【判断题】
工业防火防爆的根本措施是：在生产中尽量不用和减少可燃物，用不燃物或难燃物代替可燃易燃物。
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氧气瓶和乙炔瓶工作间距不应少于 4 米。
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火灾发生后，如果逃生之路已被切断应退回室内，关闭通往燃烧房间的门窗，并向门窗上泼水，延缓火势发展，同时打开未受烟火威胁的窗户，发出求救信号。
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"严禁烟火”的标志通常出现在火灾危险性大的部位；重要的场所；物资集中，发生火灾损失大的地方；人员集中，发生火灾伤亡大的场所。
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在防火重点部位我们应注意不在这些场所吸烟和随意使用明火；不将易燃易爆物品带人防火重点部位；严格遵守各种安全标志、消防标志的要求，遵守各项防火安全制度，服从消防保卫人员的管职；劝阻违章人员、制止违章行为。维护防火重点部他的消防安全。
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泡沫灭火器扑救汽油、煤油、柴油和木材等引起的火灾。
【判断题】
车间抹过油的废布废棉丝不能随意丢放，应放在废纸箱内。
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1211 灭火器主要用于扑救用于扑灭油类、电器、精密仪器、仪表、图书资料等火灾。
【判断题】
1211 灭火器每半年检查一次总重量，下降十分之一就要灌装充气。
【判断题】
发生火灾时，基本的正确应变措施是发出警报，疏散，在安全情况下设法扑救。
【判断题】
如果因电器引起火灾，在许可的情况下，首先应关闭电源开关，切断电源；用细土、沙土、四氯化碳或 l2ll 火火器进行灭火。
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火灾逃生的四个要点是防烟熏；果断迅速逃离火场；寻找逃生之路；等待他救。
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电话报火灾时应注意要讲清楚起火单位、详细地址、着火情况、什么物品着火、有无爆炸危险、是否有人被困及报警用的电话号码和报警人的姓名等。
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粉尘对人体有很大的危害，但不会发生火灾和爆炸。
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灭火的三种基本方法是隔离法、窒息法、冷却法。
【判断题】
防火“六不准”的内容是在严禁吸烟的地方，不准吸烟；生产、生活用火要有专人看管，用火不准超量；打更、值宿人员要尽职尽责，不准擅离职守；安装使用电气设备，不准违反规定；教育小孩不准玩火；各种消防设备和灭火工具不准损坏和挪用。
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下班后防火“五不走”的内容是交接班不交待清不走；用火设备火源不熄灭不走；用电设备不拉闸断电不走；可燃物没清干净不走；发现险情不报告不处理好不走。
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大部分的火灾死亡是由于因缺氧窒息或中毒造成的。
【判断题】
公共场所的防火规定有不在公共场所内吸烟和使用明火；不带烟花、爆竹、酒精、汽油等易燃易爆危险物品进入公共场所；车辆、物品不紧贴或压占消防设施，不应堵塞消防通道，严禁挪用消防器材，不得损坏消火栓、防火门、火灾报警器、火灾喷淋等设施；学会识别安全标志，熟悉安全通道；发生火灾时，应服从公共场所管理人员的统一指挥，有序地疏散到安全地带。
【判断题】
电焊引起的火灾有飞散的火花、熔融金属和熔渣的颗粒，燃着焊接处附近的易燃物及可燃气体引起火灾；电焊机的软线长期拖拉，使绝缘破坏发生短路而起火，或电焊回线乱搭乱放，造成火灾；电焊机本身或电源线绝缘损坏短路发热造成火灾等情况。
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电气灭火用“1211"、干粉灭火器或二氧化碳灭火器效果好，因为这三种灭火器的灭火药剂绝缘性能好，不会发生触电伤人事故。
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为防止发生火灾，在厂内显眼的地方要设有严禁逗留标志。
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扑火火灾后要对火场进行全面细致的检查，消除余火和阴燃，排除险情和隐患，防止复燃。
【判断题】
在企业生产环境中，做好防火工作的主要措施有：建立健全防火制度和组织；加强宣传教育与技术培训；加强防火检查防火责任制度，消除不安全因素；认真落防火责任制度；配备好适用的、足够的灭火器材。
【判断题】
夜间装卸易燃易爆物品时，不准使用明火灯具，应该使用防爆灯具。
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在易燃易爆工厂、仓库区内一律为禁火区。各禁火区应设禁火标志。
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要做到及时控制和消灭初起火灾，主要是依靠公安消防队。
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烟雾较浓时，被困人员应用湿毛巾堵住嘴鼻，低姿势行走或匍匐穿过烟区。
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某单位在没有办理动火许可证的情况下，领导指令工人明火作业，结果发生火灾造成严重后果，该领导犯了重大责任事故罪而受到刑事处分。
【判断题】
“四懂”是指懂火灾的危险性、懂预防火灾的措施，懂扑救火灾的方法，懂逃生的方法。
【判断题】
“四会”是指会报警、会使用灭火器、会扑救初起火灾、会组织疏散逃生。
【单选题】
《电话闭塞操作实施细则》内规定，列车出入场、经过道岔区段、进出车站限速___。
A. 20km/h
B. 30km/h
C. 40km/h
D. 50km/h
【单选题】
电话记录序列号每站一组，___个号码，按日循环使用，起始号码为 00，不得跳号。
【单选题】
电话闭塞法实施区段内列车运行方向的末端车站，发车条件根据___显示执行。
A. 调度命令执行
B. 电话闭塞法相关规定执行
C. 运营需求执行
D. 轨旁及车载信号
【单选题】
三开道岔开通左向位或右向位时，密贴侧中的长尖轨和同侧基本轨相互密贴并与同侧短尖轨相互___，另一侧长尖轨与基本轨（ ）。
A. 密贴、密贴
B. 密贴、斥离
C. 斥离、斥离
D. 斥离、密贴
【单选题】
当道岔当前位置与所需位置不一致时，车站值班员应安排手摇道岔作业人员进行手摇道岔作业，标准用语为___。
A. 将×号道岔手摇至×位，并加钩锁器
B. 将×号道岔手摇至×位，并锁闭
C. 将×号道岔扳至×位，并加钩锁器
D. 将×号道岔手摇至×位，并单锁
【单选题】
集团运营安全监察室组织调查的事故，事故调查报告应在___个工作日内完成。
【单选题】
事故主要责任单位承担负有事故损失及不良影响___%的责任。
【单选题】
造成 3 人以上 10 人以下死亡（含失踪）,或者 10 人以上 50 人以下重伤，或者 1OOO 万元以上 5000 万元以下直接经济损失的事故属于___事故。
A. 特别重大
B. 重大
C. 较大
D. 一般
【单选题】
因设备故障、操作不当、检修施工等直接导致运营列车最大晚点 60 分钟以上的属于一般___类事故。
【单选题】
下列情形不属于重大事故标准的是___。
A. 1 条已（试）运营区段单向中断运营 5 小时以上，或双向中断运营 3 小时以上；
B. 6000 万元直接经济损失；
C. 50-99 人重伤（含急性中毒）；
D. 10-29 人死亡（含失踪）或者危及 30-49 人生命安全；
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【单选题】
A vSphere content library administrator is attempting to unpublish the content library, but the option is grayed out as shown in the Exhibit. Which statement identifies the reason for not being able to unpublish? ___
A. The content library is optimized for syncing over HTTP.
B. A synchronization operation is in progress with this content library.
C. There are active subscriptions on this content library.
D. Underlying storage for this content library is not accessible.
【单选题】
Assuming a mirrored (RAID-1) object configuration, how many hosts must contribute storage in a non-stretched VMware vSAN cluster to satisfy the “Number of failures to tolerate” policy option?“n” is the desired “Number of failures to tolerate” value for all options.___
A. 2n+2
B. 2n
C. 2n+1
D. 3n
【单选题】
An administrator must change the statistics level for short-term performance monitoring and wants to collect metrics for all counters, excluding minimum and maximum rollup values. What would be the statistics level?___
A. Level 3
B. Level 1
C. Level 2
D. Level 4
【单选题】
In a vSphere environment, two resource pools are created as shown in the Exhibit. Each VM is configured with 1 GB of memory. When the administrator tried to power on VM3, the operation failed. What action in the resource pool settings will allow VM3 to power on successfully?___
A. Deselect Expandable Memory Reservation
B. Increase Memory Reservation
C. Deselect Expandable CPU Reservation
D. Increase the CPU Reservation
【单选题】
Which network is used by vSphere HA when VMware vSAN is enabled?___
A. Management network
B. vSphere Replication network
C. vMotion network
D. VSAN network
【单选题】
Which statement is correct when migrating from a Windows vCenter Server to the vCenter Server Appliance 6.5?___
A. Migration deployments do not migrate local OS users from the source vCenter Server.
B. Migration deployments support DHCP on the source vCenter Server.
C. Migration deployments allow the source vCenter Server to remain powered on afterwards.
D. Migration deployments support custom ports for all services on the source vCenter Server.
【单选题】
How can failback of a recovered virtual machine in vSphere Replication be performed?___
A. No action required, because failback is automatically performed to the source site.
B. Configure a new replication in the reverse direction at the target site.
C. Disable or Stop the virtual machine replication on the source site.
D. Power off and unregister the virtual machine on the target site.
【单选题】
After upgrading the vSphere infrastructure and VMware Tools to version 6.5, the “Upgrade VM Compatibility” option is grayed out in the vSphere Web Client. (See Exhibit.) What must the administrator do to enable the VM compatibility upgrade?___
A. VMware Tools should be upgraded last.
B. Restart the ESXi server.
C. Uninstall VMware Tools.
D. Power off the virtual machine.
【单选题】
What availability mode does vCenter HA provide?___
A. Active-Passive
B. Active-Standby
C. Active-Active
D. Load-balanced
【单选题】
In which scenario will vSphere DRS balance resources when set to Fully Automated?___
A. Hosts with only shared storage
B. Hosts are part of a vSphere HA cluster
C. Power Management is set to Balanced on hosts
D. Hosts with shared or non-shared storage
【单选题】
What VMware technology can be used to move physical servers to the vSphere infrastructure?___
A. VMware vMotion
B. VMware Converter
C. VMware vCenter Server
D. OVF transport
【单选题】
Upgrading vCenter Server with Microsoft SQL database fails with the following error message: The DB User entered does not have the required permissions needed to install and configure vCenter Server with the selected DB. Please correct the following error(s): %sWhat could cause this error?___
A. incorrect ports open on SQL Server
B. incorrect database on the SQL server
C. incorrect compatibility mode on the SQL server
D. incorrect permission on SQL Server database
【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?___
【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
