Free Practice Questions for LPI 701-100 Exam

Question 1

What does the command packer validate template.json do?

AThe command verifies that the latest build of the template can be run without downloading additional images or artifacts.

BThe command verifies that the file template.json is a syntactically correct and complete Packer template.

CThe command verifies that all existing artifacts generated by template.json have their original checksums.

DThe command verifies that all source images referenced in template.json are available and have valid cryptographic signatures.

EThe command verifies that images generated previously by template.json still use the most recent source images.

Correct Answer: B. The command verifies that the file template.json is a syntactically correct and complete Packer template.

Explanation:

Reference https://www.packer.io/docs/commands/validate.html

Question 2

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

AThe container platform offers a command like docker service discover which should be run within a container.

BThe container platform sets environment variables containing service information within the containers.

CThe container platform lists localhost ports assigned to containers in each container's /etc/services file.

DThe container platform mounts the sockets for all available services into the container's file systems.

EThe container platforms maintains DNS records which point to containers offering a specific service.

Correct Answer: B. The container platform sets environment variables containing service information within the containers.; E. The container platforms maintains DNS records which point to containers offering a specific service.

Question 3

Which sections can exist in a Logstash configuration file? (Choose three correct answers.)

Aoutput

Bfilter

Cinput

Dforward

Egenerate

Correct Answer: A. output; B. filter; C. input

Explanation:

Reference https://www.elastic.co/guide/en/logstash/current/configuration-file-structure.html

Question 4

How does Prometheus gather information about monitored hosts and services?

AIt implements the ICMP and SNMP protocols to ping and query remote services.

BIt opens a webhook where monitored applications have to submit various metrics.

CIt uses HTTP to retrieve JSON encoded metrics from the monitored objects.

DIt queries a relational database for metrics written to the database by monitored applications.

EIt runs scripts on the Prometheus server which perform tests and return various metrics.

Correct Answer: E. It runs scripts on the Prometheus server which perform tests and return various metrics.

Explanation:

Reference https://dzone.com/articles/monitoring-with-prometheus

Question 5

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

AContainers decouple the packaging of an application from its infrastructure.

BContainers require developers to have detailed knowledge of their IT infrastructure.

CContainers let developers test their software under production conditions.

DContainers complicate the deployment of software and require early deployment tests.

EContainers require application specific adjustment to the container platform.

Correct Answer: A. Containers decouple the packaging of an application from its infrastructure.; C. Containers let developers test their software under production conditions.

Explanation:

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

Question 6

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

AMicroservices facilitate the replacement of the implementation of a specific functionality.

BMicroservices applications are hard to scale because microservice architecture allow only one instance of each microservice.

CIntegration tests for microservices are not possible until all microservices forming a specific application are completely developed.

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

EWithin one application, individual microservices can be updated and redeployed independent of the remaining microservices.

Correct Answer: 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.

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}

Correct Answer: B. $TargetEnvironment

Question 8

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

Assh

Correct Answer: A. ssh

Question 9

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

ADocker retrieves a ZIP archive which is extracted into the container's root file system.

BMultiple stacked images are retrieved and layered on top of each other.

CA flat hard disk image is downloaded once per container and mounted as the root file system.

DThe registry merger all components of the image into one file which is shipped to Docker.

EThe container is built from an ISO file along with a configuration for an unattended installation.

Correct Answer: B. Multiple stacked images are retrieved and layered on top of each other.

Explanation:

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

Question 10

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

AExecutable applications such as .exe files or .jar packages.

BCopies of the contents of source code repositories.

CBuild configuration files such as Makefiles or Maven configurations.

DCompiled packages to be installed by a Linux package manager.

EDocker container images which contain an application.

Correct Answer: 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.