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Lpi 305-300 Exam Syllabus Topics:

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

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Lpi LPIC-3 Exam 305: Virtualization and Containerization Sample Questions (Q51-Q56):

NEW QUESTION # 51
How do containers share the host OS kernel?

Answer: D

Explanation:
Containers operate bysharing the host operating system's kernelwhile running inisolated user spaces.
According to containerization documentation, Linux kernel features such asnamespaces and cgroupsprovide process isolation, resource control, and security boundaries between containers.
Each container has its own filesystem, process tree, and network stack, but all containers rely on the same underlying kernel. This design makes containers lightweight and efficient compared to virtual machines, which require separate guest kernels.
Options A and D are incorrect because containers do use the host kernel. Option C is incomplete because it does not mention isolation. Therefore, the correct answer isB.


NEW QUESTION # 52
In the command vzctl ____________ 105 /usr/bin/apt-get install wget, which subcommand of vzctl is missing in order to install wget in the OpenVZ container 105?

Answer:

Explanation:
exec
Explanation:
In OpenVZ virtualization, thevzctlcommand is used to manage containers. According to OpenVZ documentation, theexecsubcommand is required to execute a commandinside a running container.
The correct command syntax is:
vzctl exec 105 /usr/bin/apt-get install wget
The exec subcommand runs the specified command in the context of the container identified by its container ID (CTID), in this case105. Without exec, the command would not be executed inside the container environment.
Therefore, the missing and correct subcommand isexec.


NEW QUESTION # 53
Which of the following statements is true regarding the following output ofxl list:

Answer: A

Explanation:
Explanation
The output of xl list shows the state of the domains. The domain with ID 6, Ubuntu, has a state of "b-". This means that the domain is blocked, which means it is idle or waiting for I/O.
https://xenbits.xen.org/docs/unstable/man/xl.1.html


NEW QUESTION # 54
Which of the following commands moves the libvirt domainweb1from the current host system to the host systemhost2?

Answer: D

Explanation:
The correct command to move the libvirt domain web1 from the current host system to the host system host2 is virsh migrate web1 qemu+ssh://host2/system. This command uses the virsh migrate command, which initiates the live migration of a domain to another host1. The first argument is the name of the domain to migrate, which in this case is web1. The second argument is the destination URI, which specifies the connection to the remote host and the hypervisor to use2. In this case, the destination URI is qemu+ssh://host2
/system, which means to use the QEMU driver and connect to host2 via SSH, and use the system instance of libvirtd3. The other options are incorrect because they either use invalid commands or arguments, such as node-update, pool-add, patch, or cp, or they do not specify the destination URI correctly. References:
https://balamuruhans.github.io/2019/01/09/kvm-migration-with-libvirt.html
http://libvirt.org/migration.html


NEW QUESTION # 55
What kind of virtualization is implemented by LXC?

Answer: A

Explanation:
Explanation
LXC implements system containers, which are a type of operating-system-level virtualization. System containers allow running multiple isolated Linux systems on a single Linux control host, using a single Linux kernel. System containers share the same kernel with the host and each other, but have their own file system, libraries, andprocesses. System containers are different from application containers, which are designed to run a single application or service in an isolated environment. Application containers are usually smaller and more portable than system containers, but also more dependent on the host kernel and libraries. Hardware containers, CPU emulation, and paravirtualization are not related to LXC, as they are different kinds of virtualization methods that involve hardware abstraction, instruction translation, or modification of the guest operating system. References:
* 1: LXC - Wikipedia
* 2: Linux Virtualization : Linux Containers (lxc) - GeeksforGeeks
* 3: Features - Proxmox Virtual Environment


NEW QUESTION # 56
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