HCIA Cloud Computing
Chapter 2 – Introduction to Compute Virtualization – Questions for Discussion
- In computing virtualization, the operating system running in a VM is referred to as Host OS. A) True B) False [TRUE/FALSE]
A. The description of the relationship between Host Machine and Guest Machine is correct [Multiple choice]
B. After using virtualization technology, a Guest Machine can use multiple Host Machine resources at the same time.
C. After using virtualization technology, a Guest Machine can only run on the Host Machine that created it.
D. After using virtualization technology, one Host Machine can only run one hypervisor.
- After using virtualization technology, multiple guest machines can be run on one Host Machine. The following is the calculation of compute virtualization [Multiple choice]
A. CPU virtualization
B. network virtualization
C. memory virtualization
D. I / O virtualization
E. disk virtualization
- KVM ( Kernel-based Virtual Machine ) virtual machine can run on other virtualization platforms through format conversion [TRUE/FALSE]
A. TRUE
B. FALSE
- In the Huawei Fusion Compute architecture, the role of the Host Machine is [Single Choice]
A. CNA
B. UVP
C. KVM
D. VRM
- The following description of KVM ( Kernel-based Virtual Machine ) is correct
[Multiple choice]
A. KVM belongs to type II virtualization
B. KVM belongs to type I virtualization
C. KVM is a module in the Linux kernel
D. KVM is an open source virtualization technology
- In the virtualization of KVM type, the following description is correct [Multiple choice]
A. Guest OS can be Windows
B. Guest OS can be Linux
C. Host OS can be Windows
D. Host OS can be Linux
- Computing virtualization through different angles will produce different classifications, can be divided into type I and type II virtualization, can also be divided into full virtualization and paravirtualization. [TRUE/FALSE]
A. TRUE
B. FALSE
- KVM uses Virtio , the description of the I / 0 forwarding process is correct ( AC ) [Multiple choice]
A. I/0 request is sent directly by the front-end driver to the back-end driver
B. I/0 request is no longer forwarded via QEMU
C. I/0 request forwarding efficiency will increase
D. I/0 request requires KVM module forwarding
- Open source virtualization technology is type I virtualization, closed source virtualization technology is type II virtualization [TRUE/FALSE]
A. TRUE
B. FALSE
- The following description of the type I (bare metal) computing virtualization features is correct [Multiple choice]
A. Applications can be run directly in VMM on
B. Hypervisor runs directly on top of physical hardware
C. Applications and virtual machines can run directly in the Host OS
D. Application cannot directly run Host Machine on
- In compute virtualization, the virtual machine operating system running is referred to as the Host OS. [TRUE/FALSE]
- TRUE B. FALSE
- The CPU virtualization technology can be divided into full virtualization, paravirtualization, virtualization software and hardware-assisted virtualization. [TRUE/FALSE]
A TRUE
B FALSE
- The following descriptions about the Hypervisor are correct [Single choice]
A Hypervisor is virtualization
B Hypervisor is essentially an operating system
C Hypervisor carries a lot of drivers, so Hypervisor does not need to install drivers and patches.
D Hypervisor is the key to computer virtualization
- below the Hypervisor description is incorrect [Single choice]
A. In virtualization, Hypervisor and VMM are a concept.
B. In virtualization, the Hypervisor can run directly on the Host Machine.
C. In virtualization, the Hypervisor can monitor the status of the Guest Machine.
D. In virtualization, only the hypervisor can directly access physical resources.
- The following description of type II (host type) virtualization is correct [Single choice]
A. VMM running in the Guest Machine in
B. VMM runs directly Host Machine on
C. VMM running in Guest OS on
D. VMM running in Host OS on
- The following description about KVM and Xen is correct [Multiple choice]
A. Xen virtual machine can be converted to KVM virtual machine
B. Domain 0 and Domain U are concepts in KVM
C. KVM and Xen are both open source hypervisors
D. KVM and Xen can run on the same Host OS in
- The virtual machine generally consists of virtual machine configuration information and disk files. The user can move the two files to run the virtual machine on different physical hosts. What are the characteristics of cloud computing in the above description? [Multiple choice]
A. Partition
B. Isolation
C. Independent
D. Package
- The following are not KVM ( Kernel-Based Virtual Machine ) management tools [Single choice]
A. QEMU
B. Virsh instruction set
C. Virt-Manager
D. Libvirt
- In computing virtualization, allocating CPU and memory to a virtual machine is [Multiple choice]
A. Hypervisor
B. VMM
C. Guest OS
D. Host OS
- KVM virtual machine can be created through a graphical interface, or you can use the command line to create [TRUE/FALSE]
A. True
B. False
- Which of the following options belong to KVM [Multiple choice]
A. Libvirt
B. Domain 0
C. QEMU
D. ESXI
- The following options belong to the open source virtualization technology [Single choice]
A. FusionCompute
B. vSphere
C. KVM
D. Hyper-v
- When a virtual machine on a physical host fails, it does not affect other virtual machines on the physical host. Which feature of virtualization technology is this? [Single choice]
A. Isolation
B. Partition
C. Independence
D. Package
- The following description about Virt-manager is correct [Multiple choice]
A. Virt-manager is a KVM virtual machine management command set
B. Virt-manager is an open source KVM virtual machine management tool
C. Virt-manager is a commercial KVM virtual machine management tool
D. Virt-manager is a KVM virtual machine graphical management tool
- In Huawei FusionCompute , a virtual machine of the Linux operating system is created . In this scenario, host OS is running as [Single choice]
A. VNA
B. CNA
C. VRM
D. Linux virtual machine
- KVM virtualized architecture includes KVM module, QEMU and Libvirt , the following description is not correct about these modules [Single choice]
A. KVM module is mainly responsible for Vcpu creation and virtual memory allocation
B. The KVM the QEMU + may constitute a virtualization technology solutions solutions
C. Libvirt + QEMU can constitute a virtualization technology solutions program
D. QEMU is mainly responsible for I/O operation simulation
- The virtual machine generally has a corresponding configuration file, and records the information such as the specification and name of the virtual machine. [TRUE/FALSE]
A. TRUE
B. FALSE
- After using virtio , the NIC speed of the windows virtual machine is 10Gbps [TRUE/FALSE]
A. TRUE
B. FALSE
- In Huawei FusionCompute , when the virtual machine is in the “running” or “stopped” state, the user can be able to increase or decrease the number of vCPUs of the virtual machine [TRUE/FALSE]
- In compute virtualization, which of the following allocates CPU and memory resources to VMs? [Single choice]
A. Guest OS
B. VMM
C. Hypervisor
D. Host OS
- All open-source virtualization technologies are type 1 virtualization, while all closed-source ones are type 2 virtualization. [TRUE/FALSE]
A. TRUE
B. FALSE
- Which of the following are true about the encapsulation feature of virtualization?
[Multiple choice]
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
