Question 1

What is the purpose of a .dockerignore file?

Options :

A : It lists files existing in a Docker image which should be excluded when building a derivative image.

B : It specifies files that Docker does not submit to the Docker daemon when building a Docker image

C : It exists in the root file system of containers that should ignore volumes and ports provided by Docker.

D :

It must be placed in the top level directory of volumes that Docker should never attach automatically to a container.

E : It specifies which parts of a Dockerfile should be ignored when building a Docker image.

Answer: B

Question 2

What is true about containerd?

Options :

A : It is a text file format defining the build process of containers.

B : It runs in each Docker container and provides DHCP client functionality.

C : It uses runc to start containers on a container host.

D : It is the initial process run at the start of any Docker container.

E : It requires the Docker engine and Docker CLI to be installed.

Answer: C

Question 3

Which directory is used by cloud-init to store status information and configuration information retrieved from external sources?

Options :

A : /var/lib/cloud/

B : /etc/cloud-init/cache/

C : /proc/sys/cloud/

D : /tmp/.cloud/

E : /opt/cloud/var/

Answer: A

Question 4

Which of the following commands moves the libvirt domain web1 from the current host system to the host

system host2?

Options :

A : virsh node-update host1=-dom:web1 host2=+dom:web1

B : virsh pool-add host2 web1

C : virsh migrate web1 qemu+ssh://host2/system

D : virsh patch web1 .Domain.Node=host2

E : virsh cp .:web1 host2:web1

Answer: C

Question 5

Which of the following tasks are part of a hypervisor’s responsibility? (Choose two.)

Options :

A : Create filesystems during the installation of new virtual machine guest operating systems.

B : Provide host-wide unique PIDs to the processes running inside the virtual machines in order to ease interprocess communication between virtual machines.

C : Map the resources of virtual machines to the resources of the host system.

D : Manage authentication to network services running inside a virtual machine.

E : Isolate the virtual machines and prevent unauthorized access to resources of other virtual machines.

Answer: C,E