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305-300 test braindump, Lpi 305-300 test exam, 305-300 real braindump

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305-300 test braindump, Lpi 305-300 test exam, 305-300 real braindump

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The Lpi 305-300 exam covers a range of topics, including the deployment and management of virtual machines and containers, virtualization and containerization architectures, and the use of tools and technologies for monitoring and troubleshooting virtualization solutions. Candidates are also expected to have a good understanding of the security and performance issues associated with virtualization and containerization technologies.
Lpi 305-300 (LPIC-3 Exam 305: Virtualization and Containerization) Certification Exam is designed to test the proficiency of IT professionals in virtualization and containerization technologies. 305-300 exam is intended for those who have advanced knowledge and experience in virtualization and containerization. Passing the exam will certify the candidate as an LPIC-3 Virtualization and Containerization Specialist.
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LPI 305-300 Exam Syllabus Topics:
TopicDetails
Full Virtualization
Virtualization Concepts and TheoryWeight: 8
Description: Candidates should know and understand the general concepts, theory and terminology of virtualization. This includes Xen, QEMU and libvirt terminology.
Key Knowledge Areas:
  • Understand virtualization terminology
  • Understand the pros and cons of virtualization
  • Understand the various variations of Hypervisors and Virtual Machine Monitors
  • Understand the major aspects of migrating physical to virtual machines
  • Understand the major aspects of migrating virtual machines between host systems
  • Understand the features and implications of virtualization for a virtual machine, such as snapshotting, pausing, cloning and resource limits
  • Awareness of oVirt, Proxmox, systemd-machined and VirtualBox
  • Awareness of Open vSwitch
The following is a partial list of the used files, terms and utilities:
  • Hypervisor
  • Hardware Virtual Machine (HVM)
  • Paravirtualization (PV)
  • Emulation and Simulation
  • CPU flags
  • /proc/cpuinfo
  • Migration (P2V, V2V)
XenWeight: 3
Description: Candidates should be able to install, configure, maintain, migrate and troubleshoot Xen installations. The focus is on Xen version 4.x.
Key Knowledge Areas:
  • Understand architecture of Xen, including networking and storage
  • Basic configuration of Xen nodes and domains
  • Basic management of Xen nodes and domains
  • Basic troubleshooting of Xen installations
  • Awareness of XAPI
  • Awareness of XenStore
  • Awareness of Xen Boot Parameters
  • Awareness of the xm utility
The following is a partial list of the used files, terms and utilities:
  • in0 (Dom0), DomainU (DomU)Doma
  • PV-DomU, HVM-DomU
  • /etc/xen/
  • xl
  • xl.cfg
  • xl.conf
  • xentop
QEMUWeight: 4
Description: Candidates should be able to install, configure, maintain, migrate and troubleshoot QEMU installations.
Key Knowledge Areas:
  • Understand the architecture of QEMU, including KVM, networking and storage
  • Start QEMU instances from the command line
  • Manage snapshots using the QEMU monitor
  • Install the QEMU Guest Agent and VirtIO device drivers
  • Troubleshoot QEMU installations, including networking and storage
  • Awareness of important QEMU configuration parameters
The following is a partial list of the used files, terms and utilities:
  • Kernel modules: kvm, kvm-intel and kvm-amd
  • /dev/kvm
  • QEMU monitor
  • qemu
  • qemu-system-x86_64
  • ip
  • brctl
  • tunctl
Libvirt Virtual Machine ManagementWeight: 9
Description: Candidates should be able to manage virtualization hosts and virtual machines (‘libvirt domains’) using libvirt and related tools.
Key Knowledge Areas:
  • Understand the architecture of libvirt
  • Manage libvirt connections and nodes
  • Create and manage QEMU and Xen domains, including snapshots
  • Manage and analyze resource consumption of domains
  • Create and manage storage pools and volumes
  • Create and manage virtual networks
  • Migrate domains between nodes
  • Understand how libvirt interacts with Xen and QEMU
  • Understand how libvirt interacts with network services such as dnsmasq and radvd
  • Understand libvirt XML configuration files
  • Awareness of virtlogd and virtlockd
The following is a partial list of the used files, terms and utilities:
  • irtdlibv
  • /etc/libvirt/
  • virsh (including relevant subcommands)
Virtual Machine Disk Image ManagementWeight: 3
Description: Candidates should be able to manage virtual machines disk images. This includes converting disk images between various formats and hypervisors and accessing data stored within an image.
Key Knowledge Areas:
  • Understand features of various virtual disk image formats, such as raw images, qcow2 and VMDK
  • Manage virtual machine disk images using qemu-img
  • Mount partitions and access files contained in virtual machine disk images using libguestfish
  • Copy physical disk content to a virtual machine disk image
  • Migrate disk content between various virtual machine disk image formats
  • Awareness of Open Virtualization Format (OVF)
The following is a partial list of the used files, terms and utilities:
  • u-imgqem
  • guestfish (including relevant subcommands)
  • guestmount
  • guestumount
  • virt-cat
  • virt-copy-in
  • virt-copy-out
  • virt-diff
  • virt-inspector
  • virt-filesystems
  • virt-rescue
  • virt-df
  • virt-resize
  • virt-sparsify
  • virt-p2v
  • virt-p2v-make-disk
  • virt-v2v
  • virt-sysprep
Container Virtualization
Container Virtualization ConceptsWeight: 7
Description: Candidates should understand the concept of container virtualization. This includes understanding the Linux components used to implement container virtualization as well as using standard Linux tools to troubleshoot these components.
Key Knowledge Areas:
  • Understand the concepts of system and application container
  • Understand and analyze kernel namespaces
  • Understand and analyze control groups
  • Understand and analyze capabilities
  • Understand the role of seccomp, SELinux and AppArmor for container virtualization
  • Understand how LXC and Docker leverage namespaces, cgroups, capabilities, seccomp and MAC
  • Understand the principle of runc
  • Understand the principle of CRI-O and containerd
  • Awareness of the OCI runtime and image specifications
  • Awareness of the Kubernetes Container Runtime Interface (CRI)
  • Awareness of podman, buildah and skopeo
  • Awareness of other container virtualization approaches in Linux and other free operating systems, such as rkt, OpenVZ, systemd-nspawn or BSD Jails
The following is a partial list of the used files, terms and utilities:
  • nsenter
  • unshare
  • ip (including relevant subcommands)
  • capsh
  • /sys/fs/cgroups
  • /proc/[0-9]+/ns
  • /proc/[0-9]+/status
LXCWeight: 6
Description: Candidates should be able to use system containers using LXC and LXD. The version of LXC covered is 3.0 or higher.
Key Knowledge Areas:
  • Understand the architecture of LXC and LXD
  • Manage LXC containers based on existing images using LXD, including networking and storage
  • Configure LXC container properties
  • Limit LXC container resource usage
  • Use LXD profiles
  • Understand LXC images
  • Awareness of traditional LXC tools
Partial list of the used files, terms and utilities:
  • dlx
  • lxc (including relevant subcommands)
DockerWeight: 9
Description: Candidate should be able to manage Docker nodes and Docker containers. This include understand the architecture of Docker as well as understanding how Docker interacts with the node’s Linux system.
Key Knowledge Areas:
  • Understand the architecture and components of Docker
  • Manage Docker containers by using images from a Docker registry
  • Understand and manage images and volumes for Docker containers
  • Understand and manage logging for Docker containers
  • Understand and manage networking for Docker
  • Use Dockerfiles to create container images
  • Run a Docker registry using the registry Docker image
Partial list of the used files, terms and utilities:
  • rddocke
  • /etc/docker/daemon.json
  • /var/lib/docker/
  • docker
  • Dockerfile
Container Orchestration PlatformsWeight: 3
Description: Candidates should understand the importance of container orchestration and the key concepts Docker Swarm and Kubernetes provide to implement container orchestration.
Key Knowledge Areas:
  • Understand the relevance of container orchestration
  • Understand the key concepts of Docker Compose and Docker Swarm
  • Understand the key concepts of Kubernetes and Helm
  • Awareness of OpenShift, Rancher and Mesosphere DC/OS

Lpi LPIC-3 Exam 305: Virtualization and Containerization Sample Questions (Q27-Q32):NEW QUESTION # 27
What is the name of the kernel module that is required to be loaded in order to use KVM on an Intel CPU architecture?
(Specify ONLY the module name without any path information and with or without the module suffix.) Solution:
kvm-intel.ko - or - kvm-intel - or - kvm_intel.ko - or - kvm_intel
Determine whether the given solution is correct?
  • A. Incorrect
  • B. Correct
Answer: B
Explanation:
Kernel-based Virtual Machine (KVM) relies on hardware-assisted virtualization features provided by modern CPUs. OnIntel CPU architectures, this support is enabled through thekvm_intelkernel module. Official KVM and Linux virtualization documentation clearly states that the required module for Intel processors is namedkvm_intel, with the optional .ko suffix when referring to the kernel object file.
The provided solution lists multiple acceptable representations of the module name, includingkvm_inteland kvm_intel.ko, both of which are valid and correct. Linux kernel module naming conventions allow the module to be referenced with or without the .ko suffix when loading it using tools such as modprobe or lsmod.
Although variants using a hyphen (kvm-intel) are not the canonical kernel module name, the solution explicitly includes the correct and documented module name. Therefore, the solutioncorrectly identifies the required kernel modulefor enabling KVM on Intel CPUs.
Virtualization documentation emphasizes that KVM functionality requires both the generic kvm module and the CPU-specific module (kvm_intel for Intel or kvm_amd for AMD). Hence, the determination that the solution iscorrectaligns with verified documentation.

NEW QUESTION # 28
Which operating systems are compatible with cloud-init? (Select all that apply)
  • A. Android
  • B. Windows
  • C. Linux
  • D. macOS
Answer: C
Explanation:
Cloud-initis an initialization and configuration system designed primarily forLinux-based cloud instances.
According to official cloud-init documentation, it is supported on a wide range of Linux distributions, including Ubuntu, Red Hat Enterprise Linux, CentOS, Debian, and SUSE.
Windows systems use a separate project calledCloudbase-Init, which is not cloud-init itself. macOS and Android do not support cloud-init.
Therefore, the correct answer isC (Linux).

NEW QUESTION # 29
Which of the following commands moves the libvirt domainweb1from the current host system to the host systemhost2?
  • A. virsh migrate web1 qemu+ssh://host2/system
  • B. virsh pool-add host2 web1
  • C. virsh patch web1 .Domain.Node=host2
  • D. virsh node-update host1=-dom:web1 host2=+dom:web1
  • E. virsh cp .:web1 host2:web1
Answer: A
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/2 ... n-with-libvirt.html
http://libvirt.org/migration.html

NEW QUESTION # 30
What does IaaS stand for?
  • A. Instances as a Service
  • B. Intelligence as a Service
  • C. Infrastructure as a Service
  • D. Information as a Service
  • E. Integration as a Service
Answer: C
Explanation:
IaaS is a type of cloud computing service that offers essential compute, storage, and networking resources on demand, on a pay-as-you-go basis. IaaS is one of the four types of cloud services, along with software as a service (SaaS), platform as a service (PaaS), and serverless12. IaaS eliminates the need for enterprises to procure, configure, or manage infrastructure themselves, and they only pay for what they use23. Some examples of IaaS providers are Microsoft Azure, Google Cloud, and Amazon Web Services.

NEW QUESTION # 31
Ifdocker stackis to be used to run a Docker Compose file on a Docker Swarm, how are the images referenced in the Docker Compose configuration made available on the Swarm nodes?
  • A. docker stack transfers the image from its local Docker cache to each Swarm node.
  • B. docker stack passes the images to the Swarm master which distributes the images to all other Swarm nodes.
  • C. docker stack builds the images locally and copies them to only those Swarm nodes which run the service.
  • D. docker stack triggers the build process for the images on all nodes of the Swarm.
  • E. docker stack instructs the Swarm nodes to pull the images from a registry, although it does not upload the images to the registry.
Answer: E

NEW QUESTION # 32
......
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