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【判断题】
"三废"是指废水、废气和废渣。(  )
A. 对
B. 错
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电力生产的指导方针是"安全第一、预防为主"。(  )
A. 对
B. 错
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强酸树脂比弱酸树脂容易再生。(  )
A. 对
B. 错
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阴床正常运行时,出口电导率大于5μS/cm,说明阳床已经失效。(  )
A. 对
B. 错
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再生溶液浓度的高低对再生效果没有影响。(  )
A. 对
B. 错
【判断题】
能有效去除水中强酸阴离子的是强碱阴离子交换树脂。(  )
A. 对
B. 错
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固定床逆流再生比顺流再生出水水质更好。(  )
A. 对
B. 错
【判断题】
逆流再生式阳床每次再生前都需要进行大反洗。(  )
A. 对
B. 错
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水中Cl-的测定可以在酸性溶液中进行。(  )
A. 对
B. 错
【判断题】
离子交换器内的交换剂层越厚,交换器运行过程中的水头损失越大,周期制水量越少。(  )
A. 对
B. 错
【判断题】
在离子交换器运行过程中,进水流速越大,交换器的工作交换容量就越大,周期制水量也越大。(  )
A. 对
B. 错
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除硅必须用强碱性阴离子交换树脂。(  )
A. 对
B. 错
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玻璃过滤器不适合过滤碱性溶液。(  )
A. 对
B. 错
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当中和池水满时,应先进行循环中和,达到排放标准时,再排放。(  )
A. 对
B. 错
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一级除盐系统中,除碳器应设置在阴床之前。(  )
A. 对
B. 错
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在相同直径下,逆流再生床比顺流再生床消耗再生剂要多。(  )
A. 对
B. 错
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阴床出口电导率值应小于等于20μS/cm。(  )
A. 对
B. 错
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活性炭吸附处理可除去水中的过剩游离氯和有机物。(  )
A. 对
B. 错
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在离子交换器再生过程中,再生液的流速一般控制在4~8m/h。(  )
A. 对
B. 错
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在离子交换器再生过程中,加热再生液(40℃),可提高再生效果。(  )
A. 对
B. 错
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强酸性H型阳离子交换树脂失效后,体积增大。(  )
A. 对
B. 错
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离子交换树脂受铁、铝及其氧化物污染后,颜色变深。(  )
A. 对
B. 错
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用铝盐作混凝剂时,最优pH值在8以上。(  )
A. 对
B. 错
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逆流再生交换器运行的关键问题是使交换器内的交换剂不乱层。(  )
A. 对
B. 错
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量取10mL蒸馏水,当水的量接近10mL刻度时,应该采用胶头滴管,并深入到量筒中将水补至刻度线。(  )
A. 对
B. 错
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澄清池运行中要控制的主要环节是排泥量和泥渣循环量。(  )
A. 对
B. 错
【判断题】
滤池的反洗强度越大,则过滤运行的周期越短,出水浑浊度越大。(  )
A. 对
B. 错
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在混凝沉淀处理中添加辅助剂可提高混凝效果。(  )
A. 对
B. 错
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用镁盐作混凝剂时,可以直接利用天然水中的Mg2+。(  )
A. 对
B. 错
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EDTA法测小硬度用的指示剂是0.5%酸性铬蓝K,终点显蓝紫色。(  )
A. 对
B. 错
【判断题】
相同直径的混合床一般比阴阳床出力要大。(  )
A. 对
B. 错
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粒状滤料的过滤过程有两个作用:一是机械筛分;另一个是接触凝聚。(  )
A. 对
B. 错
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普通混合床中,阴阳离子交换树脂体积比例一般为1:1。(  )
A. 对
B. 错
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遇有电气设备着火,应马上用灭火器灭火。(  )
A. 对
B. 错
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没有减压器的氧气瓶可以使用。(  )
A. 对
B. 错
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任何情况下,都不允许无工作票进行工作。(  )
A. 对
B. 错
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转动设备停电后,因保险已被拉开,所以无须再按启动按钮确认。(  )
A. 对
B. 错
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工作票应用铅笔填写,一式两份,经工作票签发人审核签字后,由工作负责人一并交给工作许可人办理许可手续。(  )
A. 对
B. 错
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使用电气工具时,不准提着电气工具的导线或转动部分。(  )
A. 对
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水泵启动时,先按启动按钮,再开入口门。(  )
A. 对
B. 错
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运行中,转动设备的轴承温度不应大于100℃,电机温度应小于80℃。(  )
A. 对
B. 错
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Which are four attributes of the Active vCenter HA node? (Choose four)___
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An administrator is creating VMkernel adapters on an ESXi 6.5 host and wants to create separate VMkernel adapters for every type of traffic in the default TCP/IP stack. Which three types of traffic can be explicitly enabled on a separate VMkernel adapter? (Choose three.)___
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Which three requirements are needed to apply RAID 5 or RAID 6 erasure coding on a vSAN 6.2 or 6.5 object? (Choose three.)___
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B. Hybrid vSAN
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An administrator sees the following error in the log files: Which two events could be the source of the error message? (Choose two.)___
A. vCenter Server failure
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An administrator is attempting to access an ESXi host via the DCUI but is unable to do so. Which could be two possible causes? (Choose two.)___
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E. xception User list.
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Which two permissions are required to migrate a virtual machine with Storage vMotion? (Choose two.)___
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Which are three supported storage requirements for vCenter Server HA? (Choose three.)___
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Which are the two network requirements for a VMware vSAN 6.5 cluster? (Choose two.)___
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B. vSAN requires IPv6 only.
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E. vSAN requires IPv4 only.
【多选题】
Which three prerequisites must be in place prior to enabling secure boot for a virtual machine? (Choose three.)___
A. VirtualMachine.Config.Settings privileges
B. an encrypted USB drive
C. Virtual Hardware version 13 or later
D. Virtual Hardware version 12 or later
E. EFI firmware
【多选题】
A user is given the "Virtual machine user (sample)" role in a vSphere 6.x environment. Which three permissions would the user be able to perform? (Choose three.)___
A. Reset a virtual machine.
B. Power on a virtual machine.
C. Move a host into a cluster.
D. Configure CD media.
E. Migrate a virtual machine with Storage vMotion.
【多选题】
Which three are supported upgrade processes for ESXi host? (Choose three.)___
A. using vSphere Auto Deploy
B. using a TFTP server
C. using Update Manager
D. using an
E. SXCLI command
【多选题】
When enabling Storage DRS on a datastore cluster, which three components are enabled as a result? (Choose three.)___
A. Space load balancing among datastore within the datastore cluster.
B. Initial placement for virtual disks based on space and I/O workload.
C. I/O load balancing among datastores within the datastore cluster.
D. Queue Depth alerting on disks within the datastore cluster.
E. Data de-duplication within the datastore cluster.
【多选题】
What are two features introduced in Network I/O Control version 3? (Choose two.)___
A. Bandwidth reservation per traffic type
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C. CoS tagging
D. Bandwidth guarantee to virtual machines
【多选题】
Which two correct virtual machine advanced configuration parameters will accomplish this? (Choose two.)___
A. isolation.device.edit.disable = “FALSE”
B. isolation.device.edit.disable = “TRUE”
C. isolation.device.connectable.disable = “FALSE”
D. isolation.device.connectable.disable = “TRUE”
【多选题】
Which three statements are correct regarding booting an ESXi Host from Fibre Channel SAN? (Choose three.)___
A. Direct connect topology is supported.
B. Each host must have its own boot LUN.
C. ESXi hosts do not require local storage.
D. Multipathing to a boot LUN on an active-passive array is supported.
E. Hosts can share one common boot LUN.
【多选题】
Which two tasks should a vSphere administrator perform if the vmkernel log reports VMFS metadata errors? (Choose two.)___
A. contact VMware technical support
B. reformat the datastore
C. check the device with VOMA
D. ignore the messages
【多选题】
Which two statements are true for a vCenterServer user account that is used for vSphere Data Protection (VDP)? (Choose two.)___
A. The user account must be assigned with Administrator role.
B. The password for the user account cannot contain spaces.
C. The user account should be created in the Single Sign-On domain
D. The user account cannot inherit required permissions from a group role.
【多选题】
Which three storage protocols are supported by Virtual Volumes? (Choose three.)___
A. FCIP
B. FCoE
C. iSCSI
D. NFS v3
E. NFS v4
【多选题】
A vSphere administrator observes a CPU spike on one of the web servers (view the Exhibit.) Which two statements can describe the cause of this activity? (Choose two.)___
A. The network packet size is too large.
B. VMware Tools is not installed.
C. Disk latency is present on the datastore.
D. The network packet size is too small.
【多选题】
Which three operations can cause VMFS metadata updates? (Choose three.)___
A. Restarting a VM using the guest OS.
B. Launching a VM console.
C. Migrating a VM with vMotion.
D. Powering a VM on or off.
E. Expanding a VMFS datastore.
【多选题】
*What two services run on all nodes in a vCenter Server HA cluster? (Choose two.)___
A. vmware-vmon
B. vmware-vpostgres
C. vmare-rbd-watchdog
D. vmware-vcha
【多选题】
Which two statements are true regarding Auto Deploy in version 6.5? (Choose two.)___
A. Auto Deploy can be configured and managed via PowerCLI.
B. Auto Deploy can be configured and managed via the vSphere Client.
C. Auto
D. eploy can be configured and managed via the vSphere Web Client.
【多选题】
What three options can improve network performance for a virtual machine? (Choose three.)___
A. MLD
B. TSO
C. NetFlow
D. LRO
E. SR-IOV
【多选题】
Which two storage technologies are supported for MSCS? (Choose two.)___
A. NFS
B. VAAI
C. iSCSI
D. FC
【多选题】
When upgrading a VMware vSAN cluster to version 6.5, which two tasks must be completed to comply with upgrade requirements and VMware-recommended best practices? (Choose two.)___
A. Use RVC to upgrade the hosts.
B. Use the latest available ESXi version.
C. Back up all VMs.
D. Use only the “Full data migration” maintenance mode option.
【多选题】
What two enhancements are in VMFS6 but not in VMFS5? (Choose two.)___
A. Support for 4k native disks
B. Support for 512e disks
C. GPT storage device partitioning
D. Automatic space reclamation
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