Leading 701-100 Q&A 2021

NEW QUESTION 1
How is cloud-init integrated with a managed system image?

• A. cloud-init provides the cloud-init-worker command which has to be invoked periodically within the running instance.


• B. cloud-init provides systemd units which must be included in several stages of the booting process of the instance.


• C. cloud-init provides its own startup mechanism which replaces the instance’s original init system, such as systemd.


• D. cloud-init provides a Linux kernel module that must be included and loaded in the instance’s initramfs.


• E. cloud-init provides the cloud-init-daemon service which is launched during startup and keeps the instance in sync with the desired configuration.

Answer: D

NEW QUESTION 2
What happens when a merge conflict occurs in git? (Choose two correct answers.)

• A. The conflicting files remain unchanged in the local repository.


• B. Conflict markers are added to the files.


• C. A new branch containing the remote changes is created.


• D. The affected files are flagged as conflicting.


• E. The newest version is placed in the local repositor

Answer: DE

NEW QUESTION 3
Which of the following statements regarding microservices are true? (Choose three correct answers.)

• A. Microservices facilitate the replacement of the implementation of a specific functionality.


• B. Microservices applications are hard to scale because microservice architecture allow only one instance of each microservice.


• C. Integration tests for microservices are not possible until all microservices forming a specific application are completely developed.


• D. Interaction between microservices can be slower that the interaction of similar components within a monolithic application.


• E. Within one application, individual microservices can be updated and redeployed independent of the remaining microservices.

Answer: CDE

NEW QUESTION 4
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 5
An Ansible variable file contains the following content:
myapp: option1: one
Which of the following strings can be used to reference the defined variable? (Choose two correct answers).

• A. myapp(option1);


• B. option1@myapp


• C. myapp[‘option1’]


• D. myapp.option1


• E. myapp{{option1}}

Answer: AE

NEW QUESTION 6
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.)

• A. Mastered


• B. Not Mastered

Answer: A

Explanation:
CMD

NEW QUESTION 7
Which of the following HTTP methods are used by REST? (Choose three correct answers.)

• A. CREATE


• B. REPLACE


• C. PUT


• D. DELETE


• E. GET

Answer: CDE

Explanation:
Reference https://restfulapi.net/http-methods/

NEW QUESTION 8
Which of the following elements are presents in a Vagrant box file? (Choose two correct answers.)

• A. A Vagrant guest configuration file that is used to create instances of the box.


• B. Configuration files for provisioners such as Ansible.


• C. The installer for the Vagrant version which is required to run the box.


• D. A metadata file describing the box and its requirements.


• E. A base file system image in a format supported by the provider of the bo

Answer: BD

NEW QUESTION 9
Which of the following commands lists the cookbooks available on a Chef server?

• A. kitchen cookbook list


• B. chef-client cookbook list


• C. chef-server cookbook list


• D. chef-solo cookbook list


• E. knife cookbook list

Answer: C

NEW QUESTION 10
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 prevent the commands from running in parallel because Docker executes all RUN statements in their own container at the same time.


• B. To ensure the execution order of the commands because Docker might evaluate the statements of a Dockerfile in any order.


• C. To avoid the creation of unnecessary images because Docker creates a new image for each RUN statement.


• D. To execute both commands in the same container instance and void Docker to reset the container to the original base image.


• E. 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.

Answer: D

NEW QUESTION 11
Which of the following statements is true about load balancers?

• A. Load balancers are a security risk because they obfuscate the origin of connections.


• B. Load balancer help to improve the availability and scalability of a service.


• C. Load balancers are a single point of failure because they cannot be deployed redundantly.


• D. Load balancer require access to private keys in order to be able to forward HTTPS traffic.


• E. Load balancers cannot use connection content, such as HTTP cookies, to route traffi

Answer: B

NEW QUESTION 12
Which section of the Prometheus configuration defines which nodes are monitored?

• A. scrape_config


• B. targets


• C. rules


• D. listener


• E. nodes

Answer: A

NEW QUESTION 13
Which of the following kinds of data are suitable as artifacts in a continuous delivery pipeline? (Choose three correct answers.)

• A. Executable applications such as .exe files or .jar packages.


• B. Copies of the contents of source code repositories.


• C. Build configuration files such as Makefiles or Maven configurations.


• D. Compiled packages to be installed by a Linux package manager.


• E. Docker container images which contain an applicatio

Answer: BCD

NEW QUESTION 14
Which of the following conditionals exist in an Ansible playbook? (Choose three correct answers.)

• A. with_nodes


• B. with_playbook


• C. with_sequence


• D. with_items


• E. with_nested

Answer: CDE

Explanation:
Reference https://docs.ansible.com/ansible/2.4/playbooks_loops.html

NEW QUESTION 15
Which of the following sections must exist in a Packer template?

• A. images


• B. provisioners


• C. builders


• D. variables


• E. post-processsors

Answer: B

NEW QUESTION 16
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

Answer: C

Explanation:
Reference https://docs.docker.com/engine/swarm/manage-nodes/

NEW QUESTION 17
Which vagrant sub command executes a command in a running box? (Specify only the sub command without any path or parameters.)

• A. Mastered


• B. Not Mastered

Answer: A

Explanation:
ssh

NEW QUESTION 18
Which of the statements below are true about the volume created by the following command? (Choose two correct answers.)
docker run –v /data –ti debian

• A. The new /data volume contains a copy of the complete container’s base image.


• B. The volume containing the container’s rootfile system is retained until the /data volume is deleted.


• C. The /data volume is discarded when the container terminates.


• D. The /data volume can be attached to another Docker container.


• E. If the command is run a second time, another volume for /data is create

Answer: DE

NEW QUESTION 19
Which Ansible command is used to manage and store sensitive data in encrypted files? (Specify ONLY the command without any path or parameters.)

• A. Mastered


• B. Not Mastered

Answer: A

Explanation:
ansible-vault

NEW QUESTION 20
Which of the following functions are provided by the Ansible apt module? (Choose two correct answers.)

• A. Update an installed package to the latest version.


• B. Update the list of available packages from configured repositories.


• C. Re-compile an installed package from the source code.


• 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.

Answer: BE

Explanation:
Reference https://docs.ansible.com/ansible/latest/modules/apt_module.html

NEW QUESTION 21
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 22
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