【判断题】
轨道制作主要是轨道调直和接头，调直后对轨道进行编号，两条轨道上从端部或伸缩缝处算起，轨道接头至少要对齐，以使运转平稳
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用经纬仪和平行光管测量机床转台分度误差时，应用专用心轴配装在转台中心孔中将经纬仪和心轴紧固联接在一起
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采用双螺母螺纹式调整滚珠丝杠轴向间隙的方法结构紧凑，调整方便，应用广泛
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【判断题】
我国对企业发生的事故，坚持“四不放过”原则进行处理
【判断题】
在机械设备中，凸轮表面误差将会引起扭转振动
【单选题】
What happens to the status of users already logged into ESXi Shell when a vSphere administrator enables lockdown mode?___
A. Users remain logged in and can run commands, except to disable lockdown mode.
B. Users remain logged in and can run commands, including disabling lockdown mode.
C. Users are immediately logged out of ESXi Shell.
D. Users are logged out after a timeout specified by the vSphere administrator.
【单选题】
What is the effective vSphere licensing level during the 60 day evaluation period?___
A. vSphere Foundation Essentials Plus
B. vSphere Standard
C. vSphere Enterprise
D. vSphere
E. nterprise Plus
【单选题】
To comply with security requirements, an administrator with a vCenter Server Appliance needs to force logoff of the vSphere web client after 10 minutes of inactivity.What should the administrator do to meet the requirement?___
A. Edit: /var/lib/vmware/vsphere-client/webclient.properties, modify session.timeout=10
B. Edit: /opt/vmware/vsphere-client/webclient.properties, modify session.timeout=600
C. Edit: /var/lib/vmware/vsphere-client/webclient.properties modify session.timeout=600
D. Edit: /opt/vmware/vsphere-client/webclient.properties, modify session.timeout=10
【单选题】
An administrator enables High Availability (HA) on a Virtual SAN cluster.Which network is used for HA Network Heatbeat configuration?___
A. The Management network.
B. The vMotion network.
C. The Virtual SAN network.
D. The Provisioning Traffic network.
【单选题】
A user wants to monitor a business-critical virtual machine to ensure that it doesn't run out of resources. What metric could be monitored in vRealize Operations to address this concern?___
A. Time Remaining badge
B. Compliance badge
C. Reclaimable Waste badge
D. Density badge
【单选题】
An administrator has recently installed a new ESXi 6.x Host, and during the configuration notices sporadic network problems. To check whether the issue occurred sometime during the configuration, the administrator would like to reset the system.How can this be accomplished in the shortest amount of time?___
A. Run the ESXi installer again and reinstall the host.
B. Select the Reset System Configuration option from the vSphere Client when connected directly to the host.
C. From the
D. irect Console User Interface, select Reset System Configuration.
【单选题】
A vApp is running out of compute resources when overall activity is high within the resource pool. At other times, everything is fine.What should be done to resolve this issue?___
A. Increase the size of the resource pool Shares.
B. Set the vApp's CPU and Memory Reservation Type to Expandable.
C. Set the vApp's CPU and Memory Limit to Unlimited.
D. Create a new resource pool with the existing hardware configuration.
【单选题】
A virtual machine has been renamed and an administrator is unable to find files with the new virtual machine name in the datastore.What is the reason for this?___
A. The names of the files on the datastore do not change.
B. The names of the files on the datastore have been corrupted.
C. The virtual machine needs to be re-added to the inventory.
D. The Distributed Resource Scheduler moved the virtual machine to another host.
【单选题】
An administrator has configured network connectivity for a new virtual machine, as shown in the Exhibit.What will occur with the network traffic of this virtual machine when communicating externally from vSwitch1?___
A. The virtual machine will communicate on both uplinks
B. The virtual machine will only communicate on vmnic1
C. The virtual machine will only communicate on vmnic2
D. The virtual machine will fail to communicate externally
【单选题】
An administrator is unable to create the first group in a new vRealize Operations environment. What is the likely cause of the problem?___
A. There are no group types defined.
B. The group is not defined in SSO.
C. There are more than 32 group types defined.
D. The description for the group is not provided.
【单选题】
A new vApp was built and tested in the corporate headquarters datacenter running vSphere 6.x. What condition would explain why the virtual machine is failing to boot in an offsite datacenter running on vSphere 5.5?___
A. The virtual machine was built with the default hardware version.
B. The VMFS 5 datastore is not compatible with virtual machines configured with vSphere 6.x.
C. a
D. RS 5.5 cluster cannot run virtual machines configured with vSphere 6.x.
【单选题】
An administrator is evaluating whether to deploy vCenter Server on a Windows server or on a vCenter Server appliance. The administrator has the following requirements: <A web browser will be utilized to manage the vSphere environment.> <16 ESXi hosts will be deployed.> <Licenses must be shared with a vCenter Server at another site.> <An external Oracle 10g database server will be used to host the vCenter Server database.> Why will the administrator need to deploy vCenter Server on a Windows server?___
A. Linked Mode is a requirement for the solution.
B. Oracle 10g is a requirement for the solution.
C. The vSphere web client is a requirement for the solution.
D. Management of more than 5 hosts is a requirement for the solution.
【单选题】
What is a benefit of using VMware Data Protection ?___
A. Provides support for guest-level backups and restores of Microsoft SQL Servers, Exchange Servers, and Share Point Servers.
B. Provides support for advanced storage services including replication, encryption, deduplication, and compression.
C. Provides direct access to VDP configuration integrated into the vSphere Client.
D. Reduces disk space consumed by virtual machine data using deduplication.
【单选题】
An administrator enables vSphere High Availability (HA) on an existing cluster with a large number of hosts and virtual machines. The administrator notices that the setup of vSphere HA on some of the hosts is failing. What step, if taken, might resolve this issue?___
A. Increase the value of the config.vpxd.das.electionWaitTimeSec setting.
B. Set the value of vpxd.das.aamMemoryLimit to 256.
C. Set the value of the das.useDefaultIsolationAddress setting to False.
D. Increase the value of the das.iostatsinterval setting.
【单选题】
An ESXi 6.x host consists of 24 logical cores. Hyperthreading is enabled on the host. What is the maximum number of vCPUs that can be assigned to a virtual machine on this host?___
【单选题】
By default, each ESXi 6.x host is provisioned with a certificate from which root certificate authority?___
A. RedHat Certificate Authority
B. VMware Certificate Authority
C. DigiCert Certificate Authority
D. Verisign Certificate Authority
【单选题】
An administrator is adding an NFS datastore as shown in the Exhibit. What is the purpose of the Servers to be added list?___
A. It contains the IP addresses of the NFS Storage Server to provide multipathing capability.
B. It contains the IP addresses of the ESXi hosts that mount the datastore.
C. It contains the IP addresses used for
D. ynamic Discovery of targets.
【单选题】
An administrator reports that the System Event log data is only available for 24 hours when reviewing the Hardware Status tab. Which condition could be responsible for the loss of data?___
A. A Reset event log was executed.
B. The statistical collection level was set to a value of 1.
C. The boot disk of the host is corrupt.
D. Syslog has been configured at the vCenter Server level.
【单选题】
During an upgrade, the ESXi 6.x installer finds an existing version of ESXi and a VMFS3 volume. No virtual machines exist on the host or VMFS3 volume. The requirement is to upgrade to VMFS5. Which option should be chosen to meet this requirement?___
A. Upgrade ESXi and preserve the VMFS datastore
B. Install ESXi and preserve the VMFS datastore
C. Install ESXi and overwrite the VMFS datastore
D. Upgrade
E. SXi and overwrite the VMFS datastore
【单选题】
A vSphere 6.x Standard Switch is configured with 4 virtual machine portgroups, as shown in the exhibit. Which portgroup would be utilized by default when creating a new virtual machine?___
A. Access Network
B. DMZ Network
C. VM Network
D. Virtual Machine Network
【单选题】
Which vSphere 6.x feature will allow an organization to utilize native snapshots?___
A. Virtual Volumes
B. Virtual SAN
C. VMFS3
D. VMFS5
【单选题】
An administrator is creating a new vSphere Distributed Switch that will be utilized with a specific vSphere Cluster. The cluster itself contains a mix of ESXi 5.x and 6.x Hosts. Which Distributed Switch version should be created to support this configuration?___
A. Distributed Switch: 6.0.0
B. Distributed Switch: 5.0.0
C. Distributed Switch: 5.1.0
D. Distributed Switch: 5.5.0
【单选题】
Which load balancing policy, previously limited to vSphere Distributed Switches, is now available on vSphere Standard Switches with vSphere 6.x?___
A. Route based on physical NIC workload
B. Route based on IP Hash
C. Route based on the originating virtual port
D. Route based on Source MAC Hash
【单选题】
A storage administrator is not seeing full utilization of all bandwidth from an ESXi host. The vSphere administrator observes the adapter details, as shown in the Exhibit. What is the probable cause of this issue?___
A. Another path needs to be used to allow full utilization of the bandwidth.
B. The array is not setup to use the correct multipathing policy.
C. There are no virtual machines on the host.
D. No traffic is being sent across it because a path failed.
【单选题】
A storage administrator is not seeing full utilization of all bandwidth from an ESXi host. The vSphere administrator observes the adapter details, as shown in the Exhibit. What is the probable cause of this issue?___
A. Another path needs to be used to allow full utilization of the bandwidth.
B. The array is not setup to use the correct multipathing policy.
C. There are no virtual machines on the host.
D. No traffic is being sent across it because a path failed.
【单选题】
An administrator has just completed performing an interactive installation of ESXi 6.x and is booting the host. How is the network initially configured?___
A. The network is configured by Automatic Private IP Addressing (APIPA).
B. The network is configured based on the settings detected in DNS.
C. The network is configured with the address as specified in the installer.
D. The network is automatically configured by DHCP.
【单选题】
You have just installed an ESXi 6.x Host. As part of your company security regulations, a security banner must be presented on the console of the host. How can this action be accomplished?___
A. Configure the Advanced Settings > Annotations screen of the ESXi host.
B. This is configured from the Direct Console User Interface configuration menu.
C. It is not possible to configure a security banner for the ESXi host.
D. From vCenter Server, this setting is configured globally in the vCenter Server configuration.
【单选题】
An administrator is only able to see the Health Badge when using the vRealize Operations user interface. What is the likely cause of this behavior?___
A. The vRealize Operations Foundation License is in use.
B. The vmware-sps service failed to start.
C. The vRealize Operations Standard License is in use.
D. The vmware-rbd-watchdog service failed to start.
【单选题】
An administrator has configured an alarm to be notified when a virtual machine meets either of these conditions: <High virtual CPU> <High active memory consumption.> <The alarm is only triggering when both of the conditions are met.> What can be done to correct the alarm behavior?___
A. Edit the alarm and select Trigger if ANY of the following conditions are satisfied.
B. Edit the alarm and select Trigger if ALL of the following conditions are satisfied.
C. Create two separate alarms, one for CPU and one for memory and link them together with ESXCLI.
D. Delete the existing alarm and create a new event based alarm.
【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
推荐试题
【多选题】
板与墙的洞口必须设置下列哪些防护设施或其他防坠落的防护设施?___
A. 警戒区
B. 牢固的盖板
C. 防护栏杆
D. 安全网
E. 警戒线
【多选题】
下列哪些是密目式安全网进行贯穿实验的要点?___
A. 将密目式安全网张好绑扎在实验架上与地面成45°的夹角
B. 将10kg重的φ48×3.5的钢管放置在其中心点上方3m处
C. 使钢管垂直自由落下
D. 将密目式安全网张好绑扎在实验架上与地面成30°的夹角
E. 将5kg重的φ48×3.5的钢管放置在其中心点上方3m处
【多选题】
建筑施工中通常所说的“三宝”是指哪些?___
A. 安全带
B. 安全锁
C. 安全鞋
D. 安全网
E. 安全帽
【多选题】
下列哪些材料可作为制作安全帽的材料?___
A. 塑料
B. 竹
C. 木
D. 藤
E. 玻璃钢
【多选题】
安全网主要由哪几部分组成?___
A. 网体
B. 边绳
C. 系绳
D. 筋绳
E. 包装绳
【多选题】
架空线路可以架设在___上。
A. 木杆
B. 钢筋混凝土杆
C. 树木
D. 脚手架
E. 高大机械
【多选题】
电缆线路可以___敷设。
A. 沿地面
B. 埋地
C. 沿围墙
D. 沿电杆或支架
E. 沿脚手架
【多选题】
室内绝缘导线配电线路可采用___敷设。
A. 嵌绝缘槽
B. 穿塑料管
C. 沿钢索
D. 直埋墙
E. 直埋地
【多选题】
对外电线路防护的基本措施可以是___。
A. 保证安全操作距离
B. 搭设安全防护设施
C. 迁移外电线路
D. 停用外电线路
E. 施工人员主观防范
【多选题】
搭设外电防护设施的主要材料是___。
A. 木材
B. 竹材
C. 钢管
D. 钢筋
E. 安全网
【多选题】
直接接触触电防护的适应性措施是___。
A. 绝缘
B. 屏护
C. 安全距离
D. 采用24V及以下安全特低电压
E. 采用漏电保护器
【多选题】
总配电箱电器设置种类的组合应是___。
A. 刀开关、断路器、漏电保护器
B. 刀开关、熔断器、漏电保护器
C. 断路器、漏电断路器
D. 刀开关、断路器
E. 具有可见分断点的断路器、漏电保护器
【多选题】
配电箱中的刀型开关在正常情况下可用于___。
A. 接通空载电路
B. 分断空载电路
C. 电源隔离
D. 接通负载电路
E. 分断负载电路
【多选题】
配电箱中的断路器在正常情况下可用于___。
A. 接通与分断空载电路
B. 接通与分断负载电路
C. 电源隔离
D. 电路的过载保护
E. 电路的短路保护
【多选题】
总配电箱中的漏电断路器在正常情况下可用于___。
A. 电源隔离
B. 接通与分断电路
C. 过载保护
D. 短路保护
E. 漏电保护
【多选题】
开关箱中的漏电断路器在正常情况下可用于___。
A. 电源隔离
B. 频繁通、断电路
C. 电路的过载保护
D. 电路的短路保护
E. 电路的漏电保护
【多选题】
照明开关箱中电器配置组合可以是___。
A. 刀开关、熔断器、漏电保护器
B. 具有可见分断点的断路器、漏电保护器
C. 刀开关、漏电断路器
D. 断路器、漏电保护器
E. 刀开关、熔断器
【多选题】
5.5kW以上电动机开关箱中电器配置组合可以是___。
A. 刀开关、断路器、漏电保护器
B. 断路器、漏电保护器
C. 刀开关、漏电断路器
D. 刀开关、断路器
E. 具有可见分断点的断路器、漏电保护器
【多选题】
配电箱、开关箱的箱体材料可采用___。
A. 冷轧铁板
B. 环氧树脂玻璃布板
C. 木板
D. 木板包铁皮
E. 电木板
【多选题】
自然接地体可利用的地下设施有___。
A. 钢筋结构体
B. 金属井管
C. 金属水管
D. 金属燃气管
E. 铠装电缆的钢铠
【多选题】
人工接地体材料可采用___。
A. 圆钢
B. 角钢
C. 螺纹钢
D. 钢管
E. 铝板
【多选题】
在TN接零保护系统中，PE线的引出位置可以是___。
A. 电力变压器中性点接地处
B. 总配电箱三相四线进线时，与N线相连接的PE端子板
C. 总配电箱三相四线进线时，总漏电保护器的N线进线端
D. 总配电箱三相四线进线时，总漏电保护器的N线出线端
E. 总配电箱三相四线进线时，与PE端子板电气连接的金属箱体
【多选题】
36V照明适用的场所条件是___。
A. 高温
B. 有导电灰尘
C. 潮湿
D. 易触及带电体
E. 灯高低于2.5m
【多选题】
行灯的电源电压可以是___。
A. 220V
B. 110V
C. 36V
D. 24V
E. 12V
【多选题】
Ⅱ类手持式电动工具适用的场所为___。
A. 潮湿场所
B. 金属构件上
C. 锅炉内
D. 地沟内
E. 管道内
【多选题】
施工现场电工的职责是承担用电工程的___。
A. 安装
B. 巡检
C. 维修
D. 拆除
E. 用电组织设计
【多选题】
选择漏电保护器额定漏电动作参数的依据有___。
A. 负荷的大小
B. 负荷的种类
C. 设置的配电装置种类
D. 设置的环境条件
E. 安全界限值
【多选题】
总配电箱中漏电保护器的额定漏电动作电流I△和额定漏电动作时间T△，可分别选择为___。
A. I△=50m A T△＝0.2s
B. I△=75m A T△＝0.2s
C. I△=100m A T△＝0.2s
D. I△=200m A T△＝0.15s
E. I△=500m A T△＝0.1s
【多选题】
配电系统中漏电保护器的设置位置应是___。
A. 总配电箱总路、分配电箱总路
B. 分配电箱总路、开关箱
C. 总配电箱总路、开关箱
D. 总配电箱分路、开关箱
E. 分配电箱分路、开关箱
【多选题】
施工现场需要编制用电组织设计的基准条件是___。
A. 用电设备5台及以上
B. 用电设备总容量100kW及以上
C. 用电设备总容量50kW及以上
D. 用电设备10台及以上
E. 用电设备5台及以上，且用电设备总容量100kW及以上
【多选题】
建筑施工可能产生的尘肺病有___几类。
A. 矽肺
B. 硅酸盐肺
C. 混合性肺
D. 焊工尘肺
E. 其他尘肺
【多选题】
任何单位和个人不得将产生职业病危害的作业转移给___。
A. 乡镇企业
B. 个体企业
C. 不具备职业病防护条件的单位
D. 不具备职业病防护条件的个人
E. 残疾人组建的生产企业
【多选题】
用人单位应采取哪些职业病防治管理措施___。
A. 设置或者指定职业卫生管理机构或者组织，配备专职或者兼职的职业卫生专业人员，负责本单位的职业病防治工作
B. 制定职业病防治计划和实施方案
C. 建立、健全职业卫生管理制度和操作规程
D. 建立、健全职业卫生档案和劳动者健康监护档案
E. 建立、健全工作场所职业病危害因素监测及评价制度
【多选题】
用人单位不得安排___从事对本人和胎儿、婴儿有危害的作业。
A. 夜班作业
B. 未成年工
C. 高空作业
D. 接触职业病危害的作业
E. 孕期、哺乳期的女职工
【多选题】
可采取以下___措施来控制噪声的传播。
A. 消声
B. 吸声
C. 隔声
D. 隔振
E. 阻尼
【多选题】
建筑工地噪声主要有以下___几种。
A. 机械性噪声
B. 施工人员叫喊声
C. 空气动力性噪声
D. 临街面的嘈杂声
E. 电磁性噪声
【多选题】
有毒物可通过什么进入人体。___
A. 呼吸道
B. 皮肤
C. 消化道
D. 化学反应
E. 物理反应
【多选题】
职业危害因素按来源分为___。
A. 化学因素
B. 劳动过程中有害因素
C. 物理因素
D. 生产过程中产生的有害因素
E. 生产环境中的有害因素
【多选题】
职业活动中存在的（有害）因素以及在作业过程中产生的其他职业有害因素统称职业病危害因素。___
A. 化学
B. 物理
C. 生物
D. 噪声
E. 辐射
【多选题】
产生职业病危害的用人单位，应当在醒目位置设置公告栏，公布有关职业病防治的___。
A. 规章制度
B. 操作规程
C. 职业病危害事故应急救援措施
D. 工作场所职业病危害因素检测结果
E. 标准
