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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'
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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 93 - 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 <container-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, such as Splunk.This command only displays the logs of a specific container in the standard output or a file, but does not send them to any external system1.To export container logs to Splunk, you need to use the Docker Logger Drivers, which are plugins that provide logging capabilities for Docker containers2.The Splunk logging driver sends container logs to HTTP Event Collector in Splunk Enterprise and Splunk Cloud3.To use the Splunk logging driver for a specific container, you need to use the command-line flags--log-driverand--log-optwithdocker run, and provide the Splunk token and URL as options3. For example:

$ docker run --log-driver=splunk --log-opt splunk-token=VALUE --log-opt splunk-url=VALUE ...

docker logs | Docker Documentation

Logging drivers | Docker Documentation

Splunk logging driver | Docker Documentation

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asked 08/11/2024
Sze Yenn Tan
36 questions
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