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The existing two hosts A and B are interconnected through a layer switch, and A and B belong to different VLANs. When host A sends a broadcast message to the network, host B will receive a message whose destination MAC is all "F".
The existing two hosts A and B are interconnected through a layer switch, and A and B belong to different VLANs. When host A sends a broadcast message to the network, host B will receive a message whose destination MAC is all "F".A . TRUEB . FALSEView AnswerAnswer: B
Under thin provisioning, only the virtual storage space of written data will actually allocate physical storage and virtual storage space of unwritten data does not occupy physical storage resources.
Under thin provisioning, only the virtual storage space of written data will actually allocate physical storage and virtual storage space of unwritten data does not occupy physical storage resources.A . TRUEB . FALSEView AnswerAnswer: A
Which of the following descriptions about namespaces in Linux virtual networks is wrong?
Which of the following descriptions about namespaces in Linux virtual networks is wrong?A . Multiple namespaces can be created within a HostB . A device can only be in one namespaceC . From a purely network perspective, namespace can provide an independent network protocol stackD . Different namespaces are isolated...
A company needs to expand the disk capacity of some business virtual machines due to business development, but it is found that several disks do not support capacity expansion. Which of the following is not a possible cause of the failure?
A company needs to expand the disk capacity of some business virtual machines due to business development, but it is found that several disks do not support capacity expansion. Which of the following is not a possible cause of the failure?A . The disk is a shared diskB . The...
Which of the following is the most suitable cloud computing operation model for small IOE enterprises?
Which of the following is the most suitable cloud computing operation model for small IOE enterprises?A . Hybrid cloudB . Private CloudC . Community CloudD . Public cloudView AnswerAnswer: A
All RAID levels can enhance the fault tolerance of the system and improve the read and write performance of the storage system.
All RAID levels can enhance the fault tolerance of the system and improve the read and write performance of the storage system.A . TRUEB . FALSEView AnswerAnswer: B
In FusionCompute, when virtual machines are live migrated across hosts (CPUs of different Intel models), which one of the following policies needs to be set for the cluster?
In FusionCompute, when virtual machines are live migrated across hosts (CPUs of different Intel models), which one of the following policies needs to be set for the cluster?A . DPMB . DRSC . HAD . IMCView AnswerAnswer: D
Using Virtio for device simulation can shorten the path of I/O requests and improve the performance of virtualization.
Using Virtio for device simulation can shorten the path of I/O requests and improve the performance of virtualization.A . TRUEB . FALSEView AnswerAnswer: A
Which of the following descriptions about Hypervisor is correct?
Which of the following descriptions about Hypervisor is correct?A . Hypervisor is equal to virtualization, and virtualization can be realized with HypervisorB . Hypervisor implements isolation between the operating system and applications and the hardware layerC . Hypervisor is an operating system in host virtualizationD . Hypervisor running in non-root...
Load balancing can share specific services to multiple network devices or multiple links, thereby improving service processing capabilities and ensuring high service reliability.
Load balancing can share specific services to multiple network devices or multiple links, thereby improving service processing capabilities and ensuring high service reliability.A . TRUEB . FALSEView AnswerAnswer: A
