【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
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
A
解析
暂无解析
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
A. 对
B. 错
【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
A. 对
B. 错
【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
A. 对
B. 错
【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
A. 对
B. 错
【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
A. 对
B. 错
【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
A. 对
B. 错
【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
A. 对
B. 错
【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
【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.
推荐试题
【判断题】
ONU具有出局智能路由功能,且可以为用户提供中继
A. 对
B. 错
【判断题】
ONU设备的CPU占用率反映MDU设备的硬件资源占用状况,正常运行期间不超过80%为宜。
A. 对
B. 错
【判断题】
ONU设备的用户端口速率与用户上网方式有关,最大应能达到承诺带宽*0.8(以太网效率)。
A. 对
B. 错
【判断题】
ONU设备接地可以保护设备防雷击
A. 对
B. 错
【判断题】
ONU设备在机箱安装时应在合适位置,两端不能紧贴柜壁,以防影响设备散热
A. 对
B. 错
【判断题】
ONU提供的数据业务属于窄带数据业务。
A. 对
B. 错
【判断题】
ONU下接的电脑不能上网一定是由于GPON数据配置出N引起
A. 对
B. 错
【判断题】
ONU下接的电脑不能上网一定是由于GPON数据配置出N引起
A. 对
B. 错
【判断题】
OPCOM3500E设备HT-6FE24E板卡可以将24个远端的RC952-FXE1汇聚到局端的6个前面板以太口上,
A. 对
B. 错
【判断题】
OPCOM3500E设备的网管盘如果损坏(或设备不在位),那么所有的业务将会中断。
A. 对
B. 错
【判断题】
OPCOM3500E设备进行startup_config配置文件下载后,仅Y网管盘执行“reboot”命令后不可以恢复业务配置,必须Y设备进行开关电,才可以恢复业务配置。
A. 对
B. 错
【判断题】
OPCOM3500E通道环配置中,拓扑自动发现是完成Y一个网管网中存在设备的发现,并可以Y发现设备进行ip地址,掩码以及管理ip等配置,达到发现并可以管理该设备的目的。
A. 对
B. 错
【判断题】
OptiX 设备与其他设备进行业务互连时,要求保护地、工作地之间电位差不大于0.3V
A. 对
B. 错
【判断题】
OSI参考模型描述的物理层,实现的主要功能在于提出了物理层比特流传输中的差N控制方法。
A. 对
B. 错
【判断题】
OSI参考模型中,上层协议实体与下层协议实体之间的逻辑接口叫做服务访问点(SAP)。在Internet中,网络层的服务访问点是ip地址。
A. 对
B. 错
【判断题】
OSN 3500 系统中,PIU 是电源接口板提供1+1 热备份,任意1 块PIU 板可以满足单独为整个子架供电的需要
A. 对
B. 错
【判断题】
OSN 3500复用段协议下移到了交叉板,即无主控时复用段也能正常倒换。
A. 对
B. 错
【判断题】
OSN 3500所有光口从155M到10G速率都支持光功率在线检测。
A. 对
B. 错
【判断题】
OSN3500 系统中32 路120 欧E1/T1 电接口倒换出线板D12S 可以与PQ1、PQM 配合使用
A. 对
B. 错
【判断题】
OSPF的划分是基于接口的,每个接口属于一个特定的区域。
A. 对
B. 错
【判断题】
PC机通过网卡连接到路由器的以太网口,两个接口之间应该使用的电缆是交叉网线。
A. 对
B. 错
【判断题】
PC连接HUB的网线,A端和B端都用标准568B接法制作。
A. 对
B. 错
【判断题】
PDH和SDH系列的光纤数字通信设备都有统一的光接口标准。
A. 对
B. 错
【判断题】
PDH体制中,只有1.5Mbit/s和2Mbit/s速率的信号(包括日本系列6.3Mbit/s速率的信号)是同步的,其他速率的信号都是异步的
A. 对
B. 错
【判断题】
PDH信号通过映射送入SDH系统各阶虚容器VC中。
A. 对
B. 错
【判断题】
Ping 127.0.0.1命令验证本地计算机上安装 TCP/IP 以及配置是否正确。
A. 对
B. 错
【判断题】
PING是DOS命令,一般用于检测网络通与不通 ,也叫时延,其值越大,速度越慢。
A. 对
B. 错
【判断题】
Ping向一个IP地址发送了一个ICMP回送命令,目的是确定是否存在到那个节点的网络连接。
A. 对
B. 错
【判断题】
PON不能承载传统的TDM业务,必须通过协议转换器实现
A. 对
B. 错
【判断题】
PON口的发光功率可以根据需求,通过命令调节发光功率大小,达到业务开通需求。
A. 对
B. 错
【判断题】
PON网络的建设中需要考虑分光器的供电方式。
A. 对
B. 错
【判断题】
QINQ与stacking 两种vlan 属性的在应用上是一样的,都是出去两层tag。
A. 对
B. 错
【判断题】
R307C01版本初始发货的默认支持的语音协议为H248,可以通过命令修改为SIP方式。
A. 对
B. 错
【判断题】
Radius+协议与Radius一样,采用Client/Server(客户机/服务器)结构,都通过UDP通讯,采用重传确认机制以确保接收
A. 对
B. 错
【判断题】
RARP协议的作用是寻找网络设备的硬件地址。
A. 对
B. 错
【判断题】
RC903-V35FE1的AIS红色闪烁表示远端E1接收到全“1”AIS告警(仅在E1成帧时有效)
A. 对
B. 错
【判断题】
RC903-V35FE1的LOS红色常亮表示远端E1接收信号丢失LOS告警(仅在E1成帧时有效)
A. 对
B. 错
【判断题】
RD4000 接收机可以直接储存测试数据
A. 对
B. 错
【判断题】
REG的作用是完成多条线路信号和多条支路信号的交叉。
A. 对
B. 错
【判断题】
R-LOS 告警与开销字节无关只是与输入的信号质量有关。
A. 对
B. 错