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Lpi 305-300 Exam Syllabus Topics:

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

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Lpi LPIC-3 Exam 305: Virtualization and Containerization Sample Questions (Q105-Q110):

NEW QUESTION # 105
Virtualization of which hardware component is facilitated by CPUs supporting nested page table extensions, such as Intel Extended Page Table (EPT) or AMD Rapid Virtualization Indexing (RVI)?

Answer: C

Explanation:
Nested page table extensions, such as Intel Extended Page Table (EPT) or AMD Rapid Virtualization Indexing (RVI), are hardware features that facilitate the virtualization of memory. They allow the CPU to perform the translation of guest virtual addresses to host physical addresses in a single step, without the need for software-managed shadow page tables. This reduces the overhead and complexity of memory management for virtual machines, and improves their performance and isolation. Nested page table extensions do not directly affect the virtualization of other hardware components, such as network interfaces, host bus adapters, hard disks, or IO cache.
:
Second Level Address Translation - Wikipedia
c - What is use of extended page table? - Stack Overflow
Hypervisor From Scratch - Part 4: Address Translation Using Extended ...


NEW QUESTION # 106
What is Packer?

Answer: A

Explanation:
Packer is animage automation and building tooldeveloped by HashiCorp. According to virtualization and DevOps documentation, Packer is used to createmachine imagesfor multiple platforms from a single configuration file.
Packer is not an orchestration platform, configuration management tool, or hypervisor. Its primary role is to ensureconsistent, repeatable, and automated image creation, makingBthe correct answer.


NEW QUESTION # 107
Which of the following statements are true about container-based virtualization? (Choose two.)

Answer: A,B


NEW QUESTION # 108
Which of the following resources can be limited by libvirt for a KVM domain? (Choose two.)

Answer: A,C

Explanation:
Libvirt is a toolkit that provides a common API for managing different virtualization technologies, such as KVM, Xen, LXC, and others. Libvirt allows users to configure and control various aspects of a virtual machine (also called a domain), such as its CPU, memory, disk, network, and other resources. Among the resources that can be limited by libvirt for a KVM domain are:
* Amount of CPU time: Libvirt allows users to specify the number of virtual CPUs (vCPUs) that a domain can use, as well as the CPU mode, model, topology, and tuning parameters. Users can also set the CPU shares, quota, and period to control the relative or absolute amount of CPU time that a domain can consume. Additionally, users can pin vCPUs to physical CPUs or NUMA nodes to improve performance and isolation. These settings can be configured in the domain XML file under the <cpu> and <cputune> elements12.
* Size of available memory: Libvirt allows users to specify the amount of memory that a domain can use, as well as the memory backing, tuning, and NUMA node parameters. Users can also set the memory hard and soft limits, swap hard limit, and minimum guarantee to control the memory allocation and reclaim policies for a domain. These settings can be configured in the domain XML file under the <memory>, <memoryBacking>, and <memtune> elements13.
The other resources listed in the question are not directly limited by libvirt for a KVM domain. File systems allowed in the domain are determined by the disk and filesystem devices that are attached to the domain, which can be configured in the domain XML file under the <disk> and <filesystem> elements14. Number of running processes and number of available files are determined by the operating system and the file system of the domain, which are not controlled by libvirt.
:
libvirt: Domain XML format
CPU Allocation
Memory Allocation
Hard drives, floppy disks, CDROMs


NEW QUESTION # 109
Which of the following statements are true regarding resource management for full virtualization? (Choose two.)

Answer: B,D


NEW QUESTION # 110
......

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