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

NEW QUESTION # 73
Is this an advantage of multi-stage builds?
Solution. better logical separation of Dockerfile instructions for increased readability

A. Yes
B. No

Answer: B

Explanation:
Explanation
Better logical separation of Dockerfile instructions for increased readability is not an advantage of multi-stage builds. Multi-stage builds are a feature that allows you to use multiple FROM statements in your Dockerfile.
Each FROM statement begins a new stage of the build. You can selectively copy artifacts from one stage to another, leaving behind everything you don't want in the final image. The main advantage of multi-stage builds is that they allow you to reduce the size of your final image by only including the essential components and dependencies. Another advantage of multi-stage builds is that they allow you to optimize the build cache by grouping similar instructions in each stage. Better logical separation of Dockerfile instructions for increased readability is not an inherent advantage of multi-stage builds, as it depends on how you write and organize your Dockerfile. References: https://docs.docker.com/develop/develop-images/multistage-build/,
https://docs.docker.com/develop/develop-images/dockerfile_best-practices/#use-multi-stage-builds

NEW QUESTION # 74
Is this a supported user authentication method for Universal Control Plane?
Solution. LDAP

A. Yes
B. No

Answer: A

Explanation:
= LDAP is a supported user authentication method for Universal Control Plane (UCP). UCP has its own built-in authentication mechanism and integrates with LDAP and Active Directory. It also supports Role Based Access Control (RBAC) and Docker Content Trust. UCP allows you to configure LDAP as an authentication method and connect it to your LDAP server. You need to provide the LDAP URL, the base DN, the bind DN and password, and the user and group search settings12. References:
* SAML | Docker Docs
* Universal Control Plane overview | dockerlabs

NEW QUESTION # 75
When an application being managed by UCP fails, you would like a summary of all requests made to the UCP API in the hours leading up to the failure.
What must be configured correctly beforehand for this to be possible?

A. Set the logging level in theconfig object for the ucp-kube-api-server container to warning or higher.
B. All engines in the cluster must have their log driver set to the metadata' or request' level.
C. UCP logging levels must be set to the info' or debug' level.
D. UCP audit logs must be set to the metadata' or request' level.

Answer: D

NEW QUESTION # 76
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. Yes
B. No

Answer: A

Explanation:
Explanation
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 is a correct statement about how this service routes requests. A clusterIP service is a type of service that exposes an internal IP address that is only reachable within the cluster. A clusterIP service routes requests to pods based on their labels and selectors. In this case, the service has a selector app: nginx, which means it will route requests to any pod that has the label app: nginx. The service also has a port mapping from 8080 to 80, which means it will forward requests from port 8080 on the service IP to port 80 on the pod IP. The service will use a round-robin algorithm to distribute requests among the pods that match the selector. References:
https://kubernetes.io/docs/concepts/services-networking/service/#defining-a-service,
https://kubernetes.io/docs/concepts/services-networking/service/#virtual-ips-and-service-proxies

NEW QUESTION # 77
In the context of a swarm mode cluster, does this describe a node?
Solution: a physical machine participating in the swarm

A. Yes
B. No

Answer: A

Explanation:
A node is a physical or virtual machine running Docker Engine in swarm mode1. A node can be either a manager or a worker, depending on its role in the cluster1. A physical machine participating in the swarm is a node, regardless of its role or availability2. References:
* How nodes work | Docker Docs
* Manage nodes in a swarm | Docker Docs

NEW QUESTION # 78
......

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DCA Latest Braindumps Ppt | DCA Exam Questions Fee

100% Pass-Rate DCA Latest Braindumps Ppt Offer You The Best Exam Questions Fee | Docker Docker Certified Associate (DCA) Exam

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

Docker DCA Exam Dumps - A Surefire Way To Achieve Success

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