When binding a disk to a virtual machine in Huawei FusionCompute, to achieve the following requirements, the virtual machine does not take a snapshot of the disk when creating a snapshot, and does not restore the disk when using the snapshot to restore the virtual machine. At the same time, all data is required to be permanently written. The disk, which mode should I choose?
In KVM, there are two ways for the virtual machine network card to connect to the physical network, namely (A) and ()
The weakest data redundancy of the following RAID levels is ()
Virtual machines generally have corresponding configuration files that record information such as the specifications and names of the virtual machines.
The process of creating a file system on a disk is often referred to as
The way FusionCompute Installer deploys VRM virtual machines is ().
Open source virtualization technologies are all type I virtualization, and closed source virtualization technologies are all type II virtualization
The KVM virtualization architecture includes KVM modules, QEMU and Libvirt. The following incorrect description of these modules is
A, KVM module is mainly responsible for the creation of Vcpu and the allocation of virtual memory
B. KVM + QEMU can constitute a set of virtualization solutions
C, Libvirt + QEMU can constitute a set of virtualization solutions
D, QEMU is mainly responsible for I / O operation simulation
In Huawei FusionCompute, users can manage VMs in multiple ways:
In Huawei FusionCompute, the resources of the cluster are composed of the host and its associated storage and network resources.
What is included in the virtual NUMA (multiple choice)
In Huawei FusionCompute, the following incorrect technical description of CPU QoS is (C)
A The role of "reservation" is to ensure the lower limit of the computing power of the virtual machine, that is, how much resources are used at least
B "Shares" is used to calculate resources based on the relative CPU share values of multiple virtual machines when computing resources are insufficient.
Source balance and adjustment
C "limit" is used to specify the maximum number of hosts
D By adjusting the "Reservation", "Share", "Restriction", to achieve control of the virtual machine CPU resource usage
In Huawei FusionCompute, virtual machines using raw device mapping type data storage are not supported (multiple selection)
The following are the north-south traffic (multi-select)
In the physical network, which device can perform routing and forwarding?
In Huawei FunsionCompute, the following description of the host storage interface is incorrect is A
Switches can be divided into access switches, aggregation switches, and core switches according to their usage. Virtual switches belong to aggregation switches Switch
A True
B False
Huawei FusionCompute can sense the use of global physical resources during the running of a virtual machine, and use an intelligent scheduling algorithm to calculate the best host suitable for the virtual machine to run, and run the virtual machine on the best host by means of hot migration, Thereby improving the global business experience
A True
B False
The following incorrect description of the template is
. Where is the memory reuse function enabled in Huawei FusionCompute?
If a virtual machine wants to communicate with other virtual machines, which of the following options is necessary?
In Huawei FusionCompute, the following incorrect description of CPU resource QoS is
The function of the Internet of Things is only to collect data generated by various things.
The following description about the differences between physical switches and virtual switches is incorrect
A virtual switch runs on a physical server, and the physical switch has separate hardware
B The virtual switch cannot operate on the VLAN tag, and the physical switch can operate on the VLAN tag
C A virtual switch cannot be configured with a Layer 3 interface, and a physical switch can be configured with a Layer 3 interface
D Virtual switches also require certain hardware resources for their normal operation
In FusionCompute, the virtual network adapter of each virtual machine is connected to the port of the virtual switch. In order to facilitate the user to configure and manage multiple ports at the same time, divide the ports with the same network attributes into the same port group
In Huawei FusionCompute, if the number of physical NICs in the server is small, consider adding multiple Plane Merging Department Deployment, using VLAN to logically isolate each plane A
Virtualization description is correct
In Huawei FusionCompute, DVS not only supports static routing configuration, but also supports a variety of dynamic routing.
Computing virtualization has different classifications from different perspectives, which can be divided into type I and type II virtualization, and can also be divided into full virtualization and paravirtualization.
Memory multiplexing technology is the prerequisite for the realization of memory resource QoS.
In Huawei FusionCompute, to improve VRM reliability, which of the following deployment methods is recommended?
A active / standby deployment
B single node deployment
C hybrid deployment
D active-active deployment
Voice recognition, image recognition, and emotional companion robots are all applications of artificial intelligence
In the following description, in line with the characteristics of the virtual package (multiple) the A. The configuration file of the virtual machine contains information such as CPU type and quantity.
B. Virtual machines can be migrated from one physical host to another
C. Multiple virtual machines can run on one physical host at the same time
D. If a virtual machine has multiple hard disks, each hard disk will generate a corresponding disk file
In Huawei FusionCompute, if a virtual machine is bound to a host, the functions that will be affected are (multi-select) .
In Huawei FusionCompute, the following incorrect description of the template format is.
Which of the following technologies or equipment cannot isolate broadcasts
In Huawei FusionCompute, a Linux-based virtual machine is created. In this scenario, the host OS Running at
A, VNA
B, CNA
C, VRM
D, Linux virtual machine
In the development of the Internet, there are many milestone events. The order of the milestone events in the following options is normal.
SATA disks use parallel interface type disks, and SAS disks use serial interface type disks.
For FusionCompute, the following incorrect description of storage-related concepts is
Virtualization is divided into computing virtualization, storage virtualization and network virtualization, corresponding to cloud computing cloud host, cloud storage, cloud network
A, yes
B, wrong
The following are CIFS descriptions that are correct
Compared with FC SAN, which of the following is not an advantage of IP SAN?
As FusionCompute, which one of the following options do not belong CPU resources QoS parameters?
A, CPU share of resources
B, CPU resource limits
C, CPU resource reservation
D, CPU resource reuse
Virtual machine live migration refers to moving virtual machines in the same cluster from one physical server to another physical server in the state of a virtual machine.