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【判断题】
激光焊接过程中焊件由于受高温影响极易氧化。
A. 对
B. 错
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答案
B
解析
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相关试题
【判断题】
按照国际惯例和我国立法,工伤保险补偿实行"责任补偿"即无过错补偿原则。
A. 对
B. 错
【判断题】
在容器内部进行氩弧焊时,容器外应设专人监护、配合。
A. 对
B. 错
【判断题】
电子束焊接时,先接通焊接设备,再打开通风设备。
A. 对
B. 错
【判断题】
在容器内部、狭小舱室内作业时,可用氧气作通风气源。
A. 对
B. 错
【判断题】
对接接头的焊接位置可分为立焊、横焊、仰焊和平焊。
A. 对
B. 错
【判断题】
由于埋弧焊属于机械化操作,对焊工的个人防护用品没有什么要求。
A. 对
B. 错
【判断题】
埋弧自动对焊机有变速和等速两种送带方式供选用。
A. 对
B. 错
【判断题】
装满气的气瓶是危险源。
A. 对
B. 错
【判断题】
《中华人民共和国职业病防治法》的规定:在职业病防治工作上坚持预防为主、防治结合的方针,实行分类管理、综合治理。
A. 对
B. 错
【判断题】
推行ISO014000的意义在于企业建立环境管理体系,以减,各项活动所造成的环境污染,节约资源,改善环境质量,促进企业和社会的可持续发展。
A. 对
B. 错
【判断题】
焊工在离地面2m及以上的地点进行焊接与切割操作时,称|为登高作业。
A. 对
B. 错
【判断题】
焊割化工燃料容器和管道时,必须采取可靠的防爆、防火防毒等技术措施。
A. 对
B. 错
【判断题】
有害物进入人体的途径有呼吸道、消化道、皮肤黏膜三方面,而最主要的途径是呼吸道。
A. 对
B. 错
【判断题】
在线路设置有防触电安全装置条件下,安全电流可按30m考虑。
A. 对
B. 错
【判断题】
患有心脏病、高血压、精神病、癫痫病、酒醉者以及医生证明 0不能登高作业者,一律不得进行登高焊割作业。
A. 对
B. 错
【判断题】
端接接头仅在厚板焊接时采用。
A. 对
B. 错
【判断题】
职业病的诊断应依据职业病诊断标准,结合职业病危害接触史、工作场所职业病危害因素检测与评价、临床表现和医学检查结果等资料,,进行综合分析与诊断。
A. 对
B. 错
【判断题】
从广义上说,重大危险源是指可能导致重大事故发生的危 s险源。
A. 对
B. 错
【判断题】
埋弧焊在起重机械、锅炉与压力容器、桥梁、造船、铁路车 1(辆、工程机械、重型机械和冶金机械、核电站结构、海洋结构等制造月部门有着广泛的应用,是当今焊接生产中最普遍使用的焊接方法之一。
A. 对
B. 错
【判断题】
激光切割用的割炬必须满足气体喷射的方向和反射镜的光轴同轴。
A. 对
B. 错
【判断题】
一个人在皮肤干燥状态下,接触的电压越高,人体电阻意小。
A. 对
B. 错
【判断题】
金属的铸造性能主要是指金属在液态时的流动性以及液态金属在凝固过程中的收缩和偏析程度。
A. 对
B. 错
【判断题】
埋弧焊时,焊剂的存在仅能隔开熔化金属与空气的直接接触的作用。
A. 对
B. 错
【判断题】
凡是属于压焊的方法都可用于堆焊。
A. 对
B. 错
【判断题】
每台焊机都应通过单独的分断开关与馈电系统连接。
A. 对
B. 错
【判断题】
铝比铜的导电性能差,但导热性好。
A. 对
B. 错
【判断题】
石墨绀蜗在高温下会使铝热钢液有较多的增碳,铝热焊缝的力学性能得不到保证,因此不能直接用于铝热焊接钢轨。
A. 对
B. 错
【判断题】
化学性爆炸,是由于物质在极短时间内完成的化学变化,形成其他物质,同时放出大量热量和气体的现象。
A. 对
B. 错
【判断题】
重大事故隐患是指危害和整改难度较大,应当全部或局部停产、停业,并经过一定时间整改治理方能排除的隐患,或者因外部因素影响,致使生产经营单位自身难以排除的隐患。
A. 对
B. 错
【判断题】
埋弧焊时,低碳钢的焊接可选用高锰高硅型焊剂,配合H08MnA焊丝。
A. 对
B. 错
【判断题】
E4301焊条焊接时生成的粉尘中主要是含锰元素的物质。
A. 对
B. 错
【判断题】
在生产过程中,操作者即使操作失误,也不会发生事故或伤害,或者设备、设施和技术工艺本身具有自动防止人的不安全行为的能力称为失误—安全功能。
A. 对
B. 错
【判断题】
安全生产管理的目标是减少和控制危害,减少和控制事故,尽量避免生产过程中由于事故所造成的设备损坏、财产损失、环境污染,其他人员损失可以忽略。
A. 对
B. 错
【判断题】
等离子弧的能量集中(能量密度可达108~109W/cm²)。
A. 对
B. 错
【多选题】
1、对于稳重的功德下列哪个比喻描述的是正确的呢?(多选)
A. 身体稳重如大象;
B. 身体稳重如狮子
C. 说话像仙人般谛实语
D. 说话像大仙般的谛实语
【单选题】
何为三藏?
A. 经、律、论
B. 律
C. 论
【多选题】
中国佛教有哪八大宗派
A. 相宗
B. 天台宗
C. 华严宗
D. 禅宗
E. 净宗、
F. 密宗八大宗派。
G. 律宗
【单选题】
项目团队成员向项目经理汇报工作。项目收尾之后,项目团队解散并被分配到另一个项目中去。这种组织属于下列哪1种组织结构?
A. 复合型组织
B. 职能型组织
C. 项目型组织
D. 矩阵型组织
【单选题】
一个关键的项目团队成员由于自然灾害影响其所在的城市无法上班,客户期待着可交付成果,且合同中包含着 惩罚条款。项目经理应该怎么做?
A. 检查合同中是否有由于自然灾害而免于处罚的条款
B. 与客户协商处罚例外情况
C. 在不受自然灾害影响的城市聘请一位新成员
D. 更新风险登记册,包括对自然灾害的减轻
【单选题】
一家连锁店的项目经理目前正考虑在地点A或地点B开一间新店。项目经理给出以下信息:项目地点A:投资回报期为18个月,净现值为-250。项目地点B:投资回报期为24个月,净现值为300。项目经理将会向选择委员会推荐哪个项目?
A. 项目地点A,因为投资回报期比项目地点B短
B. 项目地点B,因为净现值为正数
C. 项目地点A,因为净现值为负数
D. 项目地点B,因为投资回报期比项目地点A长
推荐试题
【单选题】
An administrator is monitoring a High Availability (HA) and Distributed Resource Scheduler (DRS) enabled cluster and has noticed that virtual machines in the cluster are being migrated without user intervention. Why is this happening? ___
A. The DRS Automation level is set to Fully Automated.
B. The Automation level is set to Automatic.
C. The
D. PM Threshold is set to Aggressive.
【单选题】
An administrator attempts to migrate a suspended virtual machine to a newly deployed vSphere 6.x cluster. The compatibility check fails. What condition could cause this behavior?___
A. The new vSphere 6.x cluster is running Intel CPUs instead of AMD CPUs.
B. A suspended virtual machine cannot be migrated.
C. The hardware virtualization feature of the CPU is not enabled on the new hosts.
D. A vSphere Distributed Switch is required to migrate a suspended virtual machine.
【单选题】
A vSphere administrator has been using vSphere in evaluation mode and now wants to deploy an environment that provides the same features. Which edition of vSphere provides similar functionality to evaluation mode? ___
A. Enterprise Plus
B. Enterprise
C. Standard
D. Essentials
【单选题】
A vSphere administrator has been using vSphere in evaluation mode and now wants to deploy an environment that provides the same features. Which edition of vSphere provides similar functionality to evaluation mode? ___
A. Enterprise Plus
B. Enterprise
C. Standard
D. Essentials
【单选题】
An administrator has just configured the IP address on an ESXi host from the Direct Console User Interface. How can the configuration be validated as correct without any additional tools?___
A. Add the host to vCenter Server and if it works, then all networking settings are ok.
B. Select the Test Management Network option from the DCUI.
C. Connect to the host with the vSphere Client and click the Test Network option.
D. Use PowerCLI to connect to the host and initiate a network test.
【单选题】
An administrator is installing vCenter Server for an environment that has 40 ESXi 6.x Hosts and 150 virtual machines. Which database would meet the minimal requirements needed for this task? ___
A. vFabric Postgres
B. Microsoft SQL Express 2008
C. Microsoft SQL Server 2014
D. Oracle 11g
【单选题】
What is a requirement when enabling a Virtual SAN cluster in an existing High Availability (HA) and Distributed Resource Scheduler (DRS) Cluster? ___
A. Disable DRS and HA before enabling Virtual SAN
B. Enable DRS before enabling Virtual SAN
C. Disable HA before enabling Virtual SAN
D. Enable Storage DRS before enabling Virtual SAN
【单选题】
The vSphere administrator attempts to connect to an ESXi host via an SSH client and receives the following security alert: The vSphere administrator needs to determine whether the RSA key fingerprint shown in the security alert is the fingerprint of the intended ESXi host. Which tool should the vSphere administrator use? ___
A. Direct Console User Interface
B. vSphere Client
C. vSphere Web Client
D. vSphere Management Assistant
【单选题】
An administrator needs to monitor traffic on vSwitches in a vSphere 6.x environment. Which option, if configured, would accomplish this task? ___
A. Forged Transmits
B. MAC Address Changes
C. Promiscuous Mode
D. Notify Switches
【单选题】
What is true regarding datastores on ESXi 6.x? ___
A. NFS 4.1 datastore does not support Fault Tolerance (FT)
B. VMFS3 and VMFS5 datastores can be newly created
C. NFS datastore can be concurrently mounted using NFS 4.1 on one host and NFS on another
D. NFS 3.0 datastore does not support Fault Tolerance (FT)
【单选题】
An administrator is cloning and configuring five new web server virtual machines. What would be the benefit of configuring resource shares for the new VMs? ___
A. To prioritize access to a resource during contention.
B. To guarantee access to a resource during contention.
C. To prioritize access to a resource before contention occurs.
D. To guarantee access to a resource before contention occurs.
【单选题】
An administrator logs into the vSphere Web Client and sees the warning shown in the Exhibit. During a change control window, the warning was addressed. What should be done to verify that the host is no longer showing the warning? ___
A. Run a Remediate host operation.
B. Recheck the compliance of the host.
C. Restart the host to get rid of the warning.
D. Install VMware tools to clear the warning.
【单选题】
A vApp named Sales has a Memory Limit of 32 GB and a CPU Limit of 12,000 MHz. There are three virtual machines within the vApp: <Sales-DB -- Has a memory reservation of 20 GB. > <Sales-DC -- Has a memory reservation of 8 GB. > <Sales-Web -- Has a memory reservation of 8 GB.> Which statement is correct? ___
A. All three virtual machines can power on, but will have memory contention.
B. All three virtual machines can power on without memory contention.
C. Only two of the three virtual machines can power on.
D. Only one of the virtual machines can power on.
【单选题】
You are editing the management network configuration of an ESXi 6.x Host from the vSphere Web Client. You mistakenly put the incorrect VLAN in place for the management network. What action do you need to take to correct this? ___
A. You need to manually edit the configuration on the host with command line utilities.
B. No action is required. By default ESXi rolls back configuration changes that disconnect the host.
C. The ESXi host system configuration will need to be restored to the factory configuration to fix the issue.
D. The change can be reverted in the vSphere Web Client by simply editing the switch again.
【单选题】
What is true about resource pools created on a Distributed Resource Scheduler (DRS) cluster?___
A. A root resource pool is created with the specified values.
B. A root resource pool is automatically created using the aggregate total of the ESXi host resources in the cluster.
C. A root resource pool is automatically created using the aggregate total of all resources in the datacenter.
D. A root resource pool is not needed when creating resource pools on a DRS cluster.
【单选题】
An administrator attempts to enable Enhanced vMotion Compatibility (EVC) on a cluster. The operation results in a compatibility error, as shown in the exhibit. What is the likely cause of this error? ___
A. The CPUs in the ESXi host are not AMD CPUs.
B. The CPUs in the ESXi host do not support hardware virtualization capabilities.
C. The XD/NX CPU features have not been enabled in the BIOS of the server.
D. There is no shared storage between the hosts in the cluster.
【单选题】
What condition would prevent an administrator from creating a new VMFS3 datastore on an ESXi 6.x host using the vSphere Web Client? ___
A. A VMFS3 datastore cannot be created on an ESXi 6.x host.
B. The VMFS3 kernel module is not loaded.
C. A VMFS3 datastore cannot be mounted on an ESXi 6.x host.
D. VMFS3 datastores are not compatible with virtual machines created on an
E. SXi 6.x host.
【单选题】
During a new vSphere Distributed Switch configuration, where does the Maximum Transmission Unit (MTU) value get modified? ___
A. Uplink Settings
B. Switch Settings
C. Portgroup Settings
D. NIC Teaming Settings
【单选题】
A small company wants to use VMware products for its production systems. The system administrator needs to recommend a solution that will deliver High Availability to the company's production applications. What is minimum vSphere offering that will support this requirement? ___
A. vSphere Essentials
B. vSphere Essentials Plus
C. vSphere Hypervisor
D. vSphere Standard
【单选题】
Which scenario shows a reason for VMware Tools failing to install? ___
A. Virtual machine has a CD-ROM configured.
B. Guest OS Antivirus is blocking the VMware Tools installation.
C. Guest OS has 64-bit ldd (list dynamic dependencies) utility installed.
D. Virtual machine is powered on.
【单选题】
An administrator is configuring an ESXi 6.x host to use multiple NICs to resolve a management network redundancy error. After configuring a second NIC, the server is not able to communicate when the primary connection is taken down. The administrator analyzes the Exhibit shown here. Based on the exhibit, what is the likely cause of the issue? ___
A. vmnic4 is not attached to a vSwitch.
B. vmnic2 is not connected to a physical switch.
C. E1000 is the incorrect NIC
D. river for this card.
【单选题】
What information is required as part of an interactive ESXi 6.x installation? ___
A. Keyboard layout
B. IP Address
C. Root password
D. DNS information
【单选题】
What is the default load balancing policy for a newly created VMkernel port on a vSphere Distributed Switch? ___
A. Route based on orginating virtual port ID
B. Route based on IP Hash
C. Route based on source mac address
D. Route based on physical NIC load
【单选题】
An administrator deploys vCenter Server using the embedded Platform Services Controller. After testing the deployment for a couple of months, it is determined that the environment would be better served with an external Platform Services Controller. What should the administrator do to meet this new requirement? ___
A. Deploy a fresh instance of vCenter Server with an external Platform Services Controller.
B. Perform a fresh install of an external Platform Services Controller.
C. Migrate the embedded Platform Services Controller to an external Platform Services Controller.
D. Upgrade the embedded Platform Services Controller to an external Platform Services Controller.
【单选题】
Why are some virtual machines orphaned after rebooting a High Availability (HA) enabled host? ___
A. The Orphaned virtual machines have HA restart disabled.
B. The Orphaned virtual machines moved recently and the change did not persist.
C. The host is attached to failed storage.
D. The host just came out of maintenance mode.
【单选题】
Which vSphere 6 Standard Edition feature will allow an organization to ensure that critical multi-threaded applications have the maximum possible uptime? ___
A. Fault Tolerance
B. High Availability
C. Distributed Resource Scheduler
D. App HA
【多选题】
An application running in a virtual machine is experiencing performance issues. When utilizing performance monitoring utilities, it is noted that the CPU Utilization of the application is at 100%. Which two scenarios are probable causes of the CPU contention for the application? (Choose two.)___
A. There is a network I/O constraint.
B. There is a storage I/O constraint.
C. There is insufficient disk space assigned to the virtual machine.
D. The application is not virtualization aware.
【多选题】
A Fault Tolerance (FT) virtual machine with four vCPUs is experiencing high latency when performing ICMP and Application tests. What are three potential causes that may be attributing to this latency? (Choose three.)___
A. The FT network has insufficient bandwidth and is running on a 1GB Link.
B. The FT network is on a particularly high latency link.
C. The FT network has been configured with Network I/O Control.
D. The FT virtual machine is running an e1000 network adapter.
E. The
F. T virtual machine is running on poor performing network-based storage.
【多选题】
A virtual machine is experiencing performance issues. The following performance metrics are observed: <CPU usage value for the virtual machine is above 90%> < CPU ready value for the virtual machine is above 20%> Which two activities will likely resolve the performance issues? (Choose two.)___
A. Set a CPU reservation for the virtual machine.
B. Increase the CPU limit on the virtual machine.
C. Decrease CPU shares equally for all virtual machines on the host.
D. Increase CPU shares equally for all virtual machines on the host.
【多选题】
An administrator is upgrading a vSphere Distributed Switch. The existing switch is version 6.0 and the administrator wants to upgrade to the latest version possible. The environment contains several ESXi 6.1 hosts. Which two options are available to ensure that the upgraded switch will be compatible with these hosts? (Choose two.)___
A. Upgrade the vSphere Distributed Switch to 6.0
B. Upgrade the ESXi 5.5 hosts to version 6.0, then upgrade the vSphere Distributed Switch to 5.5
C. Upgrade the vSphere Distributed Switch to 5.1
D. Upgrade the
E. SXi host switches to 5.5, then upgrade the vSphere Distributed Switch to 5.5
【多选题】
An administrator attempts to create a Thick Provisioned Virtual Disk (VMDK) on an NFS datastore; but it fails. Which two reasons would explain the failure? (Choose two.)___
A. Datastore is on an NFS 3 storage server that does not support Hardware Acceleration
B. Datastore is on an NFS 4.1 storage server
C. Only VMFS datastores support "Thick Provisioned" VMDK
D. The NFS datastore was not created on a "Thick Provisioned" device
【多选题】
Which two NFS Protocol versions does vSphere 6 support? (Choose two.)___
A. Version 3
B. Version 3.1
C. Version 4
D. Version 4.1
【多选题】
Which three operations occur during a cold migration of a virtual machine? (Choose three.)___
A. The virtual machine disks are moved if the datastore is being changed.
B. The virtual machine is registered with the destination server.
C. The source virtual machine is removed from the old hosts.
D. The virtual machine hardware is upgraded.
E. The virtual machine files are quiesced prior to the migration.
【多选题】
A 4 GB Memory virtual machine is experiencing extended memory issues, as shown in the Exhibit. What potential issues could be attributed to this memory pressure?___
A. A limit is imposed on the virtual memory of this virtual machine.
B. The Balloon driver has been uninstalled.
C. A limit has been imposed on the Virtual CPU of the virtual machine.
D. Storage IO control has been enabled for the virtual machine causing the swapped memory.
【多选题】
You are creating a virtual machine in the Web Client using the New Virtual Machine wizard. Which two steps are required? (Choose two.)___
A. Select a valid name.
B. Select a cluster for the compute resource.
C. Select a network adapter.
D. Select the virtual machine compatibility.
【多选题】
An administrator has been given requirements to configure vMotion for a new virtual machine. The configuration should: <Provide Network Redundancy Use VLAN 550> <Be secured against anyone trying to spoof communication The vSwitch1 configuration is shown in the Exhibit.> Which three changes should be made to meet the stated requirements? (Choose three.)___
A. The VLAN ID must be set appropriately.
B. The default values for MAC Address Changes and Forged Transmits must be altered.
C. The teaming and failover adapters must be set appropriately.
D. The Traffic Shaping configuration must be altered.
E. The Load Balancing Policy must be set appropriately.
【多选题】
Which three traffic types are available services options when configuring a vmkernel port? (Choose three.)___
A. Provisioning Traffic
B. Virtual Volumes Traffic
C. vSphere Replication NFC Traffic
D. Virtual SAN Traffic
E. FCoE Traffic
【多选题】
An administrator logs into the vSphere Web Client, but is unable to see any hosts and clusters. Which two options could fix the problem? (Choose two.)___
A. Verify that the client web browser and vCenter Server are in the same broadcast domain.
B. Verify that the vCenter Server system is registered with the same Platform Services Controller as the vSphere Web Client.
C. Log in to the vCenter Server as a user within the Active
D. irectory domain.
【多选题】
Which three VLAN Tagging modes are available in vSphere 6.x? (Choose three.)___
A. External Switch Tagging
B. Private VLAN Tagging
C. Virtual Switch Tagging
D. VXLAN Tagging
E. Virtual Guest Tagging
【多选题】
Which two statements are true about VMFS5 datastores on ESXi 6.x? (Choose two.)___
A. Virtual Disk (VMDK) size can be larger than 2TB.
B. Datastore extent size can be larger than 2TB.
C. Only Physical Mode Raw
D. evice Map (Passthrough-RDM) can be larger than 2TB.
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