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DCA PDF DEMO:
QUESTION NO: 1
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
A. No
B. Yes
Answer: B
QUESTION NO: 2
Is this a type of Linux kernel namespace that provides container isolation?
Solution: Storage
A. Yes
B. No
Answer: B
QUESTION NO: 3
Is this the purpose of Docker Content Trust?
Solution: Verify and encrypt Docker registry TLS.
A. No
B. Yes
Answer: B
QUESTION NO: 4
An application image runs in multiple environments, and each environment uses different certificates and ports, what is the best practice to deploy the containers?
A. Create a config file for each environment.
B. Create images that contain the specific configuration for every environment.
C. Create a Dockerfile for each environment, specifying ports and Docker secrets for certificates.
D. Create a Dockerfile for each environment, specifying ports and ENV variables for certificates.
Answer: A
QUESTION NO: 5
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 -service udp dns-cache'
A. Yes
B. No
Answer: B
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Updated: May 27, 2022