【多选题】
In order for a company to meet regulatory requirements, all ESXi 6.x Hosts must be configured to direct logs to a syslog server. What are two ways ESXi hosts can configured for this action? (Choose two)___
A. Use the esxcli system syslog command.
B. Edit them in the ESXi host Advanced System Settings.
C. From the Syslog collector user interface of the Web Client.
D. Syslog logging is not available for
E. SXi Hosts.
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相关试题
【多选题】
Which three actions can be executed when an alarm is triggered? (Choose three.)___
A. Send an email.
B. Send an SNMP trap.
C. Run a script or command.
D. Run an Orchestrator workflow.
E. Send a trigger to syslog.
【多选题】
An administrator is attempting to power on a virtual machine, but is unable to do so. Which two reasons are probable causes of the failure? (Choose two.)___
A. Storage access to the virtual machine swap file has been lost.
B. One of the virtual machine VMDK files is locked.
C. Virtual machine is running CentOS 7.0 64-bit.
D. Virtual machine has Hyper-Threading enabled.
【多选题】
An administrator has configured a host profile so that ESXi 6.x hosts will point to the corporate NTP server for time synchronization. The NTP server is located at 10.0.30.213, but time has not been synchronized properly across the ESXi hosts. The administrator reviews Host Profile settings as shown in the Exhibit. Which two steps are required to resolve the issue? (Choose two.)___
A. Correct the NTP server IP address.
B. Check the host for host profile compliance.
C. Remediate the host based on the updated host profile.
D. Change the NTP server to the FQDN as IP Addresses are not supported.
【多选题】
An administrator is attempting to migrate a large Hadoop virtual machine using vMotion. The administrator notices a delay when the machine is quiesced. The Hadoop virtual machine is processing many transactions a second to an in-memory database. Which two actions would help reduce the amount of time needed to perform a vMotion on this virtual machine? (Choose two.)___
A. Use multiple NICs for the vMotion vmkernel port.
B. Use a 10Gbps Network card for the vMotion vmkernel port.
C. Add an additional management network to help transmit the data quicker.
D. Disable Fault Tolerance before performing the vMotion.
【多选题】
An administrator is installing a new network card in an ESXi 6.x host that is part of a vSphere cluster. When the host is placed into maintenance mode, the vSphere Web Client displays the progress bar at 2% for over 30 minutes. Which two are likely reasons for this occurrence? (Choose two.)___
A. Maintenance mode is unable to migrate all virtual machines from the host.
B. There is a large number of virtual machines that must be migrated from the host.
C. VMware High Availability is in the process of reconfiguring the cluster.
D. Each virtual machine on the
E. SXi host must be reconfigured to recognize the new adapter.
【多选题】
Which two events happen when Distributed Resource Scheduler (DRS) is disabled? (Choose two.)___
A. The cluster's resource pool heirarchy and affinity rules are re-established when DRS is turned back on.
B. The cluster's resource pool hierarchy and affinity rules are not re-established when DRS is turned back on.
C. The cluster's resource pools are removed from the cluster.
D. The cluster's resource pools are removed from the cluster and assigned to the hosts.
【多选题】
Which two networking connection types can be configured on a virtual switch? (Choose two.)___
A. Virtual machine portgroups
B. VMkernel services (such as NFS, iSCSI, or vMotion) to the physical network
C. Web services over the Management Network
D. NFS and FCoE storage services
【多选题】
An administrator creates a DRS cluster of eight ESXi 6.x hosts. There are 10 virtual machines balanced across the hosts. An attempt to place the first host into maintenance mode fails. What are two reasons that the host failed to enter maintenance mode? (Choose two.)___
A. The DRS cluster Automation Level is set to Partially Automated mode.
B. One of the virtual machines on the ESXi Host entering maintenance mode is configured with a DRS Host affinity rule Should run on hosts in group.
C. One of the virtual machines on the ESXi Host entering maintenance mode is configured with a DRS Host affinity rule Must run on hosts in group.
D. One of the virtual machines on the
E. SXi Host entering maintenance mode is configured with an individual Automation Level set to Partially Automated.
【多选题】
When modifying a vApp, which two vSphere entities can be added? (Choose two.)___
A. A resource pool
B. A network pool
C. A vApp
D. A folder
【多选题】
From which two locations in the inventory hierarchy can you deploy a virtual machine using a template? (Choose two.)___
A. Directly from the template.
B. From a compute resource.
C. From an existing virtual machine.
D. From a Datastore.
【多选题】
A company has decided to implement Virtual SAN within their vSphere 6.x environment. The Virtual SAN cluster will be composed of three ESXi 6.x hosts that are on the Virtual SAN Ready Node list. Each ESXi host includes: <Two SAS Controllers that support Passthrough Mode> < Four Solid State Drives (SSDs) 1TB in size each> <20 SAS Magnetic Disks (MDs) 1TB in size each> <The SSDs and MDs are evenly split between the two SAS controllers>. The company will pilot a Virtual SAN cluster utilizing VMware best practices while maximizing storage capacity. The Virtual SAN cluster will use Manual Mode. Which two Disk Group configurations would meet the stated configuration requirements? (Choose two.)___
A. 4 disk groups with 1 SSD and 5 MDs each
B. 2 disk groups with 1 SSD and 7 MDs each
C. 2 disk groups with 2 SSDs and 7 MDs each
D. 2 disk groups with 1 SSD and 10 MDs each
【多选题】
A physical Windows 2008 R2 Server is converted to a virtual machine using VMware vCenter Converter. Upon completion of the conversion and subsequent power on operation, the virtual machine fails to boot and the message below is observed in the Console of the virtual machine: <STOP 0x0000007B INACCESSIBLE_BOOT_DEVICE>. Which two potential issues may be causing this boot failure? (Choose two.)___
A. An incorrect SCSI controller was selected during conversion.
B. Incompatible software drivers were migrated into the virtual machine from the source machine.
C. The vmdk file backing the virtual machine was thick provisioned.
D. A snapshot was taken immediately after the conversion completed.
【多选题】
An administrator is configuring the Failover Order option on a vSphere Distributed Switch. Which two options should be used with IP-hash load balancing? (Choose two.)___
A. Active Uplinks
B. Standby Uplinks
C. Unused Uplinks
D. Override Failover Order
【多选题】
An administrator is configuring the Maximum Transmission Unit value on a vSphere Distributed Switch. Which two options are typical values for ESXi networking? (Choose two.)___
A. 1492
B. 1500
C. 9000
D. 9089
【多选题】
Which two configurable options apply to both virtual machine CPU and memory allocation? (Choose two.)___
A. Reservation
B. Shares
C. Resource Pool
D. Reserve All
【多选题】
When attempting to power on a Virtual Machine you observe the following error: <Cannot open the disk '/vmfs/volumes/volume/vm/vm-000002.vmdk' or one of the snapshot disks it depends on.> Which three actions will be the best solutions to address this problem? (Choose three.)___
A. Verify that the virtual machine's disk files are present.
B. Investigate the host and virtual machine log files.
C. Verify the vmdk descriptor files and if required, recreate them.
D. Delete the disk file preventing the power on operation.
E. Migrate or register the virtual machine to a different host.
【多选题】
An administrator has been tasked with enabling High Availability ___ on a cluster in a vSphere 6.x environment with default settings. The cluster configures properly and there are no errors. The next day when powering on a virtual machine, an error is presented: <Not Enough Failover Resources>. Which three scenarios are likely causes of this error message? (Choose three.)(CDE)
A. The default VM Monitoring Sensitivity is set too high.
B. There are not enough datastore heartbeat datastores configured by default.
C. The default slot size in the cluster is set too high.
D. There are virtual machines with large CPU reservations.
E. A host is in maintenance mode for a replacement of a failed Hard Drive.
【多选题】
vMotion can be performed between which three physical boundaries? (Choose three.)___
A. Between two vCenter Server Systems
B. Between two vSphere Distributed Virtual Switches
C. Between two vCenter Server Datacenter objects
D. Between two VMware NSX Layer 4 segments
E. Between two NFS datastores
【多选题】
An administrator configures vSphere Replication for a virtual machine and enables multiple point in time (PIT) instances under the recovery settings in the Configure Replication wizard. Which two statements are correct for vSphere Replication with multiple point in time instances enabled? (Choose two.)___
A. vSphere Replication retains a number of snapshot instances of the virtual machine on the target site based on the retention policy that you specify.
B. vSphere Replication uses the virtual machine's snapshot instances to define the target site Point in Time instance based on the retention policy that you specify.
C. vSphere Replication does not support virtual machines with snapshots.
D. vSphere Replication supports virtual machines with snapshots.
【多选题】
An administrator is virtualizing a physical application server and adding it to an existing multi-tiered vApp. The application license is currently tied to the physical NIC's MAC address, so the administrator needs to ensure the license will function properly in the virtual machine. Which two actions can the administrator take to satisfy this task? (Choose two.)___
A. Set the MAC address for the vNIC in the guest operating system.
B. Install the physical server's NIC into the ESXi host.
C. Configure the MAC address for the vNIC using the vSphere Web Client.
D. Assign the physical server NIC's MAC address in the vSphere Distributed Switch.
【多选题】
Which two Fibre Channel zoning options are supported with vSphere 6.x? (Choose two.)___
A. Single-Initiator
B. Single-Initiator-Single-Target
C. Multiple-Initiators-Single-Target
D. Multiple-Initiators-Multiple-Targets
【多选题】
An administrator is attempting to remove an ESXi 6.x host from a vSphere Distributed Switch (vDS). When the administrator attempts to remove the host, the following error is observed: <The resource '16' is still in use.> What three steps are needed to successfully remove the host from the switch? (Choose three.)___
A. Select Manage Ports on the vDS for the host.
B. Locate all ports currently in use on the vDS for the host.
C. Migrate or delete any vmkernel or virtual machine adapters associated with the switch.
D. Remove all network cards from the switch before trying to remove the host.
E. Create a standard switch for everything to be automatically be migrated to.
【多选题】
Which two Virtual SAN related actions might start resynchronization of virtual machine objects? (Choose two.)___
A. Editing a virtual machine storage policy to increase the number of replicas.
B. Editing a virtual machine storage policy to reduce the number of replicas.
C. Editing a virtual machine storage policy to increase the number of disk stripes.
D. Editing a virtual machine storage policy to reduce the number of disk stripes.
【多选题】
An administrator is troubleshooting basic network connectivity issues. Which two scenarios are potential issues that this administrator might face? (Choose two.)___
A. The vSwitch is not attached to the correct physical network.
B. The portgroup is not configured to use correct VLAN.
C. Traffic shaping is configured incorrectly.
D. Jumbo frames is configured incorrectly.
【多选题】
Which three items should be validated prior to installing ESXi 6.x? (Choose three.)___
A. Remote Storage has been disconnected.
B. Installation media is available.
C. Server hardware clock is set to UTC.
D. Storage has been partitioned with a VMFS volume.
E. Network cards have been setup to use Jumbo
F. rames.
【多选题】
An administrator is performing an interactive installation of ESXi 6.x. Which three options are available for installation? (Choose three.)___
A. DVD
B. USB
C. PXE
D. Scripted
E. Auto Deploy
【多选题】
After installation of a host in your test environment, you need to move it to production. The only major change that needs to be made is that the hostname of the server needs to change. What are two ways that an administrator can change the host name without editing configuration files on the host directly? (Choose two.)___
A. Login to the Direct Console User Interface and change it from here.
B. Edit the Default TCP/IP Configuration from the vSphere Web Client.
C. Use the Ruby vSphere Client to send a script to the ESXi host that updates the hostname.
D. Update the information in DNS and the
E. SXi host will automatically update with these changes.
【多选题】
An administrator has unsuccessfully attempted several times to install an Operating System inside a virtual machine. The administrator finds that the installation fails at random intervals. Which two actions can be taken to resolve this issue? (Choose two.)___
A. Verify the md5sum and if invalid, download the installation files again.
B. Attempt the installation an additional time.
C. Attempt to use a different installation media or installation method.
D. Create a new virtual machine and attempt the installation with the existing media.
【多选题】
VMware tools is failing to install on a Microsoft Windows virtual machine. What are two possible situations that would prevent the installation? (Choose two.)___
A. The VMware tools installation media is corrupt.
B. The incorrect Operating System was selected in the virtual machine options.
C. The software prerequisites have not been installed.
D. The prerequisite services have not been started.
【多选题】
As part of a multisite Single Sign-On (SSO) deployment what two steps are required to ensure that a change to one Single Sign-On instance is propagated to the other instances? (Choose two.)___
A. Schedule a Replication Task on the primary instance
B. Select the first instance during the installation of subsequent instances
C. During the installation of each instance choose Linked-Mode
D. Enable Synchronize to Active Directory on each instance
【多选题】
You need to add an object to an existing vApp using the vSphere Web Client. How is this accomplished?___
A. Create an Object Inside the vApp.
B. Add an Object to a vApp.
C. Add an Object to the
D. atastore the vApp is located in.
【多选题】
Which three steps must be taken to use vSphere Update Manager 6.x to upgrade an ESXi 5.5 host to vSphere 6.x? (Choose three.)___
A. Download an ESXi Image.
B. Configure the vSphere Update Manager Download Service.
C. Create a baseline and attach it to the ESXi Host.
D. Scan the vCenter Content Library for the
E. SXi Image.
【多选题】
Which two options would allow a database administrator, with no access to the vSphere infrastructure, to connect to a virtual machine? (Choose two.)___
A. Use the Virtual Machine Remote Console (VMRC).
B. Use Remote Desktop Protocol (RDP) to connect.
C. Ask the vSphere administrator to grant permission to access the console through vCenter Server.
D. Ask the vSphere administrator to grant permission to access with the Horizon View Direct Connect Client.
【多选题】
Which three are architecture components of vRealize Operations? (Choose three.)___
A. Identity Server
B. Administrative Server
C. Analytics Server
D. Database Server
E. Connection Broker
【单选题】
金克拉金克拉撒旦蒂萨里大儿童家爱丽丝打开就撒开绿灯技术的（）
A. 手动阀手动阀
B. 撒旦
C. 反对法
D. 第三方
【单选题】
金克拉金克拉撒退热贴开绿灯技术的（）
A. 是否
B. 阿斯顿
C. 撒旦
D. 感到反感
【单选题】
而非热舞法国会开绿灯技术的（）
A. 撒的
B. 热个股分化
C. 返回
D. 而我认为
【单选题】
十大富豪不给发货返回返回返回（）
A. dfdfgd
B. 梵蒂冈梵蒂冈
C. 广泛大概
D. 热
【多选题】
马克思主义哲学所讲的静止是指___
A. 运动的一种特殊形式
B. 绝对不动
C. 排斥运动
D. 事物处于量变状态
E. 事物在特定参考系中未发生位置变动
【多选题】
物质和运动的关系是___
A. 运动是物质的固有属性
B. 物质是运动的承担者
C. 运动是物质的存在方式
D. 运动不一定是物质的运动
E. 物质不一定都在运动
推荐试题
【单选题】
成功的冲突管理可以大大提高团队生产力并促进积极的工作关系，以下关于冲突的叙述中，不正确的是___
A. 一般来说，冲突是一个团队的问题，而不是某人的个人问题
B. 冲突的解决应聚集问题
C. 冲突的解决应聚焦在过去，分析冲突造成的原因
D. 冲突是自然的，而且要找出一个解决办法
【单选题】
管理项目干系人参与过程的主要作用是___。
A. 限制干系人参与项目
B. 鼓励干系人参与项目
C. 提升干系人对项目支持
D. 与干系人进行沟通
【单选题】
以下关于合同管理的叙述中，不正确的是___
A. 合同管理主要包括合同签订管理，合同履行管理，合同变更管理和合同档案管理
B. 有多重因素会导致合同变更，例如范围变更，成本变更，质量要求的变更甚至人员变更都可能引起合同的变更甚至重新签订
C. 公平合理是合同变更的处理原则之一
D. 合同一般要求采用计算机打印文本，手写的旁注和修改等同样具有法律效力
【单选题】
根据合同违约管理的有关规定，以下叙述中，不正确的是___
A. 承建单位有质量问题的，监理单位可要求承建单位无偿返工整改，由此造成逾期交工的，承建单位应赔偿逾期违约金
B. 承建单位出现严重违约，监理单位应该采取善后措施，不能终止合同
C. 因不可抗力导致项目费用增加和延期，由建设单位和承建单位协商解决
D. 在不可抗力事件结束后的约定事件内，承建单位应有监理单位通报受害情况及预计清理和修复费用
【单选题】
实施采购过程中往往需要综合采用多种办法，来保证采购能够顺利进行。___不属于实施采购过程中需要用到的方法和技术。
A. 投标人会议
B. 自制/外购分析
C. 独立估算
D. 采购谈判
【单选题】
采购过程需要进行控制，以发现采购计划与实施采购过程中的偏差。以下关于采购控制叙述中，不正确的是___。
A. 控制采购过程中是买方需要做的，卖方不需要控制采购
B. 控制采购是管理采购的关系，监督合同执行情况，并根据需要实施的变更和采取纠正措施的过程
C. 控制采购过程中可通过绩效评估，预测卖方未来项目执行能力
D. 控制采购需要进行财务管理工作
【单选题】
软件文档分为___三类
A. 需求分析文档 设计文档 编码文档
B. 开发文档 产品文档 维护文档
C. 项同文档 产品文档 培训文档
D. 开发文档 产品文档 管理文档
【单选题】
配置项的状态可分为草稿___修改三种，下图体现了配置项的状态变化。
【单选题】
配置控制与变更包含着几个重要的任务，变更申请，变更评估，通报评估结果，变更实施，变更验证，与确认，变更发布等。其中变更实施的主要负责人一般是___
A. CCB
B. 项目经理
C. 配置管理员
D. QA
【单选题】
公司任命小李作为项目A的项目经理，由于小李不能计划所有不测事件，它设立了一个应急储备，包括处理已知或未知风险的事件，资金或资源。这属于___
A. 风险回避，用应急储备避免风险的发生
B. 风险接受，用应急储备接受风险的发生
【单选题】
规划风险应对是针对项目目标，制订提高机会，降低威胁的方案和措施的过程。___不是规划风险应对的工具与技术。
A. 应急应对策略
B. 概率和影响矩阵
C. 专家判断
D. 消极风险或威胁的应对策略
【单选题】
在以下基于配置库的变更控制的图示中，①应为___
【单选题】
控制风险是在整个项目中实施风险应对计划，跟踪已识别风险，监督残余风险，识别新风险，以及评估风险过程有效性的过程。___不属于控制风险时使用的工具与技术。
A. 变差和趋势分析
B. SWOT分析
C. 技术绩效测量
D. 风险审计
【单选题】
___is a paradigm for enabling network access to a scalable and elastic pool of shareable physical or virtual resources with self-service provisioning and administration on-demand.
A. VPN
B. Big data
C. Cloud computing
D. Cyber-physical System
【单选题】
Unlike more traditional embedded systems, a full-fledged CPS is typically designed as a ___of interacting elements with physical input and output instead of as standalone devices.
A. system
B. mechanism
C. net
D. network
【单选题】
The ___ plan is aiming to integrate the Internet with traditional industries, and fuel economic growth.
A. Internet Plus action
B. Internet action
C. Web Plus action
D. Net Plus action
【单选题】
In order facilitate configuration and change management, manual or automated tools may be used. Tools selection should be based on the needs of the ___.
A. project manage
B. CCB members
C. Project stakeholders
D. Project Management Office(PMO)
【单选题】
Human resource management is the management of human resources. It is function in organization designed to maximize employee ___ in service of an employer’s strategic objectives.
A. work
B. job
C. scope
D. performance
【单选题】
以下关于信息的质量属性的叙述中，不正确的是___
A. 完整性，对实物状态描述中的全面程度
B. 可验证性，信息的来源，采集方法，传输过程是符合预期的
C. 安全性，在信息的生命周期中，信息可以被非授权访问的可能性
D. 经济性，信息获取，传输带来的成本在可以接受的范围之内
【单选题】
2013年9月，工业与信息化部会同国务院有关部门编制了《信息化发展规划》，作为指导今后一个时期加快推动我国信息化发展的行动纲领没在《信息化发展规划》中，提出了我国未来发展的指导思想和基本原则。以下关于信息化发展的叙述中，不正确的是___
A. 信息化发展的基本原则是：统筹发展、有序推进、需求牵引、市场导向、完善机制、创新驱动、加强管理、保障安全
B. 信息化发展的主要任务包括促进工业领域信息化深度应用，包括推进信息技术在工业领域全面普及，推动综合集成应用和业务协调创新等
C. 信息化发展的主要任务包括推进农业农村信息化
D. 目前，我国的信息化建设处于开展阶段
【单选题】
电子商务不仅包括信息技术，还包括交易原则、法律法规和各种技术规范等内容，其中电子商务的信用管理，收费及隐私保护等问题属于___方面的内容。
A. 信息技术
B. 交易规则
C. 法律法规
D. 技术规范
【单选题】
商业智能描述了一系列的概念和方法，通过运用基于事实的支持系统来辅助制定商业决策，商业智能的主要功能不包括___
A. 数据使用培训(数据使用方法论的创建，宣贯和实施落地)
B. 数据ETl(数据的抽取，转换和加载)
C. 数据统计输出(统计报表的设计和展示)
D. 数据仓库功能(数据存储和访问)
【单选题】
智慧城市建设参考模型包括有依赖关系的5层结构对见识有约束关系的3个支撑体系，5层结构包括物联感应层、通信网络层、计算与储存层、数据及服务支撑层、智慧应用层；3个支撑体系除了建设和运营管理体系，安全保障体系之外还包括___
A. 人员自愿调配体系
B. 数据管理体系
C. 标准规范体系
D. 技术研发体系
【单选题】
信息技术服务标准(ITSS)所定义的IT服务四个核心要素是：人员、流程、资源和___
A. 技术
B. 工具
C. 合作伙伴
D. 持续改进
【单选题】
在移动互联网的关键技术在，___是页面展示技术。
A. SOA
B. Web Service
C. HTML5
D. Android
【单选题】
根据《关于信息安全等级保护改造的实施意见》的规定，信息系统受到破损后，会对社会秩序和公共利益造成较大的损害，或者对国家安全造成损害，该信息系统应实施___的信息安全保护
A. 第一级
B. 第二级
C. 第三级
D. 第四级
【单选题】
___不是结构化的分析方法的图形工具
A. 决策树
B. 数据流图
C. 数据字典
D. 快速原型
【单选题】
以下关于软件需求分析和软件设计的叙述中，不正确的是___
A. 需求分析可以坚持和解决需求之间的冲突，并发现系统的边界
B. 软件设计是根据软件需求，产生一个软件内部结构的描述，并将其作为软件构造的基础
C. 需求分析是为了评价和改进产品质量，识别产品缺陷和问题而进行的活动
D. 软件设计是为了描述软件架构及相关组件之间的接口
【单选题】
在面向对象得概念中，类是现实世界中实体的形式化描述，类将该实体的___和操作封装在一起
【单选题】
以下关于数据仓库的叙述中，正确的是___
A. 数据仓库主要用于支持决策管理
B. 数据仓库的数据源相对比较单一
C. 存放在数据仓库中的数据一般是实时更新的
D. 数据仓库为企业的特定应用服务、强调处理的响应时间，数据的安全性和完整性等
【单选题】
在OSI七层协议中，___主要负责确保数据可靠，顺序，无错的从A点传输到B点
A. 数据链路层
B. 网络层
C. 传输层
D. 会话层
【单选题】
以下关于网络规划，设计与实施工作的叙述中，不正确的是___
A. 在设计网络拓扑结构时，应考虑的主要因素有：地理环境，传输介质与距离以及可靠性
B. 在设计主干网是，连接建筑的主干网一般考虑以光缆作为传输介质
C. 在设计广域网连接方式时，如果网络用户有WWW，E-mail等具有Internet功能的服务器，建议采用ISDN活ADSL等技术连接外网
D. 在很难不限的地方或者经常需要变动布线结构的地方，应首先考虑使用无线网络接入
【单选题】
___一般不属于机房建设的内容
A. 消费者监控安装调试
B. 三通一半
C. 网络设备安装调试
D. 空调系统安装调试
【单选题】
济和社会中的重要性进行了级别规划。以下关于级别划分的叙述中，正确的是___
A. 电子信息系统机房应划分为ABC三级，A级最高
B. 电子信息系统机房应划分为ABC三级，C级最高
C. 电子信息系统应划分为T1、T2、T3、T4四级，T1最高
D. 电子信息系统应划分为T1、T2、T3、T4四级，T4最高
【单选题】
以下关于计算机病毒与蠕虫的特点比较的叙述中，正确的是___
A. 在传染机制中，蠕虫是通过主要程序运行的
B. 为系统打补丁，能有效预防蠕虫，但不能有效预防病毒
C. 在触发机制中，蠕虫的触发者是计算机使用者
D. 蠕虫和病毒都是寄生模式生存
【单选题】
大数据储存技术首先需要解决的是数据海量化和快速增长需求，其次处理格式多样化的数据，谷歌文件系统(GFS)和Hadoop的___奠定了大数据存储技术的基础。
A. 分布式文件系统
B. 分布式数据库系统
C. 关系型数据库系统
D. 非结构化数据分析系统
【单选题】
在云计算服务类型中,___向用户提虚拟数据的操作系统，数据库管理系统，Web应用系统等服务。
A. IaaS
B. DaaS
C. PaaS
D. SaaS
【单选题】
在物联网的关键技术中，射频识别(RFID)是一种___
A. 信息采集技术
B. 无线传输技术
C. 自组织组网技术
D. 中间件技术
【单选题】
与例行工作相比，项目具有更明显的特点。其中___是指每一个项目都有一个明确的开始时间和结束时间。
A. 临时性
B. 暗示性
C. 独特性
D. 渐进明细
【单选题】
项目目标包括成果性目标和___目标，后者也叫管理性目标。
A. 建设性
B. 约束性
C. 指导性
D. 原则性
