305-300 Practice Exam — Free LPI Certification Prep

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Question 1

VM Deployment and Provisioning

What is the purpose of the command vagrant init?

A It executes a provisioning tool in a running box.
B It starts a Vagrant box.
C It creates a Vagrant configuration file.
D It installs Vagrant on a Linux host.
E It downloads a Vagrant box.

Question 2

Full Virtualization

Question 3

Full Virtualization

Question 4

VM Deployment and Provisioning

Question 5

VM Deployment and Provisioning

Question 6

VM Deployment and Provisioning

Question 7

Full Virtualization

Question 8

VM Deployment and Provisioning

Question 9

VM Deployment and Provisioning

Question 10

Container Virtualization

Question 11

VM Deployment and Provisioning

Question 12

Container Virtualization

Question 13

VM Deployment and Provisioning

Question 14

Container Virtualization

Question 15

Container Virtualization

Question 16

Container Virtualization

Question 17

Container Virtualization

Question 18

Container Virtualization

Question 19

Container Virtualization

Question 20

Container Virtualization

Question 21

Container Virtualization

Question 22

Container Virtualization

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Which CPU flag indicates the hardware virtualization capability on an AMD CPU?

A HVM
B VIRT
C SVM
D PVM
E VMX

In order to use the option dom0_mem to limit the amount of memory assigned to the Xen Domain-0, where must this option be specified?

A In the bootloader configuration, when Xen is booted.
B In any of Xen’s global configuration files.
C In its .config file, when the Domain-0 kernel is built.
D In the configuration file /etc/xen/Domain-0.cfg, when Xen starts.
E In its Makefile, when Xen is built.

Which functionality is provided by Vagrant as well as by Docker? (Choose three.)

A Both can share directories from the host file system to a guest.
B Both start system images as containers instead of virtual machines by default.
C Both can download required base images.
D Both can apply changes to a base image.
E Both start system images as virtual machines instead of containers by default.

What is the default provider of Vagrant?

A lxc
B hyperv
C virtualbox
D vmware_workstation
E docker

Question 6

VM Deployment and Provisioning

Question 7

Full Virtualization

Question 8

VM Deployment and Provisioning

Question 9

VM Deployment and Provisioning

Question 10

Container Virtualization

Question 11

VM Deployment and Provisioning

Question 12

Container Virtualization

Question 13

VM Deployment and Provisioning

Question 14

Container Virtualization

Question 15

Container Virtualization

Question 16

Container Virtualization

Question 17

Container Virtualization

Question 18

Container Virtualization

Question 19

Container Virtualization

Question 20

Container Virtualization

Question 21

Container Virtualization

Question 22

Container Virtualization

In an IaaS cloud, what is a common method for provisioning new computing instances with an operating system and software?

A Each new instance is connected to the installation media of a Linux distribution and provides access to the installer by logging in via SSH.
B Each new instance is created based on an image file that contains the operating system as well as software and default configuration for a given purpose.
C Each new instance is a clone of another currently running instance that includes all the software, data and state of the original instance.
D Each new instance is connected via a VPN with the computer that started the provisioning and tries to PXE boot from that machine.
E Each new instance contains a minimal live system running from a virtual CD as the basis from which the administrator deploys the target operating system.

Which command within virsh lists the virtual machines that are running on the current host?

A view
B list-vm
C list
D show
E list-all

What is the purpose of cloud-init?

A Replace common Linux init systems, such as systemd or SysV init.
B Assign an IaaS instance to a specific computing node within a cloud.
C Standardize the configuration of infrastructure services, such as load balancers or virtual firewalls in a cloud.
D Orchestrate the creation and start of multiple related IaaS instances.
E Prepare the generic image of an IaaS instance to fit a specific instance’s configuration.

What is the purpose of the packer inspect subcommand?

A Retrieve files from an existing Packer image.
B Execute commands within a running instance of a Packer image.
C List the artifacts created during the build process of a Packer image.
D Show usage statistics of a Packer image.
E Display an overview of the configuration contained in a Packer template.

What is the purpose of capabilities in the context of container virtualization?

A Map potentially dangerous system calls to an emulation layer provided by the container virtualization.
B Restrict the disk space a container can consume.
C Enable memory deduplication to cache files which exist in multiple containers.
D Allow regular users to start containers with elevated permissions.
E Prevent processes from performing actions which might infringe the container.

Which directory is used by cloud-init to store status information and configuration information retrieved from external sources?

A /var/lib/cloud/
B /etc/cloud-init/cache/
C /proc/sys/cloud/
D /tmp/.cloud/
E /opt/cloud/var/

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

A Each container runs its own operating system kernel.
B Different containers may use different distributions of the same operating system.
C Container-based virtualization relies on hardware support from the host system’s CPU.
D All containers run within the operating system kernel of the host system.
E Linux does not support container-based virtualization because of missing kernel APIs.

How does Packer interact with system images?

A Packer has to be installed within the target image and is executed during the image’s first boot in order to execute preparation tasks.
B Packer installs a client within the image which has to be run periodically via cron in order to retrieve the latest template from the Packer server and apply it locally.
C Packer periodically connects through the network to the Packer daemons of all running Packer images in order to re-apply the whole template to the running instance.
D Packer downloads and extracts an image in order to make changes to the image’s file system, repack the modified image and upload it again.
E Packer creates an instance based on a source image, prepares the instance through a network connection and bundles the resulting instance as a new system image.

After setting up a data container using the following command: docker create -v /data --name datastore debian /bin/true how is an additional new container started which shares the /data volume with the datastore container?

A docker run --share-with datastore --name service debian bash
B docker run -v datastore:/data --name service debian bash
C docker run --volumes-from datastore --name service debian bash
D docker run -v /data --name service debian bash
E docker run --volume-backend datastore -v /data --name service debian bash

After creating a new Docker network using the following command: docker network create --driver bridge isolated_nw which parameter must be added to docker create in order to attach a container to the network?

A --eth0=isolated_nw
B --alias=isolated_nw
C --ethernet=isolated_nw
D --network=isolated_nw
E --attach=isolated_nw

Which of the following network interface types are valid in an LXD container configuration? (Choose three.)

A ipsec
B macvlan
C bridged
D physical
E wifi

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

A The container resulting from the second invocation can only read the content of /data/ and cannot change it.
B Each container is equipped with its own independent data volume, available at /data/ in the respective container.
C Both containers share the contents of the data volume, have full permissions to alter its content and mutually see their respective changes.
D The original content of the container image data is available in both containers, although changes stay local within each container.
E The second command invocation fails with an error stating that the volume data is already associated with a running container.

What is the purpose of the kubelet service in Kubernetes?

A Provide a command line interface to manage Kubernetes.
B Build a container image as specified in a Dockerfile.
C Manage permissions of users when interacting with the Kubernetes API.
D Run containers on the worker nodes according to the Kubernetes configuration.
E Store and replicate Kubernetes configuration data.

If docker stack is 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 builds the images locally and copies them to only those Swarm nodes which run the service.
B docker stack passes the images to the Swarm master which distributes the images to all other Swarm nodes.
C docker stack instructs the Swarm nodes to pull the images from a registry, although it does not upload the images to the registry.
D docker stack transfers the image from its local Docker cache to each Swarm node.
E docker stack triggers the build process for the images on all nodes of the Swarm.

Which of the following commands executes a command in a running LXC container?

A lxc-attach
B lxc-batch
C lxc-run
D lxc-enter
E lxc-eval

Which of the following statements in a Dockerfile leads to a container which outputs hello world? (Choose two.)

A ENTRYPOINT "echo Hello World"
B ENTRYPOINT [ "echo hello world" ]
C ENTRYPOINT [ "echo", "hello", "world" ]
D ENTRYPOINT echo Hello World
E ENTRYPOINT "echo", "Hello", "World"

Which of the following statements are true regarding a Pod in Kubernetes? (Choose two.)

A All containers of a Pod run on the same node.
B Pods are always created automatically and cannot be explicitly configured.
C A Pod is the smallest unit of workload Kubernetes can run.
D When a Pod fails, Kubernetes restarts the Pod on another node by default.
E systemd is used to manage individual Pods on the Kubernetes nodes.

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