305-300試験無料問題集（62題）「Lpi LPIC-3 Exam 305: Virtualization and Containerization 認定」

出題：1

Which of the following statements in aDockerfileleads 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" ]

正解：C,E 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：2

In order to use the optiondom0_memto limit the amount of memory assigned to the Xen Domain-0, where must this option be specified?

A. In its Makefile, when Xen is built.

B. In any of Xen's global configuration files.

C. In the bootloader configuration, when Xen is booted.

D. In the configuration file /etc/xen/Domain-0.cfg, when Xen starts.

E. In its .config file, when the Domain-0 kernel is built.

正解：C 解答を投票する

出題：3

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

A. physical

B. wifi

C. macvlan

D. bridged

E. ipsec

正解：A,C,D 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：4

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

A. Container-based virtualization relies on hardware support from the host system's CPU.

B. All containers run within the operating system kernel of the host system.

C. Different containers may use different distributions of the same operating system.

D. Linux does not support container-based virtualization because of missing kernel APIs.

E. Each container runs its own operating system kernel.

正解：B,C 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：5

FILL BLANK
What LXC command starts a new process within a running LXC container? (Specify ONLY the command without any path or parameters.)

正解：

lxc-attach
Explanation
The lxc-attach command allows the user to start a new process within a running LXC container12. It takes the name of the container as an argument and optionally a command to execute inside the container. If no command is specified, it creates a new shell inside the container1. For example, to list all the files in the home directory of a container named myContainer, one can use:
lxc-attach -n myContainer - ls -lh /home
References:
* 1: Executing a command inside a running LXC - Unix & Linux Stack Exchange

出題：6

What is the purpose of the packer inspect subcommand?

A. List the artifacts created during the build process of a Packer image.

B. Display an overview of the configuration contained in a Packer template.

C. Execute commands within a running instance of a Packer image.

D. Retrieve files from an existing Packer image.

E. Show usage statistics of a Packer image.

正解：B 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

305-300試験無料問題集「Lpi LPIC-3 Exam 305: Virtualization and Containerization 認定」