701-100 Online Practice Questions and Answers

Which of the following statements are true about Jenkins? (Choose two correct answers.)

A. Jenkins is specific to Java based applications.

B. Jenkins can delegate tasks to slave nodes.

C. Jenkins only works on local files and cannot use SCM repositories.

D. Jenkins' functionality is determined by plugins.

E. Jenkins includes a series of integrated testing suites.

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

A. Changed files that will not be part of the next commit.

B. Locked files which cannot be edited until the lock is released.

C. Changed files that will be part of the next commit.

D. Unchanged files which have not been edited locally.

E. Untracked files which are not subject to version control.

Which of the following commands lists the nodes in a Docker Swam cluster?

A. docker-swarm listnodes

B. docker engine ls

C. docker node ls

D. docker machine ls

E. docker swarm nodes

A Dockerfile contains the statements:

COPY data/ /data/ VOLUME /data

What happens when the resulting container is started without any additional volume configuration? (Choose two correct answers.)

A. Files existing in /data/ in the image are not available in the running container.

B. Changes to files within /data/ affect the Docker image and all other containers derived from it.

C. Existing files from /data/ in the image are copied to the new volume.

D. An error is raised because /data/ already contains data when the volume is mounted.

E. A new volume is created and mounted to /data/ within the new container.

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. Configure the web servers to not use a server certificate when serving HTTPS.

B. Generate a self-signed certificates during the deployment of each backend server.

C. Use a certificate issuing service to request certificates during each server deployment.

D. Use a load balancer that decrypts incoming requests and passes them on in plain HTTP.

E. Install a wildcard certificate and the respective private key on all the backend servers.

Which vagrant sub command executes a command in a running box? (Specify only the sub command without any path or parameters.)

A. ssh

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

A. The second command invocation fails with an error stating that the volumen data is already associated with a running container.

B. The container resulting from the second invocation can only read the content of /data/ and can not change it.

C. The original content of the contents of the data is available in both containers, although changes stay local within each container.

D. Both containers share the container of the data volume, have full permissions to alter its content and mutually see their repective changes.

E. Each container is equipped with its own independent data volumen, available at /data/ in the respective container.

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. --attach=isolated_nw

B. --network=isolated_nw

C. --ethernet=isolated_nw

D. --alias=isolated_nw

E. --eth0=isolated_nw

What Chef Solo?

A. A special Linux distribution which automatically reverts any change to the system not applied using Chef.

B. A package manger that retrieves software installed using Chef in the generic Chef Menu Format, CMF, instead of using the target.

C. A simplified configuration format for Chef which provides only a subset of the original Chef configuration options.

D. An extension to Chef to install operating systems on bare metal servers of vitual machines.

E. A tool to use Chef to manage a local system instead os using a distributed chef infrastructure.

What the benefit of feature toggles? (Choose TWO correct answares)

A. Feature toggles decouple technical deployments from the oficial launch of a product.

B. Feature toggles reduce the build time by excluiding unnecessary features from a build.

C. Feature toggles eliminate the need for feature branches in an SCM during development.

D. Feature toggles start microservices on demand when their functionality is requested.

E. Feature toggles can enable new features for advanced users before globally releasing them.