【判断题】
在消费者均衡点处，消费者所消费的各种商品的边际效用相等
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相关试题
【判断题】
对于一个厂商，如果产品的价格低于平均成本，就要停止营业
【填空题】
1、经济学研究三大基本问题即资源配置问题是：___，___，___。
【填空题】
2、人们常说的“多多益善”，从经济学的角度来说，是指随着所消费商品数量增多， ___增多。
【填空题】
3、随着产量增加，不断降低的成本是 ___ 成本。
【填空题】
4、人们常常用 ___衡量一个国家或地区的贫富程度，用 ___衡量收入贫富差距程度。
【填空题】
5、由于经济萧条而导致的失业属于___ 失业。
【填空题】
6、一个完全竞争企业，在短期利润最大化的产量点上，平均收益低于平均变动成本，那么这个企业会选择 ___。
【填空题】
7、在简单的凯恩斯模型中，若消费函数C=100+0.8y，则投资乘数为 ___ 。
【单选题】
《国务院办公厅关于保障城市轨道交通安全运行的意见》的文件号。___
A. 国办发〔2018〕12 号
B. 国办发〔2018〕13 号
C. 国办发〔2018〕14 号
D. 国办发〔2018〕15 号
【单选题】
_________、___________坚持以人民为中心的发展思想，把人民生命财产安全放在首位，不断提高城市轨道交通安全水平和服务品质。___
A. 预防为先，防处并举
B. 统筹协调，改革创新
C. 属地管理，综合治理
D. 以人为本，安全第一
【单选题】
_________、____________加强城市轨道交通规划、建设、运营协调衔接，加快技术创新应用，构建运营管理和公共安全防范技术体系，提升风险管控能力。___
A. 预防为先，防处并举
B. 统筹协调，改革创新
C. 属地管理，综合治理
D. 以人为本，安全第一
【单选题】
构建风险分级管控和隐患排查治理双重预防制度，加强应急演练和救援力量建设，完善应急预案体系，提升应急处置能力。___
A. 预防为先，防处并举
B. 统筹协调，改革创新
C. 属地管理，综合治理
D. 以人为本，安全第一
【单选题】
城市人民政府对辖区内城市轨道交通安全运行负总责，充分发挥自主权和创造性，结合本地实际构建多方参与的综合治理体系。___
A. 预防为先，防处并举
B. 统筹协调，改革创新
C. 属地管理，综合治理
D. 以人为本，安全第一
【单选题】
责，负责运营突发事件应对工作的指导协调和监督管理。___
A. 省级人民政府
B. 交通运输部
C. 公安部
D. 运营单位
【单选题】
准规范并监督实施。___
A. 省级人民政府
B. 交通运输部
C. 公安部
D. 运营单位
【单选题】
指导本辖区城市轨道交通安全运行，负责辖区内运营突发事件应对工作的指导协调和监督管理。___
A. 省级人民政府
B. 交通运输部
C. 公安部
D. 运营单位
【单选题】
承担安全生产主体责任，落实反恐防暴、内部治安保卫、消防安全等有关法规规定的责任和措施。___
A. 省级人民政府
B. 交通运输部
C. 公安部
D. 运营单位
【单选题】
强化技术标准规范对安全和服务的保障和引领作用，以保障 和 为重点，进一步修订完善城市轨道交通工程建设标准体系。___
A. 防范处置、设备配置
B. 运营安全、服务质量
C. 衔接高效、运行顺畅
D. 建设质量、安全运行
【单选题】
以 _________和_________ 为重点，建立健全城市轨道交通运营标准体系。___
A. 防范处置、设备配置
B. 运营安全、服务质量
C. 衔接高效、运行顺畅
D. 建设质量、安全运行
【单选题】
以_________ 和_________ 为重点，建立健全城市轨道交通反恐防暴、内部治安保卫、消防安全等标准体系。___
A. 防范处置、设备配置
B. 运营安全、服务质量
C. 衔接高效、运行顺畅
D. 建设质量、安全运行
【单选题】
城市轨道交通发展要与城市 社会发展阶段、发展水平、发展方向相匹配、相协调。___
【单选题】
设、运营全过程。___
A. 安全和生产
B. 安全和服务
C. 生产和服务
D. 快捷和准点
【单选题】
城市轨道交通规划涉及公共安全方面的设施设备和场地、用房等，要与城市轨道交通工程同步规划、同步设计、同步施工、同步验收、同步投入使用，并加强 管理。___
A. 场地规划
B. 安全运营
C. 生产质量
D. 运行维护
【单选题】
在工程可行性研究和初步设计文件中设置运营服务专篇和公共安全专篇，发展改革、规划等部门在审批时要以 听取同级交通运输部门、公安机关意见。___
A. 公证形式
B. 书面形式
C. 口述形式
D. 审核登记形式
【单选题】
城市轨道交通工程项目原则上要在可行性研究报告编制前确定 。___
A. 管理单位
B. 行政单位
C. 运行单位
D. 运营单位
【单选题】
加强城市轨道交通建设与运营的交接管理，完善交接 。___
A. 方式和方法
B. 建设和运营
C. 建设和内容
D. 内容和程序
【单选题】
城市轨道交通建设工程竣工验收不合格的，不得开展 安全评估。___
A. 运营后
B. 运营中
C. 运营前
D. 运行前
【单选题】
未通过运营前安全评估的，不得投入 。___
A. 试运营
B. 运行
C. 试运行
D. 运营
【单选题】
城市轨道交通工程项目要按照相关规定划定保护区，运营期间在保护区范围内进行有关作业要按程序征求运营单位同意后方可办理 。___
A. 相关许可手续
B. 相关作业凭证
C. 相关手续作业
D. 相关许可作业
【单选题】
建立健全运营安全风险分级管控和隐患排查治理双重预防制度，对运营全过程、全区域、各管理层级实施 。___
A. 安全卡控
B. 安全管理
C. 安全监护
D. 安全监控
【单选题】
制定城市轨道交通运营安全事故报告和调查处理 。___
【单选题】
建立健全行业运营服务指标体系和统计分析制度、服务质量考评制度，加强服务质量 。___
【单选题】
运营单位要依法做好运营安全各项工作，严格落实 。___
A. 安全报告
B. 安全生产责任制
C. 安全检测
D. 安全隐患排查
【单选题】
制定城市轨道交通关键设施设备运营准入技术条件，加快 车辆、信号、通信、自动售检票等关键设施设备产品定型，加强列车运行控制等关键系统信息安全保护。___
【单选题】
建立健全设施设备维修技术 和检测评估、维修保养制度。___
【单选题】
深入开展行业运营人力资源跟踪研究， 行业人才发展水平。___
【单选题】
鼓励各类院校设置 相关专业或者专业方向，扩大人才培养规模。___
A. 城市轨道行业
B. 城市轨道交通
C. 城市轨道运用
D. 城市轨道运营
【单选题】
运营单位要制定安全防范和消防安全管理制度、明确人员岗位职责、落实 措施，保障相关经费投入，及时配备、更新防范和处置设施设备。___
A. 安全生产
B. 安全措施
C. 安全管理
D. 安全卡控
【单选题】
有关部门要加强涉恐情报信息 工作，运营单位要按照规定及时报告发现的恐怖活动嫌疑或恐怖活动嫌疑人员。___
推荐试题
【单选题】
An administrator is monitoring a High Availability (HA) and Distributed Resource Scheduler (DRS) enabled cluster and has noticed that virtual machines in the cluster are being migrated without user intervention. Why is this happening? ___
A. The DRS Automation level is set to Fully Automated.
B. The Automation level is set to Automatic.
C. The
D. PM Threshold is set to Aggressive.
【单选题】
An administrator attempts to migrate a suspended virtual machine to a newly deployed vSphere 6.x cluster. The compatibility check fails. What condition could cause this behavior?___
A. The new vSphere 6.x cluster is running Intel CPUs instead of AMD CPUs.
B. A suspended virtual machine cannot be migrated.
C. The hardware virtualization feature of the CPU is not enabled on the new hosts.
D. A vSphere Distributed Switch is required to migrate a suspended virtual machine.
【单选题】
A vSphere administrator has been using vSphere in evaluation mode and now wants to deploy an environment that provides the same features. Which edition of vSphere provides similar functionality to evaluation mode? ___
A. Enterprise Plus
B. Enterprise
C. Standard
D. Essentials
【单选题】
A vSphere administrator has been using vSphere in evaluation mode and now wants to deploy an environment that provides the same features. Which edition of vSphere provides similar functionality to evaluation mode? ___
A. Enterprise Plus
B. Enterprise
C. Standard
D. Essentials
【单选题】
An administrator has just configured the IP address on an ESXi host from the Direct Console User Interface. How can the configuration be validated as correct without any additional tools?___
A. Add the host to vCenter Server and if it works, then all networking settings are ok.
B. Select the Test Management Network option from the DCUI.
C. Connect to the host with the vSphere Client and click the Test Network option.
D. Use PowerCLI to connect to the host and initiate a network test.
【单选题】
An administrator is installing vCenter Server for an environment that has 40 ESXi 6.x Hosts and 150 virtual machines. Which database would meet the minimal requirements needed for this task? ___
A. vFabric Postgres
B. Microsoft SQL Express 2008
C. Microsoft SQL Server 2014
D. Oracle 11g
【单选题】
What is a requirement when enabling a Virtual SAN cluster in an existing High Availability (HA) and Distributed Resource Scheduler (DRS) Cluster? ___
A. Disable DRS and HA before enabling Virtual SAN
B. Enable DRS before enabling Virtual SAN
C. Disable HA before enabling Virtual SAN
D. Enable Storage DRS before enabling Virtual SAN
【单选题】
The vSphere administrator attempts to connect to an ESXi host via an SSH client and receives the following security alert: The vSphere administrator needs to determine whether the RSA key fingerprint shown in the security alert is the fingerprint of the intended ESXi host. Which tool should the vSphere administrator use? ___
A. Direct Console User Interface
B. vSphere Client
C. vSphere Web Client
D. vSphere Management Assistant
【单选题】
An administrator needs to monitor traffic on vSwitches in a vSphere 6.x environment. Which option, if configured, would accomplish this task? ___
A. Forged Transmits
B. MAC Address Changes
C. Promiscuous Mode
D. Notify Switches
【单选题】
What is true regarding datastores on ESXi 6.x? ___
A. NFS 4.1 datastore does not support Fault Tolerance (FT)
B. VMFS3 and VMFS5 datastores can be newly created
C. NFS datastore can be concurrently mounted using NFS 4.1 on one host and NFS on another
D. NFS 3.0 datastore does not support Fault Tolerance (FT)
【单选题】
An administrator is cloning and configuring five new web server virtual machines. What would be the benefit of configuring resource shares for the new VMs? ___
A. To prioritize access to a resource during contention.
B. To guarantee access to a resource during contention.
C. To prioritize access to a resource before contention occurs.
D. To guarantee access to a resource before contention occurs.
【单选题】
An administrator logs into the vSphere Web Client and sees the warning shown in the Exhibit. During a change control window, the warning was addressed. What should be done to verify that the host is no longer showing the warning? ___
A. Run a Remediate host operation.
B. Recheck the compliance of the host.
C. Restart the host to get rid of the warning.
D. Install VMware tools to clear the warning.
【单选题】
A vApp named Sales has a Memory Limit of 32 GB and a CPU Limit of 12,000 MHz. There are three virtual machines within the vApp: <Sales-DB -- Has a memory reservation of 20 GB. > <Sales-DC -- Has a memory reservation of 8 GB. > <Sales-Web -- Has a memory reservation of 8 GB.> Which statement is correct? ___
A. All three virtual machines can power on, but will have memory contention.
B. All three virtual machines can power on without memory contention.
C. Only two of the three virtual machines can power on.
D. Only one of the virtual machines can power on.
【单选题】
You are editing the management network configuration of an ESXi 6.x Host from the vSphere Web Client. You mistakenly put the incorrect VLAN in place for the management network. What action do you need to take to correct this? ___
A. You need to manually edit the configuration on the host with command line utilities.
B. No action is required. By default ESXi rolls back configuration changes that disconnect the host.
C. The ESXi host system configuration will need to be restored to the factory configuration to fix the issue.
D. The change can be reverted in the vSphere Web Client by simply editing the switch again.
【单选题】
What is true about resource pools created on a Distributed Resource Scheduler (DRS) cluster?___
A. A root resource pool is created with the specified values.
B. A root resource pool is automatically created using the aggregate total of the ESXi host resources in the cluster.
C. A root resource pool is automatically created using the aggregate total of all resources in the datacenter.
D. A root resource pool is not needed when creating resource pools on a DRS cluster.
【单选题】
An administrator attempts to enable Enhanced vMotion Compatibility (EVC) on a cluster. The operation results in a compatibility error, as shown in the exhibit. What is the likely cause of this error? ___
A. The CPUs in the ESXi host are not AMD CPUs.
B. The CPUs in the ESXi host do not support hardware virtualization capabilities.
C. The XD/NX CPU features have not been enabled in the BIOS of the server.
D. There is no shared storage between the hosts in the cluster.
【单选题】
What condition would prevent an administrator from creating a new VMFS3 datastore on an ESXi 6.x host using the vSphere Web Client? ___
A. A VMFS3 datastore cannot be created on an ESXi 6.x host.
B. The VMFS3 kernel module is not loaded.
C. A VMFS3 datastore cannot be mounted on an ESXi 6.x host.
D. VMFS3 datastores are not compatible with virtual machines created on an
E. SXi 6.x host.
【单选题】
During a new vSphere Distributed Switch configuration, where does the Maximum Transmission Unit (MTU) value get modified? ___
A. Uplink Settings
B. Switch Settings
C. Portgroup Settings
D. NIC Teaming Settings
【单选题】
A small company wants to use VMware products for its production systems. The system administrator needs to recommend a solution that will deliver High Availability to the company's production applications. What is minimum vSphere offering that will support this requirement? ___
A. vSphere Essentials
B. vSphere Essentials Plus
C. vSphere Hypervisor
D. vSphere Standard
【单选题】
Which scenario shows a reason for VMware Tools failing to install? ___
A. Virtual machine has a CD-ROM configured.
B. Guest OS Antivirus is blocking the VMware Tools installation.
C. Guest OS has 64-bit ldd (list dynamic dependencies) utility installed.
D. Virtual machine is powered on.
【单选题】
An administrator is configuring an ESXi 6.x host to use multiple NICs to resolve a management network redundancy error. After configuring a second NIC, the server is not able to communicate when the primary connection is taken down. The administrator analyzes the Exhibit shown here. Based on the exhibit, what is the likely cause of the issue? ___
A. vmnic4 is not attached to a vSwitch.
B. vmnic2 is not connected to a physical switch.
C. E1000 is the incorrect NIC
D. river for this card.
【单选题】
What information is required as part of an interactive ESXi 6.x installation? ___
A. Keyboard layout
B. IP Address
C. Root password
D. DNS information
【单选题】
What is the default load balancing policy for a newly created VMkernel port on a vSphere Distributed Switch? ___
A. Route based on orginating virtual port ID
B. Route based on IP Hash
C. Route based on source mac address
D. Route based on physical NIC load
【单选题】
An administrator deploys vCenter Server using the embedded Platform Services Controller. After testing the deployment for a couple of months, it is determined that the environment would be better served with an external Platform Services Controller. What should the administrator do to meet this new requirement? ___
A. Deploy a fresh instance of vCenter Server with an external Platform Services Controller.
B. Perform a fresh install of an external Platform Services Controller.
C. Migrate the embedded Platform Services Controller to an external Platform Services Controller.
D. Upgrade the embedded Platform Services Controller to an external Platform Services Controller.
【单选题】
Why are some virtual machines orphaned after rebooting a High Availability (HA) enabled host? ___
A. The Orphaned virtual machines have HA restart disabled.
B. The Orphaned virtual machines moved recently and the change did not persist.
C. The host is attached to failed storage.
D. The host just came out of maintenance mode.
【单选题】
Which vSphere 6 Standard Edition feature will allow an organization to ensure that critical multi-threaded applications have the maximum possible uptime? ___
A. Fault Tolerance
B. High Availability
C. Distributed Resource Scheduler
D. App HA
【多选题】
An application running in a virtual machine is experiencing performance issues. When utilizing performance monitoring utilities, it is noted that the CPU Utilization of the application is at 100%. Which two scenarios are probable causes of the CPU contention for the application? (Choose two.)___
A. There is a network I/O constraint.
B. There is a storage I/O constraint.
C. There is insufficient disk space assigned to the virtual machine.
D. The application is not virtualization aware.
【多选题】
A Fault Tolerance (FT) virtual machine with four vCPUs is experiencing high latency when performing ICMP and Application tests. What are three potential causes that may be attributing to this latency? (Choose three.)___
A. The FT network has insufficient bandwidth and is running on a 1GB Link.
B. The FT network is on a particularly high latency link.
C. The FT network has been configured with Network I/O Control.
D. The FT virtual machine is running an e1000 network adapter.
E. The
F. T virtual machine is running on poor performing network-based storage.
【多选题】
A virtual machine is experiencing performance issues. The following performance metrics are observed: <CPU usage value for the virtual machine is above 90%> < CPU ready value for the virtual machine is above 20%> Which two activities will likely resolve the performance issues? (Choose two.)___
A. Set a CPU reservation for the virtual machine.
B. Increase the CPU limit on the virtual machine.
C. Decrease CPU shares equally for all virtual machines on the host.
D. Increase CPU shares equally for all virtual machines on the host.
【多选题】
An administrator is upgrading a vSphere Distributed Switch. The existing switch is version 6.0 and the administrator wants to upgrade to the latest version possible. The environment contains several ESXi 6.1 hosts. Which two options are available to ensure that the upgraded switch will be compatible with these hosts? (Choose two.)___
A. Upgrade the vSphere Distributed Switch to 6.0
B. Upgrade the ESXi 5.5 hosts to version 6.0, then upgrade the vSphere Distributed Switch to 5.5
C. Upgrade the vSphere Distributed Switch to 5.1
D. Upgrade the
E. SXi host switches to 5.5, then upgrade the vSphere Distributed Switch to 5.5
【多选题】
An administrator attempts to create a Thick Provisioned Virtual Disk (VMDK) on an NFS datastore; but it fails. Which two reasons would explain the failure? (Choose two.)___
A. Datastore is on an NFS 3 storage server that does not support Hardware Acceleration
B. Datastore is on an NFS 4.1 storage server
C. Only VMFS datastores support "Thick Provisioned" VMDK
D. The NFS datastore was not created on a "Thick Provisioned" device
【多选题】
Which two NFS Protocol versions does vSphere 6 support? (Choose two.)___
A. Version 3
B. Version 3.1
C. Version 4
D. Version 4.1
【多选题】
Which three operations occur during a cold migration of a virtual machine? (Choose three.)___
A. The virtual machine disks are moved if the datastore is being changed.
B. The virtual machine is registered with the destination server.
C. The source virtual machine is removed from the old hosts.
D. The virtual machine hardware is upgraded.
E. The virtual machine files are quiesced prior to the migration.
【多选题】
A 4 GB Memory virtual machine is experiencing extended memory issues, as shown in the Exhibit. What potential issues could be attributed to this memory pressure?___
A. A limit is imposed on the virtual memory of this virtual machine.
B. The Balloon driver has been uninstalled.
C. A limit has been imposed on the Virtual CPU of the virtual machine.
D. Storage IO control has been enabled for the virtual machine causing the swapped memory.
【多选题】
You are creating a virtual machine in the Web Client using the New Virtual Machine wizard. Which two steps are required? (Choose two.)___
A. Select a valid name.
B. Select a cluster for the compute resource.
C. Select a network adapter.
D. Select the virtual machine compatibility.
【多选题】
An administrator has been given requirements to configure vMotion for a new virtual machine. The configuration should: <Provide Network Redundancy Use VLAN 550> <Be secured against anyone trying to spoof communication The vSwitch1 configuration is shown in the Exhibit.> Which three changes should be made to meet the stated requirements? (Choose three.)___
A. The VLAN ID must be set appropriately.
B. The default values for MAC Address Changes and Forged Transmits must be altered.
C. The teaming and failover adapters must be set appropriately.
D. The Traffic Shaping configuration must be altered.
E. The Load Balancing Policy must be set appropriately.
【多选题】
Which three traffic types are available services options when configuring a vmkernel port? (Choose three.)___
A. Provisioning Traffic
B. Virtual Volumes Traffic
C. vSphere Replication NFC Traffic
D. Virtual SAN Traffic
E. FCoE Traffic
【多选题】
An administrator logs into the vSphere Web Client, but is unable to see any hosts and clusters. Which two options could fix the problem? (Choose two.)___
A. Verify that the client web browser and vCenter Server are in the same broadcast domain.
B. Verify that the vCenter Server system is registered with the same Platform Services Controller as the vSphere Web Client.
C. Log in to the vCenter Server as a user within the Active
D. irectory domain.
【多选题】
Which three VLAN Tagging modes are available in vSphere 6.x? (Choose three.)___
A. External Switch Tagging
B. Private VLAN Tagging
C. Virtual Switch Tagging
D. VXLAN Tagging
E. Virtual Guest Tagging
【多选题】
Which two statements are true about VMFS5 datastores on ESXi 6.x? (Choose two.)___
A. Virtual Disk (VMDK) size can be larger than 2TB.
B. Datastore extent size can be larger than 2TB.
C. Only Physical Mode Raw
D. evice Map (Passthrough-RDM) can be larger than 2TB.
