【单选题】
第1700题：氨工作场所每月至少进行一次作业环境职业病危害因素监测，每___至少进行一次控制效果评价。
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相关试题
【单选题】
第1701题：按照职业性接触毒物危害程度分级，苯属于___级。
【单选题】
第1702题：碳三加氢反应为___反应，必须严格控制温度，以防飞温引起恶性事故。
【单选题】
第1703题：生产经营单位的从业人员有依法获得安全生产保障的权利，并应当依法履行安全生产方面的___。
【单选题】
第1704题：下列不属于工业上常见的板式塔的是___
【单选题】
第1705题：发生氢气泄露事故时，处理的注意事项不包括___。
A. 避免产生火花
B. 要防静电
C. 要在下风口处理
【单选题】
第1706题：用于高处作业的安全帯适用于体重及负重之和不大于___kg。
【单选题】
第1707题：从事使用高毒物品作业的用人单位应当至少每___进行一次职业中毒危害控制效果评价。
【单选题】
第1708题：向用人单位提供可能产生职业病危害的设备的，应当提供中文说明书，并在设备的醒目位置___。
A. 张贴中文说明书
B. 设置警示标识和中文警示说明
C. 设置安全注意事项
【单选题】
第1709题：裂解炉导向管与定位管之间间隙___mm。
A. 10-15
B. 10-20
C. 15-25
【单选题】
第1710题：乙烯装置所用的原料、中间产品和产品大多是易燃易爆的气体或液体，如果安全措施不当会有爆炸的危 险。乙烯装置中发生的化学爆炸的种类不包括___爆炸。
【单选题】
第1711题：生产装置应急状态下有毒有害工艺气体排放应排放至___。
【单选题】
第1712题：防震减灾工作，实行___、防御与救助相结合的方针。
【单选题】
第1713题：关于重大事故的处理原则，下列表述错误的是___。
A. 不跑、冒、滴、漏，不超温、起压、窜压
B. 可以就地排放油和气体，防止发生着火爆炸等恶性事故
C. 注意保护催化剂及设备
【单选题】
第1714题：在火灾中，由于毒性造成人员伤亡的罪魁祸首是___。
【单选题】
第1715题：密封蒸气的作用是___。
A. 防止裂解气污染密封油
B. 防止透平中的蒸汽向大气泄漏
C. 防止密封油进入机体
【单选题】
第1716题：冷区安全阀内漏，常常会看到阀后管道___现象。
【单选题】
第1717题：在有毒气、烟尘、缺氧环境下应选用___。
A. 过滤式呼吸器
B. 空气呼吸器
C. 防尘口罩
【单选题】
第1718題：酒精燃烧火灾是___类火灾。
【单选题】
第1719题：乙烯装置的低压消防系统压力一般为___MpA 。
【单选题】
第1720题：布置在爆炸危险区的在线分析仪表间内设备为非防爆型时，在线分析仪表间应___。
【单选题】
第1721题：使用单位应当于压力容器定期检验有效期满前___，向特种设备检验机构提出定期检验的要求，特种设备应按要求，及时进行定期检验。
【单选题】
第1722题：燃烧的充分条件是___。
A. 一定浓度的可燃物，一定比例的助燃剂，一定能量的点火源，以及可燃物、助燃物、点火源三者要相互作用
B. 一定浓度的可燃物，一定比例的助燃剂，一定能量的点火源
C. 一定浓度的可燃物，一定比例的助燃剂，点火源，以及可燃物、、助燃物、三者要相互作用
【单选题】
第1723题二关于裂解气中一氧化碳的危害下列说法正确的是___。
A. 会使冷箱冻堵
B. 影响冷箱操作
C. 会造成甲烷化反应器超温
【填空题】
1、当柴油机油水温度低于20℃时，禁止启动柴油机，须进行油、水___后再启动。
【填空题】
2、柴油机启动时油、水温度不得低于20摄氏度；柴油机加负荷时油水温度不得低于___。
【填空题】
3、机车出库前检查喇叭发现无响声或声音嘶哑，调整无效则应更换___，并清扫后盖板中排气孔。
【填空题】
4、机车检修修程分为大修、中修、___、辅修四级。
【填空题】
5、中修机车自交车时起，应于___ 内离开承修段。
【填空题】
6、机车仪表定期检验应结合机车定期修理进行，其检验期限：为空气压力表为___；其它仪表及温度继电器为6—9个月。
【填空题】
7、机车水阻试验中，负载试验的目的是获得符合设计要求的___的外特性。
【填空题】
8、机车牵引力随着机车___不同而变化的规律称为机车的牵引特性。
【填空题】
9、增压后的空气温度升高，密度减小，为增加充入气缸的空气量，改善燃烧过程，需对增压后的空气进行___。
【填空题】
10、机车走行部用以承受车体车架及其上部所有设备的重量，传递机车___和制动力，并保证机车的安全行走。
【填空题】
11、柴油机按___分类可分为有增压、非增压之分。
【填空题】
12、燃料在气缸内燃烧，通过燃气膨胀推动活塞、连杆、曲轴等运动机构，将燃料的热能转变为___的热力发动机称为内燃机。
【填空题】
13、缸套的穴蚀是一种复杂的过程，它包含着空泡腐蚀及___腐蚀两个方面。
【填空题】
14、柴油机超速停车装置的用途是防止因某种原因使柴油机发生超速，造成___事故。
【填空题】
15、柴油机机油系统润滑的作用主要包括：飞溅润滑、___润滑、高压注油润滑和混合式润滑。
【填空题】
16、柴油机用冷却液的基础水一律采用___水。
【填空题】
17、涡轮增压器用压气机一般有离心式、___和混流式三种形式。
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【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
【单选题】
An administrator is attempting to restore a number of files in a directory within the Operating System of a virtual machine. How can the administrator restore the files from a previous backup? ___
A. Use the File Level Restore option from the selected backup of the virtual machine in the vSphere Web Client.
B. Connect to the File Level Restore tool from a web browser in the virtual machine.
C. Connect to the File Level Restore tool from the VMware
D. ata Protection appliance.
【单选题】
After selecting an object in vRealize Operations, how can a user compare the badge values of related child objects? ___
A. Use the Scoreboard tab
B. Use the Relationship tab
C. Use the Members tab
D. Use the Overview tab
【单选题】
You want to deploy a vApp and dynamically assign IP addresses without a DHCP server on the network. Which action would you take to accomplish this task? ___
A. Enable IP pools.
B. Configure a local DHCP server in the vApp.
C. Enable NAT on the vApp router.
D. Configure the guest OS for workgroup and WINS.
