【判断题】
在16‰及以上的长大下坡方向，单机（不含单机挂车）在区间动力制动故障时司机立即停车，列车调度员组织向上坡方向运行，返回车站等待附挂回送。（行规第138条）
A. 对
B. 错
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相关试题
【判断题】
司机接到地震停车通知后，尽量避开高堤深堑、隧道、长大桥梁等处所，并报告车站值班员（列车调度员）停车位置，旅客列车需通知列车长、车辆乘务员（随车机械师）。（行规第138条）
A. 对
B. 错
【判断题】
列车运行途中，遇CIR故障无法通话时，司机应立即使用GSM-R手持终端或无线对讲设备报告列车调度员（车站值班员），如GSM-R手持终端及无线对讲设备也不能进行通话时，司机应在前方站停车报告。（行规第145条）
A. 对
B. 错
【判断题】
司机在运行中发现本线或邻线接触网上搭挂异物时，需根据异物情况判断对行车的影响，视情况采取停车或降弓等措施，并将异物地点和影响（不影响、降弓通过和降弓不能通过）按“信息上报”报告。（行规第158条）
A. 对
B. 错
【判断题】
列车到达摘机后，机车停留位置距车列不得小于50m；不足50m或影响使用固定脱轨器时，列检人员应在机车后部钢轨上设置防护信号并通知司机，机车不得后退。（行规第164条）
A. 对
B. 错
【判断题】
运行中机车空气压缩机故障，制动主管压力满足定压标准时，副司机应立即检查处理，司机应根据制动主管压力变化情况选择有利地形停车处理；自阀已减压制动时，立即缓解列车制动。（标准第68条）
A. 对
B. 错
【单选题】
下列关于广义的移动电子商务说法正确的是___。
A. 不涉及旅游.紧急救助.农业.金融.学习和商业运营等行业
B. 是一种只涉及货币类交易的商务模式
C. 通过移动终端(如手机.平板电脑和PDA等)进行商品或服务交易的商务类活动
D. 通过移动设备随时随地获得一切服务
【单选题】
关于移动通信的特点，下列说法错误的是___。
A. 移动通信必须利用无线电波进行信息传输
B. 移动通信可利用的频谱资源无线
C. 移动通信的移动性强
D. 移动通信工作在复杂的干扰环境下
【单选题】
关于移动操作系统，下列说法错误的是___。
A. Android(安卓)是Google于2009年11月5日宣布的基于Linux平台的开源手机操作系统
B. iOS的系统架构分为4个层次：核心操作系统层.核心服务层.媒体层和可轻触层
C. Windows10是微软为桌面电脑.手机和平板电脑开放的开发的跨平台操作系统
D. iPhone OS是由苹果公司为iPhone开发的操作系统。
【单选题】
关于移动支付体系，下列说法错误的是___。
A. 机银行是货币电子化与移动通信业务的结合，以无线通信技术为手段
B. NFC支付也称为近场支付，是指消费者在购买商品或服务时，即时采用NFC技术通过手机等手持设备完成支付
C. 手机钱包主要用于支付，但不需要需要建立一个额外的移动支付账户
D. 二维码支付是一种基于账户体系搭起来的新一代无线支付方案
【单选题】
关于虚拟货币，下列说法错误的是___。
A. 封闭型虚拟货币仅可以在虚拟社区中获得及使用，也可以通过现实货币购买
B. 双向型虚拟货币不仅可以通过现实货币购买获得，也可以将其兑换为现实货币，比如比特币( Bitcoin)
C. Q币是腾讯公司推出的一种单向型虚拟货币，用户可以使用人民币购买
D. 比特币的账户仅是一串没有规律的字符，不实名，一个用户可以拥有多个比特币账户
【单选题】
下列关于第三代移动商务价值链说法不正确的是___。
A. 出现了基于多媒体数据的服务，如彩信.游戏.高速网络接入等
B. 服务内容主体从单一的语音转向数据多媒体内容
C. 参与者发生了变化，有了门户和接入服务商.支持性服务提供商的介入
D. 最具代表性的服务是短信服务
【单选题】
下列关于C2B的描述错误的是___。
A. C2B是消费者发起的需求，更加贴近生产
B. C2B模式的典型应用是用户个性化定制
C. C2B的核心是消费者角色的变化
D. C2B模式不适宜作为具有庞大资源和用户的综合性平台的组件
【单选题】
下列关于微信支付规则说法错误的是___。
A. 绑定银行卡时，需要验证持卡人本人的实名信息
B. 微信号绑定后实名信息可以更改
C. 一个微信号只能绑定一个实名信息
D. 一个微信账号中的支付密码只能设置一个
【单选题】
下列关于共享物流说法错误的是___。
A. 回收利用不属于物流资源的共享
B. 从本质上来讲，共享物流就是共享物流资源
C. 线上和线下的有机结合使得共享物流得到了飞速发展
D. 共享物流实现的关键是标准化
【单选题】
下列关于射频识别技术说法错误的是___。
A. 射频识别又称为电子标签.无线射频识别
B. 射频识别可通过无线电信号识别特定的目标并读写相关数据
C. 射频识别需要在系统与特定目标之间建立机械或光学接触
D. 广泛应用于商品销售扫描.自动库存管理.商品流通检查等领域
【单选题】
下列关于云物流的说法错误的是___。
A. 云物流对物流信息进行了很好的集成
B. 物流终端用户直接管理物流的中间过程
C. 云物流帮助物流企业进行业务重构
D. 云物流帮助中小物流企业快速提升服务能力
【单选题】
下列哪一项不属于无人机配送的优势___。
A. 无人机在空中飞行线路为直线，距离最短，几乎无视地形，没有传统快递配送的运输路线局限性
B. 运营成本较低，节省人力和时间成本
C. 适用于小批量，高频次运输
D. 不适合偏远地区和紧急件的派送
【单选题】
关于移动APP开发，下列说法错误的是___。
A. 可以参考人口统计学标准.价值观标准.用户对技术及APP应用本身的观点来划分目标用户群体，使得产品的定位清晰
B. 概念设计的直接目的是生成概念产品，它是一系列有序的.可组织的.有目标的设计活动
C. 原型是一种让用户提前体验产品.交流设计构想.展示复杂系统的方式
D. 移动APP开发不需要有清晰的盈利模式
【单选题】
基于Android的移动APP开发，开发者应该具备的知识体系不包括___。
A. IOS SDK 框架
B. Unix/Linux平台技术
C. Java 语言核心技术
D. Android应用开发基础
推荐试题
【单选题】
A vSphere content library administrator is attempting to unpublish the content library, but the option is grayed out as shown in the Exhibit. Which statement identifies the reason for not being able to unpublish? ___
A. The content library is optimized for syncing over HTTP.
B. A synchronization operation is in progress with this content library.
C. There are active subscriptions on this content library.
D. Underlying storage for this content library is not accessible.
【单选题】
Assuming a mirrored (RAID-1) object configuration, how many hosts must contribute storage in a non-stretched VMware vSAN cluster to satisfy the “Number of failures to tolerate” policy option?“n” is the desired “Number of failures to tolerate” value for all options.___
A. 2n+2
B. 2n
C. 2n+1
D. 3n
【单选题】
An administrator must change the statistics level for short-term performance monitoring and wants to collect metrics for all counters, excluding minimum and maximum rollup values. What would be the statistics level?___
A. Level 3
B. Level 1
C. Level 2
D. Level 4
【单选题】
In a vSphere environment, two resource pools are created as shown in the Exhibit. Each VM is configured with 1 GB of memory. When the administrator tried to power on VM3, the operation failed. What action in the resource pool settings will allow VM3 to power on successfully?___
A. Deselect Expandable Memory Reservation
B. Increase Memory Reservation
C. Deselect Expandable CPU Reservation
D. Increase the CPU Reservation
【单选题】
Which network is used by vSphere HA when VMware vSAN is enabled?___
A. Management network
B. vSphere Replication network
C. vMotion network
D. VSAN network
【单选题】
Which statement is correct when migrating from a Windows vCenter Server to the vCenter Server Appliance 6.5?___
A. Migration deployments do not migrate local OS users from the source vCenter Server.
B. Migration deployments support DHCP on the source vCenter Server.
C. Migration deployments allow the source vCenter Server to remain powered on afterwards.
D. Migration deployments support custom ports for all services on the source vCenter Server.
【单选题】
How can failback of a recovered virtual machine in vSphere Replication be performed?___
A. No action required, because failback is automatically performed to the source site.
B. Configure a new replication in the reverse direction at the target site.
C. Disable or Stop the virtual machine replication on the source site.
D. Power off and unregister the virtual machine on the target site.
【单选题】
After upgrading the vSphere infrastructure and VMware Tools to version 6.5, the “Upgrade VM Compatibility” option is grayed out in the vSphere Web Client. (See Exhibit.) What must the administrator do to enable the VM compatibility upgrade?___
A. VMware Tools should be upgraded last.
B. Restart the ESXi server.
C. Uninstall VMware Tools.
D. Power off the virtual machine.
【单选题】
What availability mode does vCenter HA provide?___
A. Active-Passive
B. Active-Standby
C. Active-Active
D. Load-balanced
【单选题】
In which scenario will vSphere DRS balance resources when set to Fully Automated?___
A. Hosts with only shared storage
B. Hosts are part of a vSphere HA cluster
C. Power Management is set to Balanced on hosts
D. Hosts with shared or non-shared storage
【单选题】
What VMware technology can be used to move physical servers to the vSphere infrastructure?___
A. VMware vMotion
B. VMware Converter
C. VMware vCenter Server
D. OVF transport
【单选题】
Upgrading vCenter Server with Microsoft SQL database fails with the following error message: The DB User entered does not have the required permissions needed to install and configure vCenter Server with the selected DB. Please correct the following error(s): %sWhat could cause this error?___
A. incorrect ports open on SQL Server
B. incorrect database on the SQL server
C. incorrect compatibility mode on the SQL server
D. incorrect permission on SQL Server database
【单选题】
What is a potential downside of having more than four paths per datastore?___
A. limits the storage protocols
B. increases storage latency for VM
C. limits the path selection policies
D. limits the number of LUNs per host
【单选题】
Which feature facilitates the sharing of templates via vCenter Server?___
A. Content Library
B. OVF
C. folders
D. vApp
【单选题】
A vSphere Administrator is in the process of configuring replication for a virtual machine, but is not able to select the Recovery Point Objective (RPO) value of 5 minutes. Which statement could explain why the RPO value cannot be lower than 15 minutes?___
A. The OS quiescing option is selected for Replication options.
B. The virtual machine hardware version is not compatible.
C. The target and source sites use different types of datastores.
D. The target and source sites are not using VMFS 6.0 datastore.
【单选题】
What advanced parameter defines a custom isolation IP address for a vSphere HA cluster?___
A. das.usedefaultisolationaddress
B. das.isolationshutdowntimeout
C. fdm.isolationpolicydelaysec
D. das.isolationaddress
【单选题】
Which method is supported for backing up the virtual machine that contains vCenter Server?___
A. differential
B. incremental
C. full image
D. individual disks
【单选题】
A vSphere Administrator must ensure that a user is able to view and manage the system configuration in vSphere Web Client. In the vCenter Single Sign-On domain, which group should the user be a part of?___
A. SystemConfiguration.BashShellAdministrators
B. ComponentManager. Administrators
C. Administrators
D. SystemConfiguration.Administrators
【单选题】
What is the minimum number of hosts that must contribute capacity to a non-ROBO single site VMware vSAN cluster?___
A. 1
B. 64
C. 3
D. 2
【单选题】
Which guest operating system supports PVRDMA?___
A. Windows (32-Bit)
B. Linux (32-Bit)
C. Windows (64-Bit)
D. Linux (64-Bit)
【单选题】
What is the correct way to replace the certificate on an existing vCenter Server that is part of a vCenter HA configuration?___
A. Put the vCenter HA in Maintenance mode, replace the certificate, exit Maintenance mode.
B. Shut down Passive and Witness nodes and replace the certificate on the Active node.
C. Remove the Passive and Witness nodes, replace the certificate, reconfigure the cluster.
D. Replace the certificate while all nodes are participating in the cluster.
【单选题】
The vSphere Data Protection performance analysis results in the “Conditionally Passed” status. What can cause this condition?___
A. The results did not meet the minimum performance expectations.
B. The read, write, and seek tests were successful.
C. The read and write tests were successful but the seek test failed.
D. The read and write tests were successful but the seek test skipped.
【单选题】
A vSphere Administrator wants to reserve 0.5 Gbps for virtual machines on each uplink on a disturbed switch that has 10 uplinks. What is the quota that should be reserved for the network resource pool?___
A. 10 Gbps
B. 5 Gbps
C. 100 Gbps
D. 0.5 Gbps
【单选题】
A vSphere administrator manages a cluster which includes critical and non-critical virtual machines. The cluster requires different permissions for contractors and non-contractors. How can the administrator exclude the contractor group from some of the critical VMs?___
A. Apply permission for both contractors and non-contractors on the cluster level.
B. Apply permission for both contractors and non-contractors on the cluster level. Remove permission on the critical VMs for contractors.
C. Remove permission for contractors on the cluster level. Apply permission on the critical VMs for noncontractors.
D. Apply permission for both contractors and non-contractors on the VMs. Remove permission on the critical VMs for contractors.
【单选题】
In an ESXi 6.5 cluster only "NFS datastore has running or registered virtual machines" returns. A vSphere HA cluster with four hosts has admission control configured to tolerate one host failure. Which statement is true if a fifth host is added?___
A. CPU and Memory capacity will be set to 50%.
B. CPU and Memory capacity will be set to 30%.
C. CPU and Memory capacity will be set to 25%.
D. CPU and Memory capacity will be set to 20%.
【单选题】
Which command can be run to troubleshoot connectivity problems with vmkernal network interfaces?___
A. esxcli network
B. vmkping
C. net-status
D. vicfg-vmknic
【单选题】
What counter should an administrator check to determine if a virtual machine is ballooning?___
A. swapinRate
B. vmmemctltarget
C. swapped
D. vmmemctl
