【单选题】
动火作业应有专人监护，动火作业前应清除动火现场及周围的易燃物品，或采取其他有效的防火安全措施，配备足够适用的___。
A. 消防器材
B. 防火设备
C. 安全设施
D. 灭火设备
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相关试题
【单选题】
夏季高温季节应调整___时间，避开高温时段，并做好防暑降温工作。
【单选题】
入___之前，对消防器具应进行全面检查，对消防设施及施工用水外露管道，应做好保温防冻措施。
【单选题】
对取暖设施应进行全面检查。用火炉取暖时，应采取防止___中毒措施；加强用火管理，及时清除火源周围的易燃物；根据需要配备防风保暖帐篷、取暖器等防寒设施。
A. 一氧化氮
B. 一氧化碳
C. 二氧化碳
D. 硫化氢
【单选题】
严寒季节采用工棚保温措施施工，工棚内养护人员不能少于___人。
【单选题】
山区及林（牧）区施工应___遵守环境保护相关工作。
【单选题】
山区及林（牧）区施工应防止误踩深沟、陷阱。应穿硬胶底鞋。不得穿越不明地域、水域，随时保持联系，不得单独远离作业场所。作业完毕，___负责人应清点人数。
A. 施工
B. 作业
C. 项目经理
D. 安全
【单选题】
高海拔地区施工应合理安排劳动强度与时间，为作业人员提供___的膳食。
A. 高蛋白
B. 高热量
C. 低脂肪
D. 低糖
【单选题】
高海拔地区施工在进行高处作业时，作业人员应随身携带小型氧气瓶或袋，高处作业时间不应超过___h。
【单选题】
高海拔地区，施工或外出时不得单独行动，并应保持联络，应根据实际情况配备食物、饮用水，___等应急物品。
A. 车辆机油
B. 车辆燃油
C. 药品
D. 食品
【单选题】
起重机械吊索与物件的夹角宜采用45°～60°，且不得小于30°或大于___，吊索与物件棱角之间应加垫块。
A. 45°
B. 60°
C. 90°
D. 120°
【单选题】
履带起重机作业时，臂架、吊具、辅具、钢丝绳及吊物等与架空输电线及其他带电体之间不得___安全距离，且应设专人监护。
【单选题】
使用绞磨规定描述错误的是___。
A. 拉磨尾绳不应少于2人
B. 牵引绳应从卷筒上方卷入
C. 机动绞磨宜设置过载保护装置
D. 不得采用松尾绳的方法卸荷
【单选题】
绞磨和卷扬机应放置平稳，锚固应可靠，并应有防滑动措施。受力___不得有人。
【单选题】
施工机械一般规定描述错误的是___。
A. 机械金属外壳应可靠接地
B. 机械在寒冷季节使用，针对机械特点应做好防冻工作
C. 作业过程中，无关人员许可后方可进入操作室内
D. 机械在寒冷季节使用，针对机械特点应做好防滑工作
【单选题】
机械作业前，___应接受施工任务和安全技术措施交底。
A. 操作人员
B. 监护人员
C. 施工队长
D. 项目经理
【单选题】
新机、经过大修或技术改造的机械，应按出厂使用说明书的要求和现行有关___标准进行测试和试运转，特殊机械还应按照有关要求到检测机构进行检测。
【单选题】
使用装载机规定描述正确的是___。
A. 起步前，应先鸣声示意，宜将铲斗提升离地1.0m
B. 行驶中，应避免突然转向
C. 运载物料时，宜保持铲臂下铰点离地面1m左右
D. 将铲斗提升到最高位置运输物料
【单选题】
使用螺旋锚钻进机规定描述错误的是___。
A. 绞盘滚筒上至少应保留4圈钢丝绳
B. 安装及拆除螺旋锚时应停机并制动
C. 在设备选定钻进位置后，应缓慢升起钻进机架
D. 怠速运转时间不得超过10min
【单选题】
夯实机械规定描述错误的是___。
A. 夯实机械的操作扶手应绝缘
B. 操作时，应按规定正确使用绝缘防护用品
C. 操作时，应一人打夯，一人调整电源线
D. 电源线长度不应大于60m
【单选题】
使用风动凿岩机应遵守规定描述错误的是___。
A. 风、水管不得缠绕、打结
B. 开孔时，应快速运转
C. 运转中，当遇卡钎或转速减慢时，应立即减少轴向推力
D. 不得用弯折风管的方法停止供气
【单选题】
关于使用混凝土及砂浆搅拌机规定描述错误的是___。
A. 搅拌机应安置在坚实的地方，不准以轮胎代替支撑
B. 运转时，禁止将工具伸进滚筒内
C. 切断电源，停运后。进入滚筒时，外面应有人监护
D. 进料斗升起时，人员在监护下可在料斗下通过
【单选题】
搅拌机应安置在坚实的地方，用___架稳。
A. 支架或支脚筒
B. 轮胎
C. 垫木
D. 石块
【单选题】
混凝土泵车就位后，泵车应打开___，避免碰撞。
A. 停车灯
B. 转向灯
C. 示廓灯
D. 雾灯
【单选题】
关于磨石机规定描述错误的是___。
A. 操作人员必须穿胶靴
B. 操作人员必须戴好手套
C. 磨石机手柄必须套绝缘管
D. 线路采用接零保护
【单选题】
关于混凝土切割机规定描述错误的是___。
A. 使用前，应检查并确认电动机、电缆线均正常
B. 起动后，应稍加负荷运转，检查并确认锯片运转方向正确
C. 混凝土切割操作人员，在推操作切割机时，不得强行进刀
D. 混凝土切割时应注意力的变化，防止卡锯片等
【单选题】
关于除锈机规定描述错误的是___。
A. 操作除锈机时应戴口罩
B. 操作除锈机时应戴手套
C. 操作时操作人员应站在钢丝刷的后面
D. 带钩的钢筋不得上机除锈
【单选题】
调直短于___m或直径大于9mm的钢筋时应低速进行。
【单选题】
弯曲机规定描述错误的是___。
A. 作业台和弯曲机台面要保持水平
B. 芯轴直径应为钢筋直径的1.5倍
C. 作业中不应更换轴芯、销子
D. 作业中不应变换角度和调速
【单选题】
按加工钢筋的直径和弯曲半径的要求装好相应规格的芯轴、成型轴、挡铁轴，芯轴直径应为钢筋直径的___倍。挡铁轴应有轴套。
【单选题】
电焊机规定描述错误的是___。
A. 雨雪天不应露天电焊作业
B. 在潮湿地带作业时，操作人员应站位于绝缘物上方
C. 在潮湿地带作业时，操作人员应穿防滑鞋
D. 移动电焊机时，应切断电源，不得用拖拉电缆的方法移动焊机
【单选题】
点焊机规定描述错误的是___。
A. 焊机应可靠接地
B. 作业前应清除上下两极油渍和污物
C. 工作棚应用防火材料搭设
D. 焊接操作时应戴眼镜及手套
【单选题】
焊接操作时应戴___，并站在橡胶绝缘垫或干燥木板上。工作棚应用防火材料搭设，棚内不得堆放易燃易爆物品，并应备有灭火器材。
A. 戴防护眼镜及手套
B. 口罩及手套
C. 戴防护眼镜及口罩
D. 个人保安线和手套
【单选题】
高处作业吊篮规定描述错误的是___。
A. 遇有雷雨、大雪及六级以上风力，不得使用吊篮
B. 禁止夜间使用吊篮作业
C. 当吊篮在空中作业时，应把安全锁锁好
D. 作业完毕或暂停作业，吊篮应落到地面
【单选题】
高空作业吊篮作业时遇有雷雨、大雪及___级以上风力，不得使用吊篮。禁止夜间使用吊篮作业。
【单选题】
使用油压式千斤顶时，任何人不得站在安全栓的___面。
【单选题】
插接的环绳或绳套，其插接长度应不小于钢丝绳直径的___倍，且不得小于300mm。
【单选题】
采用___滑车时，应有防止脱钩的钩口闭锁装置。
A. 吊环式
B. 吊钩式
C. 链环式
D. 吊架式
【单选题】
以下___情况，滑车将报废。
A. 轮槽径向磨损量达钢丝绳名义直径的20%
B. 轮槽壁厚磨损量达基本尺寸的5%
C. 轮槽不均匀磨损量达2mm
D. 裂纹
【单选题】
滑车组的钢丝绳不得产生扭绞；当起重重量为1t时，使用时滑车组两滑车轴心间的距离不得小于___mm。
A. 600
B. 700
C. 900
D. 1000
【单选题】
以下___不属于电动工器具使用前的检查项。
A. 外壳、手柄无裂缝、无破损
B. 电缆或软线完好
C. 保护接地线或接零线连接正确、牢固
D. 操作人员精神状态良好
推荐试题
【单选题】
In an ESXi 6.5 cluster only "NFS datastore has running or registered virtual machines" returns. A vSphere HA cluster with four hosts has admission control configured to tolerate one host failure. Which statement is true if a fifth host is added?___
A. CPU and Memory capacity will be set to 50%.
B. CPU and Memory capacity will be set to 30%.
C. CPU and Memory capacity will be set to 25%.
D. CPU and Memory capacity will be set to 20%.
【单选题】
Which command can be run to troubleshoot connectivity problems with vmkernal network interfaces?___
A. esxcli network
B. vmkping
C. net-status
D. vicfg-vmknic
【单选题】
What counter should an administrator check to determine if a virtual machine is ballooning?___
A. swapinRate
B. vmmemctltarget
C. swapped
D. vmmemctl
【单选题】
By default, how often is the vCenter vpx user password automatically changed?___
A. 15 days
B. 60 days
C. 30 days
D. 45 days
【单选题】
Which metric in the Exhibit would identify high latency for a virtual machine operating system?___
A. QAVG/cmd
B. KAVG/cmd
C. DAVG/cmd
D. GAVG/cmd
【单选题】
What VM Monitoring setting would ensure that the failure interval for a virtual machine is defined as 120 seconds?___
A. High
B. Normal
C. Low
D. Medium
【单选题】
The business managers have asked the IT administrator to ensure configuration compliance in the vSphere infrastructure. The IT administrator wants to use Host Profiles to accomplish this, but is unable to do so. Why is the administrator unable to use Host Profiles?___
A. The infrastructure uses a vSphere Standard license.
B. The infrastructure has servers with various CPU families.
C. The user has only the “Administrator” role.
D. Host Profiles apply only to storage settings.
【单选题】
What is the result of a “Consolidate” action on a virtual machine?___
A. All snapshots on the virtual machines will be deleted.
B. The virtual machine will be reverted to its last snapshot.
C. Redundant delta disks will be combined and deleted.
D. A new snapshot with memory state will be created.
【单选题】
A Telco customer is implementing NFV using vSphere as the virtualization platform. Which feature can help achieve a high packet rate with lower CPU consumption?___
A. Network I/O Control
B. SplitRX
C. ERSPAN
D. LACP
【单选题】
What is the VMware-recommended best practice for Fibre Channel zoning?___
A. soft zoning
B. single-initiator-multiple-target zoning
C. single-initiator zoning
D. single-initiator-single-target zoning
【单选题】
How can a vSphere administrator ensure that a set of virtual machines run on different hosts in a DRS cluster?___
A. Use a VM-Host affinity rule.
B. Add the VMs to a vApp.
C. Use a VM-VM affinity rule.
D. Place the VMs in different folders.
【单选题】
vCenter Server Appliance Instance can be backed up using which Client Interface?___
A. vSphere Client Interface
B. vSphere Web Client Interface
C. VMware Host Client Interface
D. Virtual Appliance Management Interface
【单选题】
What tool can capture network traffic at the uplinks, or vSwitch, or virtual port levels?___
A. tcpdump-uw
B. wireshark
C. pktcap-uw
D. pcap
【单选题】
Which storage feature always requires the use of third-party software on ESXi?___
A. Hardware Acceleration for NAS devices
B. VVOL
C. Hardware Acceleration for Block
D. evices
【单选题】
An ESXi host's VMCA-Signed certificate has expired. How can the certificate be renewed?___
A. In the vSphere Web Client, browse to the host in question. Click the Manage tab and select settings. Select System and click Certificate, then click the Renew button.
B. In the vSphere Web Client, browse to the host in question. Click the Manage tab and select settings. Select System and click Certificate, then click the Refresh CA Certificates button.
C. Run the command /sbin/generate-certificates on the affected host.
D. Disconnect the host from vCenter Server and reconnect it.
【单选题】
Which is the correct order for upgrading vSphere components?___
A. vCenter Server, ESXi hosts, VMware Tools, Virtual Machine hardware
B. VMware Tools, Virtual Machine hardware, ESXi hosts, vCenter Server
C. vCenter Server, Virtual Machine hardware, VMware tools, ESXi hosts
D. ESXi hosts, vCenter Server, Virtual Machine hardware, VMware Tools
【单选题】
Which iSCSI initiator type can be used with any network interface card?___
A. Software iSCSI initiator
B. Software FCoE adapter
C. Hardware Independent iSCSI initiator
D. Hardware Dependent iSCSI initiator
【单选题】
An administrator is attempting to power on a virtual machine with 32GB of memory. The operation fails with the following error: <Could not power on VM: No space left on device> <Checking the space on the virtual machine's datastore, there is 30GB free.> Which action would allow the VM to power on?___
A. Set a 2GB memory reservation on the VM.
B. Mount the virtual disk from the affected VM on to another virtual machine and free up space from within the OS.
C. Enable vSphere HD admission control on the cluster in which the VM resides.
D. Set a 2GB memory limit on the VM.
【单选题】
An administrator attempts to manually reclaim space on thin-provisioned VMFS6 volumes but finds that no additional space is being recovered. Which could be causing this?___
A. vSphere 6.5 does not support manual UNMAP.
B. The manual UNMAP operation has been moved to the vSphere web client.
C. The VASA version is use is incompatible.
D. UNMAP is automated for VMFS6.
【单选题】
An administrator has upgraded to vSphere 6.5 and also wants to use Kerberos authentication for NFS. Which can be done to the existing NFSv3 volumes to enable this feature?___
A. Perform a storage rescan on VMFS volumes.
B. Unmount the NFSv3 datastore, and then mount as NFSv4.1 datastore.
C. Nothing. All NFSv3 mounted datastores are upgraded automatically during vSphere upgrades.
D. Perform a scan of new storage devices.
【单选题】
An administrator wants to restore the vCenter Server Appliance 6.5 from backup. Where can this be accomplished?___
A. from the ESXi Host Client
B. from the VMware vSphere Appliance Management Interface
C. from within the VMware vSphere Web Client
D. from the vCenter Server Appliance Installer
【单选题】
The administrator wants to power on VM-K2, which has a 2GHz CPU reservation. VM-M1, VM-M2, and VM-K1 are all powered on. VM-K2 is not powered on. The exhibit shows the parent and child resource reservations. If Resource Pool RP-KID is configured with an expandable reservation, which statement is true?___
A. VM-K2 will be unable to power on because there are insufficient resources.
B. VM-K2 will be able to power on since resource pool RP-KID has 2GHz available.
C. VM-K2 will be unable to power on because only 2GHz are reserved for RP-KID.
D. VM-K2 will receive resource priority and will be able to power on this scenario.
【单选题】
Which is the block size on the VMFS6 datastore?___
A. All small and large file blocks are 8MB.
B. All small and large file blocks are 1MB.
C. Small file blocks are 512KB. large file blocks are 64MB.
D. Small file blocks are 1MB, large file blocks are 512MB.
【单选题】
When installing vCenter Converter Standalone, why must an administrator perform a client-server installation instead of a local installation?___
A. to manage conversion tasks remotely
B. to convert virtual machines as well as physical machines
C. to allow installation of the Converter agent on remote source machines
D. to hot clone physical or virtual machines
【单选题】
Which is required by vCenter Converter Standalone to convert a physical Red Hat Enterprise Linux 7 machine to a virtual machine?___
A. The Linux machine must be powered off.
B. The Linux machine must have the SSH daemon started.
C. The Linux machine must use a static IP address.
D. The Linux machine must have a fully-qualified domain name.
【单选题】
An administrator is troubleshooting network communications between a vCenter Server and an ESXi 6.5 host. Which log shows the related events between these components?___
A. /var/log/fdm.log
B. /var/log/vpxa.log
C. /var/log/hostd.log
D. /var/log/auth.log
【单选题】
An administrator has recently upgraded from vSphere 6.0 to 6.5, and can no longer see the software iSCSI named vmhba33. Which could be the reason for this?___
A. The upgrade has changed the vmhba name.
B. vSphere 6.5 automates iSCSI configurations.
C. vSphere 6.5 no longer supports software iSCSI.
D. The upgrade has deleted the vmhba.
【单选题】
An administrator is trying to vMotion a VM from his datacenter to a recovery site. Which is the maximum allowed RTT (Round-Trip Time) latency between source and destination host?___
A. 100 milliseconds
B. 150 milliseconds
C. 15 milliseconds
D. 10 milliseconds
【单选题】
Which is required for configuring iSCSI Software Adapter network port binding?___
A. VMkernel of the iSCSI traffic must be load balanced using Route based on IP Hash algorithm.
B. VMkernel of the iSCSI traffic must be load balanced using Route based on Source Virtual Port ID algorithm.
C. VMkernel of the iSCSI traffic must be load balanced using Route based on Source MAC Hash algorithm.
D. VMkernel of the iSCSI traffic must be bound to only one active network adapter.
【单选题】
In vSphere Data Protection 6.1, which is the function of a Backup Verification job?___
A. None. Backup Verification job is not a feature of vSphere Data Protection
B. It is a manual task -Power it on -Verify the guest OS -Check started applications
C. It is an automatic process -Restore a virtual machine -Power it on -Verify that the guest OS is booted by communicating with the Backup Verification agent
D. It is an automatic process -Restore a virtual machine -Power it on -Verify that the guest OC is booted by detecting the VMware ToolsTM "heartbeats"
【单选题】
An administrator has enabled vSphere Distributed Switch Health Check. The hosts connected to that Distributed Switch all display an alert:< vSphere Distributed Switch MTU supported status > .The administrator has all of the VMkernel ports MTU sizes set to 1600. Which action will remedy this problem?___
A. Configure the Distributed Switch to MTU 9100.
B. Disconnect and reconnect the physical network cable.
C. Configure the physical switch to MTU 1600.
D. Disable the Distributed Switch MTU.
【单选题】
Which Host Profile Subprofile configuration is used to configure firewall settings for ESXi hosts?___
A. Advanced Configuration Settings
B. General System Settings
C. Security
D. Networking
【单选题】
Where would a vSphere administrator find general vCenter Server logs on a vCenter Server Appliance?___
A. /var/log/vmware/vpxd/
B. /var/log/messages
C. /etc/vmware-vpx/
D. /var/log/vmware/vsan-health/
【单选题】
An administrator wishes to enable network port mirroring based on source port. Which feature should be enabled?___
A. vSphere standard switch port
B. ERSPAN
C. NSX Virtual Wire
D. VLAN
【单选题】
Which CLI command shows the physical uplink status for a vmnic?___
A. esxcli network ip connection list
B. esxcli network ip neighbor list
C. esxcli network nic get
D. esxcli network nic list
【单选题】
Which is the maximum number of block devices (LUNs) that are supported by ESXi hosts that are running version 6.5?___
A. 1024
B. 512
C. 2048
D. 256
【单选题】
When performing a vCenter Server 5.5 for Windows with Microsoft SQL Server Express database migration to vCenter Server Appliance 6.5, which will be the target database?___
A. Microsoft SQL Server Express 2012R2
B. Microsoft SQL Server Standard 2012R2
C. PostgreSQL
D. Oracle DB 11g
【单选题】
An administrator has multiple vCenter Server 6.5 systems but cannot enable Storage I/O Control (SIOC) on a datastore shared by ESXi hosts managed by the vCenter Server systems. Which action should the administrator take to resolve the issue?___
A. Unmount the datastore and then enable SIOC on the vCenter Server system.
B. Configure the datastore to be managed by a single vCenter Server system.
C. Configure Storage DRS and then enable SIOC on the vCenter Server system.
D. Enable Raw Device Mapping (RDM) on the
E. SXi hosts.
【单选题】
“OneAppServer” is a VM template stored in a content library named “LibraryOne”, but the vSphere administrator is not able to use this template for deployment. Why is the administrator unable to deploy OneAppServer?___
A. OneAppServer must be updated before it can be deployed.
B. LibraryOne is a subscribed library and OneAppServer is not downloaded yet.
C. LibraryOne is published and optimized for syncing over HTTP.
D. OneAppServer was imported from a local file on the system.
【单选题】
An administrator sets the Failover Capacity for both CPU and Memory at 25%. Based on the Exhibit below, how much of the cluster’s total CPU resources are still available to power on additional virtual machines?___
A. 45%
B. 25%
C. 70%
D. 60%
