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The Kubernetes yaml shown below describes a networkPolicy. Will the networkPolicy BLOCK this traffic? Solution: a request issued from a pod lacking the tier: api label, to a pod bearing the tier: backend label
Does this command create a swarm service that only listens on port 53 using the UDP protocol? Solution. 'docker service create -name dns-cache -p 53:53 -constraint networking.protocol.udp=true dns-cache'
Is this a supported user authentication method for Universal Control Plane? Solution. x.500
Will this command display a list of volumes for a specific container? Solution. 'docker container logs nginx --volumes'
Is this a way to configure the Docker engine to use a registry without a trusted TLS certificate? Solution. Set INSECURE_REGISTRY in the' /etc/docker/default' configuration file.
The Kubernetes yaml shown below describes a clusterIP service. Is this a correct statement about how this service routes requests? Solution: Traffic sent to the IP of this service on port 8080 will be routed to port 80 in a random pod with the label aPP: nginx.
A Kubernetes node is allocated a /26 CIDR block (64 unique IPs) for its address space. If every pod on this node has exactly two containers in it, how many pods can this address space support on this node?
Will this command list all nodes in a swarm cluster from the command line? Solution. 'docker inspect nodes
A user's attempts to set the system time from inside a Docker container are unsuccessful. Could this be blocking this operation? Solution. SELinux
Will this command display a list of volumes for a specific container? Solution: docker volume inspect nginx'

Question 131 - DCA discussion

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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 logs <eontainer-id>

A.

Yes

Answers
A.

Yes

B.

No

Answers
B.

No

Suggested answer: B

Explanation:

The commanddocker logs <container-id>will not configure a Docker container to export container logs to the logging solution.This command is used to fetch the logs of a container from the Docker daemon, not to send them to an external service1.To export container logs to a logging solution, such as Splunk, you need to use a Docker logging driver2.A logging driver is a way of plugging into the Docker engine to forward logs to a specific destination2.Docker supports several built-in logging drivers, including one for Splunk3.To use the Splunk logging driver, you need to specify the--log-driver splunkoption when running a container, and provide some additional options, such as the Splunk HTTP Event Collector token and URL3.Alternatively, you can configure the Splunk logging driver as the default logging driver for the Docker daemon by editing thedaemon.jsonfile4.Reference:

1: docker logs | Docker Docs

2: Configure logging drivers | Docker Docs

3: Splunk logging driver | Docker Docs

4: Collecting docker logs and stats with Splunk | Splunk

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asked 08/11/2024
Jorge Pinto
30 questions
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