【单选题】
二进制数11001010转换为十进制数是
A. 203
B. 200
C. 202
D. 201
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答案
C
解析
暂无解析
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【单选题】
十进制数127转换为二进制数是
A. 1111111
B. 10000000
C. 11111110
D. 10000001
【单选题】
数100h是_进制数
A. 二进制
B. 十六进制
C. 八进制
D. 十进制
【单选题】
目前使用的计算机以_为主要的电子元器件
A. 超大规模集成电路
B. 电子管
C. 中小规模集成电路
D. 晶体管
【单选题】
市场上主流的独立显卡大都是_接口
A. PCI
B. PCI-
C. AGP
D. USB
【单选题】
现代计算机的基本工作原理是由美籍匈牙利科学家冯·诺依曼于_年首先提出的
A. 1946
B. 1956
C. 1966
D. 1976
【单选题】
负责计算机内部之间的各种算数运算和逻辑运算的功能,主要是由_实现的
A. CPU
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C. 内存储器
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【单选题】
下列选项中,不属于输入设备的是
A. 键盘
B. 鼠标
C. 扫描仪
D. 打印机
【单选题】
_的特点是存储容量大,读写速度快,密封性好,可靠性高,使用方便,有些软件只需在其上安装一次便能被长期使用
A. 内存储器
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【单选题】
_是最基本,最重要的系统软件,他负责管理计算机系统的全部软件资源和硬件资源,合理的组织计算机各部分协调工作,为用户提供操作和编程界面
A. 操作系统
B. 语言处理程序
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【单选题】
下列选项中属于网络接口的是
A. RJ-11接口
B. 1394接口
C. RJ-45接口
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【单选题】
任何程序都必须加载到_中才能被CPU执行
A. 磁盘
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【单选题】
键盘接口(PS/2)为6孔圆形插口,规定为_
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【单选题】
_是用于手机、数码照相机、笔记本电脑、MP3和其他数码产品上的独立存储介质
A. 内存条
B. 硬盘
C. 光盘
D. 储存卡
【单选题】
二、选择题 要使计算机连接到网络中,必须在计算机上安装
A. 交换机
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协议是 间的规则和标准。
A. 上下层
B. 不同系统
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在Intemet中,一个IP地址由 位二进制组成。
A. 16
B. 24
C. 32
D. 8
【单选题】
在下面给出的协议中,TCP/IP的应用层协议是
A. TCP和FTP
B. DNS利8MTP
C. RARP和DNS
D. IP 和 UDP
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下面 IP地址是合法的。
A. 220.202.199.018
B. 220.202.256.248
C. 202.230.261.105
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屏蔽双绞线电缆的电子屏蔽的好处是~
A. 减少信号衰减
B. 减少电磁辐射干扰
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D. 减少电缆的阻抗
【单选题】
在常用的传输介质中,带宽最高、信号传输衰减最小、抗干扰能力最强的传输介质是
A. 双绞线
B. 同轴电缆
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【单选题】
8. 一台计算机操作系统为Windows,已经连入了 Internet, 以下说法中唯一正确的是
A. .该计算机一定安装了调制解调器
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【单选题】
网络监听是
A. 远程观察一个用户的计算机
B. 监视网络的状态、传输的数据流
C. 监视计算机系统的运行情况
D. 监视一个网站的发展方向
【单选题】
关于拒绝服务攻击的说法正确的是
A. 用超出被攻击目标处理能力的海量数据包消耗可用系统、带宽资源等方法的 攻击
B. 英文全称是 Distributed Denial of Service
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【单选题】
1. 数据的( )包括线性结构、树状结构和图状结构等基本类型。
A. 存储结构
B. 逻辑结构
C. 基本运算
D. .算法描述
【单选题】
树状结构最适合用来表示
A. .有序数据元素
B. 无序数据元素
C. 元素之间具有分支层次关系的数据
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二叉树的第k层的结点数最多为 )。 A. 2*-1 B. 2~+1 C. 2~+1 D. 2*1
A. 2*-1
B. 2*+1
C. 2k-1+1
D. 2k-1
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在一个长度为n的顺序存储的线性表中,向第i个元素(1<i'n+1)位置插入一个 新元素时,需要从后向前依次后移 ( 个元素。
A. n-1
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C. n-i-1
D. i
【单选题】
下面关于线性表的叙述错误的是 ( )。
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B. 线性表采用链式存储不必占用一片连续的存储空间
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栈的插入和删除操作在( )进行。
A. 栈顶
B. 栈底
C. 任意位置
D. 指定位置
【单选题】
一个栈的输入序列为1,2,3,4,5,则下列序列中不可能是栈的输出序列的是
A. 2, 3, 4,1,5
B. 5,4,1,3,2
C. 2,3, 1,4,5
D. 1,5,4,3,2
【单选题】
以下数据结构中,( )是非线性结构。
A. 队列
B. 栈
C. 线性表
D. 二叉树
【单选题】
设某棵二叉树中有2000个结点,则该二叉树的最小高度为
A. 9
B. 10
C. 11
D. 12
【单选题】
设某棵二叉树的高度为10,则该二叉树上叶子结点最多有
A. 20
B. 256
C. 512
D. 1024
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“所有制崇拜”,其中冲破“计划经济崇拜”的关键事件是___
A. 中共十五大
B. 中共十二大
C. 中共十三大
D. 中共十四大
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习近平强调,___。我们要坚持把人民对美好生活的向往作为我们的奋斗目标,始终为人民不懈奋斗、同人民一起奋斗,形成竞相奋斗、团结奋斗的生动局面。
A. 新时代是创业者的时代
B. 新时代是奋斗者的时代
C. 新时代是职业者的时代
D. 新时代是科学家的时代
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中共中央办公厅印发《关于解决形式主义突出问题为基层减负的通知》,决定将 2019 年作为___。
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B. 基层干部减负年
C. 基层减负年
D. 基层工作减负年
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第 7 期《求是》杂志发表习近平的重要文章《关于坚持和发展中国特色社会主义的几个问题》。文章强调,___问题是关系党的事业兴衰成败第一位的问题。
A. 政治
B. 道路
C. 思想
D. 作风
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2019 年 4 月 30 日,习近平出席纪念五四运动 100 周年大会并发表重要讲话。他指出,五四运动孕育了以___为主要内容的伟大五四精神。
A. 爱国、进步、民主、科学
B. 爱国、进步、文明、发展
C. 团结、奋进、民主、科学
D. 团结、奋进、文明、发展
【单选题】
5 月 12 日是汶川地震 11 周年,时光虽逝,伤痕难愈,大地震带给我们诸多思考。经国务院批准,自 2009 年起,每年 5 月 12 日为全国___
A. 防灾减灾日
B. 地震预警日
C. 国家哀悼日
D. 感恩日
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6 月 16 日出版的第 12 期《求是》杂志发表习近平的重要文章《坚定文化自信,建设社会主义文化强国》。文章指出,___是更基础、更广泛、更深厚的自信,是更基本、更深沉、更持久的力量。
A. 文化自信
B. 道路自信
C. 制度自信
D. 理论自信
推荐试题
【单选题】
How can an administrator exclude Encryption rights from a support engineer?___
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B. Clone the role Administrator and assign to the support engineer.
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【单选题】
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【单选题】
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【单选题】
What are the minimum hardware requirements for a Windows vCenter Server with embedded PSC that manages a “Small” environment?___
A. 2vCPUs, 16 GB RAM
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【单选题】
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【单选题】
What can prevent Storage DRS from functioning on a datastore?___
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【单选题】
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【单选题】
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【单选题】
What configuration option would ensure that a virtual NUMA topology is defined on VMs having more than eight virtual CPUs?___
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【单选题】
What is the minimum disk space required to deploy vSphere Data Protection (VDP) with 8 TB configuration?___
A. 4 TB
B. 16 TB
C. 8 TB
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【单选题】
What advanced option for vSphere HA defines a maximum number of reset attempts by VMCP for a virtual machine?___
A. das.maxterminates
B. das.isolationshutdowntimeout
C. das.maxresets
D. fdm.isolationpolicydelaysec
【单选题】
What vSphere technology enables the administrator to ensure consistent configuration at scale?___
A. PowerCLI
B. Host Profiles
C. esxcli
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【单选题】
Which port is used for vSphere HA agent-to-agent communication?___
A. 443
B. 8182
C. 22
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【单选题】
Which log file would assist in identifying an issue that occurred during the database export phase of a vCenter Server upgrade process?___
A. vcdb_import.out
B. export.json
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【单选题】
Bidirectional CHAP is support by which storage initiator?___
A. software FCoE HBA
B. Fibre Channel HBA
C. independent hardware iSCSI HBA
D. dependent hardware iSCSI HBA
【单选题】
What is a pool of raw storage capacity that a storage system can provide to Virtual Volumes?___
A. protocol endpoint
B. storage container
C. storage provider
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【单选题】
vSphere 6.5 DRS is now Network-Aware. Based on network utilization, when will DRS balance VMs?___
A. DRS will balance VMs when a network resource pool is configured for VMs.
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【单选题】
A scripted upgrade of ESXi fails due to an incorrect parameter in the upgrade script. What file must the administrator modify to correct the problem?___
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【单选题】
A VM folder contains VM1 and VM2. Group A has permission to power on virtual machines, defined on the VM folder and its children. Group B has permission to power off virtual machine VM2. If a user is a member of group A and B, what action can the user perform?___
A. Suspend VM2.
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D. Power on and power off VM2.
【单选题】
The networking team has requested to have a dedicated network for iSCSI traffic. This task has been assigned to the vSphere Administrator. What is the VMware-recommended way to accomplish this?___
A. Configure Static Routes on each ESXi Server.
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【单选题】
To prevent possible failures or issues during a vSphere upgrade, which component should be upgraded first?___
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【单选题】
What is the command for updating an ESXi host?___
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【单选题】
A vSphere Administrator would like to identify which physical NUMA node their virtual machine is currently residing on. What esxtop metric would provide this information?___
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【单选题】
How can a vSphere administrator ensure that two virtual machines never run on the same datastore in a datastore cluster, while permitting the VMs to be load-balanced?___
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【单选题】
What is the VMware-recommended way to move a physical adapter out of Network I/O Control’s scope?___
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【单选题】
A VM folder contains VM1 and VM2. Group A has permission to power on virtual machines, defined on the VM folder and its children. Group B has permission to power off virtual machines, defined on the VM folder and its children. If a user is a member of Groups A and B, what will be the user’s effective permission on VM1 and VM2?___
A. Power on
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C. Power on and Power off.
D. Reset.
【单选题】
Group 1 is granted console interaction on a VM folder. User 1 is granted no console interaction on the same VM folder. What will be the outcome if User 1 tries to access the console of a virtual machine?___
A. User 1 will not be able to access the virtual machines in the VM folder.
B. User 1 will not have access to the virtual machine console.
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【单选题】
Which statement is true regarding the use of VMFS3 datastores with vSphere 6.5?___
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【单选题】
In the Exhibit, each VM has a 1GHz non-expandable reservation. If all VMs are powered on in sequence, what would be the outcome?___
A. VM4 cannot be powered on.
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【单选题】
vSphere 6.5 introduced MAClearning capabilities for VMware’s virtual switches. What three benefits will it provide? (Choose three.)___
A. Reduced memory consumption.
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C. Increased network throughput.
D. Prevent packet flooding inside the vSwitch.
【单选题】
What is the default pathing policy for most active-active arrays?___
A. Fixed
B. Most Recently Used
C. Dynamic
D. isk Morroring
【单选题】
Which command will show the iSCSI sessions on a ESXi 6.5 host?___
A. esxcli storage iscsi session get
B. esxcli iscsi session get
C. esxcli storage iscsi session
D. esxcli iscsi session list
【单选题】
Which of the following is not a parameter for traffic filtering or marking?___
A. virtual port ID
B. Protocol
C. Traffic Direction
D. DSCP value
E. Traffic redirection
【单选题】
A vSphere administrator wants to enable a virtual machine with Secure Boot, but in VM setting, Secure Boot option was not found under Boot Options. What could be the cause?___
A. The virtual hardware is not compatible.
B. The virtual machine has missing drivers.
C. The virtual machine OS does not support secure boot.
D. VMware Tools is not upgraded.
【单选题】
A virtual machine is connected on a distributed port group where the average bandwidth configured in the traffic shaping policy is 100 Mbps. The VM network adapter is configured with a reservation of 200 Mbps. What is the VM’s effective bandwidth?___
A. 200 Mbps
B. 100 Mbps
C. 150 Mbps
D. 400 Mbps
【多选题】
What are two reasons why a datastore in a Storage DRS cluster cannot enter maintenance mode?(Choose two.)___
A. Storage latency is too high to allow Storage DRS initiate Storage vMotion.
B. Storage DRS is configured for a VMFS3 datastore.
C. Storage
D. RS is disabled on the virtual disk.
【多选题】
What two methods are used to configure VMware vSphere Storage I/O Control shares and limits? (Choose two.)___
A. Assign shares and limits to VM virtual disks.
B. Assign shares and limits to datastores.
C. Assign shares and limits to Storage (DRS) clusters.
D. Assign shares and limits using VM storage policies.
【多选题】
ESXi 6.5 introduces VMFS6, which supports both 512e and 512n devices. What three configurations are supported when using these devices? (Choose three.) ___
A. Hosts with both 512e and 512n devices.
B. Storage vMotion between both 512e and 512n devices.
C. Datastore Extents spanned between both 512e and 512n devices.
D. Storage DRS clusters containing only both 512e and 512n devices.
【多选题】
A vSphere Administrator observes that the Primary VM configured with Fault Tolerance is executing slowly. After further investigation, it is determined that the Secondary VM is on an overcommitted ESXi host. What two methods will correct the problem? (Choose two.)___
A. Use Storage vMotion to migrate the Secondary VM to another datastore.
B. Use vMotion to migrate the Secondary VM to a different ESXi host.
C. Configure a CPU limit on the Primary VM which will also apply to the Secondary VM.
D. Turn off and turn on FT in order to recreate the Secondary VM on a different datastore.
【多选题】
Which two features require the use of Host Profiles? (Choose two.)___
A. Host Customizations
B. shared storage
C. Auto
D. eploy