardware virtualization capability on an AMD CPU is SVM. SVM stands for Secure Virtual Machine, and it is a feature of AMD processors that enables the CPU to run virtual machines with hardware assistance. SVM is also known as AMD-V, which is AMD's brand name for its virtualization technology. SVM allows the CPU to support a hypervisor, which is a software layer that creates and manages virtual machines. A hypervisor can run multiple virtual machines on a single physical machine, each with its own operating system and applications. SVM improves the performance and security of virtual machines by allowing the CPU to directly execute privileged instructions and handle memory access, instead of relying on software emulation or binary translation. SVM also provides nested virtualization, which is the ability to run a virtual machine inside another virtual machine. To use SVM, the CPU must support it and the BIOS must enable it. The user can check if the CPU supports SVM by looking for the svm flag in the /proc/cpuinfo file or by using the lscpu command. The user can also use the virt-host-validate command to verify if the CPU and the BIOS are properly configured for hardware virtualization123. References:
* How to check if CPU supports hardware virtualization (VT technology)1
* Processor support - KVM3
* How to Enable Virtualization in BIOS for Intel and AMD4


NEW QUESTION # 93
Which of the following types of guest systems does Xen support? (Choose two.)

Answer: B,D


NEW QUESTION # 94
Which directory is used bycloud-initto store status information and configuration information retrieved from external sources?

Answer: A


NEW QUESTION # 95
......

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