Question 1

What happens when a merge conflict occurs in git?
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 repository.

Accepted Answer

D,E

Question 2

Which of the following container names could have been assigned automatically by Docker?
A) docker-c00001
B) 2.0.17.172
C) container
D) c0023817
E) clever_ritchie

Accepted Answer

Docker automatically assigns container names using a combination of an adjective and a famous scientist's last name, such as "clever_ritchie".

Question 3

Which Ansible keyword is used in a playbook to store the result (i.e. return code) of a task in a variable?
A) register
B) return
C) output
D) result
E) set_fact

Accepted Answer

The "register" keyword in Ansible is used to capture the output of a task and store it in a variable.

Question 4

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

Accepted Answer

The answer of Which of the following commands lists the...

Question 5

What is the Puppet equivalent to an Ansible Playbook called?
A) A Puppet Catalog
B) A Puppet Playbook
C) A Puppet Factsheet
D) A Puppet Declaration
E) A Puppet Manifest

Accepted Answer

A Puppet Catalog is the equivalent of an Ansible Playbook. It is a collection of resources and relationships that define the desired state of a system.

Question 6

What implications does container virtualization have for DevOps?
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.

Accepted Answer

Containers allow applications to be packaged independently of the underlying infrastructure, facilitating consistent environments across development, testing, and production. They also enable developers to test applications in environments that closely mimic production, enhancing reliability and reducing deployment issues.

Question 7

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}

Accepted Answer

The answer of A declarative Jenkins pipeline contains the following...

Question 8

Which of the following mechanisms are used for service discovery in a container environment?
A) The container platform offers a command like docker service discover which should be run within a container. 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. 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 service.

Accepted Answer

Environment variables and DNS records are common mechanisms used for service discovery in container environments.

Question 9

Which of the following statements are true about Jenkins?
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.

Accepted Answer

The answer of Which of the following statements are true...

Question 10

The file index.php , which is being maintained in a git repository, was changed locally and contains an error. If the error has not been committed to the repository yet, which of the following git commands reverts the local copy of to the latest committed version in the current branch?
A) git lastver - index.php
B) git revert - index.php
C) git checkout - index.php
D) git clean - index.php
E) git repair - index.php

Accepted Answer

The answer of The file index.php , which is being...

Question 11

If a Dockerfile references the container's base image without a specific version tag, which tag of that image is used to create the container?
A) latest
B) default
C) current
D) nightly
E) lts

Accepted Answer

When a Dockerfile references a base image without specifying a version tag, Docker uses the "latest" tag by default.

Question 12

Which of the following HTTP methods are used by REST?
A) CREATE
B) REPLACE
C) PUT
D) DELETE
E) GET

Accepted Answer

PUT is used to create or replace a resource, DELETE is used to delete a resource, and GET is used to retrieve a resource.

Question 13

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 installation.

Accepted Answer

Docker retrieves multiple stacked images (layers) which are layered on top of each other to form the final container image.

Question 14

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. To ensure the execution order of the commands because Docker might evaluate the statements of a in any order.
C) To avoid the creation of unnecessary images because Docker creates a new image for each RUN statement. 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. To execute the apt-get install command only if the apt-get update command was successful because Docker does not check the success of statements.

Accepted Answer

The answer of Given the following excerpt of a Dockerfile...

Question 15

What statement is true regarding the Swarm service created by the following command? docker service create --name myweb --network webnet --mode global nginx
A) It runs exactly one time in the Swarm and cannot be scaled.
B) It runs exactly once on each node in a Swarm.
C) It runs on one node by default and can be scaled to an arbitrary number of replicas.
D) It runs on all nodes which provide the network webnet . It runs on all nodes which provide the network webnet .
E) It runs only on those nodes which support the network type global . It runs only on those nodes which support the network type global

Accepted Answer

It runs on one node by default and can be scaled to an arbitrary number of replicas.

Question 16

Which of the following git commands is used to manage files in a repository?
A) git rm
B) git cp
C) git mv
D) git move
E) git copy

Accepted Answer

"git rm" is used to remove files from the repository, and "git mv" is used to move or rename files within the repository.

Question 17

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

Accepted Answer

The answer of Which of the log messages below matches...

Question 18

A Dockerfile contains the statements: COPY data/  /data/ VOLUME /data What happens when the resulting container is started without any additional volume configuration?
A) Files existing in / data / in the image are not available in the running container. 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. Changes to files within / / 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. Existing files from / / in the image are copied to the new volume.
D) An error is raised because / data / already contains data when the volume is mounted. An error is raised because / / already contains data when the volume is mounted.
E) A new volume is created and mounted to / data / within the new container. A new volume is created and mounted to / / within the new container.

Accepted Answer

The answer of A Dockerfile contains the statements: COPY data/  /data/...

Question 19

Which of the following information is contained in the output of git status ?
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.

Accepted Answer

The answer of Which of the following information is contained...

Question 20

Which statements are true regarding databases during the deployment of a new release of a service using canary deployment?
A) Changes to the database schema can take long and reduce the database performance.
B) Traffic to the database will significantly increase because of the additional service instance.
C) The database schema must be compatible to all running versions of a service.
D) The database is locked while its content is copied to the canary database.
E) Canary deployments require two synchronized instances of each database.

Accepted Answer

The answer of Which statements are true regarding databases during...

Exam 12: LPIC-OT Exam 701: DevOps Tools Engineer

What happens when a merge conflict occurs in git?

Which of the following container names could have been assigned automatically by Docker?

Which Ansible keyword is used in a playbook to store the result (i.e. return code) of a task in a variable?

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

What is the Puppet equivalent to an Ansible Playbook called?

What implications does container virtualization have for DevOps?

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 ?

Which of the following mechanisms are used for service discovery in a container environment?

Which of the following statements are true about Jenkins?

The file index.php , which is being maintained in a git repository, was changed locally and contains an error. If the error has not been committed to the repository yet, which of the following git commands reverts the local copy of to the latest committed version in the current branch?

If a Dockerfile references the container's base image without a specific version tag, which tag of that image is used to create the container?

Which of the following HTTP methods are used by REST?

How is a Docker container image retrieved from a Docker registry?

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?

What statement is true regarding the Swarm service created by the following command? docker service create --name myweb --network webnet --mode global nginx

Which of the following git commands is used to manage files in a repository?

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

A Dockerfile contains the statements: COPY data/ /data/ VOLUME /data What happens when the resulting container is started without any additional volume configuration?

Which of the following information is contained in the output of git status ?

Which statements are true regarding databases during the deployment of a new release of a service using canary deployment?