최신 305-300 무료덤프 - Lpi LPIC-3 Exam 305: Virtualization and Containerization

문제1

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

A. --network=isolated_nw

B. --ethernet=isolated_nw

C. --eth0=isolated_nw

D. --alias=isolated_nw

E. --attach=isolated_nw

정답: A

설명: (DumpTOP 회원만 볼 수 있음)

문제2

FILL BLANK
Which subcommand ofvirshopens the XML configuration of a virtual network in an editor in order to make changes to that configuration? (Specify ONLY the subcommand without any parameters.)

정답:

net-edit
Explanation
The subcommand of virsh that opens the XML configuration of a virtual network in an editor in order to make changes to that configuration is net-edit1. This subcommand takes the name or UUID of the network as a parameter and opens the network XML file in the default editor, which is specified by the $EDITOR shell variable1. The changes made to the network configuration are applied immediately after saving and exiting the editor1.
References:
* 1: net-edit - libvirt.

문제3

What is the purpose ofcloud-init?

A. Standardize the configuration of infrastructure services, such as load balancers or virtual firewalls in a cloud.

B. Assign an laaS instance to a specific computing node within a cloud.

C. Prepare the generic image of an laaS instance to fit a specific instance's configuration.

D. Replace common Linux inic systems, such as systemd or SysV init.

E. Orchestrate the creation and start of multiple related laaS instances.

정답: C

설명: (DumpTOP 회원만 볼 수 있음)

문제4

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

A. The hygervisor may provide fine-grained limits to internal elements of the guest operating system such as the number of processes.

B. The hypervisor provides each virtual machine with hardware of a defined capacity that limits the resources of the virtual machine.

C. It is up to the virtual machine to use its assigned hardware resources and create, for example, an arbitrary amount of network sockets.

D. All processes created within the virtual machines are transparently and equally scheduled in the host system for CPU and I/O usage.

E. Full virtualization cannot pose any limits to virtual machines and always assigns the host system's resources in a first-come-first-serve manner.

정답: B,C

설명: (DumpTOP 회원만 볼 수 있음)

문제5

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

A. Restrict the disk space a container can consume.

B. Map potentially dangerous system calls to an emulation layer provided by the container virtualization.

C. Enable memory deduplication to cache files which exist in multiple containers.

D. Prevent processes from performing actions which might infringe the container.

E. Allow regular users to start containers with elevated permissions.

정답: D

설명: (DumpTOP 회원만 볼 수 있음)

문제6

If aDockerfilecontains the following lines:
WORKDIR /
RUN cd /tmp
RUN echo test > test
where is the filetestlocated?

A. /ting/test within the container image.

B. test in the directory holding the Dockerf ile.

C. /test within the container image.

D. /tmp/test on the system running docker build.

E. /root/tesc within the container image.

정답: C

설명: (DumpTOP 회원만 볼 수 있음)

최신 305-300 무료덤프 - Lpi LPIC-3 Exam 305: Virtualization and Containerization

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