LATEST DCA RELIABLE TEST REVIEW OFFER YOU THE BEST VALID EXAM ONLINE | DOCKER DOCKER CERTIFIED ASSOCIATE (DCA) EXAM

Latest DCA Reliable Test Review Offer You The Best Valid Exam Online | Docker Docker Certified Associate (DCA) Exam

Latest DCA Reliable Test Review Offer You The Best Valid Exam Online | Docker Docker Certified Associate (DCA) Exam

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Docker Certified Associate (DCA) Exam Sample Questions (Q73-Q78):

NEW QUESTION # 73
Your organization has a centralized logging solution, such as Splunk.
Will this configure a Docker container to export container logs to the logging solution?
Solution: docker system events --filter splunk

  • A. Yes
  • B. No

Answer: B

Explanation:
= The solution will not configure a Docker container to export container logs to the logging solution, such as Splunk. The command docker system events --filter splunk is not a valid command to send logs to a remote destination. The --filter option for docker system events only accepts the following keys: container, daemon, event, image, label, network, plugin, type, and volume1. splunk is not a valid key for filtering events. To configure a Docker container to export container logs to a logging solution, such as Splunk, you need to use the --log-driver and --log-opt options when creating or running the container2. For example, to use the Splunk logging driver, you can use the following command:
docker run --log-driver=splunk --log-opt splunk-token=176FCEBF-4CF5-4EDF-91BC-703796522D20
--log-opt splunk-url=https://splunkhost:8088 ...
This command will send the container logs to the Splunk HTTP Event Collector (HEC) endpoint specified by the splunk-url option, using the authentication token provided by the splunk-token option3. You can also use other logging drivers, such as syslog, fluentd, gelf, etc., depending on your logging solution4. References:
* 1: docker system events | Docker Docs
* 2: Configure logging drivers | Docker Docs
* 3: Splunk logging driver | Docker Docs
* 4: Supported logging drivers | Docker Docs


NEW QUESTION # 74
Will this command mount the host's '/data1directory to the ubuntu container in read-only mode?
Solution. 'docker run -v /data:/mydata -mode readonly ubuntu'

  • A. Yes
  • B. No

Answer: B

Explanation:
The command docker run -v /data:/mydata -mode readonly ubuntu will not mount the host's /data1 directory to the ubuntu container in read-only mode. The commandhas several errors that prevent it from working correctly. First, the host directory should be /data1 instead of /data, as specified in the question. Second, the option flag should be --mode instead of -mode, and it should be placed before the image name. Third, the mode value should be ro instead of readonly, as per the Docker documentation1. The correct command should be docker run -v /data1:/mydata --mode ro ubuntu, which will mount the host's /data1 directory as a read-only volume at /mydata inside the container1. Reference:
docker run | Docker Docs


NEW QUESTION # 75
Is this a function of UCP?
Solution: image role-based access control

  • A. Yes
  • B. No

Answer: B

Explanation:
Explanation
Image role-based access control is not a function of UCP. UCP has its own built-in authentication mechanism and integrates with LDAP services. It also has role-based access control (RBAC), so that you can control who can access and make changes to your cluster and applications1. However, image role-based access control is a feature of Docker Trusted Registry (DTR), which integrates with UCP and allows you to manage the images you use for your applications2. DTR lets you define granular permissions for images, such as who can push, pull, delete, or scan them3. References: Universal Control Plane overview), Docker Trusted Registry overview), Docker Access Control)


NEW QUESTION # 76
Will a DTR security scan detect this?
Solution: licenses for known third party binary components

  • A. No
  • B. Yes

Answer: B

Explanation:
A DTR security scan will detect licenses for known third party binary components. This is because DTR security scan uses a database of vulnerabilities and licenses that is updated regularly from Docker Server1. DTR security scan can identify the components and versions of the software packages that are present in the image layers, and report any known vulnerabilities or licenses associated with them2. This can help users to comply with the licensing requirements and avoid potential legal issues3. Reference:
Set up vulnerability scans | Docker Docs
Scan images for vulnerabilities | Docker Docs
Container Security 101 - Scanning images for Vulnerabilities


NEW QUESTION # 77
Does this describe the role of Control Groups (cgroups) when used with a Docker container?
Solution: user authorization to the Docker API

  • A. Yes
  • B. No

Answer: B

Explanation:
= The role of Control Groups (cgroups) when used with a Docker container is not user authorization to the Docker API. Cgroups are a feature of the Linux kernel that allow you to limit the access processes and containers have to system resources such as CPU, RAM, IOPS and network1. Cgroups enable Docker to share available hardware resources to containers and optionally enforce limits and constraints2. User authorization to the Docker API is a different concept that involves granting permissions to users or groups to perform certain actions on the Docker daemon, such as creating, running, or stopping containers3.
References:
* Lab: Control Groups (cgroups) | dockerlabs
* Runtime metrics | Docker Docs
* Authorize users to access the Docker API | Docker Docs
I hope this helps you understand the role of cgroups and how they work with Docker containers. If you have any other questions related to Docker, please feel free to ask me.


NEW QUESTION # 78
......

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