【单选题】
___属于成形类数控机床。
A. 数控冲床
B. 数控车床
C. 数控铣床
D. 数控激光切割机床11248.当 NC 故障排除后，按 RESET 键（ ）。
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相关试题
【单选题】
C.利用磁盘机读入程序 D.从网络通过 Modem 接收程序11250.数控机床加工调试中若遇到问题需停机，应先停止___。
A. 进给运动
B. 辅助运动
C. 主运动
D. 冷却液
【单选题】
请找出下列数控屏幕上菜单词汇的对应英文词汇 SPINDLE.EMERGENCY STOP 、FEED.、COOLANT ___。
A. 主轴、急停、进给、冷却液
B. 冷却液、主轴、急停、进给C.主轴、冷却液、急停、进给 D.进给、主轴、冷却液、急停
【单选题】
在机床执行自动方式下按进给暂停键，___会立即停止，一般在编程出错或将要碰撞时按此键。
A. 进给运动
B. 控制系统
C. 参数运算
D. 计算机
【单选题】
关于数控系统的串口通讯，错误的说法是___。
A. 如果数据传输不正常，可以通过拔下数据通讯线进行复位，然后再插上通讯线
B. 确认数控系统串口功能是否已开通
C. 确认上位机软件里的参数设置和数控系统里面的串口参数是否一样
D. 进行串口通讯前，首先检查传输线是否完好
【单选题】
在数控程序传输参数中，“9600E71”，分别代表___。
A. 波特率、奇偶校验、数据位、停止位
B. 数据位、停止位、波特率、奇偶校验C.波特率、数据位、停止位、奇偶校验D.数据位、奇偶校验、波特率、停止位
【单选题】
程序编制中首件试切的作用是___。
A. 检验程序单的正确性，并检查是否满足加工精度要求
B. 检验零件工艺方案的正确性
C. 检验零件图样的正确性
D. 检验数控程序的逻辑性
【单选题】
线切割机床加工模具时，可以加工___。
A. 以直线为母线的曲面
B. 任意空间曲面
C. 阶梯空
D. 不通孔
【单选题】
数控机床的位移量与指令脉冲数量___。
A. 成正比
B. 相等
C. 相反
D. 成反比
【单选题】
___。
A. 快速响应性能和运动精度
B. 运动精度和刚度
【单选题】
C.传动精度 D.传动精度和刚度11277.采用轮廓控制的数控机床是___。
【单选题】
在加工表面、刀具和切削用量中的切削速度和进给量都不变的情况下，所连续完成的那部分工艺过程称为___。
【单选题】
数控加工的批量生产中，当本道工序定位基准与上道工序已加工表面不重合时，就难以保证本道工序将要加工表面与上道工序已加工表面之间的___。
A. 位置精度
B. 表面质量
C. 尺寸精度
D. 形状精度
【单选题】
工艺尺寸链用于定位基准与___不重合时尺寸换算、工序尺寸计算及工序余量解算等。
A. 设计基准
B. 工艺基准
C. 装配基准
D. 工序基准
【单选题】
CAM 系统中的加工模拟无法检查___。
【单选题】
C.加工程序验证 D.优化加工过程11289.不完全定位是指___。
A. 根据工件的加工要求，有时并不需要限制工件的全部自由度。
B. 工件的六个自由度全部被限制的定位。一般当工件在 x、y、z 三个坐标方向上均有尺寸要求或位置精度要求时采用。
C. 根据工件的加工要求，应该限制的自由度没有完全被限制定位。此种定位无法保障加工要求，所以是绝对不允许的。
【单选题】
D.重复限制工件的同一个或几个自由度的现象。此种定位往往会带来不良后果，应尽量避免。11290.___适用凸模或较浅的型腔三维曲面工件的粗铣加工。
A. 等高层铣
B. 平行加工
C. 垂直插铣
D. 仿形加工
【单选题】
下列关于欠定位叙述正确的是___。
A. 应该限制的自由度没有限制完
B. 限制的自由度大于六个
C. 没有限制完六个自由度
D. 不该限制的自由度而限制了
【单选题】
工件以外圆柱面定位时，常用以下几种定位元件。其中___既能用于完整的圆柱面定位，也能用于局部的圆柱面定位，且对中性好。
A. V 形块
B. 定位套
C. 半圆套
D. 圆锥套
【单选题】
关于粗基准的选择和使用，以下叙述不正确的是___ 。
A. 当工件表面均需加工，应选加工余量最大的坯料表面作粗基准
B. 粗基准只能用一次
C. 选工件上不需加工的表面作粗基准
【单选题】
D.当工件所有表面都要加工，应选用加工余量最小的毛坯表面作粗基准11298.精基准是用___作为定位基准面。
A. 加工后的表面
B. 复杂表面
C. 切削量小的
D. 未加工表面
【单选题】
___在一定的范围内无需调整或稍加调整就可用于装夹不同的工件。这类夹具通常作 为机床附件由专业厂生产，操作费时、生产率低，主要用于单件小批量生产。
A. 通用夹具
B. 专用夹具
C. 可调夹具
D. 组合夹具
【单选题】
经常作为智能控制典型研究对象的是___。
A. 智能机器人
B. 智能故障诊断系统
C. 智能制造系统
D. 智能决策系统
【单选题】
解决自动控制面临问题的一条有效途径就是，把人工智能等技术用入自动控制系统中， 其核心是___。
A. 控制器智能化
B. 控制算法
C. 控制结构
D. 控制系统仿真
【单选题】
智能自动化开发与应用应当面向___。
A. 复杂系统
B. 管理系统
C. 生产系统
D. 线性系统
【单选题】
不属于智能控制是___。
A. 确定性反馈控制
B. 专家控制
C. 模糊控制
D. 神经网络控制
【单选题】
D.信息获取与处理、控制规则集、推理机和传感器12008.专家系统的核心部分是___。
A. 知识库、数据库、推理机构
B. 人机接口、过程接口、推理机构
C. 人机接口、知识获取结构、推理机构D.知识库、数据库、人机接口
【单选题】
以下不属于专家系统知识表示法的是___。
【单选题】
C.彩色 Petri 网络 D.产生式规则12010.产生式系统的推理方式不包括___。
A. 简单推理
B. 反向推理
C. 正向推理
D. 双向推理
【单选题】
产生式系统包含的基本组成___。
A. 知识库、规则库和数据库
B. 规则库、模型库和控制器C.知识库、规则库和模型库 D.规则库、数据库和控制器
【单选题】
D.读取、写入和编辑机器人程序以及控制器数据12014.以下应采用模糊集合描述的是___。
A. 年轻
B. 高三男生
C. 教师
D. 社会
【单选题】
某模糊控制器的语言变量选为实际温度与给定温度之差即误差 e、误差变化率△e；以及加热装置中可控硅导通角的变化量 u，故该模糊控制器为___。
【单选题】
C.双输入一双输出 D.单输出一双输入 12017.以下的集合运算性质中，模糊集合不满足的运算性质___。
A. 互补律
B. 结合律
C. 分配律
D. 交换律
【单选题】
C.系数加权平均法 D.中位数法12019.下列概念中不能用普通集合表示的是___。
【单选题】
C.机电工程师 D.低于给定温度12020.BP 网络使用的学习规则是___。
A. 纠错规则
B. 相关规则
C. 竞争规则
D. 模拟退火算法
【单选题】
BP 神经网络所不具备的功能是___。
A. 优化功能
B. 泛化功能
C. 自适应功能
D. 非线性映射功能
【单选题】
由于各神经元之间的突触连接强度和极性有所不同并可进行调整，因此人脑才具有(___ 的功能。
A. 学习和存储信息
B. 输入输出
C. 联想
D. 信息整合
【单选题】
单层神经网络，有两个输入，两个输出，它们之间的连接权有___。
A. 4 个
B. 6 个
C. 2 个
D. 8 个
【单选题】
误差反向传播算法属于___学习规则。
A. 有导师
B. 无导师
C. 死记忆
D. 混合
【单选题】
PID 神经网络控制中，控制器使用了___。
A. PID 神经网络
B. HopfielD 网络
C. CMAC 神经网络
D. 感知器网络
【单选题】
C.电磁线圈两端反接 D.活塞反转 180° 12030.双速电动机高速运行时，定子绕组采用___连接。
A. 双星型
B. 三角形
C. 星-三角形
D. 星型
推荐试题
【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
【多选题】
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.)___
A. on Disk Format 3.0
B. Hybrid vSAN
C. All Flash vSAN
D. vSAN Advanced License
E. Stretched Cluster Configurations
