相关试题
【单选题】
电气设备着火后，应采如何扑救？___
A. 用二氧化碳灭火器灭火
B. 用泡沫灭火器灭火
C. 用水灭火
【单选题】
使用灭火器扑灭火灾时要对准火焰哪一部分喷射？___
【单选题】
以下哪项作业不属于特种作业范围？___
A. 企业内机动车辆驾驶
B. 电工作业
C. 木工作业
【单选题】
信号标志设备应随施工地点的变动而转移，施工完毕后应___
【单选题】
在城镇路口路面上测量，应注意到人和车辆，并设___或其他安全标志，必要时请交通民警协助。
【单选题】
在施工现场用车辆搬运器材时，必须指定专人负责安全，在公路上行车必须遵守___
A. 施工人员指挥
B. 交通法规
C. 行人优先
【单选题】
在深沟___以上的沟坑内作业时，必须头戴安全帽、
【单选题】
测量仪器的放设地点，以不妨碍___为原则
【单选题】
进行测试时，仪器由使用人员负责保护，如因故需要离开仪器时，___
A. 可以离开
B. 制定专人看守
C. 随便找人看守
【单选题】
机房楼板预留孔洞必须配置（）___
A. 阻燃材料
B. 安全盖板
C. 阻燃材料的安全盖板
【单选题】
当梯子靠在吊线上时，梯子的顶端至少要高出吊线___厘米，且不能大于梯长的三分之一。（有挂钩除外）
【单选题】
梯子上不准有___人同时作业，上下梯子时不得携带笨重的工具和材料，应用绳索上下提吊。
【单选题】
保安带（绳）上绳索磨损和断头超过___者及有腐坏的严禁使用。
【单选题】
吊板挂钩截面腐损___时，应及时更换，坐吊板时，安全代扣连索须扣紧扎牢。
【单选题】
在楼房内装机引线时，___引线，以防与电力线相触造成人身事故。
A. 勿站在凉台、窗台上向下扬
B. 可站在凉台、窗台上下扬。
【单选题】
在上面有电力线交越的电杆上作业时，施工人员的___
A. 头部不得超过杆顶
B. 头部不得超过杆顶30CM
C. 头部不得超过杆顶40CM
【单选题】
挖沟坑时相邻二人之间至少保持___距离，并互相照应以防误伤。
【单选题】
从沟中或土坑向上掀土时，应注意上边是否有人，沟坑在___以上，须有专人在上面清土。
【单选题】
人孔口圈砌好后，施工现场没有标志时，应该___
【单选题】
-48V直流供电的设备允许电压变动范围是___
A. -40至-69
B. -50至-70
C. -67至-80
D. -40至-57
【单选题】
工作按地、保护接地和防雷接地方式___
A. 宜采用分开引接方式
B. 无需分区，可以合并
C. 可分可不分
D. 以上都不对
【单选题】
机房内装修材料、地槽盖板的制造材料选择___
A. 任意材料
B. 非延燃材料
C. 绝缘材料
D. 防辐射环保材料
【单选题】
蓄电池室的温度要求在___
A. 10℃~30℃
B. 5℃~30℃
C. 5℃~40℃
D. 30℃~70℃
【单选题】
电力室的最佳温度范围是？___
A. 10℃~30℃
B. 5℃~30℃
C. 5℃~40℃
D. 30℃~70℃
【单选题】
蓄电池室的最佳相对湿度范围___
A. 30%~70%
B. 30%~75%
C. ≤85%
D. 20%~60%
【单选题】
电力室的最佳相对湿度范围是?___
A. 30%~70%
B. 30%~75%
C. ≤85%
D. 20%~60%
【单选题】
数据机房允许的接地电阻范围是___
A. 10欧姆
B. ≤5欧姆
C. 20欧姆
D. 30欧姆
【单选题】
数据机房的最佳温度范围是___
A. 10℃~30℃
B. 15℃~30℃
C. 5℃~40℃
D. 30℃~70℃
【单选题】
数据机房的最佳相对湿度范围是___
A. 30%~70%
B. 20%~75%
C. ≤85%
D. 20%~80%
【单选题】
程控机房的验收描述那些错误？___
A. 必须有空调
B. 直流电源，交流电源插座必配
C. 通风管道干净 C、温度湿度适宜
【单选题】
新建的交换机房不得安装昂顶和活动地板___
【单选题】
程控机房消防要求错误的有___
A. 必须配有效的灭火消防器材
B. 必配自动灭火装置系统
C. 必配火灾自动报警系统
D. 必配火灾自动灭火系统
【单选题】
下列那些灭火方法是正确的？___
A. 扑灭油类火灾时，使用化学泡沫灭火器后又用BC干粉灭火器
B. 扑灭E类火灾，实用BC干粉灭火器后又使用ABC干粉灭火器
C. 扑灭可燃气体火灾时，实用二氧化碳灭火器后又使用BC干粉灭火器
【单选题】
下列哪些灭火方法是正确的___
A. 6千伏变压器着火用二氧化碳灭火器带电灭火
B. 380伏电动机着火用二氧化碳灭火器带电灭火
C. 电视机着火用泡沫灭火器带电灭火
【单选题】
人体触电时，哪一种电流通路是最危险的？___
A. 胸部至左手
B. 左脚至右脚
C. 右手至左手
【单选题】
以下哪种电源不能作为安全电压的电源___
A. 安全隔离变压器
B. 蓄电池
C. 自藕变压器
【单选题】
以下哪种电器线路故障不会引发火灾？___
A. 绝缘损坏造成短路
B. 接触不良
C. 断电
【单选题】
非阻燃绝缘导线严重过载会导致什么危险？___
A. 线路电压损失增大
B. 电压不稳定
C. 火灾
【单选题】
单相双刀闸刀开关安装时，电源的相线怎样接？___
A. 面向闸刀开关，相线接在左侧刀
B. 面向闸刀开关，相线接在右侧刀
C. 接在任意一刀上
推荐试题
【多选题】
When attempting to power on a Virtual Machine you observe the following error: <Cannot open the disk '/vmfs/volumes/volume/vm/vm-000002.vmdk' or one of the snapshot disks it depends on.> Which three actions will be the best solutions to address this problem? (Choose three.)___
A. Verify that the virtual machine's disk files are present.
B. Investigate the host and virtual machine log files.
C. Verify the vmdk descriptor files and if required, recreate them.
D. Delete the disk file preventing the power on operation.
E. Migrate or register the virtual machine to a different host.
【多选题】
An administrator has been tasked with enabling High Availability ___ on a cluster in a vSphere 6.x environment with default settings. The cluster configures properly and there are no errors. The next day when powering on a virtual machine, an error is presented: <Not Enough Failover Resources>. Which three scenarios are likely causes of this error message? (Choose three.)(CDE)
A. The default VM Monitoring Sensitivity is set too high.
B. There are not enough datastore heartbeat datastores configured by default.
C. The default slot size in the cluster is set too high.
D. There are virtual machines with large CPU reservations.
E. A host is in maintenance mode for a replacement of a failed Hard Drive.
【多选题】
vMotion can be performed between which three physical boundaries? (Choose three.)___
A. Between two vCenter Server Systems
B. Between two vSphere Distributed Virtual Switches
C. Between two vCenter Server Datacenter objects
D. Between two VMware NSX Layer 4 segments
E. Between two NFS datastores
【多选题】
An administrator configures vSphere Replication for a virtual machine and enables multiple point in time (PIT) instances under the recovery settings in the Configure Replication wizard. Which two statements are correct for vSphere Replication with multiple point in time instances enabled? (Choose two.)___
A. vSphere Replication retains a number of snapshot instances of the virtual machine on the target site based on the retention policy that you specify.
B. vSphere Replication uses the virtual machine's snapshot instances to define the target site Point in Time instance based on the retention policy that you specify.
C. vSphere Replication does not support virtual machines with snapshots.
D. vSphere Replication supports virtual machines with snapshots.
【多选题】
An administrator is virtualizing a physical application server and adding it to an existing multi-tiered vApp. The application license is currently tied to the physical NIC's MAC address, so the administrator needs to ensure the license will function properly in the virtual machine. Which two actions can the administrator take to satisfy this task? (Choose two.)___
A. Set the MAC address for the vNIC in the guest operating system.
B. Install the physical server's NIC into the ESXi host.
C. Configure the MAC address for the vNIC using the vSphere Web Client.
D. Assign the physical server NIC's MAC address in the vSphere Distributed Switch.
【多选题】
Which two Fibre Channel zoning options are supported with vSphere 6.x? (Choose two.)___
A. Single-Initiator
B. Single-Initiator-Single-Target
C. Multiple-Initiators-Single-Target
D. Multiple-Initiators-Multiple-Targets
【多选题】
An administrator is attempting to remove an ESXi 6.x host from a vSphere Distributed Switch (vDS). When the administrator attempts to remove the host, the following error is observed: <The resource '16' is still in use.> What three steps are needed to successfully remove the host from the switch? (Choose three.)___
A. Select Manage Ports on the vDS for the host.
B. Locate all ports currently in use on the vDS for the host.
C. Migrate or delete any vmkernel or virtual machine adapters associated with the switch.
D. Remove all network cards from the switch before trying to remove the host.
E. Create a standard switch for everything to be automatically be migrated to.
【多选题】
Which two Virtual SAN related actions might start resynchronization of virtual machine objects? (Choose two.)___
A. Editing a virtual machine storage policy to increase the number of replicas.
B. Editing a virtual machine storage policy to reduce the number of replicas.
C. Editing a virtual machine storage policy to increase the number of disk stripes.
D. Editing a virtual machine storage policy to reduce the number of disk stripes.
【多选题】
An administrator is troubleshooting basic network connectivity issues. Which two scenarios are potential issues that this administrator might face? (Choose two.)___
A. The vSwitch is not attached to the correct physical network.
B. The portgroup is not configured to use correct VLAN.
C. Traffic shaping is configured incorrectly.
D. Jumbo frames is configured incorrectly.
【多选题】
Which three items should be validated prior to installing ESXi 6.x? (Choose three.)___
A. Remote Storage has been disconnected.
B. Installation media is available.
C. Server hardware clock is set to UTC.
D. Storage has been partitioned with a VMFS volume.
E. Network cards have been setup to use Jumbo
F. rames.
【多选题】
An administrator is performing an interactive installation of ESXi 6.x. Which three options are available for installation? (Choose three.)___
A. DVD
B. USB
C. PXE
D. Scripted
E. Auto Deploy
【多选题】
After installation of a host in your test environment, you need to move it to production. The only major change that needs to be made is that the hostname of the server needs to change. What are two ways that an administrator can change the host name without editing configuration files on the host directly? (Choose two.)___
A. Login to the Direct Console User Interface and change it from here.
B. Edit the Default TCP/IP Configuration from the vSphere Web Client.
C. Use the Ruby vSphere Client to send a script to the ESXi host that updates the hostname.
D. Update the information in DNS and the
E. SXi host will automatically update with these changes.
【多选题】
An administrator has unsuccessfully attempted several times to install an Operating System inside a virtual machine. The administrator finds that the installation fails at random intervals. Which two actions can be taken to resolve this issue? (Choose two.)___
A. Verify the md5sum and if invalid, download the installation files again.
B. Attempt the installation an additional time.
C. Attempt to use a different installation media or installation method.
D. Create a new virtual machine and attempt the installation with the existing media.
【多选题】
VMware tools is failing to install on a Microsoft Windows virtual machine. What are two possible situations that would prevent the installation? (Choose two.)___
A. The VMware tools installation media is corrupt.
B. The incorrect Operating System was selected in the virtual machine options.
C. The software prerequisites have not been installed.
D. The prerequisite services have not been started.
【多选题】
As part of a multisite Single Sign-On (SSO) deployment what two steps are required to ensure that a change to one Single Sign-On instance is propagated to the other instances? (Choose two.)___
A. Schedule a Replication Task on the primary instance
B. Select the first instance during the installation of subsequent instances
C. During the installation of each instance choose Linked-Mode
D. Enable Synchronize to Active Directory on each instance
【多选题】
You need to add an object to an existing vApp using the vSphere Web Client. How is this accomplished?___
A. Create an Object Inside the vApp.
B. Add an Object to a vApp.
C. Add an Object to the
D. atastore the vApp is located in.
【多选题】
Which three steps must be taken to use vSphere Update Manager 6.x to upgrade an ESXi 5.5 host to vSphere 6.x? (Choose three.)___
A. Download an ESXi Image.
B. Configure the vSphere Update Manager Download Service.
C. Create a baseline and attach it to the ESXi Host.
D. Scan the vCenter Content Library for the
E. SXi Image.
【多选题】
Which two options would allow a database administrator, with no access to the vSphere infrastructure, to connect to a virtual machine? (Choose two.)___
A. Use the Virtual Machine Remote Console (VMRC).
B. Use Remote Desktop Protocol (RDP) to connect.
C. Ask the vSphere administrator to grant permission to access the console through vCenter Server.
D. Ask the vSphere administrator to grant permission to access with the Horizon View Direct Connect Client.
【多选题】
Which three are architecture components of vRealize Operations? (Choose three.)___
A. Identity Server
B. Administrative Server
C. Analytics Server
D. Database Server
E. Connection Broker
【单选题】
金克拉金克拉撒旦蒂萨里大儿童家爱丽丝打开就撒开绿灯技术的（）
A. 手动阀手动阀
B. 撒旦
C. 反对法
D. 第三方
【单选题】
金克拉金克拉撒退热贴开绿灯技术的（）
A. 是否
B. 阿斯顿
C. 撒旦
D. 感到反感
【单选题】
而非热舞法国会开绿灯技术的（）
A. 撒的
B. 热个股分化
C. 返回
D. 而我认为
【单选题】
十大富豪不给发货返回返回返回（）
A. dfdfgd
B. 梵蒂冈梵蒂冈
C. 广泛大概
D. 热
【多选题】
马克思主义哲学所讲的静止是指___
A. 运动的一种特殊形式
B. 绝对不动
C. 排斥运动
D. 事物处于量变状态
E. 事物在特定参考系中未发生位置变动
【多选题】
物质和运动的关系是___
A. 运动是物质的固有属性
B. 物质是运动的承担者
C. 运动是物质的存在方式
D. 运动不一定是物质的运动
E. 物质不一定都在运动
【多选题】
社会的物质性体现在___
A. 劳动是社会产生和存在的决定性因素
B. 在社会中不存在精神的现象和活动
C. 物质资料的产生是社会历史的前提
D. 全部社会生活在本质上是实践的
E. 社会生活中不存在物质关系以外的其他关系
【多选题】
意识的能动作用表现在___
A. 反映客观世界
B. 创造物质世界
C. 通过实践改造客观世界
D. 创造理论体系
E. 为自然界创造秩序
【多选题】
金克拉金克拉撒旦蒂萨里大儿童家爱丽丝打开就撒开绿灯技术的（）
A. 手动阀手动阀
B. 撒旦
C. 反对法
D. 第三方
【多选题】
金克拉金克拉撒退热贴开绿灯技术的（）
A. 是否
B. 阿斯顿
C. 撒旦
D. 感到反感
【多选题】
而非热舞法国会开绿灯技术的（）
A. 撒的
B. 热个股分化
C. 返回
D. 而我认为
【多选题】
十大富豪不给发货返回返回返回（）
A. dfdfgd
B. 梵蒂冈梵蒂冈
C. 广泛大概
D. 热
【判断题】
金克拉金克拉撒旦蒂萨里大儿童家爱丽丝打开就撒开绿灯技术的（）
【填空题】
金克拉金克拉撒旦蒂萨里大儿童家爱丽丝打开就撒开绿灯技术的（）
