【单选题】
判断题在磁体内部,磁力线的方向是由极到达极。___
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相关试题
【单选题】
判断题倒闸操作先在一次系统模拟图上模拟操作,模拟操作完毕后,应检查操作票上所列项目的操作是否正确。___
【单选题】
判断题当电路发生短路或严重过负荷时,熔断器能自动切断故障电路,从而使电器设备得到保护。___
【单选题】
判断题临时遮栏设置在可能发生人体接近带电体的巡视通道和检修设备的周围。___
【单选题】
单选题在电阻并联的电路中,电路的电流等于___。
A. 各并联支路电流的平均值
B. 各并联支路的电流
C. 各并联支路的电流之
【单选题】
单选题高压开关柜巡视检查项目包括开关柜的___所在位置正确。
【单选题】
判断题三相交流对称电路中,如采用三角形接线时,线电流等于相电流的根号倍。___
【单选题】
判断题中小容量高压电容器普遍采用零序电流保护作为相间短路保护。___
【单选题】
判断题所谓绝缘防护,是指绝缘材料把带电体封闭或隔离起来,借以隔离带电体或不同电位的导体,使电气设备及线路能正常工作,防止人身触电。___
【单选题】
判断题高压熔断器在及以上供电网中被广泛应用。___
【单选题】
判断题重复接地的接地电阻要求小于Ω。___
【单选题】
判断题大小不随时间变化的电流称为直流电流。___
【单选题】
人对世界的认识正确的表述是。___
A. 人对世界的认识是有限的，人类不可能认识全部世界；
B. 人对世界的认识是无限的，任何人都可以认识全部世界；
C. 对于具体时代、具体个人来说，人所达到的认识是有限的，但随着人类实践的发展，人类的认识能力和认识发展是无限的；
D. 人对世界的认识无所谓有限和无限。
【单选题】
宇宙大爆炸是指
A. 宇宙早期曾经经历过一段高温度高密度并持续膨胀的过程
B. 发生在宇宙中的超新星爆炸现象
C. 宇宙中发生的各种核爆炸现象
【单选题】
地球上昼夜更替的原因是---造成的。
A. 地球自转
B. 地球公转
C. 月亮遮挡太阳
【单选题】
月亮的圆缺是由于----造成的
A. 地球的遮挡
B. 月球的自转
C. 月球的公转
【单选题】
地球上看不到月球背面的原因是-----
A. 月球的自转周期和绕地球的公转周期相等
B. 地球公转
C. 月亮遮挡
【单选题】
地球上有一年四季的原因是----
A. 地球自转轴倾斜
B. 地球与太阳之间距离远近的
C. 太阳表面温度变化
【单选题】
彗星在民间被称为扫帚星，彗星的尾巴实际上是------
A. 水蒸气和尘埃
B. 彗星与地球大气摩擦产生的现象
C. 流星
【单选题】
日食是由于--造成的
A. 地球自转
B. 地球公转
C. 月亮遮挡太阳
【单选题】
民间传说中的天狗食月，实际上指以下哪种天文现象
【单选题】
根据地震波的探测，地球最外层平均厚度约100千米的范围带有弹性的坚硬岩石层，成为岩石圈，其范围是指---
A. 地壳
B. 地壳和软流层
C. 地壳和上地幔
D. 地壳和上地幔顶部
【单选题】
判断一种观点对错的根本标准为----
A. 圣人之言
B. 前任经验
C. 众人意见
D. 社会实践
【单选题】
下面关于计量单位的描述错误的是-------
A. 飞机每小时大约飞行800千米
B. 课桌高约70厘米
C. 两袋水泥约重100千克
D. 一光年是365天
【单选题】
从事易燃易爆作业的人员应穿
A. 以防静电危害
B. 防油污工作服
C. 含金属纤维的棉布工作服
D. 普通工作服
【单选题】
下面哪项不是农村环境污染物的主要来源
A. 人畜粪便、污水
B. 农药、化肥不科学使用
C. 秸秆
【单选题】
控制病虫草害的农业措施包括种子消毒、清洁田园、合理灌水、合理施肥
A. 喷剧毒农药
B. 焚烧秸秆
C. 合理轮作和间作
【单选题】
食品安全的准确含义应包括食品的----
A. 质量安全
B. 质量安全和数量安全
C. 质量安全、数量安全和可持续安全
【单选题】
环境等同于生态吗？
A. 是，环境与生态含义相同
B. 是，环境的局部好坏必然意味着生态的整体改善
C. 不是，应当区分环境与生态
【单选题】
客观规律是。___
A. 事物和现象之间的直接的、表面的可能性联系；
B. 事物和现象之间的外在的、偶然的间接性联系；
C. 事物和现象之间的人为的、形式的、表象的联系；
D. 事物运动过程中本身所固有的内在的、本质的、必然的稳固性联系。
【单选题】
什么是中国传统文化？下面表述准确的是。___
A. 是指从历史上沿传下来的民族文化；
B. 是中华民族创造的具有中国民族特色的文化；
C. 是指以汉族为主体、多民族共同组成的中华民族在漫长的历史发展过程中创造的特殊文化体系；
D. 中国传统文化即儒家文化。
【单选题】
对待传统文化的正确态度是。___
A. 老祖宗留下的东西都是精华，全部继承；
B. 传统的东西都是糟粕，全部抛弃；
C. 对我有用的就保留，没有用的就摒弃；
D. 批判继承，推陈出新。
【单选题】
世界是可以被认识的，一个的过程过程
A. 感觉_知觉-表象
B. 概念-判断_推理
C. 理论_实践_理论
D. 实践_认识_实践
【单选题】
常见的推理方法有：___
A. 归纳
B. 演绎
C. 类比
D. A+B+C。
【单选题】
科学精神的内涵十分丰富，以下选项对科学内涵描述错误的是。___
A. 追求认识的真理性，坚持认识的客观性和辩证性，是科学精神的首要特征；
B. 崇尚理性思考，敢于批评，是科学精神的突出特点；
C. 以创新为灵魂，以实践为基础，是科学精神的内在要求；
D. 科学精神与人文精神属于两个不同的范畴，二者没有关系。
【单选题】
科学研究讲求实证，一项科学实验结果在期刊公开发表后，如果难以被同行科学家重复，同行科学家可以。___
A. 对该实验结果提出质疑；
B. 公开要求期刊编辑辞职；
C. 直接宣布该实验结果无效；
D. 无条件接受该实验结果。
【单选题】
关于科学研究的基本过程和方法，以下哪一论述是错误的。___
A. 化学家凯库勒梦见一条吞食自己尾巴的蛇，从中悟出了苯环的分子结构，可见灵感和顿悟在科学发现十分重要；
B. 在进行新药试验时，为了有利于推广应用，可以适当夸大新药的疗效；
C. 在科学研究中，机遇往往偏爱那些有准备的人；
D. 随着科学的发展，新的观察发现有可能对流行的理论提出挑战。
【单选题】
对拟成为实验对象的人，以下哪项是不正确的。___
A. 实验应该在受试者完全知情同意、在没有任何压力和欺骗的情况下进行；
B. 必须使参加实验的人员知情，要将实验的目的、方法、预期的好处、潜在的危险等信息公开，使其理解并回答他们的疑问；
C. 对缺乏或丧失自主能力的受试者，由家属、监护人或代理人代表；
D. 已参加实验的受试者，没有撤消其承诺的权利。
推荐试题
【单选题】
What new feature was introduced to the Content Library in vSphere 6.5?___
A. Mount an ISO directly from the Content Library.
B. Deploy a virtual machine from an OVF Package in a Content Library.
C. Upload a File from a URL to a Library Item.
D. Upload a File from a Local System to a Library Item.
【单选题】
How can an administrator exclude Encryption rights from a support engineer?___
A. Clone the role Virtual machine power user, remove Cryptographic operations privileges.
B. Clone the role Administrator and assign to the support engineer.
C. Clone the role Virtual machine power user and assign to the support engineer.
D. Clone the role No cryptography administrator and select privileges only for the support engineer.
【单选题】
The administrator must back up a vCenter HA deployment. Which component must be backed up?___
A. Passive node
B. Witness node
C. External database
D. Active node
【单选题】
What is the supported protocol to perform remote L3 traffic monitoring in vSphere 6.5?___
A. VXLAN
B. ERSPAN
C. RSPAN
D. SPAN
【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
B. 4 vCPUs, 16 GB RAM
C. 2 vCPUs, 10 GB RAM
D. 4 vCPUs, 10 GB RAM
【单选题】
Which port is used for communication between ESXi and vSphere Data protection?___
A. 80
B. 443
C. 902
D. 22
【单选题】
What can prevent Storage DRS from functioning on a datastore?___
A. The datastore is configured for Virtual Machine Swapfile location.
B. The datastore is shared across multiple datacenters.
C. The datastore is connected to a host that is running Storage I/O Control.
D. Storage DRS advanced option IgnoreAffinityRulesForMaintenance is set to 1.
【单选题】
When troubleshooting VMware vCenter Server issues, when logging level provides maximum detail?___
A. Verbose
B. Trivia
C. Info
D. Error
【单选题】
What new feature is introduced in NFS 4.1 on ESXi 6.5?___
A. IPv6
B. KRB5i
C. AUTH_SYS
D. Storage DRS
【单选题】
What configuration option would ensure that a virtual NUMA topology is defined on VMs having more than eight virtual CPUs?___
A. cupid.coresPerSocket
B. numa.vcpu.followcorespersocket
C. numa.vcpu.maxPerVirtualNode
D. numa.vcpu.min
【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
D. 12 TB
【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
D. vSphere Web Client
【单选题】
Which port is used for vSphere HA agent-to-agent communication?___
A. 443
B. 8182
C. 22
D. 902
【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
C. export-upgrade-runner.log
D. vcdb_export.out
【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
D. datastore
【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.
B. DRS will balance VMs when Network I/O Control is enabled.
C. DRS will place VMs on initial boot for hosts that have network utilization lower that the threshold.
D. DRS will vMotion VMs when network utilization is higher than the threshold on a particular host.
【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?___
A. vmreconfig.pl
B. hostinfo.pl
C. ks.cfg
D. boot.cfg
【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.
B. Power off VM1.
C. Power on and power off VM1.
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.
B. Configure the right subnet.
C. Create a custom IP Stack.
D. Define a dedicated gateway for the iSCSI vmkernel.
【单选题】
To prevent possible failures or issues during a vSphere upgrade, which component should be upgraded first?___
A. ESXi Hosts
B. virtual machines
C. datastores
D. vCenter Server
【单选题】
What is the command for updating an ESXi host?___
A. esxcli software vib update –d /vmfs/volumes/Datastore/DirectoryName/PatchName.zip
B. esxupdate software update –d”/vmfs/volumes/Datastore/DirectoryName/PatchName.zip”
C. esxcli software update –d “/vmfs/volumes/Datastore/DirectoryName/PatchName.zip”
D. esxupdate software vib update –d /vmfs/volumes/Datastore/DirectoryName/PatchName.zip
【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?___
A. GST_ND[x]
B. OVD_ND[x]
C. NRMEM
D. NHN
【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?___
A. Use an Intra-VM Anti-Affinity Rule.
B. Configure a storage DRS VM override.
C. Disable storage
D. RS for the VMs.
【单选题】
What is the VMware-recommended way to move a physical adapter out of Network I/O Control’s scope?___
A. Set the teaming policy to “Route Based on Physical NIC Load.”
B. Add the vmnic to the Net.NetNiocAllowOverCommit parameter in Advanced System Settings.
C. Add the vmnic to the Net.IOControlPnicOptOut parameter in Advanced System Settings.
D. Move the vmnic to a different vmUplink port on the Distributed Switch.
【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
B. Power off.
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.
C. User 1 will have access to the virtual machine console.
D. User 1 will have console access only via the vSphere Web Client.
【单选题】
Which statement is true regarding the use of VMFS3 datastores with vSphere 6.5?___
A. VMFS3 datastores can be used but not created.
B. VMFS3 datastores can be neither used nor created.
C. VMFS3 datastores will be present but unmounted.
D. VMFS3 datastores can be created and used.
【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.
B. VM5 cannot be powered on.
C. VM6 cannot be powered on.
D. VM3 cannot be powered on.
【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.
B. Reduced consumption of extra CPU cycles.
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.
