305-300 LPIC-3 Virtualization and Containerization Exam Dumps Questions

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Share some 305-300 exam online questions below. 
1.The commandvirsh vol-list vmsreturns the following error:
error: failed to get pool 'vms'
error: Storage pool not found: no storage pool with matching name 'vms '
Given that the directory/vmsexists, which of the following commands resolves this issue?
A. dd if=/dev/zero of=/vms bs=1 count=0 flags=name:vms
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B. libvirt-poolctl new C-name=/vms C-type=dir C-path=/vms
C. qemu-img pool vms:/vms
D. virsh pool-create-as vms dir --target /vms
E. touch /vms/.libvirtpool
Answer: D
2. FILL BLANK
What is the default path to the Docker daemon configuration file on Linux? (Specify the full name of
the file,Including path.)
Answer: /etc/docker/daemon.json
3.Virtualization of which hardware component is facilitated by CPUs supporting nested page table
extensions, such as Intel Extended Page Table (EPT) or AMD Rapid Virtualization Indexing (RVI)?
A. Memory
B. Network Interfaces
C. Host Bus Adapters
D. Hard Disks
E. IO Cache
Answer: A
4.Which of the following mechanisms are used by LXC and Docker to create containers? (Choose
three.)
A. Linux Capabilities
B. Kernel Namespaces
C. Control Groups
D. POSIXACLs
E. File System Permissions
Answer: A B C
5.Which command within virsh lists the virtual machines that are running on the current host?
A. I view
B. list-vm
C. list
D. show
E. list-all
Answer: C
6.What is the purpose of the commandvagrantinit?
A. It executes a provisioning tool in a running box.
B. It starts a Vagrant box.
C. It creates a Vagrant configuration file.
D. It installs Vagrant on a Linux host.
E. It downloads a Vagrant box.
Answer: C
7.Which of the following network interface types are valid in an LXD container configuration? (Choose
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three.)
A. ipsec
B. macvlan
C. bridged
D. physical
E. wifi
Answer: B C D
8.Which of the following values are valid in the type attribute of a<domain>element in a libvirt domain
definition? (Choose two.)
A. proc
B. namespace
C. kvm
D. cgroup
E. Ixc
Answer: C E
9.What is the purpose of capabilities in the context of container virtualization?
A. Map potentially dangerous system calls to an emulation layer provided by the container
virtualization.
B. Restrict the disk space a container can consume.
C. Enable memory deduplication to cache files which exist in multiple containers.
D. Allow regular users to start containers with elevated permissions.
E. Prevent processes from performing actions which might infringe the container.
Answer: E
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