【多选题】
An administrator is attempting to access an ESXi host via the DCUI but is unable to do so. Which could be two possible causes? (Choose two.)___
A. The host in Qhas no out-of-band management capability (i.e. iLO/iDRAC).
B. The SSH service is disabled on the host.
C. Strict lockdown mode is enabled on the host.
D. Normal lockdown mode is enabled and the administrator is a member of the
E. xception User list.
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答案
CE
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Which are three supported storage requirements for vCenter Server HA? (Choose three.)___
A. NFS
B. RDM
C. vSAN
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Which are the two network requirements for a VMware vSAN 6.5 cluster? (Choose two.)___
A. Multicast must be enabled on the physical switches and routers that handle vSAN traffic.
B. vSAN requires IPv6 only.
C. All hosts must have a dedicated 40GbE NIC.
D. The vSAN network supported IPv4 or IPv6.
E. vSAN requires IPv4 only.
【多选题】
Which three prerequisites must be in place prior to enabling secure boot for a virtual machine? (Choose three.)___
A. VirtualMachine.Config.Settings privileges
B. an encrypted USB drive
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【多选题】
A user is given the "Virtual machine user (sample)" role in a vSphere 6.x environment. Which three permissions would the user be able to perform? (Choose three.)___
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【多选题】
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【多选题】
When enabling Storage DRS on a datastore cluster, which three components are enabled as a result? (Choose three.)___
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【多选题】
What are two features introduced in Network I/O Control version 3? (Choose two.)___
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【多选题】
Which two correct virtual machine advanced configuration parameters will accomplish this? (Choose two.)___
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【多选题】
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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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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 two statements are true regarding Auto Deploy in version 6.5? (Choose two.)___
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【多选题】
What three options can improve network performance for a virtual machine? (Choose three.)___
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【多选题】
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When upgrading a VMware vSAN cluster to version 6.5, which two tasks must be completed to comply with upgrade requirements and VMware-recommended best practices? (Choose two.)___
A. Use RVC to upgrade the hosts.
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【多选题】
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B. Support for 512e disks
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【多选题】
Which two statements describe why a vSphere DRS cluster would report load imbalance? (Choose two.)___
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B. The configured migration threshold is too low.
C. DRS is configured for Partially Automated.
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【多选题】
A vSphere Administrator must ensure that vCenter Server service is running in a domain user account rather than Local System Account. To accomplish this, the user account should have which two permissions? (Choose two.)___
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A. \mac
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D. \win32
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【多选题】
What are three considerations when booting ESXihost from SAN software FCoE? (Choose three.)___
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【多选题】
Which two choices are applicable to vSphere Availability? (Choose two.)___
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【多选题】
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Which two new vSphere 6.5 features enable an Administrator to locate configuration options when creating or editing host profiles more easily than in previous versions? (Choose two.)___
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D. Copy the configuration option from a different profile.
【多选题】
What are the two valid storage controller types for VMs on ESXi 6.5? (Choose two.)___
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【多选题】
Which two options can optimize conversion with VMware Converter? (Choose two.)___
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B. Remove the source from Active Directory.
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vSphere Availability considers which two factors for virtual machine restarts? (Choose two.)___
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B. VMware Tools is not installed on the guest operating system for the VM.
C. Insufficient Capacity is available on the failover ESXi hosts.
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【多选题】
What are two requirements in order to restore a Resource Pool Tree from a snapshot? (Choose two.)___
A. vSphere DRS must be turned on.
B. A restore can only be performed on a vSphere DRS cluster within the original vCenter Server.
C. vSphere
D. RS must be turned off.
【多选题】
Which three vSphere features are compatible with vSphere Replication? (Choose three.)___
A. vSphere High Availability
B. vSphere Fault Tolerance
C. vSphere Storage
D. RS
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作用在刚体上的三个力的作用线汇交于一点,则该刚体___。
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轴向拉伸(或压缩)时,杆件横截面上的应力称为___。
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使材料丧失正常工作能力的应力称为___。
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B. 工作应力
C. 安全应力
D. 许用应力
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将危险应力除以一个大于1的系数,所得的应力称为___。
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【单选题】
圆轴扭转时,截面上的内力是___。
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构件受到剪切作用时,其剪切面上的内力和应力分别是___。
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某一正弦交流电,在0.01S时间内变化2周,它的频率是___。
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"若将i1=10sin(314t+90o)A,i2=10sin(314t-90o)A,i3=10sin314tA三个电流分别通过同一个电阻,通电时间相等,其发热量最大的是___。"
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电容元件中通入正弦交流电,无功功率的表达式是___。
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一有源二端网络,测得其开路电压为100V,短路电流为10A,当外加10Ω电阻时,则电阻上的电流为___。
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D. 50A
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远距离输电,若输送的电功率一定,则输电线上的电功率损失与输电的___成反比。
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有两个电容器,且C1>C2,如果它们的端电压相等,则___。
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【单选题】
有两个电容器,C1=30μF,耐压12V,C2=50μF,耐压12V,若将它们串联后接到24V电压上,则___。
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C. C1被击穿,C2正常
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【单选题】
磁体中磁性最强的部位是___。
A. 中间
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【单选题】
基础螺栓孔偏差不得大于___。
A. ±1mm
B. ±2mm
C. ±3mm
D. ±4mm
【单选题】
通电导体周围磁场的强弱与___有关。
A. 导体长度
B. 导体位置
C. 电流的大小
D. 导体的截面
【单选题】
线圈中磁通变化而产生的感应电动势的大小与___成正比。
A. 磁通的变化量
B. 磁场强度
C. 磁通变化率
D. 变化所用时间
【单选题】
已知两个正弦量为u1=20sin(314t+π/6)V,u2=40sin(314t-π/3)V,则___。
A. u1比u2超前60o
B. u1比u2滞后30o
C. u1比u2超前90o
D. 不能判断相位差
【单选题】
在纯电阻正弦交流电路中,下列表达式中正确的是___式。
A. i=U/R
B. I=U/R
C. I=u/R
D. i=Um/R
【单选题】
"已知一个电阻上的电压为U=10×√2sin(314t-π/2)V,测得电阻上所消耗的功率为20W,则这个电阻的阻值为___。"
A. 5Ω
B. 10Ω
C. 20Ω
D. 40Ω
【单选题】
在RL串联的单相交流电路中,有功功率的计算公式为___。
A. P=UIcosψ
B. P=UIsinψ
C. P=UI
D. P=I2Z
【单选题】
基尔霍夫第一定律又叫节点电流定律,说的是___。
A. 流入某节点电流的和为零
B. 流出某节点电流的和为零
C. 流入节点的电流之和等于流出节点的电流之和
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