701-100 試験問題を無料オンラインアクセス

Which of the following mechanisms are used for service discovery in a container environment? (Choose two correct answers.)

• A.The container platform offers a command like docker service discover which should be run within a container.
• B.The container platforms maintains DNS records which point to containers offering a specific service.
• C.The container platform lists localhost ports assigned to containers in each container's /etc/services file.
• D.The container platform mounts the sockets for all available services into the container's file systems.
• E.The container platform sets environment variables containing service information within the containers.

A service should be provided to arbitrary clients on the Internet using HTTPS. Any standard client on the Internet should be able to consume the service without further configuration. Which of the following approaches can be used to implement these requirements? (Choose three correct answers.)

• A.Use a certificate issuing service to request certificates during each server deployment.
• B.Install a wildcard certificate and the respective private key on all the backend servers.
• C.Configure the web servers to not use a server certificate when serving HTTPS.
• D.Generate a self-signed certificates during the deployment of each backend server.
• E.Use a load balancer that decrypts incoming requests and passes them on in plain HTTP.

Which of the following information is contained in the output of git status? (Choose three correct answers.)

• A.Untracked files which are not subject to version control.
• B.Changed files that will not be part of the next commit.
• C.Locked files which cannot be edited until the lock is released.
• D.Unchanged files which have not been edited locally.
• E.Changed files that will be part of the next commit.

Which of the following functions are provided by the Ansible apt module? (Choose two correct answers.)

• A.Re-compile an installed package from the source code.
• B.Update the list of available packages from configured repositories.
• C.Update an installed package to the latest version.
• D.Add the URL of a new repository to the package manager configuration.
• E.Install a dpkg based Linux distribution on an empty target system.

Given the following excerpt of a Dockerfile:
Run apt-get -y update && apt-get install -y fortunes && apt-get clean
Why are the multiple apt-get commands combined in one RUN statement instead of using multiple RUN statements?

• A.To execute the apt-get install command only if the apt-get update command was successful because Docker does not check the success of RUN statements.
• B.To ensure the execution order of the commands because Docker might evaluate the statements of a Dockerfile in any order.
• C.To execute both commands in the same container instance and void Docker to reset the container to the original base image.
• D.To prevent the commands from running in parallel because Docker executes all RUN statements in their own container at the same time.
• E.To avoid the creation of unnecessary images because Docker creates a new image for each RUN statement.