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【判断题】
长时间吸入含高浓度二氧化碳的空气,会令人产生昏睡的感觉
A. 对
B. 错
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相关试题
【判断题】
对职工因工伤亡事故和其他严重危害职工健康问题的调查处理必须有工会参加
A. 对
B. 错
【判断题】
移动电具每年检查二次,主要检查外壳完整、接线完好和绝缘电阻符合要求
A. 对
B. 错
【判断题】
上海轨道交通维护保障中心供电分公司,是保证地铁安全可靠运行的专业保障单位。负责地铁内所有用电设备的巡视、维护、检修及抢修工作
A. 对
B. 错
【判断题】
为了提高供电设备的安全和可靠,地铁供电系统内的一类负荷和二类负荷都采用双电源供电的方式
A. 对
B. 错
【判断题】
地铁的牵引供电设备是为列车提供动力及辅助电源的,与地铁供电系统是分开的单独供电系统
A. 对
B. 错
【判断题】
接触网是单一且没有备用的供电设备,接触网的设备故障可能将直接造成该段线路的列车停运
A. 对
B. 错
【判断题】
运行值班人员在日常巡视工作中主要是巡视设备的运行状态和记录动态数据,其次是发现设备故障并及时修复故障,避免从小故障引发更大的设备故障
A. 对
B. 错
【判断题】
禁烟工作责任管理部门主管人员在禁烟工作中,不依法履行职责或者徇私舞弊的,对直接负责
A. 对
B. 错
【判断题】
人及其主管人员和其他直接责任人员给予行政处分;构成犯罪的,按国家相关规定依法处理
A. 对
B. 错
【判断题】
禁控烟管理工作,列入供电分公司内各禁烟管理责任主体部门和负责人的年度绩效考核,由公司绩效考核工作小组、组织人事部质量安全部负责组织监督、考核管理
A. 对
B. 错
【判断题】
在电力线路上工作,应按下列方式进行:填用第一种工作票、填用第二种工作票
A. 对
B. 错
【判断题】
填用第一种工作票的工作为:在停电线路[或在双回线路中的一回停电线路]上的工作;在全部的配电变压器台架上或配电变压器室内的工作
A. 对
B. 错
【判断题】
所谓全部停电,系指供给该配电变压器台架或配电变压器室内的所有电源线路均已全部断开者
A. 对
B. 错
【判断题】
填用第二种工作票的工作为:带电作业;带电线路杆塔上的工作;在运行中的配电变压器台上或配电变压器室内的工作
A. 对
B. 错
【判断题】
许可开始工作的命令,必须通知到工作负责人,其方法可采用:当面通知、电话传达、派人传达
A. 对
B. 错
【判断题】
操作可以约时停、送电
A. 对
B. 错
【判断题】
填用第二种工作票的工作,不需要履行工作许可手续
A. 对
B. 错
【判断题】
完成工作许可手续后,工作负责人[监护人]应向工作班人员交待现场安全措施、带电部位和其他注意事项。工作负责人[监护人]必须始终在工作现场,对工作班人员的安全应认真监护,及时纠正不安全的动作。分组工作时,每个小组应指定小组负责人[监护人]。在线路停电时进行工作,工作负责人[监护人]在班组成员确无触电危险的条件下,不可以参加工作班工作
A. 对
B. 错
【判断题】
如工作负责人必须离开工作现场时,应临时指定负责人,并设法通知全体工作人员及工作许可人。原工作负责人返回工作地点时,也应履行同样的交接手续。若工作负责人需要长时间离开现场,应由原工作票签发人变更工作负责人,两工作负责人应做好必要的交接
A. 对
B. 错
【判断题】
在工作中遇雷、雨、大风或其他任何情况威胁到工作人员的安全时,工作负责人或监护人可根据情况,不需停止工作
A. 对
B. 错
【判断题】
白天工作间断时,工作地点的全部接地线仍保留不动。如果工作班须暂时离开工作地点,则必须采取安全措施和派人看守,不让无关人员接近施工现场以及负载的起重和牵引机械装置等。恢复工作前,应检查接地线等各项安全措施的完整性
A. 对
B. 错
【判断题】
填用数日内工作有效的第一种工作票,每日收工时如果要将工作地点所装的接地线拆除,次日重新验电装接地线恢复工作,均须得到工作许可人许可后方可进行。如果经电力调度允许的连续停电、夜间不送电的线路,工作地点的接地线可以不拆除,但次日恢复工作前应派人检查
A. 对
B. 错
【判断题】
全部工作完毕后,工作班应清扫、整理现场。工作负责人[包括小组负责人]必须进行周密检查线路、变电所设备检修地段的状况以及在设备内外部、杆塔上导线上及瓷瓶上有无遗留的工具、材料等,通知并查明全部工作人员确由触网杆塔上撤下和撤离变电所后,再命令拆除接地线。接地线拆除后,应即认为线路带电,不准任何人再登杆和接触设备进行任何工作。再向值班员讲清所修项目、发现的问题、试验结果和存在的问题等,并与值班人员共同检查设备状况有无遗留物件,是否清洁等,然后在工作票上填明工作终结时间,经双方签名后,工作票方可终结
A. 对
B. 错
【判断题】
已结束的工作票,保存二个月
A. 对
B. 错
【判断题】
进行线路、变电所作业前,应作好下列停电措施:断开变电所[包括用户]线路断路器[开关]和隔离开关[刀闸];断开需要工作班操作的线路各端断路器[开关]、隔离开关[刀闸]和熔断器[保险];断开危及该线路停电作业,且不能采取安全措施的交叉跨越、平行和同杆线路的断路器[开关]和隔离开关[刀闸];断开有可能返回低压电源的断路器[开关]和隔离开关[刀闸]
A. 对
B. 错
【判断题】
将检修设备停电,必须把各方面的电源完全断开[任何运用中的星形接线设备中的性点,必须视为带电设备]。禁止在只经开关断电源的设备上工作。必须拉开刀闸,使各方面至少有一个明显的断开点[SF6绝缘的刀闸以其就地可靠的位置指示器显示]。与停电设备有关的变压器和电压互感器,必须从高、低压两侧断开,防止向停电检修设备反送电
A. 对
B. 错
【判断题】
应检查断开后的断路器[开关]、隔离开关[刀闸]是否在断开位置;断路器[开关]、隔离开关[刀闸]的操作机构有锁的应加锁;并应在断路器[开关]或隔离开关[刀闸]操作机构上悬挂“在此工作!”的标示牌
A. 对
B. 错
【判断题】
线路经过验明确实无电压后,各工作班[组]应立即在工作地段两端挂接地线。凡有可能送电到停电线路的各个相连接部分也要挂接地线。若有感应电压反映在停电线路上时,应加挂接地线。同时,要注意在拆除接地线时,防止感应电触电。主变电所、牵引变电所、降压变电所全部停电时,应将各个可能来电侧接地短路,其余部分不必每段都装设接地线。装设接地线可由一人进行
A. 对
B. 错
【判断题】
挂接地线时,应先接导线端,后接接地端,接地线连接要可靠,不准缠绕。拆接地线时的程序与此相反。装、拆接地线时,工作人员应使用绝缘棒或戴绝缘手套,人体不得碰触接地线
A. 对
B. 错
【判断题】
验电、装设、拆除接地线,必须由二人进行,一人操作,一人监护,其岗位等级不低于初级[包括初级]
A. 对
B. 错
【判断题】
直流验电器检验,先装配验电器,确认验电器外观完好无损。测试前对验电器进行验电功能试验是否完好;并到相同电压等级的直流电网上确认验电器功能正常
A. 对
B. 错
【判断题】
用普通的接触网接地线[柔性接地线]使用刚性接触网上,在刚性悬挂上安装有接地环,使用接地棒可以直接挂设在接地环上;
A. 对
B. 错
【判断题】
采用特制的接地棒[刚性接触网专用的],将接地线夹卡在汇流排上进行接地
A. 对
B. 错
【判断题】
柔性接地线不可用于刚性汇流排接地环处的接地
A. 对
B. 错
【判断题】
不小于2m以上的登高作业应申请,经审批同意后方可进行
A. 对
B. 错
【判断题】
一级登高作业应由班组提出申请,车间审批、登记
A. 对
B. 错
【判断题】
不小于二级的登高作业应由车间提出申请,公司质量安全部审批、登记
A. 对
B. 错
【判断题】
上海市对轨道交通行业事故管理的安全底线是不撞车、不追尾、不踩踏
A. 对
B. 错
【判断题】
事故等级分类可分为特别重大事故、重大事故、较大事故和一般事故
A. 对
B. 错
【判断题】
一般事故可分为A、B、C三类
A. 对
B. 错
推荐试题
【单选题】
What is a potential downside of having more than four paths per datastore?___
A. limits the storage protocols
B. increases storage latency for VM
C. limits the path selection policies
D. limits the number of LUNs per host
【单选题】
Which feature facilitates the sharing of templates via vCenter Server?___
A. Content Library
B. OVF
C. folders
D. vApp
【单选题】
A vSphere Administrator is in the process of configuring replication for a virtual machine, but is not able to select the Recovery Point Objective (RPO) value of 5 minutes. Which statement could explain why the RPO value cannot be lower than 15 minutes?___
A. The OS quiescing option is selected for Replication options.
B. The virtual machine hardware version is not compatible.
C. The target and source sites use different types of datastores.
D. The target and source sites are not using VMFS 6.0 datastore.
【单选题】
What advanced parameter defines a custom isolation IP address for a vSphere HA cluster?___
A. das.usedefaultisolationaddress
B. das.isolationshutdowntimeout
C. fdm.isolationpolicydelaysec
D. das.isolationaddress
【单选题】
Which method is supported for backing up the virtual machine that contains vCenter Server?___
A. differential
B. incremental
C. full image
D. individual disks
【单选题】
A vSphere Administrator must ensure that a user is able to view and manage the system configuration in vSphere Web Client. In the vCenter Single Sign-On domain, which group should the user be a part of?___
A. SystemConfiguration.BashShellAdministrators
B. ComponentManager. Administrators
C. Administrators
D. SystemConfiguration.Administrators
【单选题】
What is the minimum number of hosts that must contribute capacity to a non-ROBO single site VMware vSAN cluster?___
A. 1
B. 64
C. 3
D. 2
【单选题】
Which guest operating system supports PVRDMA?___
A. Windows (32-Bit)
B. Linux (32-Bit)
C. Windows (64-Bit)
D. Linux (64-Bit)
【单选题】
What is the correct way to replace the certificate on an existing vCenter Server that is part of a vCenter HA configuration?___
A. Put the vCenter HA in Maintenance mode, replace the certificate, exit Maintenance mode.
B. Shut down Passive and Witness nodes and replace the certificate on the Active node.
C. Remove the Passive and Witness nodes, replace the certificate, reconfigure the cluster.
D. Replace the certificate while all nodes are participating in the cluster.
【单选题】
The vSphere Data Protection performance analysis results in the “Conditionally Passed” status. What can cause this condition?___
A. The results did not meet the minimum performance expectations.
B. The read, write, and seek tests were successful.
C. The read and write tests were successful but the seek test failed.
D. The read and write tests were successful but the seek test skipped.
【单选题】
A vSphere Administrator wants to reserve 0.5 Gbps for virtual machines on each uplink on a disturbed switch that has 10 uplinks. What is the quota that should be reserved for the network resource pool?___
A. 10 Gbps
B. 5 Gbps
C. 100 Gbps
D. 0.5 Gbps
【单选题】
A vSphere administrator manages a cluster which includes critical and non-critical virtual machines. The cluster requires different permissions for contractors and non-contractors. How can the administrator exclude the contractor group from some of the critical VMs?___
A. Apply permission for both contractors and non-contractors on the cluster level.
B. Apply permission for both contractors and non-contractors on the cluster level. Remove permission on the critical VMs for contractors.
C. Remove permission for contractors on the cluster level. Apply permission on the critical VMs for noncontractors.
D. Apply permission for both contractors and non-contractors on the VMs. Remove permission on the critical VMs for contractors.
【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
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