Question 31- 60
Q31) In computing virtualization, the operating system running in a VM is referred to as the host OS.
- a) True
- b) False
Correct Answer: B
Q32) In computing virtualization, the hypervisor is an intermediate software layer running between the physical server and the OS. It monitors the status of the host OS
- a) True
- b) False
Correct Answer: B
Q33) Which of the following is false about the hypervisor? (single answer)
- a) In virtualization, only the hypervisor can directly access physical resources.
- b) In virtualization, the hypervisor can monitor the status of the guest machine.
- c) In virtualization, the hypervisor can directly run on the host machine.
- d) In virtualization, the hypervisor and VMM are the same concept.
Correct Answer: A
Q34) Which of the following are true about the relationship between the host machine and guest machine? (Multiple answers)
- a) With the virtualization technology, one host machine can run multiple guest machines.
- b) With the virtualization technology, one guest machine can use resources of multiple host machines.
- c) With the virtualization technology, one host machine can run only one hypervisor.
- d) With the virtualization technology, one guest machine can run only on the host machine where it is created.
Correct Answer: A, C
Q35) Which of the following are true about the type I (bare metal) computing virtualization? (Multiple answers)
- a) Applications can directly run on VMM.
- b) Applications and VMs can directly run on the host OS.
- c) The hypervisor directly runs on physical hardware.
- d) Application cannot directly run on the host machine.
Correct Answer: C, D
Q36) Which of the following is true about the type II (hosted) virtualization? (single answer)
- a) VMM runs on the host OS.
- b) VMM directly runs on the host machine.
- c) VMM runs on the guest OS.
- d) VMM runs on the guest machine
Correct Answer: A
Q37) Open-source virtualization technologies are all type I virtualization. Closed source virtualization technologies are all type II virtualization? (Single answer)
- a) True
- b) False
Correct Answer: B
Q38) If a VM on a physical host is faulty, other VMs on the physical host are not affected. Which of the following feature of the virtualization technology is reflected by the preceding description? (Single answer)
- a) Partition
- b) Isolation
- c) Encapsulation
- d) Independence
Correct Answer: B
Q39) Which of the following are used to allocate CPU and memory resources to VMs in computing virtualization? (Multiple answers)
- a) Host OS
- b) Guest OS
- c) VMM
- d) Hypervisor
Correct Answer: C, D
Q40) Computing virtualization technologies can be classified into type I and type II virtualization or full virtualization and paravirtualization from different perspectives.
- a) True
- b) False
Correct Answer: A
Q41) A VM consists of the VM configuration file and disk file. Users can move the two files to run the VM on different physical hosts. Which features of cloud computing are reflected by the preceding description? (Multiple answers)
- a) Encapsulation
- b) Isolation
- c) Independence
- d) Partition
Correct Answer: A, C
Q42) Which of the following are true about the encapsulation feature of virtualization? (Multiple answers)
- a) Multiple VMs can concurrently run on a physical host.
- b) If a VM has multiple disks, each disk generates a corresponding disk file.
- c) The VM configuration file contains information such as the CPU type and quantity.
- d) VMs can be migrated from one physical host to another.
Correct Answer: B, C
Q43) Which of the following best demonstrate the advantages of virtualization? (Multiple answers)
- a) With the virtualization technology, multiple applications can concurrently run on the
- b) Operating system of a physical host.
- c) With the virtualization technology, the CPU usage of a physical host keeps around 65%.
- d) With the virtualization technology, VMs can be migrated between hosts.
- e) With the virtualization technology, multiple VMs can concurrently run on a physical host.
Correct Answer: C, D
Q44) Virtualization is applicable to which of the following scenarios? (Multiple answers)
- a) A company has 10 service systems. The resource usage rate of the hosts running the service systems is less than 20%.
- b) All employees in a company almost use the same office desktop applications.
- c) A scientific research institute uses a customized operating system to ensure the confidentiality of scientific research results.
- d) An enterprise requires a high-load and compute-intensive environment.
Correct Answer: A, B
Q45) The reasons why the computing virtualization technology can improve application reliability are ( ). (Multiple answers)
- a) VMs that run applications are decoupled from hardware, enabling VMs to migrate between physical hosts.
- b) The computing virtualization technology enables multiple applications to concurrently run on the same physical host.
- c) The computing virtualization technology can automatically adjust VM specifications.
- d) The computing virtualization technology can automatically allocate VMs that run applications to physical hosts with sufficient resources.
Correct Answer: A, D
Q46) Which of the following are true about the relationship between virtualization and cloud computing? (Multiple answers)
- a) Virtualization is one of the technologies to implement cloud computing.
- b) Virtualization is a technology. Cloud computing is a service mode. Virtualization promotes the development of cloud computing.
- c) Without cloud computing, virtualization has no value.
- d) Without virtualization, cloud computing has no value.
Correct Answer: A, B
Q47) The virtualization technology can improve hardware resource utilization and reduce O&M costs. Cloud computing also has these advantages. Therefore, cloud computing and virtualization technologies are inseparable from each other.
- a) True
- b) False
Correct Answer: B
Q48) Some virtualization technologies are opensource and some are closed-source. So does the cloud computing management platform. The open-source cloud computing management platform needs to be implemented by opensource virtualization technologies.
- a) True
- b) False
Correct Answer: B
Q49) The CPU virtualization technologies can be classified into full virtualization, paravirtualization, software virtualization, and hardware-assisted virtualization.
- a) True
- b) False
Correct Answer: B
Q50) Which of the following are true about KVM virtualization? (Multiple answers)
- a) The host OS can be Linux.
- b) The host OS can be Windows.
- c) The guest OS can be Linux.
- d) The guest OS can be Windows.
Correct Answer: A, C, D
Q51) Which of the following are true about Kernel-based Virtual Machine (KYM)? (Multiple answers)
- a) KVM is an open-source virtualization technology
- b) KVM belongs to type I virtualization
- c) KVM belongs to type II virtualization
- d) KVM is a module in the Linux kernel.
Correct Answer: A, C, D
Q52) Which of the following are true about KVM and Xen? (Multiple answers)
- a) KYM and Xen are open-source hypervisors.
- b) Domain 0 and Domain U are concepts in KVM.
- c) KVM and Xen can run in the same host OS.
- d) Xen VMs can be converted to KVM VMs.
Correct Answer: A, D
Q53) Kernel-based Virtual Machine (KVM) is an open-source full virtualization solution.
- a) True
- b) False
Correct Answer: A
Q54) Which of the following belong to the Kernel-based Virtual Machine (KVM) architecture? (Multiple answers)
- a) Libvirt.
- b) Domain 0.
- c) QEMU.
- d) ESXi.
Correct Answer: A, C
Q55) Kernel-based Virtual Machine (KVM) VMs can run on other virtualization platforms after being converted.
- a) True
- b) False
Correct Answer: A
Q56) Which of the following is not a Kernel-based Virtual Machine (KVM) management tool?
- a) Libvirt.
- b) Virsh command set.
- c) Virt-Manager.
- d) QEMU.
Correct Answer: D
Q57) QEMU functions as a hardware Simulator in KVM. It is a unique technology of the Linux operating system.
- a) True
- b) False
Correct Answer: B
Q58) Which of the following operations can be performed in Huawei FusionCompute? (Multiple answers)
- a) Create VMs.
- b) Delete VMs.
- c) Convert VMs on other virtualization platforms to VMs that can be used by FusionCompute
- d) Clone VMs
Correct Answer: A, B, D
Q59) In Huawei FusionCompute, users can manage VMs in which of the following modes? (Multiple answers)
- a) Log in to the CNA and run commands for management
- b) Log in to the VM for management
- c) Log in to the VRM and use the GUI for management.
- d) Log in to the CNA and use the GUI for management.
Correct Answer: A, B, C
Q60) You can create a KVM VM on the GUI or by running commands.
- a) True
- b) False
Correct Answer: A