相关试题
【判断题】
变电所开关控制、继电保护、自动装置和信号设备所使用的电源，属于备用电源
【判断题】
电力变压器中的变压器油主要起绝缘和冷却作用
【判断题】
变电所开关控制、继保、检测与信号装置使用的电源属于操作电源
【判断题】
正弦交流电的周期与角频率的关系是互为倒数
【判断题】
整流电路是利用整流二极管的单向导电性将交流电变成直流电的电路
【判断题】
所有类型二极管在电气图纸中的符号是一样的
【判断题】
电磁式仪表由可转动线圈、固定铁芯及转轴、游丝、指针、机械调零机构等组成
【判断题】
摇表摇动后产生的电压， L 端为负极， E 端为正极
【判断题】
变压器送电时，尤其是大容量变压器，应在听到空载运行的声响 3 分钟后，才能进行下一步操作
【判断题】
电气施工中， 必须遵守国家有关安全的规章制度， 安装电气线路时应根据实际情况以方便使用者的原则来安装
【判断题】
在 35/0.4kV 的配电系统中，应在变压器的高低压侧分别装设阀型避雷器做防雷保护
【判断题】
10kV 架空线路的线间距离在档距 40m及以下时一般为 0.6m
【判断题】
在高压线路发生火灾时，应迅速拉开隔离开关，选用不导电的灭火器材灭火
【判断题】
人体触电时，大脑易损期最为敏感，也最容易受到伤害而发生昏迷，而导致血液循环中止死亡
【判断题】
人体触电急救时，如果触电者有呼吸，无心跳则应该实施胸外挤压法急救
【判断题】
10kV 架空线路导线与地面最小距离，在不同的区域可有所不同，在居民区最小是 7.5 米，在非居民区最小是 5.5 米
【判断题】
弹簧操作机构可根据实际情况在机构处就近完成分合闸操作，以提高工作效率
【判断题】
感应型过流继电器需配时间继电器和中间继电器才可构成过流保护
【判断题】
在继电保护中常采用中间继电器来增加触点的数量
【判断题】
自动重合闸动作后，需将自动重合闸手动复位，准备下次动作
【判断题】
有两个频率和初相位不同的正弦交流电压 u1 和 u2, 若他们的有效值相同，则瞬时值也相同
【判断题】
旋转电机发生火灾时，禁止使用干粉灭火器和干沙直接灭火
【判断题】
人体触电时，通过人体电流的大小和通电时间的长短时电击事故严重程度的基本决定因素，当通电电流与通电时间乘积达到 30mA.1s 时即可使人致死
【判断题】
万用表测量电压时是通过改变并联附加电阻的阻值来改变测量不同电压的量程
【判断题】
如果将电流表并联在线路中测量，则电流表有可能会因过载而被烧坏
【判断题】
用数字万用表测量直流电压时，极性接反会损坏数字万用表
【判断题】
工作票签发人不得兼任所签发工作票的工作负责人
【判断题】
变压器正常运行时，上层油温一般不允许超过 85℃
【判断题】
为防止跨步电压伤人， 防直击雷接地装置距建筑物出入口和人行道边的距离不应小于 3 米， 距电气设备装置要求在 5 米以上
【判断题】
现代高压开关都采取了迅速拉长电弧的措施灭弧，如采用强力分闸弹簧，其分闸速度已达 16m/s 以上
【判断题】
变配电所中的中央预告信号有直流操作和交流操作两种
推荐试题
【单选题】
A virtual machine has been renamed and an administrator is unable to find files with the new virtual machine name in the datastore.What is the reason for this?___
A. The names of the files on the datastore do not change.
B. The names of the files on the datastore have been corrupted.
C. The virtual machine needs to be re-added to the inventory.
D. The Distributed Resource Scheduler moved the virtual machine to another host.
【单选题】
An administrator has configured network connectivity for a new virtual machine, as shown in the Exhibit.What will occur with the network traffic of this virtual machine when communicating externally from vSwitch1?___
A. The virtual machine will communicate on both uplinks
B. The virtual machine will only communicate on vmnic1
C. The virtual machine will only communicate on vmnic2
D. The virtual machine will fail to communicate externally
【单选题】
An administrator is unable to create the first group in a new vRealize Operations environment. What is the likely cause of the problem?___
A. There are no group types defined.
B. The group is not defined in SSO.
C. There are more than 32 group types defined.
D. The description for the group is not provided.
【单选题】
A new vApp was built and tested in the corporate headquarters datacenter running vSphere 6.x. What condition would explain why the virtual machine is failing to boot in an offsite datacenter running on vSphere 5.5?___
A. The virtual machine was built with the default hardware version.
B. The VMFS 5 datastore is not compatible with virtual machines configured with vSphere 6.x.
C. a
D. RS 5.5 cluster cannot run virtual machines configured with vSphere 6.x.
【单选题】
An administrator is evaluating whether to deploy vCenter Server on a Windows server or on a vCenter Server appliance. The administrator has the following requirements: <A web browser will be utilized to manage the vSphere environment.> <16 ESXi hosts will be deployed.> <Licenses must be shared with a vCenter Server at another site.> <An external Oracle 10g database server will be used to host the vCenter Server database.> Why will the administrator need to deploy vCenter Server on a Windows server?___
A. Linked Mode is a requirement for the solution.
B. Oracle 10g is a requirement for the solution.
C. The vSphere web client is a requirement for the solution.
D. Management of more than 5 hosts is a requirement for the solution.
【单选题】
What is a benefit of using VMware Data Protection ?___
A. Provides support for guest-level backups and restores of Microsoft SQL Servers, Exchange Servers, and Share Point Servers.
B. Provides support for advanced storage services including replication, encryption, deduplication, and compression.
C. Provides direct access to VDP configuration integrated into the vSphere Client.
D. Reduces disk space consumed by virtual machine data using deduplication.
【单选题】
An administrator enables vSphere High Availability (HA) on an existing cluster with a large number of hosts and virtual machines. The administrator notices that the setup of vSphere HA on some of the hosts is failing. What step, if taken, might resolve this issue?___
A. Increase the value of the config.vpxd.das.electionWaitTimeSec setting.
B. Set the value of vpxd.das.aamMemoryLimit to 256.
C. Set the value of the das.useDefaultIsolationAddress setting to False.
D. Increase the value of the das.iostatsinterval setting.
【单选题】
An ESXi 6.x host consists of 24 logical cores. Hyperthreading is enabled on the host. What is the maximum number of vCPUs that can be assigned to a virtual machine on this host?___
【单选题】
By default, each ESXi 6.x host is provisioned with a certificate from which root certificate authority?___
A. RedHat Certificate Authority
B. VMware Certificate Authority
C. DigiCert Certificate Authority
D. Verisign Certificate Authority
【单选题】
An administrator is adding an NFS datastore as shown in the Exhibit. What is the purpose of the Servers to be added list?___
A. It contains the IP addresses of the NFS Storage Server to provide multipathing capability.
B. It contains the IP addresses of the ESXi hosts that mount the datastore.
C. It contains the IP addresses used for
D. ynamic Discovery of targets.
【单选题】
An administrator reports that the System Event log data is only available for 24 hours when reviewing the Hardware Status tab. Which condition could be responsible for the loss of data?___
A. A Reset event log was executed.
B. The statistical collection level was set to a value of 1.
C. The boot disk of the host is corrupt.
D. Syslog has been configured at the vCenter Server level.
【单选题】
During an upgrade, the ESXi 6.x installer finds an existing version of ESXi and a VMFS3 volume. No virtual machines exist on the host or VMFS3 volume. The requirement is to upgrade to VMFS5. Which option should be chosen to meet this requirement?___
A. Upgrade ESXi and preserve the VMFS datastore
B. Install ESXi and preserve the VMFS datastore
C. Install ESXi and overwrite the VMFS datastore
D. Upgrade
E. SXi and overwrite the VMFS datastore
【单选题】
A vSphere 6.x Standard Switch is configured with 4 virtual machine portgroups, as shown in the exhibit. Which portgroup would be utilized by default when creating a new virtual machine?___
A. Access Network
B. DMZ Network
C. VM Network
D. Virtual Machine Network
【单选题】
Which vSphere 6.x feature will allow an organization to utilize native snapshots?___
A. Virtual Volumes
B. Virtual SAN
C. VMFS3
D. VMFS5
【单选题】
An administrator is creating a new vSphere Distributed Switch that will be utilized with a specific vSphere Cluster. The cluster itself contains a mix of ESXi 5.x and 6.x Hosts. Which Distributed Switch version should be created to support this configuration?___
A. Distributed Switch: 6.0.0
B. Distributed Switch: 5.0.0
C. Distributed Switch: 5.1.0
D. Distributed Switch: 5.5.0
【单选题】
Which load balancing policy, previously limited to vSphere Distributed Switches, is now available on vSphere Standard Switches with vSphere 6.x?___
A. Route based on physical NIC workload
B. Route based on IP Hash
C. Route based on the originating virtual port
D. Route based on Source MAC Hash
【单选题】
A storage administrator is not seeing full utilization of all bandwidth from an ESXi host. The vSphere administrator observes the adapter details, as shown in the Exhibit. What is the probable cause of this issue?___
A. Another path needs to be used to allow full utilization of the bandwidth.
B. The array is not setup to use the correct multipathing policy.
C. There are no virtual machines on the host.
D. No traffic is being sent across it because a path failed.
【单选题】
A storage administrator is not seeing full utilization of all bandwidth from an ESXi host. The vSphere administrator observes the adapter details, as shown in the Exhibit. What is the probable cause of this issue?___
A. Another path needs to be used to allow full utilization of the bandwidth.
B. The array is not setup to use the correct multipathing policy.
C. There are no virtual machines on the host.
D. No traffic is being sent across it because a path failed.
【单选题】
An administrator has just completed performing an interactive installation of ESXi 6.x and is booting the host. How is the network initially configured?___
A. The network is configured by Automatic Private IP Addressing (APIPA).
B. The network is configured based on the settings detected in DNS.
C. The network is configured with the address as specified in the installer.
D. The network is automatically configured by DHCP.
【单选题】
You have just installed an ESXi 6.x Host. As part of your company security regulations, a security banner must be presented on the console of the host. How can this action be accomplished?___
A. Configure the Advanced Settings > Annotations screen of the ESXi host.
B. This is configured from the Direct Console User Interface configuration menu.
C. It is not possible to configure a security banner for the ESXi host.
D. From vCenter Server, this setting is configured globally in the vCenter Server configuration.
【单选题】
An administrator is only able to see the Health Badge when using the vRealize Operations user interface. What is the likely cause of this behavior?___
A. The vRealize Operations Foundation License is in use.
B. The vmware-sps service failed to start.
C. The vRealize Operations Standard License is in use.
D. The vmware-rbd-watchdog service failed to start.
【单选题】
An administrator has configured an alarm to be notified when a virtual machine meets either of these conditions: <High virtual CPU> <High active memory consumption.> <The alarm is only triggering when both of the conditions are met.> What can be done to correct the alarm behavior?___
A. Edit the alarm and select Trigger if ANY of the following conditions are satisfied.
B. Edit the alarm and select Trigger if ALL of the following conditions are satisfied.
C. Create two separate alarms, one for CPU and one for memory and link them together with ESXCLI.
D. Delete the existing alarm and create a new event based alarm.
【单选题】
An administrator creates an ESXi cluster using vSphere Auto Deploy. The ESXi hosts are configured to get a management IP address from a DHCP server. The administrator needs to troubleshoot the management network on one of the hosts. Which DCUI option should the administrator use to renew the DHCP lease? ___
A. Restart Management Network
B. Restore Network Settings
C. Test Management Network
D. Configure Management Network
【单选题】
An administrator is attempting to restore a number of files in a directory within the Operating System of a virtual machine. How can the administrator restore the files from a previous backup? ___
A. Use the File Level Restore option from the selected backup of the virtual machine in the vSphere Web Client.
B. Connect to the File Level Restore tool from a web browser in the virtual machine.
C. Connect to the File Level Restore tool from the VMware
D. ata Protection appliance.
【单选题】
After selecting an object in vRealize Operations, how can a user compare the badge values of related child objects? ___
A. Use the Scoreboard tab
B. Use the Relationship tab
C. Use the Members tab
D. Use the Overview tab
【单选题】
You want to deploy a vApp and dynamically assign IP addresses without a DHCP server on the network. Which action would you take to accomplish this task? ___
A. Enable IP pools.
B. Configure a local DHCP server in the vApp.
C. Enable NAT on the vApp router.
D. Configure the guest OS for workgroup and WINS.
【单选题】
What is the optimal configuration when building a virtual machine for a single-threaded Windows application? ___
A. Deploy single-threaded applications on uniprocessor virtual machines.
B. Deploy single-threaded applications on symmetric multi-processor virtual machines.
C. Tune single-threaded applications to take advantage of symmetric multi-processor resources.
D. Tune Single-threaded applications at the hypervisor level.
【单选题】
An administrator has created the resource pool configuration shown in the Exhibit. Based on the exhibit, which virtual machine(s) can be successfully powered on? ___
A. VM-M1 only
B. VM-K1 only
C. VM-K1 and VM-K2 only
D. VM-K1, VM-K2, and VM-M1
【单选题】
Which vSphere 6 Enterprise 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
【单选题】
An administrator has a virtual machine that requires four times the compute resources than other virtual machines on the same ESXi 6.x host. How should the administrator configure the virtual machine settings, in order to be prepared for any resource contention? ___
A. Set the shares of the priority virtual machine to High and the rest to Low.
B. Set the shares of the priority virtual machine to High.
C. Set the shares of the priority virtual machine to High and the rest to Normal.
D. Set the shares of the priority virtual machine to Normal and the rest to Low.
【单选题】
Which type of Adapter does not require vmkernel networking? ___
A. Independent Hardware iSCSI Adapter
B. Dependent Hardware iSCSI Adapter
C. Software iSCSI Adapter
D. Software FCoE Adapter
【单选题】
During the installation of ESXi 6.0, the following error message is reported: Hardware Virtualization is not a feature of the CPU, or is not enabled in the BIOS. Which condition would generate this message? ___
A. LAHF/SAHF is not enabled in the BIOS.
B. NX/XD is not enabled in the BIOS.
C. SSE3 is not enabled in the BIOS.
D. Hyperthreading is not enabled in the BIOS.
【单选题】
An administrator is unable to login to vCenter Server when using the vSphere web client. The administrator successfully accessed vCenter Server using the client earlier the same day. What is the most appropriate first step the administrator should take to resolve this issue? ___
A. Verify the web browser being used has Adobe Flash plugin version 11.5 or later
B. Verify the vCenter Single Sign-On service is running on the vCenter Server
C. Verify the vSphere Web Server service is running on the vCenter Server
D. Verify the administrator has permissions configured in vCenter Server
【单选题】
An administrator has configured an alarm to be notified when a virtual machine meets two conditions: <high virtual CPU> <high active memory consumption> The alarm is malfunctioning and triggering when either condition is met instead of both. What can be done to correct the issue? ___
A. Edit the alarm and select Trigger if ALL of the following conditions are satisfied.
B. Edit the alarm and select Trigger if ANY of the following conditions are satisfied.
C. Create two separate alarms, one for CPU and one for memory.
D. Delete the existing alarm and create a new event based alarm.
【单选题】
What must be enabled to ensure that VM Component Protection (VMCP) works in a High Availability cluster? ___
A. VMware Tools Virtual Machine Communication Interface (VMCI)
B. Fault Tolerance
C. Atomic Test and Set (ATS)
D. All Paths Down (APD) Timeout
【单选题】
An administrator wants to add a web server to an existing multi-tier application consisting of three virtual machines: <A web server> <A database server An application server> The web server should be added to the application when the primary web server reaches: <70% vCPU utilization> <55% active memory> Which option will achieve this result? ___
A. Create a virtual machine alarm with an action to run a script that starts a new instance of the web server.
B. Create a host cpu and memory alarm with an action to run a script that starts a new instance of the webserver.
C. Configure HA application monitoring for the web server and set it to trigger deployment of a new instance of the web server.
D. Configure Fault Tolerance on the virtual machine and leave the secondary machine disabled until needed.
【单选题】
An administrator has an application that requires connection directly to PCI devices through a virtual machine. What is a limitation of this configuration? ___
A. Devices must be reserved for PCI passthrough on at least one host on which the virtual machine will run.
B. Snapshots are not supported with DirectPath I/O passthrough devices.
C. A maximum of 18 PCI vSphere
D. irectPath devices can be added to a virtual machine.
【单选题】
The vSphere administrator is configuring directory services for an ESXi host: What should the vSphere administrator do to configure the host to use CAM services? ___
A. Check the Use vSphere Authentication Proxy checkbox.
B. Set Select Directory Service Type to CAM services.
C. Specify CAM$ for the
D. omain.
【单选题】
Which statement is true regarding the licensing of vCenter Server? ___
A. The license for vCenter Server must be provided at the time of installation.
B. Changing the license assigned to vCenter Server requires a restart of the vCenter Server service.
C. Virtual machines can still be powered on if the vCenter Server license expires.
D. Licensing for a single vCenter Server installation is determined by the number of managed virtual machines.
【单选题】
When configuring vSphere Replication for a virtual machine, what is the lowest Recovery Point Objective (RPO) that can be selected? ___
A. 1 min
B. 5 min
C. 10 min
D. 15min
