【单选题】
WLAN is increasingly popular because it enables cost-effective ___ among people and applications that were not possible in the past.
A. line
B. circuit
C. connection
D. Interface
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答案
C
解析
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___is not included in the main contents of the operation and maintenance of the information system.
A. Daily operation and maintenance
B. System change
C. Security management
D. Business change
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In project time management, activity definition is the process of identifying and documenting the specific action to be performed to produce the project deliverables. ___are not output of activity definition.
A. Activity list
B. Work Breakdown Structures
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The customer asks your project to be completed 6 months earlier than planned.You think this target can be reached by-overlapping project activities. This approach is known as ___.
A. balance engjneering
B. fast-tracking
C. leveling
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The auditing function that provides feedback about the quality of output is referred to as ___.
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C. quality assurance
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信息的传输模型中包括信源、编码器、信道、解码器、信宿、噪声等要素。噪声主要对___形成干扰或影响。
A. 信源
B. 编码器
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以下关于信息化的叙述中,不正确的是___
A. 信息化的主体是程序员、工程师、项目经理、质量管控人员
B. 信息化是一个长期的过程
C. 信息化的手段是基于现代信息技术的先进社会生产工具
D. 信息化的目标是使国家的综合实力、社会的文明素质和人民的生活质量全面达到现代化水平
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我国现阶段信息化的主要任务不包括___
A. 新型工业化发展模式基本成熟
B. 加强信息资源的开发利用及提高信息产业竞争力
C. 提高国民信息技术应用能力,造就信息化人才队伍
D. 建设先进网络文化及国家信息安全安全保障体系
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信息化可分成产品信息化、企业信息化、产业信息化、国民经济信息化、社会生活信息化等不同层次。目前正在兴起的智慧城市、互联网金融等___的体现和重要发展发现。
A. 产品信息化
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C. 国民经济信息化
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以下关于我国现阶段电子政务建设的叙述中,不正确的是___
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在电子商务系统架构中,基础设施包括四个。其中___主要负责电子商务活动设计的各种信息,包括文字、语音、图像、视频等。
A. 网络基础设施
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C. 多媒体内容和网络出版的基础设施
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某网站提供电影票购买业务,消费者可以在网页上选择影院,影片,观影时间,座位,并可通过手机应用支付费用。该电子商务模式是___
A. B2C
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C. O2O
D. O2C
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以下关于智慧城市的理解中,恰当的是___
A. 智慧城市建设的关键是大量、有效地建设城市IT系统
B. 社会治安防控体系不是智慧城市顶层设计主要考虑的内容
C. 电子政务系统是智慧城市的组成部分,由于其特殊性,不鼓励电子政务系统向云计算模式迁移
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以下关于信息系统集成特点的叙述中,不正确的是___
A. 信息系统集成要以集成商利益最大化为根本出发点
B. 信息系统集成不只是设备选择和供应,它是具有高技术含量的工程过程,要面向用户需求提供全面解决方案
C. 系统集成的最终交付物是一个完整的系统而不是一个个分立的产品
D. 系统集成包括技术、管理和商务等工作,是一项综合性的系统工程
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运维的主要工作是保证系统的可用性和稳定性,以下关于运行维护的叙述中,不正确的是___。
A. ISO20000及GB/T 24405是运行维护工作可以参考的管理标准
B. ITSS国内自主知识产权的运行维护管理系统标准
C. 运行维护业务不能被视为系统集成业务的一部分
D. 基础设施的运维包括道路、水利设施、建筑物的维护、但其收入不能作为系统集成收入
【单选题】
ITSS规定了IT服务生命周期由5个阶段组成。“定期评审IT服务满足业务运营的情况,以及IT服务本身存在的缺陷”是在___阶段的工作内容。
A. 部署安施
B. 服务运营
C. 持续改进
D. 监督管耻
【单选题】
信息系统审计的目的是评估并提供反馈,保证和建议。其关注之处可分为3类,分别是___
A. 保密性、及时性、完整性
B. 可用性、及时性、准确性
C. 保密性、准确性、完整性
D. 可用性、保密性、完整性
【单选题】
信息系统的生命周期可以分为立项、开发、运维及消亡四个阶段、《需求规格说明书》在___阶段形成。
A. 立项
B. 开发
C. 运维
D. 消亡
【单选题】
以下关于软件需求分析、设计、测试与维护的叙述中,不正确的是___
A. 软件需求分析可以检测和解决需求之间的冲突,发现系统的边界,并详细描述系统需求
B. 软件设计可以划分为软件架构设计和软件详细设计两个阶段
C. 软件测试是在编码阶段完成后开始介入的
D. 软件维护指的是软件产品交付前和交付后需要提供的支持活动
【单选题】
以下关于对象、类和继承的叙述中,不正确的是___
A. 对象是系统中用来描述客观事务的一个模块,是构成系统的基本单位
B. 类是现实世界中实体的形式化描述
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D. 继承表示对象之间的层次关系
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基于组件的软件开发架构模式一般在___软件开发架构模式中使用
A. 管道-过滤器
B. 面向对象
C. 事件驱动
D. 客户/服务器
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以下关于数据仓库的叙述中,不正确的是___
A. 数据仓库是相对稳定的
B. 数据仓库是反映历史变化的数据集合
C. 数据仓库的数据源可能是异构的
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OSI参考模型将网络体系结构划分为七层,其中___的主要功能是将网络地址翻译成对应的物理地址,并决定路由。
A. 数据链路层
B. 网络层
C. 传输层
D. 会话层
【单选题】
无线网络技术已经成为当前的一种主流技术,并且呈现出快速演进的趋势,___属于4G无线网络技术的标准
A. WPAN
B. FDD-LTE
C. TD-CDMA
D. WMAN
【单选题】
以下关于当前主干网络的叙述中,不正确的是___
A. 主干网技术的选择,需要考虑网络规模、传输信息的种类和费用等多种因素
B. 主干网的可用性、可靠性要求很高
C. 主干网一般采用同轴电缆作为传输介质
D. 典型的主干网技术包括有100Mbps-FX以太网、1000Mbps以太网等
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随着互联网的发展,网络安全越来越受到人们的重视,其中能够鉴别什么样的数据包可以进出组织内部网络的安全技术成为___
A. 入侵检测
B. 防病毒软件
C. 安全审计系统
D. 防火墙
【单选题】
机房建设是系统集成工程中重要内容之一,___一般不属于机房建设的规范。
A. 楼宇自控
B. 消防
C. 网络设备安装调试
D. 空调系统安装调试
【单选题】
在大数据的关键技术中,数据抽取工作ETL是___过程主要使用的技术
A. 数据采集
B. 数据存储
C. 数据清洗
D. 数据分析
【单选题】
移动互联网的迅速普及除了归功于网络宽带的增加之外,还与丰富的应用有密不可分的关系。___技术使得Web应用不仅丰富,而且能够实现高度的互动,极大地改善了移动互联网用户的体验。
A. HTML5
B. Android
C. SOA
D. HTTPS
【单选题】
与组织日常的、例行的运营工作不同,项目具有些非常明显的特点。“没有完全一样的项目”体现了项目的___
A. 临时性
B. 独特性
C. 差异性
D. 系统性
【单选题】
组织文化和组织风格会对项目的执行产生深刻的影响,但具体来说在一个组织中,___对项目执行方式有很大的影响
A. 组织沟通
B. 组织文化
C. 组织管理
D. 组织结构
【单选题】
V模型是一种典型的信息系统项目的生命周期模型,它标明了测试阶段与开发过程各阶段的对应关系,其中___的主要目的是针对详细设计中可能存在的问题,尤其是检查各单位之间接口上可能存在的问题。
A. 单元测试
B. 集成测试
C. 系统测试
D. 验收测试
【单选题】
项目建议书是项目建设单位进行项目申请时提交的文件,其中“项目建设目标与主要内容建设”一般出现在项目建议书的___部分。
A. 项目建设单位概况
B. 项目建设必要性
C. 总体建设方案
D. 业务分析
【单选题】
项目立项包括:项目建议、项目可行性分析、项目审批、项目招投标、项目合同谈判5个阶段、___属于项目可行性分析阶段的内容
A. 编制立项申请
B. 编制项目建议书
C. 项目评估
D. 重新报批可研性
【单选题】
以下关于开标与评标的叙述中,不正确的是___
A. 评标委员会的数量为单数,其中技术、经济等方面专家人数不得少于成员总数的1/2
B. 招标人自收到评价报告之日起3日内公示中标候选人,公示期不得少于3日
C. 衣服必须进行招标的项目,招标人应该确定排名第一的中标候选人为中标人
D. 评标报告应当有评标委员会全体成员签字
【单选题】
以下关于项目章程的叙述中,不正确的是___
A. 项目章程描述了项目发起人或其他批准项目章程的人员姓名和职权
B. 项目章程规定了项目的总体目标,包括范围时间成本和质量等
C. 项目章程由项目发起人签发
D. 项目经理有权修改项目章程
【单选题】
引导技术是指团队领导者诱发团队成员积极参与活动的方法,来帮助团队和个人完成相关项目活动,___一般不作为引导技术在项目中应用
A. 专家判断
B. 头脑风暴
C. 冲突处理
D. 会议管理
【单选题】
以下关于项目管理计划的叙述中,不正确的是:___
A. 项日管理计划最重要的用途是指导项目执行,监控和收尾
B. 项目管理计划是自上而下制定出来的
【单选题】
在项目进行过程中,变更控制委员会要求项目必须采用市场上刚出现的一种新技术,并且要求按时交付,项目经理应该更新的第一份文件是___
A. 项目管理计划
B. 质量管理计划
C. 成本管理计划
D. 项目进度
【单选题】
项目整体变更控制管理的流程是:变更请求→___
A. 同意或否决变更→变更影响评估→执行
B. 执行变更→变更影响评估→同意或否决变更
C. 变更影响评估→同意或否决变更→执行
D. 同意或否决变更→执行→变更影啊评估
【单选题】
配置管理和变更管理是项目管理中非常重要的组成部分,二者相比,配置管理重点关注___。
A. 项目可交付成果及各个过程技术之间的匹配
B. 识别,记录对项目文件的更改
C. 批准或否决对项目文件的改变
D. 对项目可交付成果或基准变更的记录
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An attempt to delete NFS datastore from a ESXi host returns the error: Sysinfo error on operation returned the following status:< Busy> Which two statements could explain this failure? (Choose two.)___
A. NFS datastore is a part of Storage DRS Cluster.
B. NFS.VolumeRemountFrequency value is set to 30.
C. Storage I/O Control is enabled on NFS datastore.
D. NFS datastore has running or registered virtual machines.
【多选题】
An administrator finds that the Microsoft Exchange virtual machines are exhibiting network latency. What two in-guest changes can help decrease latency? (Choose two.)___
A. LRO
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C. SR-IOV
D. PVRDMA
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A. dependent hardware
B. in-guest
C. software
D. independent hardware
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Which two statements are true for NFS v4.1 firewall behavior? (Choose two.)___
A. It closes port 2049.
B. It sets allowed. All flag to TRUE.
C. It sets allowed. All flag to FALSE.
D. It opens port 2049.
【多选题】
A vSphere Administrator attempts to enable Fault Tolerance for a virtual machine but receives the following error: Secondary VM could not be powered on as there are no compatible hosts that can accommodate it. What two options could cause this error? (Choose two.)___
A. The other ESXi host(s) are in Maintenance Mode.
B. Hardware virtualization is not enabled on the other ESXi host(s).
C. The other ESXi host(s) are in Quarantine Mode.
D. Hardware MMU is enabled on the other
E. SXi host(s).
【多选题】
Storage capabilities be populated in what two ways? (Choose two.)___
A. The administrator can use tags to describe capabilities.
B. Default capabilities are provided by vCenter Server.
C. Datastores can advertise their capabilities through VAAI.
D. Datastores can advertise their capabilities through VASA.
【多选题】
In network troubleshooting it is important to know what upstream switch the ESXi host is connected to. Which two features does ESXi provide to help identify the upstream switch? (Choose two.)___
A. Promiscuous mode
B. DPM
C. LLDP
D. CDP
【多选题】
Virtual Volumes supports which three VMware features? (Choose three.)___
A. Instant Clones
B. Distributed Resource Scheduler
C. Linked Clones
D. vMotion
E. Storage Distributed Resource Scheduler
【多选题】
vSphere DRS helps to balance virtual machines with available resources in a vSphere cluster. What three types of resources can be taken into account for balancing? (Choose three.)___
A. CPU
B. physical NIC saturation of an ESXi host
C. virtual NIC saturation of a virtual machine
D. RAM
E. storage latency
【多选题】
Which three design requirements must be satisfied to enable RAID-6 objects in a VMware vSAN cluster? (Choose three.)___
A. vSAN Advanced license or higher
B. vSAN stretched cluster
C. at least six hosts contributing storage
D. deduplication and compression
E. all flash configuration
【多选题】
When using "Cluster resource percentage" for host failover capacity in vSphere HA Admission Control, the total resource requirements are calculated from which two values? (Choose two.)___
A. Total vCPUs assigned to each VM.
B. Average CPU usage on each VM over time.
C. Memory reservations on each VM.
D. Total memory assigned to each VM.
E. Average active memory on each VM over time.
F. CPU reservations on each VM.
【多选题】
Which are four attributes of the Active vCenter HA node? (Choose four)___
A. It uses the vCenter HA network to communicate with the Witness node.
B. It constantly replicates vPostgres data with the Witness node.
C. It uses a public IP address for the management interface.
D. It runs the active vCenter Server Appliance instance.
E. It uses the vCenter HA network for replication of data to the Passive node.
F. It provides a quorum to protect against split-brain situations.
【多选题】
Which are two vCenter Server two-factor authentication methods? (Choose two.)___
A. RSA SecurID
B. Smart Card
C. SAML
D. Symantec VIP
【多选题】
An administrator is creating VMkernel adapters on an ESXi 6.5 host and wants to create separate VMkernel adapters for every type of traffic in the default TCP/IP stack. Which three types of traffic can be explicitly enabled on a separate VMkernel adapter? (Choose three.)___
A. Virtual SAN traffic
B. NFS traffic
C. vMotion traffic
D. vSphere HA traffic
E. Fault Tolerance logging traffic
【多选题】
When migrating a Windows vCenter Server 6.0 to the vCenter Server Appliance 6.5, which two will be migrated by default? (Choose two.)___
A. Local Windows OS users and groups
B. Configuration
C. Custom ports
D. FQDN
E. Historical and Performance data
【多选题】
Which three types of Content Libraries exist within vSphere 6.5? (Choose three.)___
A. Remote Content Library
B. Published Content Library
C. Local Content Library
D. Shared Content Library
E. Subscribed Content Library
【多选题】
An administrator cannot enable multi-processor Fault Tolerance (SMP-FT) for a virtual machine. Which are two possible causes for this? (Choose two.)___
A. The virtual machine is running on a vSAN datastore.
B. The Fault Tolerance network is using a 10Gbit uplink.
C. The virtual machine has 6 vCPUs assigned.
D. The virtual machine has a 1TB VMDK attached.
E. The virtual machine has snapshots present.
【多选题】
Which two statements are true for Predictive DRS? (Choose two.)___
A. It balances resource utilization for virtual machines with unpredictable utilization patterns.
B. It integrates DRS with vRealize Operations Manager to balance workloads for virtual machines before resource utilization spikes occur.
C. It balances resource utilization based on a threshold's algorithm that runs each night.
D. It determines the best placement and balance of virtual machines based on a threshold's algorithm that runs each night in vCenter Server 6.5 Database.
【多选题】
Which two situations could cause a virtual machine to appear with (orphaned) appended to its name? (Choose two.)___
A. if a host failover is unsuccessful
B. if a virtual machine was removed from vCenter Server's inventory
C. if a virtual machine was deployed from template, and the template has been deleted
D. if a virtual machine is unregistered directly on the host
【多选题】
Which three requirements are needed to apply RAID 5 or RAID 6 erasure coding on a vSAN 6.2 or 6.5 object? (Choose three.)___
A. on Disk Format 3.0
B. Hybrid vSAN
C. All Flash vSAN
D. vSAN Advanced License
E. Stretched Cluster Configurations
【多选题】
An administrator sees the following error in the log files: Which two events could be the source of the error message? (Choose two.)___
A. vCenter Server failure
B. VXLAN failure
C. Disk array failure
D. Network failure
E. ESXi host failure
【多选题】
An administrator is attempting to access an ESXi host via the DCUI but is unable to do so. Which could be two possible causes? (Choose two.)___
A. The host in Qhas no out-of-band management capability (i.e. iLO/iDRAC).
B. The SSH service is disabled on the host.
C. Strict lockdown mode is enabled on the host.
D. Normal lockdown mode is enabled and the administrator is a member of the
E. xception User list.
【多选题】
Which two permissions are required to migrate a virtual machine with Storage vMotion? (Choose two.)___
A. Network > Move Network
B. Virtual Machine > Inventory > Move
C. Resource > Migrate powered on virtual machine
D. Datastore > Allocate Space
【多选题】
Which are three supported storage requirements for vCenter Server HA? (Choose three.)___
A. NFS
B. RDM
C. vSAN
D. VMFS
E. JBOD
【多选题】
Which are the two network requirements for a VMware vSAN 6.5 cluster? (Choose two.)___
A. Multicast must be enabled on the physical switches and routers that handle vSAN traffic.
B. vSAN requires IPv6 only.
C. All hosts must have a dedicated 40GbE NIC.
D. The vSAN network supported IPv4 or IPv6.
E. vSAN requires IPv4 only.
【多选题】
Which three prerequisites must be in place prior to enabling secure boot for a virtual machine? (Choose three.)___
A. VirtualMachine.Config.Settings privileges
B. an encrypted USB drive
C. Virtual Hardware version 13 or later
D. Virtual Hardware version 12 or later
E. EFI firmware
【多选题】
A user is given the "Virtual machine user (sample)" role in a vSphere 6.x environment. Which three permissions would the user be able to perform? (Choose three.)___
A. Reset a virtual machine.
B. Power on a virtual machine.
C. Move a host into a cluster.
D. Configure CD media.
E. Migrate a virtual machine with Storage vMotion.
【多选题】
Which three are supported upgrade processes for ESXi host? (Choose three.)___
A. using vSphere Auto Deploy
B. using a TFTP server
C. using Update Manager
D. using an
E. SXCLI command
【多选题】
When enabling Storage DRS on a datastore cluster, which three components are enabled as a result? (Choose three.)___
A. Space load balancing among datastore within the datastore cluster.
B. Initial placement for virtual disks based on space and I/O workload.
C. I/O load balancing among datastores within the datastore cluster.
D. Queue Depth alerting on disks within the datastore cluster.
E. Data de-duplication within the datastore cluster.
【多选题】
What are two features introduced in Network I/O Control version 3? (Choose two.)___
A. Bandwidth reservation per traffic type
B. Network resource pools
C. CoS tagging
D. Bandwidth guarantee to virtual machines
【多选题】
Which two correct virtual machine advanced configuration parameters will accomplish this? (Choose two.)___
A. isolation.device.edit.disable = “FALSE”
B. isolation.device.edit.disable = “TRUE”
C. isolation.device.connectable.disable = “FALSE”
D. isolation.device.connectable.disable = “TRUE”
【多选题】
Which three statements are correct regarding booting an ESXi Host from Fibre Channel SAN? (Choose three.)___
A. Direct connect topology is supported.
B. Each host must have its own boot LUN.
C. ESXi hosts do not require local storage.
D. Multipathing to a boot LUN on an active-passive array is supported.
E. Hosts can share one common boot LUN.
【多选题】
Which two tasks should a vSphere administrator perform if the vmkernel log reports VMFS metadata errors? (Choose two.)___
A. contact VMware technical support
B. reformat the datastore
C. check the device with VOMA
D. ignore the messages
【多选题】
Which two statements are true for a vCenterServer user account that is used for vSphere Data Protection (VDP)? (Choose two.)___
A. The user account must be assigned with Administrator role.
B. The password for the user account cannot contain spaces.
C. The user account should be created in the Single Sign-On domain
D. The user account cannot inherit required permissions from a group role.
【多选题】
Which three storage protocols are supported by Virtual Volumes? (Choose three.)___
A. FCIP
B. FCoE
C. iSCSI
D. NFS v3
E. NFS v4
【多选题】
A vSphere administrator observes a CPU spike on one of the web servers (view the Exhibit.) Which two statements can describe the cause of this activity? (Choose two.)___
A. The network packet size is too large.
B. VMware Tools is not installed.
C. Disk latency is present on the datastore.
D. The network packet size is too small.
【多选题】
Which three operations can cause VMFS metadata updates? (Choose three.)___
A. Restarting a VM using the guest OS.
B. Launching a VM console.
C. Migrating a VM with vMotion.
D. Powering a VM on or off.
E. Expanding a VMFS datastore.
【多选题】
*What two services run on all nodes in a vCenter Server HA cluster? (Choose two.)___
A. vmware-vmon
B. vmware-vpostgres
C. vmare-rbd-watchdog
D. vmware-vcha
【多选题】
Which two statements are true regarding Auto Deploy in version 6.5? (Choose two.)___
A. Auto Deploy can be configured and managed via PowerCLI.
B. Auto Deploy can be configured and managed via the vSphere Client.
C. Auto
D. eploy can be configured and managed via the vSphere Web Client.
【多选题】
What three options can improve network performance for a virtual machine? (Choose three.)___
A. MLD
B. TSO
C. NetFlow
D. LRO
E. SR-IOV