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--- informatica:sistemas_operativos:cursos:docker_avanzado [2023/10/10 18:28] – [Preguntas de certificación] tempwin
+++ informatica:sistemas_operativos:cursos:docker_avanzado [2023/10/19 18:42] (actual) – [Recursos] tempwin
@@ Línea 47: / Línea 47: @@
   * Módulo 10: [[informatica:sistemas_operativos:cursos:docker_avanzado:networking_y_service_discovery|Networking y Service Discovery]]
   * Módulo 11: [[informatica:sistemas_operativos:cursos:docker_avanzado:orquestacion_clustering_gestion|Orquestación, clustering y gestión]]
+  * [[informatica:sistemas_operativos:cursos:docker_avanzado:ejercicios_practicos|Ejercicios prácticos / guiados]].
+  * [[informatica:sistemas_operativos:cursos:docker_avanzado:tests|Tests]]
 ===== Notas =====
 Profesores:
-  * Antonio Varela (está certificado en Docker)
+  * Antonio Varela Nieto (antonio.varela@teslatechnologies.com) (está certificado en Docker)
   * ESTEBAN VAZQUEZ FERREIRO
@@ Línea 808: / Línea 811: @@
 </code>
-===== Preguntas de certificación =====
-**Which of the following commands will automatically create a volume when a container is started?**
-  * A. ''docker container run --name nginxtest --volumes=/app nginx''
-  * B. ''docker container run --name nginxtest -v /app:mount nginx''
-  * C. ''docker container run --name nginxtest --volumes myvol:/app:new nginx''
-  * D. ''docker container run --name nginxtest -v myvol:/app nginx'' (**Correcta**)
-**Which one of the following commands will show a list of volumes for a specific container?**
-  * A. ''docker container logs nginx --volumes''
-  * B. ''docker container inspect nginx''
-  * C. ''docker volume inspect nginx''
-  * D. ''docker volume logs nginx --containers''
-**Which one of the following commands will result in the volume being removed automatically once the container has exited?**
-  * A. ''docker run --del -v /foo busybox''
-  * B. ''docker run --read-only -v /foo busybox''
-  * C. ''docker run --rm -v /foo busybox''
-  * D. ''docker run --remove -v /foo busybox''
-**A container named "analytics" that stores results in a volume called "data" was created.**   * docker run -d --name=analytics -v data:/data app1. **How are the results accessed in "data" with another container called "app2"?**
-  * A. ''docker run -d --name=reports --volume=data app2''
-  * B. ''docker run -d --name=reports --volumes-from=analytics app2''
-  * C. ''docker run -d --name=reports --volume=app1 app2''
-  * D. ''docker run -d --name=reports --mount=app1 app2''
-**A server is running low on disk space. What command can be used to check the disk usage of images, containers, and volumes for Docker engine?**
-  * A. ''docker system df''
-  * B. ''docker system prune''
-  * C. ''docker system free''
-  * D. ''docker system ps''
-**Which of the following are types of namespaces used by Docker to provide isolation? (Choose 2.)**
-  * A. Host
-  * B. Network
-  * C. Process ID
-  * D. Authentication
-  * E. Storage
-**What is the difference between a resource limit and a resource reservation when scheduling services?**
-  * A. A resource limit and a resource reservation can be used interchangeably.
-  * B. A resource limit is a soft limit for your service, while a reservation is hard limit and the docker engine will do its best to keep your service at the limit.
-  * C. A resource limit is used to find a host with adequate resources for scheduling a hard limit for your service, while a reservation is hard limit for your service.
-  * D. A resource limit is hard limit for your service, while a reservation is used to find a host with
-adequate resources for scheduling.
-**Which of the following namespaces is disabled by default and must be enabled at Docker engine runtime in order to be used?**
-  * A. user
-  * B. pid
-  * C. net
-  * D. mnt
-**Which of the following statements is true about secrets?**
-  * A. Secrets can be created from any node in the cluster.
-  * B. Secrets can be modified after they are created.
-  * C. Secret are stored unencrypted on manager nodes.
-  * D. Secrets can be created using standard input (STDIN) and a file.
-**Following the principle of least privilege, which of the following methods can be used to securely grant access to the specific user to communicate to a Docker engine? (Choose two.)**
-  * A. Utilize the '--host 0.0.0.0:2375' option to the Docker daemon to listen on port 2375 over TCP on all interfaces
-  * B. Utilize openssl to create TLS client and server certificates, configuring the Docker engine to use with mutual TLS over TCP.
-  * C. Utilize the '--host 127.0.0.1:2375' option to the Docker daemon to listen on port 2375 over TCP on localhost
-  * D. Give the user root access to the server to allow them to run Docker commands as root.
-  * E. Add the user to the 'docker' group on the server or specify the grouè with the '--group' Docker daemon option.
 ===== Recursos =====
   * https://www.redhat.com/en/interactive-labs: laboratorios gratuitos de Red Hat
   * https://killercoda.com: laboratorios con contenedores.
+  * [[https://labs.play-with-docker.com/|Play with Docker]]: probar Docker desde el navegador.
+  * [[https://dockerlabs.collabnix.com/|Getting Started with Docker]]: laboratorios guiados de Docker.