相关试题
【单选题】
ATWS属于_______
A. 超设计基准事故
B. 预期运行事件
C. 设计基准事故
D. 正常运行工况
【单选题】
SGTR后，应在一回路建立____g/kg的停堆硼浓度___
A. 18-20
B. 16
C. 停堆前的硼浓度+1g/kg
D. 最小停堆硼浓度
【单选题】
对于AA12引发的反应堆停堆信号中有，BBA-BBD(3v4)频率小于____HZ，延时1.4s。___
A. 45
B. 46
C. 47.4
D. 49
【单选题】
以下不是ATWS（AA21）信号触发的动作_______
A. 启动JDH10-40泵组
B. 启动PEB20/30泵组
C. 启动KAA10-40泵组
D. 打开JDH10-40泵冷却水KBC阀门
【单选题】
在停堆前反应堆功率低于____%Nnom时，ATWS不会被自动触发___
A. 4.712
B. 3.127
C. 1.724
D. 2.174
【单选题】
CA11逻辑中可以手动启动JMN进行安全壳喷淋和手动停止喷淋，它们的优先顺序是___
A. 手动启动安全壳喷淋优先
B. 手动停止安全壳喷淋优先
【单选题】
DC11时隔离KAA____厂房的用户___
A. UJA
B. UKA
C. UKD
D. UKC
【单选题】
触发DC11保护动作的信号有_________
A. 一回路热段饱和温差<10度
B. 安全壳压力大于0.129MPa
C. CA11
D. 以上都是
【多选题】
下列哪些LEFU功能是通过TXP实现的：___
A. AB21（PP1）
B. BA11（启动高压安注）
C. AC21（防止误稀释）
D. BE21（JEF喷淋阀控制）
【多选题】
一回路温度大于150℃时，下列哪些保护引入___
A. AA14
B. BA11/BD11/BD21/BD22/BE13
C. CD11/CD12
【多选题】
BA11启动高压安注系统泵信号动作结果为：___
A. 启动JND10-40AP001
B. 关闭JND11-41AA101、102
C. 打开JND10-40AA801
D. 关闭JET53AA101-108。
【多选题】
BA11动作信号，热一环路热段温度大于150度___
A. 安全壳内压力大于0.129Mpa
B. 一回路压力对应的饱和温度与热段温差小于10度
C. CD13/Div.B
D. 手动触发
【多选题】
BB22:触发断开稳压器电机热器的信号有___
A. CD15
B. 一回路压力大于3.43Mpa，热段温度小于100
C. BA11
D. BA12
【多选题】
BB22:当一回路出现压力大于3.43MPa，热段温度小于100℃时，冷脆保护执行哪些操作___
A. 切除KBA20/30/51/52/53AP001
B. 断开稳压器电加热器
C. 无BA11信号下关闭JNG50-80AA101/102泵
D. 切除JDH10-40AP001
【多选题】
哪些保护触发后（非手动触发）必须等10分钟脉冲复位后才能复位？___
A. BA11；
B. BA12；
C. DC11；
D. DC12；
E. CA11
【多选题】
当BA13（转地坑运行）动作时，发出的命令有：___
A. 开启JNG10,20(30,40)AA803
B. 关闭循环阀JND12,22(32,42)AA101,102
C. 关闭JNG12,22(32,42)AA101
D. 关闭循环阀JNG13,23(33,43)AA101,102
【多选题】
以下属于热腿温度上升＞70℃引入的保护包括：___
A.
B. A21 (LPRZ＜-0.2m，启KBA50备用泵；LPRZ =0m，停泵） B. BA21 (LPRZ＜-0.8m，启KBA20(30)；LPRZ =-0.2m，停泵）
C. BA23（LPRZ＜-1.0m，关闭KBA10、40AA101,102）
D. AA15（LPRZ＜-1.0m，且△LSG＞0.3m或△F＞42kg/s，触发AA15）
【多选题】
下列关于BA21信号说法正确的是：___
A. 在T1k热（1v4）>70℃的前提下，稳压器窄量程液位－Lnom<0.0m或0.2m或0.8m或1.5m，发30s脉冲信号开启KBA60AA110，KBA69AA101；
B. 在T1k热（1v4）>70℃的前提下，稳压器窄量程液位－Lnom<-0.2m，启动备用的小流量上充泵；
C. 在T1k热（1v4）>70℃的前提下，稳压器窄量程液位－Lnom<-1m，启动一台大流量上充泵，同时开启阀门JNK11/41AA101,102 ， JNK23AA101，关闭阀门KBA10AA104，KBC10,11,12AA101；
D. 在T1k热（1v4）>70℃的前提下，稳压器窄量程液位－Lnom<-1.5m，启动第二台大流量上充泵KBA30//20AP001。
【多选题】
BA22动作结果是将JNK水箱的正常用户从安全系统隔离，触发信号如下___
A. ATWS（AA21）信号
B. LOCA（AA13）信号（包括稳压器低液位触发LOCA）
C. SGTR（CD15）信号
D. CD13信号（来自多样性A/B）
【多选题】
触发BB12的信号有___
A.
B. EA-BED母线电压<2.52KV，延时60秒； B. BBA-BBD母线电压<2.52KV，延时60秒；
C. BBA-BBD母线频率<47.4Hz，延时60秒；
D. BEA-BED母线频率<47.4Hz，延时60秒。
【多选题】
下列关于BB12信号描述正确的是___
A. 母线BEA-BED电压（4v4）<2.52KV，延时60秒；
B. 母线BEA-BED频率（4v4）<47.4Hz，延时60秒；
C. BB12保护动作时在后备盘上使用专用的钥匙复位；
D. BB12保护动作时的报警声音与AA17动作时不同；
【多选题】
下列保护可以手动触发_________
A. EP
B. APP
C. PP1
D. PP2
【多选题】
AC21的触发信号有_________
A. EP
B. ATWS
C. 所有主泵全停
D. 主泵运行环路的热腿温度小于274度
E. PP1信号长于5秒
【多选题】
机组功率>75%Nnom的情况下，以下信号中会触发APP保护动作的是_________
A. 发电机出口开关断开
B. 机组孤岛运行
C. 多于两个主汽门关闭
D. 主给水流量与反应堆功率严重不匹配
【多选题】
DC11中启动KAA系统的信号有_________
A. 一回路饱和温度与任一环路热段温度之差小于10℃
B. 安全壳内压力大于0.129MPa
C. 来自CA11命令
D. 来自CD15命令
【多选题】
造成正反应性误引入事故的初始事件有哪些_________
A. 硼酸浓度的误稀释
B. 控制棒组件的不可控上移
C. 控制棒组件从堆芯弹出
D. 主蒸汽快速隔离阀的误关闭
【多选题】
以下信号中，触发第一类预保护（PP1）动作的信号有_________
A. 中子通量变化周期小于20s
B. 一回路热段(1v4)温度高于323℃
C. 堆芯上部压力大于16.2MPa
D. 主蒸汽集管压力大于6.86MPa
【多选题】
以下信号中，触发第二类预保护（PP2）动作的信号有_________
A. 堆芯上部压力大于16.2MPa
B. 燃料棒线功率密度大于max1（max1＝PP1限值×0.98）
C. 偏离泡核沸腾裕度DNBR小于min1（min1＝1.35）
D. 单束控制棒落入堆芯
【多选题】
功率运行时一定引起跳堆的事件_________
A. 切除三台主泵
B. 控制棒驱动机构380V电源丧失，延时3秒
C. SGTR
D. 汽轮机停机
【多选题】
发生误稀释事故时，触发“反应堆紧急停堆”保护动作信号有_________
A. 反应堆周期<10s
B. 反应堆功率大于操纵员设定的功率限值
C. 反应堆功率大于根据反应堆冷却剂泵运行状态自动生成的功率限值
D. 最大线功率密度超过限值
【多选题】
控制棒意外落棒事故，可能触发“反应堆紧急停堆”保护动作信号有_________
A. 反应堆周期<10s
B. 反应堆功率>75%时，一回路压力小于14.7MPa
C. 一回路热段温度大于260℃时，没有cooldown时一回路压力<13.73MPa
D. 一回路热段温度大于328℃
【多选题】
发生SGTR启动JDH系统后，当满足下列条件之一，JDH泵停运___
A. P1k <7.5MPa（H＝0.5MPa）
B. JDH泵启动信号存在，但稳压器液位>9.4m（H＝0.1m）
C. SGTR信号消失后，操纵员手动复位
D. KAA泵停运
【多选题】
下列属于CE11“地震时系统隔离”动作的是：___
A. 关闭蒸汽发生器主给水
B. 关闭LBA10-40AA501,101,102
C. 关闭LCU正常供应，即关闭LCU02,03AA103,LCU00AA101
D. 关闭SGC02向非抗震厂房的供给
【多选题】
关于安全壳一级隔离的说法哪些是正确的：___
A. 安全壳内压力大于0.105MPa，信号消失后即可复位
B. 安全壳内放射性水平大于Max1，信号保持10min后可复位
C. 操纵员手动触发，可以立即复位
【多选题】
触发安全壳一级隔离的命令有：___
A. 安全壳内压力大于0.105MPa
B. 安全壳内放射性水平大于Max1
C. 安全壳内放射性水平大于Max2
D. 操纵员手动触发
【多选题】
SGTR后，在开启非事故蒸汽发生器大气释放阀信号消失的前提下，何时将其转为维持压力工况___
A. 一回路压力小于7.9Mpa
B. 手动
C. 蒸汽发生器压力低于4.9Mpa
D. 蒸汽发生器压力低于5.0Mpa
【多选题】
CD15保护动作的结果是___
A. 启动JDH泵对堆芯应急注硼
B. 发信号至DC11,DC12，启动KAA,PEB
C. 停运JEF电加热器
D. 关闭KBA60AA110和KBA69AA101
【多选题】
关于发生SGTR时蒸汽发生器的隔离的说法哪些是正确的___
A. 关闭所有蒸汽发生器的汽侧阀门LBA10、20、30、40AA501，101，102
B. 关闭事故蒸汽发生器的大气释放阀LBU10（20，30，40）201和前置隔离阀LBU10（20，30，40）AA101
C. 关闭事故蒸汽发生器排污阀门LCQ15（25，35，45）AA801、802；LCQ16（26，36，46）AA801、802
D. 关闭事故蒸汽发生器给水阀门LAB10（20，30，40）AA111、113、801
【多选题】
CB12安全壳二级隔离时，将安全壳隔离阀分成四组，分别为：___
A. 无延时关闭a组
B. 延时11秒关闭a组
C. 无延时关闭b组
D. 延时11秒关闭b组
【多选题】
CD15发生SGTR时强制降低一回路压力 功能完成准则为___
A. JDH至少两列运行
B. 向稳压器汽空间喷淋的JDH水流量不低于8Kg/S
C. 硼酸浓度不低于40g/l
D. 降低一回路压力到7.5兆帕
推荐试题
【多选题】
ESXi 6.5 introduces VMFS6, which supports both 512e and 512n devices. What three configurations are supported when using these devices? (Choose three.) ___
A. Hosts with both 512e and 512n devices.
B. Storage vMotion between both 512e and 512n devices.
C. Datastore Extents spanned between both 512e and 512n devices.
D. Storage DRS clusters containing only both 512e and 512n devices.
【多选题】
A vSphere Administrator observes that the Primary VM configured with Fault Tolerance is executing slowly. After further investigation, it is determined that the Secondary VM is on an overcommitted ESXi host. What two methods will correct the problem? (Choose two.)___
A. Use Storage vMotion to migrate the Secondary VM to another datastore.
B. Use vMotion to migrate the Secondary VM to a different ESXi host.
C. Configure a CPU limit on the Primary VM which will also apply to the Secondary VM.
D. Turn off and turn on FT in order to recreate the Secondary VM on a different datastore.
【多选题】
Which two features require the use of Host Profiles? (Choose two.)___
A. Host Customizations
B. shared storage
C. Auto
D. eploy
【多选题】
What three processes on the vCenter Server Appliance (VCSA) does“vmware-watchdog monitor? (Choose three.) ___
A. vmware-eam
B. vmcad
C. vmware-vpostgres
D. vpxd
E. vsan-health
【多选题】
What three processes on the vCenter Server Appliance (VCSA) does“vmware-watchdog monitor? (Choose three.) ___
A. vmware-eam
B. vmcad
C. vmware-vpostgres
D. vpxd
E. vsan-health
【多选题】
Which two statements correctly describe VM-Host affinity rules? (Choose two.) ___
A. When there is more than one VM-Host affinity rule in a vSphere DRS cluster, the rules are applied equally.
B. After creating a VM-Host affinity rule, its ability to function in relation to other rules is predetermined.
C. When there is more than one VM-Host affinity rule in a vSphere
D. RS cluster, the rules will be ranked.
【多选题】
An administrator wants to enable proactive HA by moving virtual machines automatically if a hardware alert is triggered. What are the three required settings? (Choose three.)___
A. Set vSphere DRS Automation to Partially Automated.
B. Turn on Proactive HA.
C. Set the Proactive HA Automation Level to Manual.
D. Set the Proactive HA Automation Level to Automated.
E. Turn on vSphere HA and vSphere DRS.
【多选题】
If vCenter Server 5.5 installation has one or more services deployed remotely, which three services are relocated to vCenter Server 6.5 on upgrade? (Choose three.)___
A. vCenter Inventory Services
B. vSphere Authentication Proxy
C. vSphere Web Client
D. vSphere
E. SXi Dump Collector
【多选题】
What two debugging levels can a virtual machine be configured to? (Choose two.)___
A. Verbose
B. Debugging
C. Statistics
D. Trivia
【多选题】
What are three benefits of using a few large-capacity LUNs instead of many small-capacity LUNs? (Choose three.) ___
A. Better performance because there is less contention for a single volume.
B. More flexibility for resizing virtual disks.
C. Less wasted storage space.
D. More flexibility to create virtual machines without adding new LUNs.
E. Fewer VMFS datastores to manage.
【多选题】
Which two configurable options are available in Boot Options for a virtual machine? (Choose two.)___
A. Tools Upgrades
B. Encryption
C. Firmware
D. Force BIOS setup
【多选题】
Which three VMware-recommended best practices should an administrator follow before upgrading to vSphere 6.5? (Choose three.)___
A. Disconnect ESXi host from vCenter.
B. VMware Tools are installed in the virtual machine.
C. Ensure that the system hardware complies with ESXi requirements.
D. Back up the host.
E. Check the interoperability of any other software integrated with vSphere.
【多选题】
What are two requirements to enable EVC in vSphere DRS cluster? (Choose two.)___
A. CPUs must be from the same vendor.
B. EVC must use the lowest possible baseline supported by the hardware.
C. CPUs must be in the same family and of the same speed.
D. No VMs may be running in the cluster.
【多选题】
What three conditions could result in VMware Flash Read Cache being unable to claim a disk? (Choose three.)___
A. The disk is not listed in the VMware hardware compatibility guide.
B. The disk is not detected as an SSD.
C. The disk is not detected as local.
D. The disk is in use by VMFs.
【多选题】
Boot from SAN is supported on which three storage technologies? (Choose three.)___
A. VMware vSAN
B. FCoE
C. NFS 4.1
D. iSCSI
E. FC
【多选题】
Which two components are part of storage I/O multipathing on ESXi? (Choose two.)___
A. SATP
B. VASA
C. PSP
D. VAAI
【多选题】
Which two statements are true about Highly Available vSphere Auto Deploy infrastructure? (Choose two.)___
A. It helps prevent data loss.
B. It is a prerequisite for using vSphere Auto Deploy with stateful install.
C. It requires two or more Auto
D. eploy servers.
【多选题】
The virtual machine log rotation size can be changed for all VMs by which two interfaces? (Choose two.)___
A. PowerCLI
B. vSphere Web Client
C. ESXi host client
D. esxcli
【多选题】
Which two configuration options can exclude virtual disks from snapshot operations? (Choose two.)___
A. Use RDM in virtual mode for virtual disk.
B. Use virtual disks in Independent – Persistent mode.
C. Use a virtual disk larger than 2 TB in size.
D. Use RDM in physical mode for virtual disk.
【多选题】
Which two storage configurations on the source server are unsupported with VMware Converter? (Choose two.)___
A. Linux LVM
B. software RAID
C. GPT/MBR hybrid disks
D. Windows basic volumes
E. Windows dynamic volumes
【多选题】
Which two statements about vCenter HA are correct? (Choose two.)___
A. ESXi 5.5 or later is required.
B. vCenter HA network latency between nodes must be less than 50 ms.
C. NFS datastore is supported.
D. It must be deployed on a 3
E. SXi host cluster with DRS enabled.
【多选题】
An attempt to delete NFS datastore from a ESXi host returns the error: Sysinfo error on operation returned the following status:< Busy> Which two statements could explain this failure? (Choose two.)___
A. NFS datastore is a part of Storage DRS Cluster.
B. NFS.VolumeRemountFrequency value is set to 30.
C. Storage I/O Control is enabled on NFS datastore.
D. NFS datastore has running or registered virtual machines.
【多选题】
An administrator finds that the Microsoft Exchange virtual machines are exhibiting network latency. What two in-guest changes can help decrease latency? (Choose two.)___
A. LRO
B. TSO
C. SR-IOV
D. PVRDMA
【多选题】
Which two types of iSCSI adapters require VMkernel networking configuration? (Choose two.)___
A. dependent hardware
B. in-guest
C. software
D. independent hardware
【多选题】
Which two statements are true for NFS v4.1 firewall behavior? (Choose two.)___
A. It closes port 2049.
B. It sets allowed. All flag to TRUE.
C. It sets allowed. All flag to FALSE.
D. It opens port 2049.
【多选题】
A vSphere Administrator attempts to enable Fault Tolerance for a virtual machine but receives the following error: Secondary VM could not be powered on as there are no compatible hosts that can accommodate it. What two options could cause this error? (Choose two.)___
A. The other ESXi host(s) are in Maintenance Mode.
B. Hardware virtualization is not enabled on the other ESXi host(s).
C. The other ESXi host(s) are in Quarantine Mode.
D. Hardware MMU is enabled on the other
E. SXi host(s).
【多选题】
Storage capabilities be populated in what two ways? (Choose two.)___
A. The administrator can use tags to describe capabilities.
B. Default capabilities are provided by vCenter Server.
C. Datastores can advertise their capabilities through VAAI.
D. Datastores can advertise their capabilities through VASA.
【多选题】
In network troubleshooting it is important to know what upstream switch the ESXi host is connected to. Which two features does ESXi provide to help identify the upstream switch? (Choose two.)___
A. Promiscuous mode
B. DPM
C. LLDP
D. CDP
【多选题】
Virtual Volumes supports which three VMware features? (Choose three.)___
A. Instant Clones
B. Distributed Resource Scheduler
C. Linked Clones
D. vMotion
E. Storage Distributed Resource Scheduler
【多选题】
vSphere DRS helps to balance virtual machines with available resources in a vSphere cluster. What three types of resources can be taken into account for balancing? (Choose three.)___
A. CPU
B. physical NIC saturation of an ESXi host
C. virtual NIC saturation of a virtual machine
D. RAM
E. storage latency
【多选题】
Which three design requirements must be satisfied to enable RAID-6 objects in a VMware vSAN cluster? (Choose three.)___
A. vSAN Advanced license or higher
B. vSAN stretched cluster
C. at least six hosts contributing storage
D. deduplication and compression
E. all flash configuration
【多选题】
When using "Cluster resource percentage" for host failover capacity in vSphere HA Admission Control, the total resource requirements are calculated from which two values? (Choose two.)___
A. Total vCPUs assigned to each VM.
B. Average CPU usage on each VM over time.
C. Memory reservations on each VM.
D. Total memory assigned to each VM.
E. Average active memory on each VM over time.
F. CPU reservations on each VM.
【多选题】
Which are four attributes of the Active vCenter HA node? (Choose four)___
A. It uses the vCenter HA network to communicate with the Witness node.
B. It constantly replicates vPostgres data with the Witness node.
C. It uses a public IP address for the management interface.
D. It runs the active vCenter Server Appliance instance.
E. It uses the vCenter HA network for replication of data to the Passive node.
F. It provides a quorum to protect against split-brain situations.
【多选题】
Which are two vCenter Server two-factor authentication methods? (Choose two.)___
A. RSA SecurID
B. Smart Card
C. SAML
D. Symantec VIP
【多选题】
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.)___
A. Virtual SAN traffic
B. NFS traffic
C. vMotion traffic
D. vSphere HA traffic
E. Fault Tolerance logging traffic
【多选题】
When migrating a Windows vCenter Server 6.0 to the vCenter Server Appliance 6.5, which two will be migrated by default? (Choose two.)___
A. Local Windows OS users and groups
B. Configuration
C. Custom ports
D. FQDN
E. Historical and Performance data
【多选题】
Which three types of Content Libraries exist within vSphere 6.5? (Choose three.)___
A. Remote Content Library
B. Published Content Library
C. Local Content Library
D. Shared Content Library
E. Subscribed Content Library
【多选题】
An administrator cannot enable multi-processor Fault Tolerance (SMP-FT) for a virtual machine. Which are two possible causes for this? (Choose two.)___
A. The virtual machine is running on a vSAN datastore.
B. The Fault Tolerance network is using a 10Gbit uplink.
C. The virtual machine has 6 vCPUs assigned.
D. The virtual machine has a 1TB VMDK attached.
E. The virtual machine has snapshots present.
【多选题】
Which two statements are true for Predictive DRS? (Choose two.)___
A. It balances resource utilization for virtual machines with unpredictable utilization patterns.
B. It integrates DRS with vRealize Operations Manager to balance workloads for virtual machines before resource utilization spikes occur.
C. It balances resource utilization based on a threshold's algorithm that runs each night.
D. It determines the best placement and balance of virtual machines based on a threshold's algorithm that runs each night in vCenter Server 6.5 Database.
【多选题】
Which two situations could cause a virtual machine to appear with (orphaned) appended to its name? (Choose two.)___
A. if a host failover is unsuccessful
B. if a virtual machine was removed from vCenter Server's inventory
C. if a virtual machine was deployed from template, and the template has been deleted
D. if a virtual machine is unregistered directly on the host
