As a rapidly developing technology in recent years, cloud computing has its own unique advantages. The advantages of cloud computing include: on-demand self-service, extensive network access, higher performance, and measurable services.
A . TRUE
B . FALSE
Answer: B
Which of the following can achieve load balancing between different hosts in a FusionCompute cluster?
A . DPM
B . IMC
C . HA
D . DRS
Answer: D
A company has deployed services on the FusionCompute platform. In order to optimize the memory access performance of the virtual machine, which one of the following virtual machine features needs to be used?
A . NUMA
B . Resource Hot Add
C . Template Deployment
D . Snapshot
Answer: A
Which of the following descriptions about the development of cloud computing architecture is wrong?
A . The resource pool is constructed from a small-scale resource virtualization integration to a larger-scale resource pool
B . Platform and cloud management software move from closed source and closed source to open source and open source
C . From IT non-critical applications to enterprise critical applications
D . Data form unstructured and semi-structured to structured
Answer: D
Which of the following descriptions about the expansion requirements of virtual machine disks in Fusion Compute is correct?
A . When the data storage type to which the disk belongs is NAS storage and the configuration mode of the disk is "Normal", online increase of disk capacity is not supported
B . When the disk mode is "independent-non-persistent", it supports online increase of disk capacity
C . The data storage type to which the disk belongs must be a SAN type storage resource
D . When the virtual machine is in the "stopped" state, disk expansion cannot be performed
Answer: A
The virtual machine network QoS policy provides bandwidth configuration control capabilities, and the QoS function supports traffic restrictions between virtual machines on the same host.
A . TRUE
B . FALSE
Answer: B
Which of the following descriptions about Libvirt components is wrong?
A . Libvit is a set of library functions, called by other techniques, to manage virtual machines on the machine
B . KVM, Xen and LXC, etc., can call the api provided by Libvir to manage the virtualization platform
C . Libvit is a closed source project, it is a very powerful management tool
D . Libvirt provides programming interfaces in multiple languages, which can be directly programmed to call the external interface provided by Libvir to realize the operation of the virtual machine
Answer: C
In the early stage of an enterprise’s operation, two physical hosts are used to deploy the FusionCompute platform to carry services. The two hosts are in the same cluster. VM 1 runs on host A and VM 2 runs on host B. The service needs to reduce the load on host A, the technician is now migrating VM1 on host A to host B and finds that the migration cannot be completed. Which of the following is the possible reason?
A . The cluster has enabled the IMC policy
B . The cluster has enabled memory reuse
C . VM 2 is set to bind with host B
D . VM 1 and VM 2 set up mutually exclusive virtual machine policy
Answer: D
When a certain end on a secondary switch is only sending messages, it cannot receive messages from another device.
A . TRUE
B . FALSE
Answer: B
Which of the following is not a function of a virtual machine?
A . Support template deployment
B . Support for snapshots
C . Support online memory size reduction
D . Support control through console
Answer: C