【判断题】
经纬仪整平时,经反复调整,直到仪器转到任意位置时,水准气泡最大偏离值小于二分之一格为止
查看试卷,进入试卷练习
微信扫一扫,开始刷题
相关试题
【判断题】
刮削大型机床导轨面时,应在将导轨面上的零件全部拆除后进行,以保证刮削质量
【判断题】
要安排好培训计划,做好上课的准备工作,做到有组织,有计划地进行培训,做到定时间,定地点,定内容,定进度,定要求,有练习,有考核
【判断题】
轨道制作主要是轨道调直和接头,调直后对轨道进行编号,两条轨道上从端部或伸缩缝处算起,轨道接头至少要对齐,以使运转平稳
【判断题】
为实现电动机连续正转运行需采用具有接触器自锁的控制线路和手动正转控制回路
【判断题】
在修理带传动机构时,发现带轮孔超差额0.08mm,造成配合过松,一般可用镀铬法来加大轴颈尺寸
【判断题】
用经纬仪和平行光管测量机床转台分度误差时,应用专用心轴配装在转台中心孔中将经纬仪和心轴紧固联接在一起
【判断题】
采用双螺母螺纹式调整滚珠丝杠轴向间隙的方法结构紧凑,调整方便,应用广泛
【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
【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
【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
【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
【判断题】
在机械设备中,凸轮表面误差将会引起扭转振动
【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?___
【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.
推荐试题
【单选题】
___
A. 客户侧接入:双端物理双路由
B. 客户侧设备电源具有1+1 保护的双电源模块,客户侧设备具备220V/-48V两种电源可选输入接口
C. 接入侧/客户侧设备可监控
D. 设备可采用台式或壁挂式安装方式。
E.
F.
【单选题】
某个网络运行OSPF协议,并被分为3个区域,区域号分别为0,1,2,其中1和2都只和0相连。1区域是Stub区域。2区域是NSSA区域。那么: 。___
A. 0区域存在TYPE=7的LS因为0区域是骨干区域
B. 0区域,1区域都存在TYPE=7的LSA
C. 只有1区域不存在TYPE=7的LSA
D. 只有2区域存在TYPE=7的LSA
E.
F.
【单选题】
某家庭宽带用户使用路由器上网,必须在电脑本地网卡手动设置IP地址、掩码、网关、DNS后才能上网,最可能原因是( )___
A. 客户使用的网线质量太差,致使无法自动分配到IP地址
B. 路由器未启用DHCP服务器 功能
C. 客户电脑网卡故障,无法自动获取IP地址
D. 路由器性能太差、连接的用户太多,自动分配不了IP地址
E.
F.
【单选题】
目前通信光缆大多采用( )防止水和潮气进入光缆.___
A. 充电
B. 阻水油膏
C. 充气
D. 其他
E.
F.
【单选题】
哪个部门负责在资源管理系统上对录入情况进行检查,主要核查录入数据完整性及准确性.( )___
A. 市场部门
B. 维护部门
C. 工程建设部门
D. 财务部门
E.
F.
【单选题】
Dtbackup中导出EMU命令日志应该选择的是( )___
A. commandlog
B. emucommandlog
C. uesrlog
D. user
E.
F.
【单选题】
农村商业合作银行拟采用我公司20条2M数据专线业务,局端为V35接口,以下说法错误的是( )___
A. 总行采用PDH接入。
B. 总行应双路由接入。
C. 总行安装SDH设备155M接到客户COS接口路由器上
D. 支行采用V35协转
E.
F.
【单选题】
判定业务保障级别时,从客户需求角度考虑应采用就( )不就( )原则,如客户要求高于AA,低于AAA,则判定为( )的业务保障等级.___
A. 低,高,AA
B. 高,低,AA
C. 低,高,AAA
D. 高,低,AAA
E.
F.
【单选题】
普通机房的建议标准温度为( )___
A. 15-25℃
B. 20-30℃
C. 21-25℃
D. 21-30℃
E.
F.
【单选题】
普通级业务同一专线故障重复发生次数指标要求为( )___
A. ≤4次/年
B. ≤3次/年
C. ≤2次/年
D. ≤1次/年
E.
F.
【单选题】
迁改工程中更换光缆接头盒时单模光纤的平均接头损耗应小于( )___
A. 0.1dB/个
B. 0.08dB/个
C. 0.05dB/个
D. 0.01dB/个
E.
F.
【单选题】
在 URL 中不填写协议类型,IE 浏览器默认使用( ) 协议.___
A. File
B. HTTP
C. Gopher
D. FTP
E.
F.
【单选题】
确保设备良好接地,设备采用联合接地,接地电阻应( )___
A. 小于5欧姆
B. 小于12欧姆
C. 小于10欧姆
D. 小于8欧姆
E.
F.
【单选题】
人体组织中有( )以上是由含有导电物质的水分组成的,因此,人体是电的良导体.___
A. 40%
B. 80%
C. 20%
D. 60%
E.
F.
【单选题】
认证失败信息为上网时间非有效日期的一般为( )用户.___
A. 不限时包月用户
B. 按时长计费用户
C. 包年用户
D. 限时包月用户
E.
F.
【单选题】
如果遇到验收结果异常,不符合交付标准,如现场设备安装或业务测试不符合验收要求,则要求( )___
A. 退回施工环节整改
B. 退回设计环节
C. 如果紧急可紧急接维
D. 上报领导批示
E.
F.
【单选题】
三相四线制的中性线上不准安装开关或熔断器的原因是( )___
A. 中性线上无电流,熔丝烧不断
B. 开半接通或断开对电路无影响
C. 开关断开或熔丝断后,三相 不对称负载承受三相不对称电压的作用,无法正常工作,严重时会烧毁负载
D. 安装开关或熔断器降低了中性线的机械强度
E.
F.
【单选题】
Dtbackup中导出历史告警应该选择的是( )___
A. alarmhis
B. pmhis15
C. pmhis24
D. user
E.
F.
【单选题】
上门服务见到客户后应主动向客户出示的证件是( )___
A. 身份证
B. 上岗证
C. 中国移动标识的工号牌
D. 名片
E.
F.
【单选题】
设备标准地址由哪个部门整理,经过验收部门确认准确后由工程部门录入资源管理系统.( )___
A. 工程建设部门
B. 维护部门
C. 市场部门
D. 财务部门
E.
F.
【单选题】
设备供电的季度巡检内容包括:供电是否规范安全,( ).若不采用托收电费的情况下,还需要核查电费、抄录电表度数.___
A. 是否供电为唯一接入
B. 是否从机箱下发引入电源线
C. 是否有被偷漏电
D. 是否过度弯曲电源线
E.
F.
【单选题】
设备或线路资源更新时,需要同步更新以下哪些系统的数据( )___
A. 手工台账、网管系统
B. 资源系统、网管系统、运维支撑系统等
C. 网管系统、资源系统
D. 资源系统
E.
F.
【单选题】
对于CMNET网络紧急故障,故障发现省必须在( )分钟内上报到总部网络部。___
A. 120
B. 60
C. 30
D. 10
E.
F.
【单选题】
实施网络代维应遵从( )自主维护,( )可委托代维的原则.___
A. 核心业务;非核心业务
B. 核心网络;非核心业务
C. 核心网络和核心业务;非核心网络和非核心业务
D. 核心网络;非核心网络
E.
F.
【单选题】
双绞线接法的标准有:EIA/TIA568A标准和( )标准.___
A. EIA/TIA567A
B. EIA/TIA567B
C. EIA/TIA568A
D. EIA/TIA568B
E.
F.
【单选题】
停电检修时,在开关上应悬挂( )的标示牌.___
A. 在此工作
B. 止步,高压危险
C. 禁止合闸,有人工作!
D. 有电危险
E.
F.
【单选题】
通过 ( )可以判断新装的宽带用户账号已经使用.___
A. 用户状态
B. 开通时间
C. 计费时间
D. 用户清单
E.
F.
【单选题】
维护人员手机必须( )小时开机,以便发生故障时能保证通信畅通.___
A. 8
B. 24
C. 12
D. 16
E.
F.
【单选题】
维护设备需插拔机盘时,先应( )___
A. 关掉电源PDP开关。
B. 取下PON口的光纤。
C. 佩戴接地良好的防静电手镯
D. 把手洗干净,防止手上有静电
E.
F.
【单选题】
IEEE于1999年颁布了用以标准化VLAN实现方案的( )协议标准草案.___
A. 802.1P
B. 802.1Q
C. 802.1D
D. 802.1B
E.
F.
【单选题】
Dtbackup中导出命令日志应该选择的是( )___
A. commandlog
B. emucommandlog
C. uesrlog
D. user
E.
F.
【单选题】
维护支撑过程中,对于设备必须按照( )进行维护作业.___
A. 操作规范
B. 工信部标准
C. 距离越短越好的原则
D. 客户需求
E.
F.
【单选题】
下列不属于故障处理反馈工单时的必须填写的内容的是( )___
A. 故障恢复时间
B. 故障原因分析
C. 故障处理过程
D. 故障级别
E.
F.
【单选题】
对于FTTX 用户由于拆、移、修引发的数据配置变更,应在障碍修复( )个工作日内在资源系统和BOSS 系统中进行数据更新.___
A. 1
B. 2
C. 3
D. 4
E.
F.
【单选题】
下列关于决定触电伤害程度的因素,描述错误的是( )___
A. 与触电者的年龄和健康状况无关
B. 与触电时间的长短有关
C. 与触电电流的大小、频率有关
D. 与电流通过人体的途径有关
E.
F.
【单选题】
下面( )选项是按照光缆的敷设方式分类的.___
A. 紧套光缆、松套光缆、束管式光缆和带状多芯单元光缆
B. 多模光缆、单模光缆
C. 市话光缆、长途光缆、海底光缆和用户光缆
D. 管道光缆、直埋光缆、架空光缆和水底光缆
E.
F.
【单选题】
下面对于EPON光功率叙述不正确的是( )___
A. 不通过分光器直接将ONT接在OLT光口上,可能烧坏光模块
B. 当线路光功率衰减太大,可能导致ONT无法激活
C. 光信号是看不见的红外线,因此其不会对人身造成伤害
D.
E.
F.
【单选题】
下面哪种不是互联网专线的接入实现方式.( )___
A. 窄带PBX
B. 协转
C. 光纤收发器
D. GPON
E.
F.
【单选题】
现场使用光功率计检查PON口的发光,GPONClassB+的PON光模块发光的正常范围是( )___
A. 0.5~5
B. 0.5~3
C. 0.5~4
D. 0.5~6
E.
F.
【单选题】
小区ONU至用户侧户线布放采用沿墙钉固布放时,要求卡钉间距相同,网线每隔( )应当用扎带或扎线进行绑扎,在转弯处应增大绑扎密度,且转角处需有保护防磨措施.___
A. 50厘米
B. 80厘米
C. 100厘米
D. 150厘米
E.
F.