【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
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答案
B
解析
暂无解析
相关试题
【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
【单选题】
Which vSphere 6 Enterprise Edition feature will allow an organization to ensure that critical multi-threaded applications have the maximum possible uptime? ___
A. Fault Tolerance
B. High Availability
C. Distributed Resource Scheduler
D. App HA
【单选题】
An administrator has a virtual machine that requires four times the compute resources than other virtual machines on the same ESXi 6.x host. How should the administrator configure the virtual machine settings, in order to be prepared for any resource contention? ___
A. Set the shares of the priority virtual machine to High and the rest to Low.
B. Set the shares of the priority virtual machine to High.
C. Set the shares of the priority virtual machine to High and the rest to Normal.
D. Set the shares of the priority virtual machine to Normal and the rest to Low.
【单选题】
Which type of Adapter does not require vmkernel networking? ___
A. Independent Hardware iSCSI Adapter
B. Dependent Hardware iSCSI Adapter
C. Software iSCSI Adapter
D. Software FCoE Adapter
【单选题】
During the installation of ESXi 6.0, the following error message is reported: Hardware Virtualization is not a feature of the CPU, or is not enabled in the BIOS. Which condition would generate this message? ___
A. LAHF/SAHF is not enabled in the BIOS.
B. NX/XD is not enabled in the BIOS.
C. SSE3 is not enabled in the BIOS.
D. Hyperthreading is not enabled in the BIOS.
【单选题】
An administrator is unable to login to vCenter Server when using the vSphere web client. The administrator successfully accessed vCenter Server using the client earlier the same day. What is the most appropriate first step the administrator should take to resolve this issue? ___
A. Verify the web browser being used has Adobe Flash plugin version 11.5 or later
B. Verify the vCenter Single Sign-On service is running on the vCenter Server
C. Verify the vSphere Web Server service is running on the vCenter Server
D. Verify the administrator has permissions configured in vCenter Server
推荐试题
【多选题】
【多选题】系统消息( )包含小区重选相关的其他系统邻小区信息。
A. SIB6
B. SIB8
C. SIB5
D. SIB7
【多选题】
【多选题】在LTE的QoS属性中,QCI中包括哪些参数?( )
A. 最大比特率
B. 延时
C. 业务优先级
D. 误包率
【多选题】
【多选题】Initial UL/DL BWP.Additional UL/DL BWP.SUL BWP均由哪三部分配置组成?( )
A. bwp-Common
B. bwp-Uplink?
C. bwp-id
D. bwp-Dedicated
【多选题】
【多选题】5G小区子载波间隔SCS包括( )
A. 120
B. 240
C. 30
D. 15
E. 60
【多选题】
【多选题】下面属于5G NR上行链路reference signal的是:( )。
A. Phase-tracking reference signals for PUSCH
B. Sounding reference signal
C. Demodulation reference signal for PUSCH
D. Demodulation reference signal for PUCCH
【多选题】
【多选题】通常测试直放站系统质量的仪表有: ( ).
A. 光功率计
B. TEMS
C. 频谱仪
D. Sitemaster
【多选题】
【多选题】下面关于P-CSCF说法正确的是?( )
A. 将终端的请求路由到正确的I-CSCF或者S-CSCF
B. UE使用动态或者静态配置的方式获得P-CSCF的地址
C. IMS中用户在信令平面的第一个联系节点
D. 所有的SIP信令,无论是来自用户设备(UE),还是发送给UE的,都必须经过P-CSCF
【多选题】
【多选题】室分系统中采用以下传输模式:( )
A. TM7
B. TM4
C. TM2
D. TM3
【多选题】
【多选题】Mapinfo可以基于以下哪种格式的基站信息表生成站点图层?( )
A. dbf
B. txt
C. csv
D. xls
【多选题】
【多选题】SRB (Signalling Radio Bearers)是专门用来传输RRC和NAS消息的,Rel-8 36.331中定义的SRB类型有:( )
A. SRB3
B. SRB2
C. SRB0
D. SRB1
【多选题】
【多选题】优化的基本方法( )
A. 功率调整
B. 天线高度调整
C. 重选.切换参数调整
D. 调整下倾角和方向角
E. 各制式特性配置
【多选题】
【多选题】如果发生乒乓切换的频率比较高,调大以下哪些参数可以改善?( )
A. Report On Leave
B. Time to Trigger
C. Threshold
D. Hysterisis
【多选题】
【多选题】切换三部曲为( )。
A. 执行
B. 测量
C. 判决
【多选题】
【多选题】射频系统主要由CRFU或RRU组成,其主要功能描述正确的是( )。
A. 由射频系统将调制好的射频信号有效地发射出去,并接收移动台信号
B. BTS通过射频系统接收GPS系统或GLONASS系统的信号,进行无线同步
C. 在前向链路,完成已调制发射信号的上变频和功率放大,对发射信号进行滤波,以满足相应的空中接口规范
D. 在反向链路,对基站天线接收信号进行滤波以抑制带外干扰,然后进行低噪声放大.分路.下变频和信道选择性滤波
【多选题】
【多选题】下列有关测量触发事件说法正确的是( )。
A. B1指的是异系统的邻小区的信号质量大于门限值
B. A4指的是邻小区的信号质量大于门限值
C. A1指的是服务小区的信号质量大于门限值
D. A2指的是服务小区的信号质量大于门限值
【多选题】
【多选题】弱覆盖的应对措施有哪些?( )
A. 新增基站
B. 增加天线挂高,更换高增益天线
C. 增强参考信号功率
D. 调整天线方位角和下倾角
【多选题】
【多选题】在NB-IoT技术中,UE可实现的有( )。
A. 同一时刻,UE只允许使用控制面优化或用户面优化一种模式
B. 支持控制面优化流程
C. 和网络协商NB-IoT能力
D. 支持上行速率控制
【多选题】
【多选题】以下属于5G网元UPF的功能是( )。
A. 上行业务类型识别,路由到相应数据网络
B. 分组路由及转发
C. 下行数据缓冲.发起数据到达的通知
D. 业务转发的配置
【多选题】
【多选题】 CDMA系统中,移动台通过登记通知基站自己的位置.状态.识别等,登记发生在以下哪些过程中?( )
A. 切换过程中
B. 呼叫过程中
C. 开.关机
D. 空闲状态
【多选题】
【多选题】常见的IP网络结构有如下哪些类型( )?
A. 树型组网
B. 环型组网
C. 星型组网
D. 总线型组网
【多选题】
【多选题】MIB块里包含下列( )信息
A. PLMN信息
B. 系统帧号
C. 下行系统带宽
D. PHICH配置信息
【多选题】
【多选题】SIB4包含以下哪些?( )
A. 同频邻小区信息
B. 小区重选相关的服务频率和
C. 公共和共享信道信息
D. 包含ETWS辅助通知
【多选题】
【多选题】在Google Earth中创建的点.线可以另存为哪种格式的文件?( )
A. KML
B. TXT
C. TAB
D. KMZ
【多选题】
【多选题】统计切换过程用户面中断时间需要考虑哪几方面因素?( )
A. 可区分intra-eNinter-eNinter-RAT等。
B. 可区分有竞争冲突和无竞争冲突两种随机接入模式。
C. 可区分配置天线是单天线和双天线。
D. 可区分有data forwarding 和没有data forwarding 两种。
【多选题】
【多选题】造成速率低原因有哪些?( )
A. 弱覆盖
B. 测试终端异常
C. SINR较差
D. 频繁切换
E. FTP异常
【多选题】
【多选题】下述对网规网优工程师职责描述正确的是哪几项?( )
A. 进行每周例行工作:参数核对
B. 处理并分析路测数据和OMC统计数据。
C. 检查和解决所有相关的告警。
D. 提供如覆盖.掉话.接入等网络性能问题的解决方法。
【多选题】
【多选题】PDCP层的主要功能包括::( )。
A. 执行安全机制
B. IP包头压缩和解压缩
C. 数据与信令的加密
D. 丢弃无效数据
【多选题】
【多选题】下列哪些技术属于VOLTE的关键技术?( )
A. eSRVCC
B. SIP&SDP
C. 半持续调度
D. 头压缩
【多选题】
【多选题】NB–IoT上行子载波带宽有哪几种选择?( )
A. 7.5KHz
B. 3.75KHz
C. 15KHz
D. 180 KHz
【多选题】
【多选题】为了达到涵盖范围延伸(Coverage Enhancement, CE),定义了三种等级CE Level,分别对抗最大耦合损失(Maximum Coupling Loss, MCL)为( ).( ).( )信号能量衰减。
A. 144dB
B. 134dB
C. 154dB
D. 164dB
【多选题】
【多选题】 天线增益的单位有( )。
A. dBi
B. dBm
C. dB
D. dBd
【多选题】
【多选题】关于LTE的帧结构(FDD)下列说法正确的是( )。
A. PBCH之间的间隔为80ms
B. PSS和SSS在第0号子帧和第5号子帧发送
C. 以上答案都正确
D. 每个子帧又分为2个slot
E. PSS和SSS占用载频中央62个子载波
【多选题】
【多选题】测量配置中的报告配置包括哪两部分?( )
A. 报告格式
B. 上报准则
C. 测量标识
【多选题】
【多选题】以下哪些参数不是MME从HSS中获取的EPS QoS参数( )。
A. MBR
B. ARP
C. GBR
D. UE-AMBR
E. APN-AMBR
F. QCI
【多选题】
【多选题】A3和A5事件的判决条件相同的参数有:( )。
A. Off
B. Thresh
C. Ocn
D. Hys
【多选题】
【多选题】服务小区与EUTRAN系统内邻区关系有( )
A. 相邻
B. 邻小区被包含于本小区
C. 同覆盖
D. 邻小区包含本小区
【多选题】
【多选题】与业务无关RRC连接建立包括( )
A. 紧急呼叫
B. RRC重建
C. 系统间小区重选
D. 注册
【多选题】
【多选题】以下哪些措施可以帮助解决Intra-LTE的乒乓切换问题( )
A. 调整小区个性偏移
B. 调整eventA5的判决门限
C. 增加Hysteresis
D. 增加timetotrigger
E. 增加滤波因子,避免信号测量值变动过快
F. 增加eventA3Offset
【多选题】
【多选题】以下哪些是5G典型业务?( )
A. 虚拟现实
B. 移动在线游戏
C. 云存储
D. 智能家居控制
【多选题】
【多选题】从一个SS/PBCH block,UE至少可以获取如下哪些信息?( )
A. OFDMsymbol index
B. Periodicityof SS burst set
C. slot indexin a radio frame
D. radioframe number