【判断题】
第331题：芳动者短时间活动的有毒气体工作场所、宜设置固定式有毒气体检测报警仪
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【判断题】
第332题：装置负荷低时.锅炉给水用量少、锅炉给水泵出口压力高、裂解炉汽包'液面调节阀的前后压差也高、容易使锅 炉给水调节阀冲刷损坏
【判断题】
第333题：裂解炉汽包连续排污的目的是在事故状态时保证液位
【判断题】
第3 34题:乙烯裂解炉在清焦与开车过程中可引起温差及热变应力腐蚀
【判断题】
第335题；裂解炉联锁停炉后.在安全的前提下，最先应关注稀释蒸汽是否适量即时通入，保护炉管不能超温
【判断题】
第336題：危险废物是指列入国家危险废物名录或是根据国家规定的危险废物鉴别标准和鉴别方法认定具有危险特性的废物
【判断题】
第337题：利用安全检查表对生产系统进行评价时，检查表应将系统可能导致事故发生的不安全因素全部列出
【判断题】
第338题；电器着火可以用泡沫灭火器灭火
【判断题】
第339题:裂解炉冬季停用时，炉内保持一定数量的火嘴处于燃烧状态是为了防止炉管低温腐蚀
【判断题】
第340题:为了避免出现炉管破裂事故，裂解炉进行蒸汽吹灰前必须先进行排凝
【判断题】
笫341题：裂解炉运行过程中加入二甲基二硫的主要原因为抑制一氧化碳生成，防止甲烷化飞温
【判断题】
第342题：燃烧是一种同时伴有发光、发热的激烈的氧化反应.具有发光、发热和生成新物质三个特征
【判断题】
第343题:负有危险化学品安全监督管理职责的部门的工作人员，在危险化学品安全监督管理工作中滥用职权、玩忽 职守、徇私舞弊，构成犯罪的，依法追究刑事责任，尚不构成犯罪的依法给予处分
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第344题：碳在空气中燃烧，生成二氧化碳
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第345題乙烯精馏塔取样分析乙烯产品时，不需要防止冻伤
【判断题】
第346题控制室或化验室的室内不得安装可燃气体、液化烃和可燃液体的在线分析仪器
【判断题】
第347题:裂解炉烟气中控制氮氧化物排放量是为了保护环境
【判断题】
第348题：防治污染的设施不得擅自拆除或者闲置，确有必要拆除或者闲置的，必须征得所在地环境保护行政主管部门同意
【判断题】
第349题:消防安全管理人应当定期向消防安全责任人报告消防安全情況及时报告涉及消防安全的重大问题
【判断题】
第350题：应急预案的编制应当符合有关法律、法规、规章和标准的规定:结合本地区、本部门、本单位的安全生产实际情况
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第351题：离心泵在停泵之前要先关小出口阀门，以免出口管线的物料倒流入泵内使叶轮受到冲击而损坏
【判断题】
第352题：生产使用的机械设备必须建立健全安装、使用、检查、维修、保养制度、不准超温、超压、超负荷运行，在一般情况下可以超期服役
【判断题】
第353题：安全色是表达安全信息含义的颜色，应用安全色可使人们对威胁安全和健康的物体或环境能作出尽快的反应，以减少事故的发生，但安全色本身并不能消除任何危险
【判断题】
第354题:在职业危害识别过程中.生产中使用的全部化学品、中间产物和产品均需要进行职业卫生检测
【判断题】
第355题:汽化时与液体接触较与蒸汽接触的部位更易腐蚀
【判断题】
第356题，作业人员在作业前应检查工具、设备、现场环境等是否存在不安全因素，是否正确穿戴个人防护用品
【判断题】
第357题：乙烯装置对于贮存液化气的容器，必须采取先降压后降温的方式处理
【判断题】
第358题:任何单位和个人不得危害地震观测环境
【判断题】
第359题：裂解炉点火时，要保证炉膛的正压、防止负压回火伤人
【判断题】
第360题:劳动防护用品分为特种劳动防护用品和一般劳动防护用品
【判断题】
第361题：物质的燃点越低，越不容易引起火灾
【判断题】
第362题：切换过滤器时应该先投用备用过滤器.再切出原运行过滤器防止憋压泄露
【判断题】
第363题：使用电钻或手待电动工具时必须戴绝缘手套，可以不穿绝缘鞋
【判断题】
第364题：生产规模小、危险因素少的生产经营单位，综合应急预案和专项应急预案可以合并编写
【判断题】
第365题:裂解气大阀防焦蒸汽停用的后果为，导致裂解气大阀阀道内焦炭多，裂解气大阀无法关严
【判断题】
第366题转动设备上所用的密封一般都是动密封
【判断题】
第367题：在乙烯装置紧急停车或部分设备紧急停车时，为了保证人身和装置安全，只需要将可燃气体排放置火炬即可，不需要通入如氮气、蒸汽等不燃性气体
【判断题】
第368題：变换法兰大量泄漏一般发生在系统运行阶段
【判断题】
第369题：裂解炉点火前要适当置换炉膛并用测爆仪检测
【判断题】
第370题：在碳三加氢反应器重新投用时，在进料后方可缓慢通入氢气。进料前应检查氢气注入阀的上游阀及旁路阀是否关严，以防止注入阀内漏造成氢气过量注入而导致飞温
【判断题】
第371题：防毒工作可以采取隔离的方法，也可以采取敞幵通风的方法
推荐试题
【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
【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/
