【判断题】
若自准直仪上读数鼓轮每格角值分度值为1",则其线值分度值可用0.05mm/m表示
A. 对
B. 错
查看试卷,进入试卷练习
微信扫一扫,开始刷题
答案
B
解析
暂无解析
相关试题
【判断题】
所有的紫色酒精,在 1 米内不准点有明火,不准放在暖气片上
A. 对
B. 错
【判断题】
固定式装配适用于单件和小批量模具的装配,以及装配精度要求较高,需要调整的部位较多的装配
A. 对
B. 错
【判断题】
我国对企业发生的事故,坚持“四不放过”原则进行处理
A. 对
B. 错
【判断题】
齿轮的齿侧间隙分为12 个等级
A. 对
B. 错
【判断题】
在机械设备中,凸轮表面误差将会引起扭转振动
A. 对
B. 错
【单选题】
What happens to the status of users already logged into ESXi Shell when a vSphere administrator enables lockdown mode?___
A. Users remain logged in and can run commands, except to disable lockdown mode.
B. Users remain logged in and can run commands, including disabling lockdown mode.
C. Users are immediately logged out of ESXi Shell.
D. Users are logged out after a timeout specified by the vSphere administrator.
【单选题】
What is the effective vSphere licensing level during the 60 day evaluation period?___
A. vSphere Foundation Essentials Plus
B. vSphere Standard
C. vSphere Enterprise
D. vSphere
E. nterprise Plus
【单选题】
To comply with security requirements, an administrator with a vCenter Server Appliance needs to force logoff of the vSphere web client after 10 minutes of inactivity.What should the administrator do to meet the requirement?___
A. Edit: /var/lib/vmware/vsphere-client/webclient.properties, modify session.timeout=10
B. Edit: /opt/vmware/vsphere-client/webclient.properties, modify session.timeout=600
C. Edit: /var/lib/vmware/vsphere-client/webclient.properties modify session.timeout=600
D. Edit: /opt/vmware/vsphere-client/webclient.properties, modify session.timeout=10
【单选题】
An administrator enables High Availability (HA) on a Virtual SAN cluster.Which network is used for HA Network Heatbeat configuration?___
A. The Management network.
B. The vMotion network.
C. The Virtual SAN network.
D. The Provisioning Traffic network.
【单选题】
A user wants to monitor a business-critical virtual machine to ensure that it doesn't run out of resources. What metric could be monitored in vRealize Operations to address this concern?___
A. Time Remaining badge
B. Compliance badge
C. Reclaimable Waste badge
D. Density badge
【单选题】
An administrator has recently installed a new ESXi 6.x Host, and during the configuration notices sporadic network problems. To check whether the issue occurred sometime during the configuration, the administrator would like to reset the system.How can this be accomplished in the shortest amount of time?___
A. Run the ESXi installer again and reinstall the host.
B. Select the Reset System Configuration option from the vSphere Client when connected directly to the host.
C. From the
D. irect Console User Interface, select Reset System Configuration.
【单选题】
A vApp is running out of compute resources when overall activity is high within the resource pool. At other times, everything is fine.What should be done to resolve this issue?___
A. Increase the size of the resource pool Shares.
B. Set the vApp's CPU and Memory Reservation Type to Expandable.
C. Set the vApp's CPU and Memory Limit to Unlimited.
D. Create a new resource pool with the existing hardware configuration.
【单选题】
A virtual machine has been renamed and an administrator is unable to find files with the new virtual machine name in the datastore.What is the reason for this?___
A. The names of the files on the datastore do not change.
B. The names of the files on the datastore have been corrupted.
C. The virtual machine needs to be re-added to the inventory.
D. The Distributed Resource Scheduler moved the virtual machine to another host.
【单选题】
An administrator has configured network connectivity for a new virtual machine, as shown in the Exhibit.What will occur with the network traffic of this virtual machine when communicating externally from vSwitch1?___
A. The virtual machine will communicate on both uplinks
B. The virtual machine will only communicate on vmnic1
C. The virtual machine will only communicate on vmnic2
D. The virtual machine will fail to communicate externally
【单选题】
An administrator is unable to create the first group in a new vRealize Operations environment. What is the likely cause of the problem?___
A. There are no group types defined.
B. The group is not defined in SSO.
C. There are more than 32 group types defined.
D. The description for the group is not provided.
【单选题】
A new vApp was built and tested in the corporate headquarters datacenter running vSphere 6.x. What condition would explain why the virtual machine is failing to boot in an offsite datacenter running on vSphere 5.5?___
A. The virtual machine was built with the default hardware version.
B. The VMFS 5 datastore is not compatible with virtual machines configured with vSphere 6.x.
C. a
D. RS 5.5 cluster cannot run virtual machines configured with vSphere 6.x.
【单选题】
An administrator is evaluating whether to deploy vCenter Server on a Windows server or on a vCenter Server appliance. The administrator has the following requirements: <A web browser will be utilized to manage the vSphere environment.> <16 ESXi hosts will be deployed.> <Licenses must be shared with a vCenter Server at another site.> <An external Oracle 10g database server will be used to host the vCenter Server database.> Why will the administrator need to deploy vCenter Server on a Windows server?___
A. Linked Mode is a requirement for the solution.
B. Oracle 10g is a requirement for the solution.
C. The vSphere web client is a requirement for the solution.
D. Management of more than 5 hosts is a requirement for the solution.
【单选题】
What is a benefit of using VMware Data Protection ?___
A. Provides support for guest-level backups and restores of Microsoft SQL Servers, Exchange Servers, and Share Point Servers.
B. Provides support for advanced storage services including replication, encryption, deduplication, and compression.
C. Provides direct access to VDP configuration integrated into the vSphere Client.
D. Reduces disk space consumed by virtual machine data using deduplication.
【单选题】
An administrator enables vSphere High Availability (HA) on an existing cluster with a large number of hosts and virtual machines. The administrator notices that the setup of vSphere HA on some of the hosts is failing. What step, if taken, might resolve this issue?___
A. Increase the value of the config.vpxd.das.electionWaitTimeSec setting.
B. Set the value of vpxd.das.aamMemoryLimit to 256.
C. Set the value of the das.useDefaultIsolationAddress setting to False.
D. Increase the value of the das.iostatsinterval setting.
【单选题】
An ESXi 6.x host consists of 24 logical cores. Hyperthreading is enabled on the host. What is the maximum number of vCPUs that can be assigned to a virtual machine on this host?___
A. 24
B. 48
C. 64
D. 128
【单选题】
By default, each ESXi 6.x host is provisioned with a certificate from which root certificate authority?___
A. RedHat Certificate Authority
B. VMware Certificate Authority
C. DigiCert Certificate Authority
D. Verisign Certificate Authority
【单选题】
An administrator is adding an NFS datastore as shown in the Exhibit. What is the purpose of the Servers to be added list?___
A. It contains the IP addresses of the NFS Storage Server to provide multipathing capability.
B. It contains the IP addresses of the ESXi hosts that mount the datastore.
C. It contains the IP addresses used for
D. ynamic Discovery of targets.
【单选题】
An administrator reports that the System Event log data is only available for 24 hours when reviewing the Hardware Status tab. Which condition could be responsible for the loss of data?___
A. A Reset event log was executed.
B. The statistical collection level was set to a value of 1.
C. The boot disk of the host is corrupt.
D. Syslog has been configured at the vCenter Server level.
【单选题】
During an upgrade, the ESXi 6.x installer finds an existing version of ESXi and a VMFS3 volume. No virtual machines exist on the host or VMFS3 volume. The requirement is to upgrade to VMFS5. Which option should be chosen to meet this requirement?___
A. Upgrade ESXi and preserve the VMFS datastore
B. Install ESXi and preserve the VMFS datastore
C. Install ESXi and overwrite the VMFS datastore
D. Upgrade
E. SXi and overwrite the VMFS datastore
【单选题】
A vSphere 6.x Standard Switch is configured with 4 virtual machine portgroups, as shown in the exhibit. Which portgroup would be utilized by default when creating a new virtual machine?___
A. Access Network
B. DMZ Network
C. VM Network
D. Virtual Machine Network
【单选题】
Which vSphere 6.x feature will allow an organization to utilize native snapshots?___
A. Virtual Volumes
B. Virtual SAN
C. VMFS3
D. VMFS5
【单选题】
An administrator is creating a new vSphere Distributed Switch that will be utilized with a specific vSphere Cluster. The cluster itself contains a mix of ESXi 5.x and 6.x Hosts. Which Distributed Switch version should be created to support this configuration?___
A. Distributed Switch: 6.0.0
B. Distributed Switch: 5.0.0
C. Distributed Switch: 5.1.0
D. Distributed Switch: 5.5.0
【单选题】
Which load balancing policy, previously limited to vSphere Distributed Switches, is now available on vSphere Standard Switches with vSphere 6.x?___
A. Route based on physical NIC workload
B. Route based on IP Hash
C. Route based on the originating virtual port
D. Route based on Source MAC Hash
【单选题】
A storage administrator is not seeing full utilization of all bandwidth from an ESXi host. The vSphere administrator observes the adapter details, as shown in the Exhibit. What is the probable cause of this issue?___
A. Another path needs to be used to allow full utilization of the bandwidth.
B. The array is not setup to use the correct multipathing policy.
C. There are no virtual machines on the host.
D. No traffic is being sent across it because a path failed.
【单选题】
A storage administrator is not seeing full utilization of all bandwidth from an ESXi host. The vSphere administrator observes the adapter details, as shown in the Exhibit. What is the probable cause of this issue?___
A. Another path needs to be used to allow full utilization of the bandwidth.
B. The array is not setup to use the correct multipathing policy.
C. There are no virtual machines on the host.
D. No traffic is being sent across it because a path failed.
【单选题】
An administrator has just completed performing an interactive installation of ESXi 6.x and is booting the host. How is the network initially configured?___
A. The network is configured by Automatic Private IP Addressing (APIPA).
B. The network is configured based on the settings detected in DNS.
C. The network is configured with the address as specified in the installer.
D. The network is automatically configured by DHCP.
【单选题】
You have just installed an ESXi 6.x Host. As part of your company security regulations, a security banner must be presented on the console of the host. How can this action be accomplished?___
A. Configure the Advanced Settings > Annotations screen of the ESXi host.
B. This is configured from the Direct Console User Interface configuration menu.
C. It is not possible to configure a security banner for the ESXi host.
D. From vCenter Server, this setting is configured globally in the vCenter Server configuration.
【单选题】
An administrator is only able to see the Health Badge when using the vRealize Operations user interface. What is the likely cause of this behavior?___
A. The vRealize Operations Foundation License is in use.
B. The vmware-sps service failed to start.
C. The vRealize Operations Standard License is in use.
D. The vmware-rbd-watchdog service failed to start.
【单选题】
An administrator has configured an alarm to be notified when a virtual machine meets either of these conditions: <High virtual CPU> <High active memory consumption.> <The alarm is only triggering when both of the conditions are met.> What can be done to correct the alarm behavior?___
A. Edit the alarm and select Trigger if ANY of the following conditions are satisfied.
B. Edit the alarm and select Trigger if ALL of the following conditions are satisfied.
C. Create two separate alarms, one for CPU and one for memory and link them together with ESXCLI.
D. Delete the existing alarm and create a new event based alarm.
【单选题】
An administrator creates an ESXi cluster using vSphere Auto Deploy. The ESXi hosts are configured to get a management IP address from a DHCP server. The administrator needs to troubleshoot the management network on one of the hosts. Which DCUI option should the administrator use to renew the DHCP lease? ___
A. Restart Management Network
B. Restore Network Settings
C. Test Management Network
D. Configure Management Network
【单选题】
An administrator is attempting to restore a number of files in a directory within the Operating System of a virtual machine. How can the administrator restore the files from a previous backup? ___
A. Use the File Level Restore option from the selected backup of the virtual machine in the vSphere Web Client.
B. Connect to the File Level Restore tool from a web browser in the virtual machine.
C. Connect to the File Level Restore tool from the VMware
D. ata Protection appliance.
【单选题】
After selecting an object in vRealize Operations, how can a user compare the badge values of related child objects? ___
A. Use the Scoreboard tab
B. Use the Relationship tab
C. Use the Members tab
D. Use the Overview tab
【单选题】
You want to deploy a vApp and dynamically assign IP addresses without a DHCP server on the network. Which action would you take to accomplish this task? ___
A. Enable IP pools.
B. Configure a local DHCP server in the vApp.
C. Enable NAT on the vApp router.
D. Configure the guest OS for workgroup and WINS.
【单选题】
What is the optimal configuration when building a virtual machine for a single-threaded Windows application? ___
A. Deploy single-threaded applications on uniprocessor virtual machines.
B. Deploy single-threaded applications on symmetric multi-processor virtual machines.
C. Tune single-threaded applications to take advantage of symmetric multi-processor resources.
D. Tune Single-threaded applications at the hypervisor level.
【单选题】
An administrator has created the resource pool configuration shown in the Exhibit. Based on the exhibit, which virtual machine(s) can be successfully powered on? ___
A. VM-M1 only
B. VM-K1 only
C. VM-K1 and VM-K2 only
D. VM-K1, VM-K2, and VM-M1
推荐试题
【单选题】
如果挣值是 300 000 美元, 实际成本是 3S5 000 美元, 计划价值是 370 000 美元, 项目的进度绩效指数是 ( )。
A. 0.85
B. 1.25
C. 1.16
D. 0.81
【单选题】
通常用货币单位来表示项目成本, 但有时也可用非货币单位, 以便 ( )。
A. 提高成本估算的准确性
B. 消除通货膨胀的影响, 便于成本比较
C. 更容易考核项目工作人员的业绩
D. 更容易把成本与进度结合起来考核
【单选题】
估 算 成 本 过 程 旨 在 ( )。
A. 对项目总成本做一个粗略的估算
B. 估算项目中各项活动的成本
C. 估算项目活动的直接成本
D. 估算项目活动的人工费
【单选题】
可以使用下列方法计算挣值, 除了 ( )。
A. 顺推计算法
B. 加权里程碑法
C. 固定公式法
D. 完成百分比法
【单选题】
以下哪项说明了项目已经完工?( )
A. EV = PV
B. EV = AC
C. EV = BAC
D. PV = BAC
【单选题】
关于粗略量级估算, 下列说法正确的是 ( )
A. 一般不使用这种方法估算成本
B. 项目信息比较详细时才可以开展的估算
C. 在项目初始阶段可以使用
D. 成本基准是粗略量级估算
【单选题】
以下哪项不是估算成本过程的输入? ( )
A. 成本管理计划
B. 质量管理计划
C. 项目进度计划
D. 资源管理计划
【单选题】
在项目执行过程中, 管理层批准动用管理储备金来应对已经发生的风险。 在这种情况下, 应该 ( )。
A. 修改成本基准
B. 修改项目预算
C. 修改项目资金需求
D. 增加项目应急储备
【单选题】
以下哪些内容包含在成本管理计划中?( )
A. 估算的准确度 、 成本绩效测量规则、 预先批准的项目总体预算
B. 估算的精确度、 筹资方案的说明、 资源的计量单位
C. 估算依据、 估算的准确度、 估算的精确度
D. 成本管理允许的偏差、 预先批准的项目总体预算、 成本绩效测量规则
【单选题】
下列哪个估算方法可以更准确地反映项目的实际成本? ( )
A. 参数估算
B. 类比估算
C. 自上而下估算
D. 自下而上估算
【单选题】
以下各项主要用于项目控制 , 除了 ( }。
A. 偏差分析
B. TCPI
C. 挣值分析
D. 质量成本
【单选题】
估算成本过程得到的成本估算, 通常包括 ( )。
A. 项目所使用的全部资源的成本
B. 直接成本和间接成本
C. 应急储备和管理储备
D. 以上都是
【单选题】
下列哪项是实际完成工作的预算价值? { )
A. 挣值( EV)
B. 计划价值 ( PV )
C. 实际成本 ( AC)
D. 成本偏差( CV)
【单选题】
制定预算过程的主要输入包括 ( )
A. 范围基准、 相关方登记册、 资源管理计划和组织过程资产
B. 成本估算、 范围基准、 项目进度计划和风险登记册
C. 成本估算、 质量基准、 项目进度计划和协议
D. 成本基准、 范围基准、 项目进度计划和风险登记册
【单选题】
公司要求你的项目必须在 5 个月内完成, 而且只有 100 万元预算, 这是 ( )。
A. 制约因素
B. 项目风险
C. 假设条件
D. 事业环境因素
【单选题】
以下哪项是对成本绩效指数的最准确的解释? ( )
A. 它表明成本超支或节约的情况
B. 它表明项目的成本绩效好坏
C. 它能够反映导致成本超支或节约的原因
D. 它表明单位成本所实现的项目价值
【单选题】
项目成本核算应该在什么时候进行? ( )
A. 成本发生时
B. 实际支付时
C. 实际交货时
D. 在上述各时间均可, 取决于组织的具体需要
【单选题】
可以利用历史数据之间的统计关系进行 ( )。
A. 三点估算
B. 类比估算
C. 自下而上估算
D. 参数估算
【单选题】
下列哪项不是估算成本过程的输入? ( )
A. 工作分解结构、 项目进度计划
B. 资源需求、 工作分解结构词典
C. 质量成本、 项目进度计划
D. 风险登记册、 项目进度计划
【单选题】
项目经理基于以往类似项目经验, 对项目成本开展估算, 准确度是 -25% ~ +75%。 他正在使用下列哪种成本估算方法?( )
A. 确定性估算
B. 三点估算
C. 类比估算
D. 参数估算
【单选题】
在制订成本管理计划的过程中, 项目团队不需要 ( )。
A. 征求成本管理专家的意见
B. 考察不同的项目融资方式
C. 召开成本规划会议
D. 考虑花多少钱去做质量管理
【单选题】
在编制项目预算时, 可以把各时点的累计成本基准确定为略高于预计的累计资金支出数, 以便 ( )。
A. 尽量拖延资金支出
B. 尽早取得资金投人
C. 更灵活地安排资金的使用
D. 考虑预计的债务
【单选题】
经过分析, 采用非节能材料可降低项目成本, 但是会导致项目投入运营后成本非常高。 项目团队应该 ( )。
A. 只关注完成项目成本最低, 不考虑项目成果的运营成本
B. 考虑项目决策对产品运营成本的影响后,再做出相应决策
C. 请运营部门决策是否使用节能材料
D. 按设计图纸执行
【单选题】
项目成本控制的重点是 ( )。
A. 分析资金支出与已完工作是否匹配
B. 监督资金的支出
C. 确保成本管理不超出批准的资金限额
D. 把成本超支控制在可接受范围内
【单选题】
下列哪项不属于估算依据中的内容? ( )
A. 估算是如何编制的
B. 对估算区间的说明
C. 用于绩效测量的挣值管理(EVM)规则
D. 关于全部假设条件和已知制约因素的文件
【单选题】
良好的成本管理可以确保 ( ) 0
A. 项目实际成本尽可能低于预算
B. 项目完工时的实际成本正好等于批准的预算
C. 项目在批准的预算内完工
D. 项目在批准的预算偏差 ± 10%内完工
【单选题】
项目最可能的成本是 1000 万元, 最乐观的成本是 800 万元, 最悲观的成本是 1400万元。 那么基于贝塔分布的预期成本是 ( )。
A. 1033 万元
B. 1067 万元
C. 1000 万元
D. 1100 万元
【单选题】
针对工期较长的大型项目,使用融资工具为项目分阶段获取资金,这是哪个管理过程的相关活动? ( )
A. 规划成本管理
B. 制定预算
C. 制定项目章程
D. 控制成本
【单选题】
下列哪项是资金限制平衡的作用?( )
A. 按已知的资金限制调整资金支出计划
B. 在资源需求与资源供给之间取得平衡
C. 增加资金投人, 满足项目的资金支出需要
D. 增加投人的资源以达到压缩工期的目的
【单选题】
项目工作绩效报告中包括如下数字: PV = 110, EV = 100, AC = 120, 总预算为150。 成本偏差是多少?( )
A. -20
B. -10
C. + 10
D. + 20
【单选题】
关于项目资金需求的说法, 正确的是 ( )
A. 项目总资金需求就是项目的成本基准
B. 通常以连续且均衡的方式投入资金
C. 项目资金需求是一种项目文件
D. 项目总资金需求就是项目的成本预算
【单选题】
挣值分析将计算并监测项目的三个关键指标, 分别是 ( )。
A. EV、SV 和 CV
B. EV、CPI 和 SPI
C. PV、EV 和 EAC
D. PV、EV 和 AC
【单选题】
SV >0, CPI <1, 当前项目状态是 ( )
A. 进度超前, 成本超支
B. 进度落后, 成本节余
C. 进度超前, 成本节余
D. 进度落后, 成本超支
【单选题】
你的朋友告诉你, 他所管理的项目已经花了5000 万美元, 而按计划本应花费 4000万美元。 该项目的当前状态是 ( )
A. 进度超前, 成本超支
B. 进度落后, 成本节余
C. 进度超前, 成本节余
D. 无法判断
【单选题】
控制成本过程的输出包括 ( )。
A. 成本概算
B. 成本预算
C. 成本基准
D. 成本预测
【单选题】
项目拟用的挣值管理规则应该在以下哪个文件中做出规定? ( )
A. 项目成本管理计划
B. 项目质量管理计划
C. 项目范围管理计划
D. 项目变更管理计划
【单选题】
某一高风险活动, 为了考虑不确定性的影响, 采用哪种估算技术能取得最佳效果?( )
A. 类比估算
B. 三点估算
C. 确定性估算
D. 参数估算
【单选题】
为了编制成本管理计划, 项目团队通常需要召开哪个会议? ( )
A. 启动会议
B. 规划会议
C. 开工会议
D. 评审会议
【单选题】
以下哪种预测项目完工情况的方法最为准确?( )
A. 自下而上的 ETC 估算
B. 按预算单价的 ETC 估算
C. 按累计 CPI 进行的 ETC 估算
D. 按关键比率的 ETC 估算
【单选题】
在下表中, 哪个项目最有可能提前完成?( 插不了图片,我手打出来,大家自己画图)项目甲乙丙的PV,EV,AC分别如下:PV:900,900,900; EV:700,500,1100; AC:500,700,700。
A. 甲项目
B. 乙项目
C. 丙项目
D. 三个项目将同时完成