【单选题】
物理层的数据单位是___
A. 比特
B. 帧
C. 数据包
D. 数据报
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答案
A
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下列关于各种非屏蔽双绞线（UTP）的描述中，错误的是___
A. 超5类双绞线的带宽可以达到100MHz
B. 5类双绞线的特性阻抗为100Ω
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下列有关网络拓扑结构的叙述中，正确的是___
A. 网状拓扑结构主要用在局域网中
B. 网络拓扑结构就是网络体系结构
C. 网络拓扑结构是指网络节点和通信链路的几何图形
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下列关于局域网拓扑结构的叙述中，正确的是___
A. 星型结构的中心计算机发生故障时，不会导致整个网络停止工作
B. 环型结构网络中，任意一台工作站故障，都不会导致整个网络停止工作
C. 总线结构网络中，若某台工作站故障，一般不影响整个网络的正常工作
D. 星型结构的中心计算机不会发生故障
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计算机通信采用的交换技术有分组交换和电路交换，前者比后者___
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IP地址192.168.13.170/28的网络地址是___
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Which two correct virtual machine advanced configuration parameters will accomplish this? (Choose two.)___
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Which two statements are true for a vCenterServer user account that is used for vSphere Data Protection (VDP)? (Choose two.)___
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【多选题】
A vSphere administrator observes a CPU spike on one of the web servers (view the Exhibit.) Which two statements can describe the cause of this activity? (Choose two.)___
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【多选题】
Which three operations can cause VMFS metadata updates? (Choose three.)___
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【多选题】
*What two services run on all nodes in a vCenter Server HA cluster? (Choose two.)___
A. vmware-vmon
B. vmware-vpostgres
C. vmare-rbd-watchdog
D. vmware-vcha
