Breathing 701-100 Exam Questions 2021

NEW QUESTION 1
Which of the following tasks are completed by docker-compose down when it is used with additional parameters? (Choose two correct answers.)

• A. Delete all volumes defined in the composer file.
• B. Delete all containers defined in the composer file.
• C. Delete all networks defined in the composer file.
• D. Delete all images used in the composer file from the Docker nodes.
• E. Delete all images built from the composer file from their registr

Answer: AC

Explanation: Reference https://docs.docker.com/compose/reference/down/

NEW QUESTION 2
How is a Docker container image retrieved from a Docker registry?

• A. Docker retrieves a ZIP archive which is extracted into the container’s root file system.
• B. Multiple stacked images are retrieved and layered on top of each other.
• C. A flat hard disk image is downloaded once per container and mounted as the root file system.
• D. The registry merger all components of the image into one file which is shipped to Docker.
• E. The container is built from an ISO file along with a configuration for an unattended installatio

Answer: B

Explanation: Reference https://www.ibm.com/developerworks/library/mw-1608-tost-trs/index.html

NEW QUESTION 3
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 platform sets environment variables containing service information within the containers.
• 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 platforms maintains DNS records which point to containers offering a specific servic

Answer: BE

NEW QUESTION 4
Which Ansible command is used to manage and store sensitive data in encrypted files? (Specify ONLY the command without any path or parameters.)

Answer:

Explanation: ansible-vault

NEW QUESTION 5
Which of the following tasks can Logstash fulfill without using other components of the Elastic Stack? (Choose three.)

• A. Receive log data from remote systems.
• B. Store log data persistently.
• C. Aggregate log data over a period of time.
• D. Process log data to extract information.
• E. Forward log data to other service

Answer: CDE

NEW QUESTION 6
What is tested by unit tests?

• A. The syntactical correctness of the source code of a software component.
• B. The formal validity of a service’s external REST API.
• C. The integration of multiple component of the same software.
• D. The correctness of a specific function of a software component.
• E. The throughput, load capacity and latency of a service.

Answer: D

NEW QUESTION 7
Which docker-machine sub command outputs a list of commands that set environment variables which are required to make docker work with a Docker host managed by docker-machine? (Specify only the sub command without any path or parameters.)

Answer:

Explanation: env

NEW QUESTION 8
What implications does container virtualization have for DevOps? (Choose two answers.)

• A. Containers decouple the packaging of an application from its infrastructure.
• B. Containers require developers to have detailed knowledge of their IT infrastructure.
• C. Containers let developers test their software under production conditions.
• D. Containers complicate the deployment of software and require early deployment tests.
• E. Containers require application specific adjustment to the container platform.

Answer: AC

Explanation: Explanation Reference
http://anandmanisankar.com/posts/container-docker-PaaS-microservices/

NEW QUESTION 9
Which of the log messages below matches the following Logstash grok filter?
grok { match => [“message”, “%{SYSLOGBASE} new node %{IPORHOST:node}” ]
}

• A. Jun 30 00:36:49 headnode: new node 198.51.100.103 at clustermanager:12353
• B. Jun 30 00:36:49 headnode clustermanager[12353]: new node 198.51.100.103
• C. Jun 30 00:36:49 headnode clustermanager[198.51.100.103]: new node
• D. %{SYSLOG-FROM:headnode clustermanager[12353]} new node 198.51.100.103
• E. clustermanager[12353]: Jun 30 00:36:49 headnode new node 198.51.100.103

Answer: C

NEW QUESTION 10
Which configuration option in the Ansible inventory is issued control privilege escalation of the remote user?

• A. priv_user
• B. elevate
• C. super
• D. become
• E. sudo

Answer: D

Explanation: Reference https://docs.ansible.com/ansible/2.6/user_guide/become.html

NEW QUESTION 11
A declarative Jenkins pipeline contains the following excerpt:
parameters {
string (name: ‘TargetEnvironment’, defaultValue: ‘staging’, description: ‘Target environment’)
}
How can a task use the value provided for TargetEnvironment?

• A. {{TargetEnvironment}}
• B. $TargetEnvironment
• C. %TargetEnvironment%
• D. ${params.TargetEnvironment}
• E. $ENV{TargetEnvironment}

Answer: B

NEW QUESTION 12
Which of the following git commands is used to manage files in a repository? (Choose two correct answers.)

• A. git rm
• B. git cp
• C. git mv
• D. git move
• E. git copy

Answer: AC

NEW QUESTION 13
Which docker subcommand starts a new container? (Specify only the subcommand without any path or parameters.)

Answer:

Explanation: run

NEW QUESTION 14
Which statement in a Dockerfile defines which command should be started in the container by default when it is started? (Specify ONLY the statement’s name without any values or parameters.)

Answer:

Explanation: CMD

NEW QUESTION 15
The following command is issued on two docker nodes:
docker network create --driver bridge isolated_nw
Afterwards, one container is started at each node with the parameter --network=isolated_nw. It turns out that the containers can not interact with each other. What must be done in order to allow the containers to interact with each other? (Choose two correct answers.)

• A. Use a host network instead of a bridged network.
• B. Add the option --inter-container to the docker network create command.
• C. Start the containers on the same node.
• D. Change the --network parameter of docker create to --network=isolated_nw,nofence.
• E. Use an overlay network instead of a bridged network.

Answer: CD

Explanation: Reference https://docs.docker.com/v17.09/engine/userguide/networking/#bridge-networks

NEW QUESTION 16
Which of the following sections must exist in a Packer template?

• A. images
• B. provisioners
• C. builders
• D. variables
• E. post-processsors

Answer: B