最新的Docker Certified Associate (DCA) - DCA免費考試真題
問題1
Will this action upgrade Docker Engine CE to Docker Engine EE?
Solution: Uninstall 'docker-ce' package before installing 'docker-ee' package.
Solution: Uninstall 'docker-ce' package before installing 'docker-ee' package.
正確答案: B
說明：（僅 VCESoft 成員可見）
問題2
Is this a type of Linux kernel namespace that provides container isolation?
Solution: Network
Solution: Network
正確答案: A
說明：（僅 VCESoft 成員可見）
問題3
A persistentVolumeClaim (PVC) is created with the specification storageClass: "", and size requirements that cannot be satisfied by any existing persistentVolume.
Is this an action Kubernetes takes in this situation?
Solution: The PVC remains unbound until a persistentVolume that matches all requirements of the PVC becomes available.
Is this an action Kubernetes takes in this situation?
Solution: The PVC remains unbound until a persistentVolume that matches all requirements of the PVC becomes available.
正確答案: A
說明：（僅 VCESoft 成員可見）
問題4
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 80 will be routed to port 8080 in a random pod with the label app:
nginx.
Is this a correct statement about how this service routes requests?
Solution: Traffic sent to the IP of this service on port 80 will be routed to port 8080 in a random pod with the label app:
nginx.
正確答案: B
說明：（僅 VCESoft 成員可見）
問題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/udp dns-cache'
Solution: 'docker service create --name dns-cache -p 53:53/udp dns-cache'
正確答案: A
說明：（僅 VCESoft 成員可見）
問題6
You are troubleshooting a Kubernetes deployment called api, and want to see the events table for this object.
Does this command display it?
Solution:kubectl get deployment api
Does this command display it?
Solution:kubectl get deployment api
正確答案: B
說明：（僅 VCESoft 成員可見）
問題7
Will this command display a list of volumes for a specific container?
Solution: 'docker container inspect nginx'
Solution: 'docker container inspect nginx'
正確答案: A
說明：（僅 VCESoft 成員可見）
問題8
You configure a local Docker engine to enforce content trust by setting the environment variable DOCKER_CONTENT_TRUST=1.
If myorg/myimage: 1.0 is unsigned, does Docker block this command?
Solution: docker image import <tarball> myorg/myimage:1.0
If myorg/myimage: 1.0 is unsigned, does Docker block this command?
Solution: docker image import <tarball> myorg/myimage:1.0
正確答案: A
說明：（僅 VCESoft 成員可見）
問題9
Will this command ensure that overlay traffic between service tasks is encrypted?
Solution:docker service create --network --encrypted
Solution:docker service create --network --encrypted
正確答案: B
說明：（僅 VCESoft 成員可見）
問題10
Will this action upgrade Docker Engine CE to Docker Engine EE?
Solution.Disable the Docker service via 'chkconfig' or 'systemctl'.
Solution.Disable the Docker service via 'chkconfig' or 'systemctl'.
正確答案: B
說明：（僅 VCESoft 成員可見）
問題11
Will this action upgrade Docker Engine CE to Docker Engine EE?
Solution: Delete '/var/lib/docker' directory.
Solution: Delete '/var/lib/docker' directory.
正確答案: B
說明：（僅 VCESoft 成員可見）
問題12
Is this a way to configure the Docker engine to use a registry without a trusted TLS certificate?
Solution: Pass the '--insecure-registry' flag to the daemon at run time.
Solution: Pass the '--insecure-registry' flag to the daemon at run time.
正確答案: A
說明：（僅 VCESoft 成員可見）
