相关试题
【单选题】
器材堆放整齐稳固。长、大件器材的堆放有___的措施。
A. 防滚动
B. 防倾倒
C. 防移动
D. 防火
【单选题】
施工用电设施应按批准的方案进行施工，竣工后应经___方可投入使用。
A. 验收合格
B. 检查
C. 批准
D. 查验
【单选题】
施工用电工程应___，对安全隐患应及时处理，并履行复查验收手续。
A. 临时检查
B. 定期检查
C. 不定期检查
D. 抽检
【单选题】
施工用电工程的380V/220V低压系统，应采用___级配电、二级剩余电流动作保护系统（漏电保护系统），末端应装剩余电流动作保护装置（漏电保护器）。
【单选题】
110kV/400kVA 及以下的变压器宜采用支柱上安装，支柱上变压器的底部距地面的高度不得小于___m。
【单选题】
在土壤电阻率大于1000Ω·m的地区，工作接地电阻不得大于___Ω。
【单选题】
施工用电发电机组禁止设在以下___场所。
A. 基坑里
B. 场地内
C. 设备间内
D. 施工区
【单选题】
不属于三级配电的有___。
A. 施工箱式变压器
B. 总配电箱
C. 分配电箱
D. 末级配电箱
【单选题】
直埋电缆在转弯处和大于等于___m的直线段处，在地面上设置明显的标志。
【单选题】
关于低压电力电缆错误的有___。
A. 应包含全部工作芯线和用作工作零线、保护零线的芯线
B. 需要三相四线制配电的电缆线路应采用五芯电缆
C. 五芯电缆应包含淡蓝、绿/黄两种颜色绝缘芯线
D. 淡蓝色芯线用作保护零线（PE线）
【单选题】
用电设备的电源引线长度不得大于 5m，长度大于 5m时，应设___。
A. 分配箱
B. 移动开关箱
C. 便携式卷线绳
D. 动力箱
【单选题】
移动开关箱至固定式配电箱之间的引线长度不得大于___m，且只能用绝缘护套软电缆。
【单选题】
不同电压等级的插座与插销应选用相应的结构，禁止用单相三孔插座代替三相插座。单相插座应标明___。
A. 电压等级
B. 电流
C. 电阻
D. 功率
【单选题】
在散发大量蒸汽、气体或粉尘的场所，应采用___型电气设备。
A. 抗腐蚀
B. 防爆
C. 密封
D. 抗氧化
【单选题】
在有爆炸危险的场所及危险品仓库内，应采用防爆型电气设备，开关应装在___。
A. 室内
B. 室外
C. 开关箱内
D. 配电箱内
【单选题】
行灯照明变压器应使用___，禁止使用自耦变压器。
A. 双绕组型安全隔离变压器
B. 三绕组变压器
C. 非晶合金变压器
D. 芯式变压器
【单选题】
低压配电系统采用TNS系统做保护接零时，说法错误的有___。
A. 保护零线应通过剩余电流动作保护装置（漏电保护器）
B. 保护零线（PE线）应由电源进线零线重复接地处或剩余电流动作保护装置（漏电保护器）电源侧零线处引出
C. 工作零线（N线）应通过剩余电流动作保护装置（漏电保护器）
D. 保护零线（PE线）上禁止装设开关或熔断器，并且采取防止断线的措施
【单选题】
当施工现场利用原有供电系统的电气设备时，应根据原系统要求做___或保护接地。
A. 可靠接地
B. 保护装置
C. 保护接零
D. 零序保护
【单选题】
移动式或手提式电动机具与保护零线（PE线）的连接线截面积一般不得小于相线截面积的1/3且不得小于___mm2。
【单选题】
电源线、保护接零线、保护接地线不可采用___方法连接。
A. 绑接
B. 焊接
C. 压接
D. 螺栓连接
【单选题】
使用于潮湿或有腐蚀介质场所的剩余电流动作保护装置（漏电保护器）应采用防溅型产品，其额定动作电流不应大于___mA，额定动作时间不应大于0.1s。
【单选题】
总配电箱中剩余电流动作保护装置（漏电保护器）的额定漏电动作电流应大于30mA，额定漏电动作时间应大于___s，但其额定漏电动作电流与额定漏电动作时间的乘积不应大于30mA·s。
A. 0.1
B. 0.2
C. 0.3
D. 0.4
【单选题】
关于配电箱停电操作顺序正确的是___。
A. 末级配电箱→分配电箱→总配电箱
B. 总配电箱→末级配电箱
C. 末级配电箱→总配电箱
D. 总配电箱→分配电箱→末级配电箱
【单选题】
配电箱送电应按照下列顺序进行操作正确的是___。
A. 分配电箱→末级配电箱→总配电箱
B. 分配电箱→总配电箱→末级配电箱
C. 末级配电箱→分配电箱→总配电箱
D. 总配电箱→分配电箱→末级配电箱
【单选题】
关于消防有关说法错误的有___。
A. 运输易燃、易爆等危险物品，应按当地安监部门的有关规定申请，经批准后方可进行
B. 采用易燃材料包装或设备本身应防火的设备箱，禁止用火焊切割的方法开箱
C. 电气设备附近应配备适用于扑灭电气火灾的消防器材。发生电气火灾时应首先切断电源
D. 熬制沥青或调制冷底子油应在建筑物的下风方向进行，距易燃物不得小于10m，不应在室内进行
【单选题】
施工现场、仓库及重要机械设备、配电箱旁，生活和办公区等应配置相应的消防器材。需要动火的施工作业前，应增设相应类型及数量的___。
A. 消防器材
B. 铁锹
C. 水桶
D. 沙袋
【单选题】
在防火重点部位或易燃、易爆区周围动用明火或进行可能产生火花的作业时，应办理___。
A. 第一种工作票
B. 第二种工作票
C. 抢修单
D. 动火工作票
【单选题】
采用易燃材料包装或设备本身应防火的___，禁止用火焊切割的方法开箱。
A. 装备箱
B. 设备箱
C. 器材
D. 工具
【单选题】
电气设备附近应配备适用于扑灭电气火灾的消防器材。发生电气火灾时应首先___。
A. 用灭火器扑火
B. 切断电源
C. 离开现场
D. 拨打火警电话
【单选题】
氧气、乙炔气、汽油等危险品仓库，应采取避雷及防静电接地措施，屋面应采用___，门、窗不得向内开启，保持通风良好。
A. 装配式
B. 钢结构
C. 轻型结构
D. 框架结构
【单选题】
各类建筑物与易燃材料堆场之间的最小防火间距错误的是___。
A. 正在施工中的永久性建筑物与办公室及生活性临时建筑为20m
B. 办公室及生活性临时建筑与易燃材料（氧气、乙炔气、汽油等）仓库为20m
C. 正在施工中的永久性建筑物与易燃物（稻草、芦席等）堆场为30m
D. 材料仓库及露天堆场与易燃物（稻草、芦席等）堆场为40m
【单选题】
两幢易燃材料（氧气、乙炔气、汽油等）仓库之间的防火间距为___m。
【单选题】
110kV及以下电力线下方建造临时建筑物时，应经线路___同意。
A. 运维单位
B. 建设单位
C. 设计单位
D. 监理单位
【单选题】
临时库房与110（66）kV电力线导线之间的垂直距离，在导线最大计算弧垂情况下不小于___m。
【单选题】
作业区各作业位置至相应坠落高度基准面的垂直距离中的最大值称为___。
A. 垂直高度
B. 作业高度
C. 平均高度
D. 基准高度
【单选题】
物体在大于30m的高度可能坠落范围半径为___m。
【单选题】
高处作业人员应衣着灵便，衣袖、裤脚应扎紧，穿软底防滑鞋，并正确佩戴个人___。
A. 安全帽
B. 安全带
C. 保安绳
D. 防护用具
【单选题】
高处作业人员应正确使用安全带，安全带及后备防护设施应___。
A. 高挂低用
B. 低挂高用
C. 高挂高用
D. 低挂低用
【单选题】
高处作业下方危险区内禁止人员停留或穿行，高处作业的危险区应设围栏及“___”的标志牌。
A. 禁止攀爬
B. 靠近危险
C. 禁止靠近
D. 禁止通行
【单选题】
高处作业的平台、走道、斜道等应装设不低于___m高的护栏（0.5m～0.6m处设腰杆），并设180mm高的挡脚板。
A. 1
B. 1.1
C. 1.2
D. 1.4
推荐试题
【单选题】
After selecting an object in vRealize Operations, how can a user compare the badge values of related child objects? ___
A. Use the Scoreboard tab
B. Use the Relationship tab
C. Use the Members tab
D. Use the Overview tab
【单选题】
You want to deploy a vApp and dynamically assign IP addresses without a DHCP server on the network. Which action would you take to accomplish this task? ___
A. Enable IP pools.
B. Configure a local DHCP server in the vApp.
C. Enable NAT on the vApp router.
D. Configure the guest OS for workgroup and WINS.
【单选题】
What is the optimal configuration when building a virtual machine for a single-threaded Windows application? ___
A. Deploy single-threaded applications on uniprocessor virtual machines.
B. Deploy single-threaded applications on symmetric multi-processor virtual machines.
C. Tune single-threaded applications to take advantage of symmetric multi-processor resources.
D. Tune Single-threaded applications at the hypervisor level.
【单选题】
An administrator has created the resource pool configuration shown in the Exhibit. Based on the exhibit, which virtual machine(s) can be successfully powered on? ___
A. VM-M1 only
B. VM-K1 only
C. VM-K1 and VM-K2 only
D. VM-K1, VM-K2, and VM-M1
【单选题】
Which vSphere 6 Enterprise Edition feature will allow an organization to ensure that critical multi-threaded applications have the maximum possible uptime? ___
A. Fault Tolerance
B. High Availability
C. Distributed Resource Scheduler
D. App HA
【单选题】
An administrator has a virtual machine that requires four times the compute resources than other virtual machines on the same ESXi 6.x host. How should the administrator configure the virtual machine settings, in order to be prepared for any resource contention? ___
A. Set the shares of the priority virtual machine to High and the rest to Low.
B. Set the shares of the priority virtual machine to High.
C. Set the shares of the priority virtual machine to High and the rest to Normal.
D. Set the shares of the priority virtual machine to Normal and the rest to Low.
【单选题】
Which type of Adapter does not require vmkernel networking? ___
A. Independent Hardware iSCSI Adapter
B. Dependent Hardware iSCSI Adapter
C. Software iSCSI Adapter
D. Software FCoE Adapter
【单选题】
During the installation of ESXi 6.0, the following error message is reported: Hardware Virtualization is not a feature of the CPU, or is not enabled in the BIOS. Which condition would generate this message? ___
A. LAHF/SAHF is not enabled in the BIOS.
B. NX/XD is not enabled in the BIOS.
C. SSE3 is not enabled in the BIOS.
D. Hyperthreading is not enabled in the BIOS.
【单选题】
An administrator is unable to login to vCenter Server when using the vSphere web client. The administrator successfully accessed vCenter Server using the client earlier the same day. What is the most appropriate first step the administrator should take to resolve this issue? ___
A. Verify the web browser being used has Adobe Flash plugin version 11.5 or later
B. Verify the vCenter Single Sign-On service is running on the vCenter Server
C. Verify the vSphere Web Server service is running on the vCenter Server
D. Verify the administrator has permissions configured in vCenter Server
【单选题】
An administrator has configured an alarm to be notified when a virtual machine meets two conditions: <high virtual CPU> <high active memory consumption> The alarm is malfunctioning and triggering when either condition is met instead of both. What can be done to correct the issue? ___
A. Edit the alarm and select Trigger if ALL of the following conditions are satisfied.
B. Edit the alarm and select Trigger if ANY of the following conditions are satisfied.
C. Create two separate alarms, one for CPU and one for memory.
D. Delete the existing alarm and create a new event based alarm.
【单选题】
What must be enabled to ensure that VM Component Protection (VMCP) works in a High Availability cluster? ___
A. VMware Tools Virtual Machine Communication Interface (VMCI)
B. Fault Tolerance
C. Atomic Test and Set (ATS)
D. All Paths Down (APD) Timeout
【单选题】
An administrator wants to add a web server to an existing multi-tier application consisting of three virtual machines: <A web server> <A database server An application server> The web server should be added to the application when the primary web server reaches: <70% vCPU utilization> <55% active memory> Which option will achieve this result? ___
A. Create a virtual machine alarm with an action to run a script that starts a new instance of the web server.
B. Create a host cpu and memory alarm with an action to run a script that starts a new instance of the webserver.
C. Configure HA application monitoring for the web server and set it to trigger deployment of a new instance of the web server.
D. Configure Fault Tolerance on the virtual machine and leave the secondary machine disabled until needed.
【单选题】
An administrator has an application that requires connection directly to PCI devices through a virtual machine. What is a limitation of this configuration? ___
A. Devices must be reserved for PCI passthrough on at least one host on which the virtual machine will run.
B. Snapshots are not supported with DirectPath I/O passthrough devices.
C. A maximum of 18 PCI vSphere
D. irectPath devices can be added to a virtual machine.
【单选题】
The vSphere administrator is configuring directory services for an ESXi host: What should the vSphere administrator do to configure the host to use CAM services? ___
A. Check the Use vSphere Authentication Proxy checkbox.
B. Set Select Directory Service Type to CAM services.
C. Specify CAM$ for the
D. omain.
【单选题】
Which statement is true regarding the licensing of vCenter Server? ___
A. The license for vCenter Server must be provided at the time of installation.
B. Changing the license assigned to vCenter Server requires a restart of the vCenter Server service.
C. Virtual machines can still be powered on if the vCenter Server license expires.
D. Licensing for a single vCenter Server installation is determined by the number of managed virtual machines.
【单选题】
When configuring vSphere Replication for a virtual machine, what is the lowest Recovery Point Objective (RPO) that can be selected? ___
A. 1 min
B. 5 min
C. 10 min
D. 15min
【单选题】
A developer needs to create a multi-tier development stack for a home lab. Which vSphere product will support the architecture required for the least software cost? ___
A. vSphere Hypervisor
B. vSphere Essentials
C. VMware Player
D. VMware Workstation
【单选题】
An administrator is installing Windows into a virtual machine. The DVD has been mounted on the Host and configured for the virtual machine as shown in the Exhibit. Based on the exhibit, when the virtual machine is booted, why would it attempt to search for a PXE server? ___
A. The CD/DVD device is not connected.
B. The ISO is in the incorrect storage location.
C. The OS minimum requirements have not been met.
D. The CD/DVD device is not set to Client Device.
【单选题】
What component must be installed prior to deploying a vCenter Server in vSphere 6.x? ___
A. vCenter Identity Services
B. Platform Services Controller
C. vCenter Single Sign-On
D. Client Integration Plug-In
【单选题】
What is a valid plug-in status for a plug-in that has been added to a vSphere client? ___
A. Disabled
B. Unknown
C. Stopped
D. Installed
【单选题】
Users of an application are reporting performance issues. The following performance values are observed in the vSphere Web Client: <Host CPU utilization is 90%> <Virtual Machine memory utilization is consistently greater than 90% CPU Ready values are higher than 20%> What could be the cause of the application performance issue? ___
A. The host is lacking the CPU resources required to meet the demand.
B. The host is lacking the memory resources required to meet the demand.
C. The virtual machine is lacking the CPU resources required to meet the demand.
D. The virtual machine is lacking the memory resources required to meet the demand.
【单选题】
An administrator creates an ESXi cluster using vSphere Auto Deploy. The ESXi hosts are configured to get a management IP address from a DHCP server. The administrator needs to troubleshoot the management network on one of the hosts. Which DCUI option should the administrator use to renew the DHCP lease? ___
A. Restart Management Network
B. Restore Network Settings
C. Test Management Network
D. Configure Management Network
【单选题】
An administrator is re-provisioning an ESXi host and moving it to another datacenter. Which DCUI option should the administrator use to revert the system configuration to the default settings? ___
A. Reset System Configuration
B. Rebuild Default System Configuration
C. Revert System Configuration
D. Renew Default System Configuration
【单选题】
An administrator has just completed installing an ESXi 6.x host, but doesn't know what address has been configured. Where is the ESXi host IP address configured? ___
A. RVC console
B. Direct Console User Interface
C. vSphere Web Client
D. vSphere Client
【单选题】
When is it possible to place a VMFS5 datastore in maintenance mode? ___
A. When it is a member of a Storage DRS cluster
B. When it is a member of Virtual SAN cluster
C. When it is a member of a multi-extent datastore
D. When it is a member of a Virtual Volume
【单选题】
Immediately after installing ESXi, an administrator observes that the Configure Lockdown Mode option is grayed out in the Direct Console User Interface (DCUI). What is the most likely explanation? ___
A. The host has not yet been added to a vCenter Server.
B. The BIOS on the host does not have NX/XD enabled.
C. The ESXi host is running in evaluation mode.
D. The host requires a reboot before this feature is available.
【单选题】
Immediately after installing ESXi, an administrator observes that the Configure Lockdown Mode option is grayed out in the Direct Console User Interface (DCUI). What is the most likely explanation? ___
A. The host has not yet been added to a vCenter Server.
B. The BIOS on the host does not have NX/XD enabled.
C. The ESXi host is running in evaluation mode.
D. The host requires a reboot before this feature is available.
【单选题】
Which Single Sign-On deployment mode should an administrator use for two 6.x vCenter Servers configured with linked mode? ___
A. Basic Single Sign-On with vCenter Server Heartbeat
B. Multisite Single Sign-On
C. Basic Single Sign-On
D. Single Sign-On with Linked Mode
【单选题】
What is required when changing a virtual machine name using the vSphere Web Client? ___
A. Verify connectivity to the ESXi host where the virtual machine is running and its inventory list is accessible.
B. Verify in which datastore the virtual machine resides and that you have access and its inventory list is accessible.
C. Verify that virtual machine files are stored in the same datastore and can be accessed in the datastore browser list.
D. Verify the virtual machine is not running in Fault Tolerant mode and that it is not in a Distributed Resource Scheduler cluster.
【单选题】
An administrator deploys vRealize Operations into a vSphere 6.x environment. After the deployment, the administrator notices that badges are not appearing. What is a likely cause of this behavior? ___
A. Badges do not appear until you register vRealize Operations with vCenter Server.
B. Badges do not appear until you register a vCenter Server in vRealize Operations.
C. The vRealize Operations appliance needs to be redeployed.
D. The vCenter Server appliance needs to be redeployed.
【单选题】
How are ports scaled on vSphere Standard Switches (vSS)? ___
A. Ports on a vSS can be dynamically scaled up and down.
B. Ports on a vSS can only be statically scaled up or down.
C. Ports on a vSS can only be dynamically scaled down.
D. Ports on a vSS can only be dynamically scaled up.
【单选题】
A High Availability (HA) cluster is configured to respond to a given number of host failures. The cluster contains virtual machines configured with these settings: VM1 has a 1GHz CPU reservation and no Memory reservation VM2 has a 2GHz CPU reservation and no Memory reservation VM3 has no CPU reservation and no Memory reservation . Given this information, what is the correct slot size for the cluster? ___
A. The CPU Reservation should be set to 32MHz and the memory reservation should be set to 32MB plus memory overhead.
B. The CPU reservation should be set to 1 GHz and the memory reservation should be set to 0MB plus memory overhead.
C. The CPU reservation should be set to 2 GHz, and the memory reservation should be set to 0MB plus the virtual machine memory overhead.
D. The CPU reservation should be set to 2 GHz, and the memory reservation should be set to 32MB, plus the virtual machine memory overhead.
【单选题】
An administrator is planning a vSphere infrastructure with the following specific networking requirements: <The ability to shape inbound (RX) traffic> <Support for Private VLANs (PVLANs)> <Support for LLDP (Link Layer Discovery Protocol)>. What is the minimum vSphere Edition that will support these requirements? ___
A. vSphere Essentials Plus
B. vSphere Standard
C. vSphere Enterprise
D. vSphere
E. nterprise Plus
【单选题】
When you add an ESXi 6.x host to a new Cluster, which vSphere object owns the CPU and Memory resources of the hosts? ___
A. vCenter Server
B. Datacenter
C. Cluster
D. Host
【单选题】
A user is trying to retrieve objects from a SharePoint server and finds the request is taking an excessive amount of time. An administrator tries to isolate the issue and notes the following: Application performance is poor when compared to virtual machines on other hosts. Performance improves when the virtual machine is moved to another host. The virtual machine encounters higher than expected CPU %Ready times. What conclusion can be reached regarding the performance issues for this virtual machine? ___
A. Host Power Management is directly impacting virtual machine performance.
B. The virtual machine has a large number of snapshots.
C. The Path Selection Policy for the storage device is set differently on the affected host.
D. Network I/O control is configured for the portgroup.
【单选题】
A virtual machine template is accidently removed from the vCenter Server Inventory. Which method would be used to recover the template back into the environment?___
A. Use the datastore browser to locate the template, then right click and add the .vmtx file to inventory.
B. Use the datastore browser to locate the template, then right click and add the .vmx file to inventory.
C. Using the Managed Object Browser and adding the template from the ManagedObjectReference:GuestFileManager object.
D. Using the Managed Object Browser and adding the template from the ManagedObjectReference:VirtualDiskManager object.
【单选题】
A vSphere administrator needs to backup a virtual machine that has a Microsoft SQL Server Database installed. Which solution allows for an application quiesce to occur during backup?___
A. VMware vCenter Converter
B. VMware vCenter Site Recovery Manager
C. VMware vSphere Replication
D. VMware vSphere Data Protection Advanced
【单选题】
An administrator is migrating a virtual machine from a Test cluster to a Production cluster. The two environments do not have any shared storage. What is the easiest way to accomplish this task? ___
A. Perform a Storage vMotion.
B. Perform a regular vMotion.
C. Perform a Virtual to Virtual migration.
D. Perform a backup and restore using VMware Data Protection.
【单选题】
An administrator must determine an appropriate backup solution, given these conditions: 50 of the virtual machines are in a resource pool named Finance. 50 of the virtual machines are in a resource pool named QA. Which solution allows an administrator the ability to backup 100 virtual machines? ___
A. Use Snapshot Manager on the vCenter Server to backup the virtual machines.
B. Use the VMware Consolidated Backup (vcb) tool on the ESXi Host to backup the virtual machines.
C. Use the VMware Data Recovery (VDR) Appliance on the vCenter Server to backup the virtual machines.
D. Use the VMware Data Protection (VDP) Appliance on one of the
E. SXi Hosts to backup the virtual machines.
【单选题】
What is a benefit of using Enhanced vMotion Compatibility for an environment? ___
A. EVC masks CPU features to allow compatibility between hosts that are dissimilar.
B. EVC allows for cross platform vMotion to occur.
C. EVC enables Long
D. istance vMotion.
