Download LPIC-3: Virtualization and Containerization - Exam 305, version 3.0.305-300.VCEplus.2023-12-19.32q.tqb

Vendor: LPI
Exam Code: 305-300
Exam Name: LPIC-3: Virtualization and Containerization - Exam 305, version 3.0
Date: Dec 19, 2023
File Size: 186 KB
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Question 1
Which file format is used by libvirt to store configuration data?
  1. INI-style text files
  2. SQLite databases
  3. XML files
  4. Java-like properties files
  5. Text files containing key/value pairs
Correct answer: C
Question 2
Which of the following statements is true regarding the following output of xl list:
  1. Both Debian and Ubuntu require xl commands to start running.
  2. The domain with ID 2 uses Para virtualization.
  3. CentOS is the domain which has consumed the most CPU time.
  4. Ubuntu is idle or waiting for I/O.
  5. It is necessary to use the xl command to change Ubuntu's state to running.
Correct answer: D
Question 3
What is true about containerd?
  1. It is a text file format defining the build process of containers.
  2. It runs in each Docker container and provides DHCP client functionality
  3. It uses rune to start containers on a container host.
  4. It is the initial process run at the start of any Docker container.
  5. It requires the Docker engine and Docker CLI to be installed.
Correct answer: C
Question 4
Which of the following resources can be limited by libvirt for a KVM domain? (Choose two.)
  1. Amount of CPU lime
  2. Size of available memory
  3. File systems allowed in the domain
  4. Number of running processes
  5. Number of available files
Correct answer: AB
Question 5
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)?
  1. Memory
  2. Network Interfaces
  3. Host Bus Adapters
  4. Hard Disks
  5. IO Cache
Correct answer: A
Question 6
If a Dockerfile contains the following lines:
WORKDIR /
RUN cd /tmp
RUN echo test > test
where is the file test located?
  1. /ting/test within the container image.
  2. /root/tesc within the container image.
  3. /test within the container image.
  4. /tmp/test on the system running docker build.
  5. test in the directory holding the Dockerf ile.
Correct answer: C
Question 7
Which of the following commands boots a QEMU virtual machine using hardware virtualization extensions?
  1. qvirt -create -drive file=debian.img -cdrom debian.iso -m 1024 -boot d -driver hvm
  2. vm -kvm -drive file=debian.img -cdrom debian.iso -m 1024 -boot d
  3. qemu-hw -create -drive file=debian.img -cdrom debian.iso -m 1024 -boot d
  4. qemu -accel kvm -drive file-debian.img -cdrom debian.iso -m 1024 -boot d
  5. qvm start -vmx -drive file=debian.img -cdrom debian.iso -m 1024 -boot d
Correct answer: D
Question 8
Which of the following tasks are part of a hypervisor's responsibility? (Choose two.)
  1. Create filesystems during the installation of new virtual machine quest operating systems.
  2. Provide host-wide unique PIDs to the processes running inside the virtual machines in order to ease inter-process communication between virtual machines.
  3. Map the resources of virtual machines to the resources of the host system.
  4. Manage authentication to network services running inside a virtual machine.
  5. Isolate the virtual machines and prevent unauthorized access to resources of other virtual machines.
Correct answer: CE
Question 9
Which of the following devices exist by default in an LXC container? (Choose three.)
  1. /dev/log
  2. /dev/console
  3. /dev/urandom
  4. /dev/kmem
  5. /dev/root
Correct answer: ABC
Question 10
Which subcommand of virsh opens the XML configuration of a virtual network in an editor in order to make changes to that configuration? (Specify ONLY the subcommand without any parameters.)
  1. netedit
Correct answer: 1
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