【单选题】
变幅油缸的伸缩使托架可绕支架的通轴在___之间任意俯仰。
A. -12°～＋75°
B. -2°～＋75°
C. －20°～＋75°
D. －12°～＋65°
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相关试题
【单选题】
在变幅油缸、平台油缸和伸缩油缸底部均安装了___，在梯架变幅，平台调平和伸缩运动停止时，将自动闭锁油缸回油油路。
A. 液控单向阀
B. 换向阀
C. 溢流阀
D. 平衡阀
【单选题】
云梯消防车当梯架全伸出后，变幅小于___时不能回转。
A. 70°
B. 50°
C. 80°
D. 60°
【单选题】
启动机连续启动三次以上 应间歇___分钟。
【单选题】
瞬时风速超过___级时，云梯车可以投入实战使用，但应把两根安全绳挂在梯架顶端平台两侧，绳索另一端由地面人员分两侧牵引，以保持平台的平衡与稳定。
【单选题】
云梯消防车液压系统用的工作油必须经过严格的过滤，滤油器每___要检查、清洗一次。
【单选题】
下列关于举高消防车液压油更换周期说法错误的是：___
A. 1500~2000小时
B. 一年
C. 二年
D. 根据液压油质量
【单选题】
正常条件下云梯车每隔___，应通过使用对整车各机构进行一次实战演练性全面检查，做到战时有备无患，随时出动。
A. 半年至一年
B. 半年
C. 一年
D. 三个月
【单选题】
举高喷射消防车在任何工作状态下，中臂与水平线的夹角都不得超过___。
A. 70°
B. 80°
C. 90°
D. 100°
【单选题】
高喷车臂架展开后发动机运转时，应摘掉油泵取力器，并接通水泵取力器，操作油门向左旋逐渐加速至压力表显示___时，泡沫炮即高空喷射。
A. 0.5MPa
B. 1.0MPa
C. 1.5MPa
D. 2.0MPa
【单选题】
高喷车进入火灾现场，根据消防实战的需要，用两侧出水口接用水枪或泡沫枪，配合扑救地面中小型火灾时，应注意调整水的流量，其工作压力不应超过___。
A. 0.5MPa
B. 1.0MPa
C. 0.7MPa
D. 1.5MPa
【单选题】
登高平台消防车无论在任何情况下，只要工作平台和水平面之间的倾角超过___，当前动作会自动停止，并且发动机熄火。
A. 10°
B. 15°
C. 20°
D. 25°
【单选题】
当使用登高平台消防车紧急降落功能时，对于伸臂的操作应该___。
A. 先落下再缩回
B. 先缩回再落下
C. 两种都可以
【单选题】
在使用举高消防车水泵吸水时，滤水器在水中深度应不小于___。
A. 100mm
B. 200mm
C. 300mm
D. 400mm
【单选题】
以下关于登高平台消防车操作的叙述正确的是___。
A. 可以在转台操作台上操作
B. 可以在工作平台上操作
C. 转台和工作平台上都可以操作
D. 可同时进行上、下车操作
【单选题】
举高消防车在使用时需注意天气情况，风力超过___级时应停止作业。
【单选题】
当举高车下车操作完毕后，应操作___将油路切换到上车。
A. 上下车转换阀
B. 下车多路阀
C. 单向阀
D. 换向阀
【单选题】
举高消防车的常规使用条件的环境温度为___。
A. -20～50℃
B. -20～40℃
C. -30～40℃
D. -30～50℃
【单选题】
举高消防车使用时，工作地面需坚实，在车辆横向地面的坡度不得大于___。
【单选题】
举高消防车在通过地下通道时，其通过高度应不小于___米。
【单选题】
举高车辆进入抢险救援现场后，应尽量使抢救对象处于消防车的后方或侧方约___米
A. 5～8
B. 6～12
C. 7～15
D. 8～17
【单选题】
工作平台和臂的任何部位都应远离障碍物和高压线，距高压输送线应大于___米。
【单选题】
当___和主臂夹角小于10°时，伸缩限制开关限制举升臂做伸缩动作。
【单选题】
举高消防车需长期贮存时，每隔三个月进行一次空运转，每次运转不小于___小时。
【单选题】
当曲臂与水平夹角达到___°时，限制工作平台左右旋转。
A. 55º
B. 65º
C. 75º
D. 85º
【单选题】
伸缩臂仰角最高可达___°。
A. 60º
B. 70º
C. 80º
D. 90º
【单选题】
伸缩臂仰角最小为___°。
A. 1º
B. 3º
C. -1º
D. -3º
【单选题】
在使用伸缩臂紧急回缩和紧急降落操作时，应___。
A. 先缩臂后落臂
B. 先落臂后缩臂
C. 落臂缩臂同时进行
【单选题】
液压泵在连续运转时允许使用的最高工作压力称为___。
A. 工作压力
B. 最大压力
C. 额定压力
D. 吸入压力
【单选题】
液压泵在连续运转时泵的实际工作压力称为___。
A. 工作压力
B. 最大压力
C. 额定压力
D. 吸入压力
【单选题】
有两个调整压力分别为5MPa和10MPa的溢流阀串联在液压泵的出口，泵的出口压力为___。
A. 5Mpa
B. 10MPa
C. 15Mpa
D. 20MPa
【单选题】
通常齿轮泵的吸油管应比压油管___些。
【单选题】
云梯消防车平台内的额定载荷一般为___。
A. 180kg
B. 800kg
C. 400kg
D. 100kg
【单选题】
下面那个因素不一定需要更换钢丝绳___。
A. 发现有断丝、断股情况
B. 钢丝绳脱节
C. 钢丝绳变形或腐蚀
D. 钢丝绳润滑不够
【单选题】
云梯消防车发动机保养间隔时间，可按 1小时约对应___的行驶里程掌握。
A. 30km
B. 90km
C. 60km
D. 120km
【单选题】
举高消防车每个支腿可承受整车重量的___。
A. 全部
B. 1/2
C. 1/3
D. 1/4
【单选题】
下面哪一个不是举高车水平支腿伸不出去的故障原因。___
A. 活动支腿与固定支腿之间装配间隙太小
B. 下车控制水平支腿的溢流阀设定压力太低。
C. 发动机转速过低
D. 控制水平支腿外伸的开关或电路出故障
【单选题】
___将油液的压力转换为机械能带动负载运动。
A. 液压泵
B. 液压缸
C. 压力阀
D. 方向阀
【单选题】
___时，液压系统不能稳定工作。
A. 高温
B. 低温
C. 常温
D. 高温或低温
【单选题】
举高车工作斗内电气操纵手柄不能对云梯进行___等操作。
推荐试题
【多选题】
A vCenter Operations Manager 5.7 environment is upgraded to vRealize Operations. After the upgrade, the analytics services fail to start. Which three steps must be taken to resolve the problem? (Choose three.)___
A. Take the vRealize Operations cluster offline.
B. Delete the activity persistence files.
C. Bring the cluster back online.
D. Remove any unresponsive nodes.
E. Stop the CaSA service.
【多选题】
An organization has an ESXi 6.x host that contains two resource pools. The host is being relocated to a DRS cluster. What two actions can be taken to integrate the host into the cluster, and what would happen to the existing ESXi resource pool hierarchy as a result? (Choose two.)___
A. Place all of the host's virtual machines into the DRS cluster root resource pool. The resource pools present on the host will be deleted.
B. Create a resource pool for the ESXi host's virtual machines and resource pools. The resource pools present on the host will be deleted.
C. Place all of the host's virtual machines into the DRS cluster root resource pool. The resource pools present on the host will be preserved.
D. Create a resource pool for the
E. SXi host's virtual machines and resource pools. The resource pools present on the host will be preserved.
【多选题】
Which two parameters are required when adding an iSCSI target to an iSCSI Software Adapter using Dynamic Discovery? (Choose two.)___
A. The iSCSI device's IP Address or Fully Qualified Domain Name
B. The Port Number
C. The iSCSI device's iSCSI Qualified Name (IQN)
D. The Default Gateway IP Address
【多选题】
Which two SMTP Notification Event Details are specific to alarms triggered by events? (Choose two.)___
A. User Name
B. Summary
C. Old Status
D. Target
【多选题】
Which two High Availability ___ Cluster admission control policies can help avoid resource fragmentation? (Choose two.)(AC)
A. Define failover capacity by static number of hosts
B. Define failover capacity by reserving a percentage of the cluster resources
C. Use dedicated failover hosts
D. Use Virtual Machine Monitoring
【多选题】
An attempt to enable vSphere Fault Tolerance for a powered-on virtual machine fails. Which two scenarios would result in this failure? (Choose two.)___
A. The virtual machine has three vCPUs configured.
B. The host on which the virtual machine is running has insufficient memory resources.
C. The virtual machine has insufficient resources to accommodate full reservation plus the overhead memory.
D. VMware High Availability is enabled on the cluster of which this host is a member.
【多选题】
A vApp template recently added to a Content Library is not displayed. Which two actions could correct this problem? (Choose two.)___
A. Manually synchronize the library
B. Select the Download all library content immediately option
C. Select the Sync subscribed library option
D. Manually download the vApp template
【多选题】
What are three valid disk configurations for the vSphere Data Protection 6.x Appliance? (Choose three.)___
A. 500GB
B. 1TB
C. 1.5TB
D. 2TB
E. 4TB
【多选题】
Which three connection types are available when configuring a vSwitch in the vSphere Web Client? (Choose three.)___
A. VMkernel Network Adapter
B. Physical Network Adapter
C. Virtual Machine Port Group for a Standard Switch
D. vMotion Network Adapter
E. vSAN Network Adapter
【多选题】
Which three features can be enabled for a new host cluster? (Choose three.)___
A. Storage Distributed Resource Scheduling
B. High Availability
C. Fault Tolerance
D. Distributed Resource Scheduling
E. Virtual SAN
【多选题】
An administrator receives a report that no real time statistics are available for a virtual machine in the vCenter Server inventory. Which two statements indicate likely causes of the problem? (Choose two.)___
A. The virtual machine is powered off.
B. The host containing the virtual machine is disconnected from vCenter Server.
C. There is insufficient real time data to display the information.
D. The vCenter Server service is not running.
【多选题】
Your manager has given you a bash script that retrieves data for ESXi 6.x host configurations. This data needs to be collected right after the installation of a host and must be run directly on the host. Which two actions can be used to run this script on an ESXi host? (Choose two.)___
A. Connect to the host with Ruby vSphere Console and run the script from there.
B. Enable SSH access from the Direct Console User Interface.
C. Enable the ESXi Shell from the
D. irect Console User Interface.
【多选题】
Which two are true about the Risk badge in vRealize Operations? (Choose two.)___
A. The Risk badge indicates potential future problems that may degrade the performance of the system.
B. Risks may require attention in the near future.
C. The Risk badge indicates problems that are degrading performance of the system.
D. Risks require attention now to correct system performance problems.
【多选题】
vSphere Update Manager allows which two virtual machine attributes to be upgraded? (Choose two.)___
A. Virtual machine firewall policies for NSX.
B. Software Packages in the virtual machine.
C. Virtual machine Hardware Version.
D. VMware Tools Upgrade.
【多选题】
What are two benefits of using NFS 4.1 with vSphere 6.x as compared to NFS 3? (Choose two.)___
A. NFS 4.1 supports Kerberos Authentication
B. NFS 4.1 supports multipathing
C. NFS 4.1 supports IPv6
D. NFS 4.1 supports hardware acceleration
【多选题】
Which three statements are true regarding Fault Tolerance? (Choose three.)___
A. Applications need to be continuously available to users.
B. Applications without native clustering capabilities can be protected.
C. Custom clustering solutions are complicated to configure and maintain.
D. Applications that have 16 vCPUs are supported.
E. Prevents application crashes by analyzing the workload and correcting problems.
【多选题】
Which two statements are true regarding VMware vSphere Flash Read Cache (vFRC)? (Choose two.)___
A. Cache fills and cache evictions happen in the granularity of a cache block size.
B. vFRC caches data from both read and write I/Os, but write I/Os are always serviced by the underlying storage.
C. vFRC caches data from both read and write I/Os, but write I/Os are always serviced by the underlying cache data.
D. Cache fills and cache evictions happen in the granularity of the disk block size.
【多选题】
What are two possible causes of Storage Distributed Resource Scheduler (SDRS) being disabled on one or more virtual machine disks in a datastore cluster? (Choose two.)___
A. The virtual machine has vSphere Fault Tolerance disabled.
B. The virtual machine is a template.
C. The virtual machine swap file is on a shared datastore.
D. The disk is a CD-ROM/ISO file.
【多选题】
An administrator attempts to install vCenter Single Sign-On Server. The installer returns an error message indicating that the installation failed. Prior to the installation, all setup prerequisites were met. The administrator has generated a vCenter Server Single Sign-On support bundle. Which two files should the administrator analyze to determine the cause of the failure? (Choose two.)___
A. Server\utils\logs\imsTrace.log
B. Server\utils\logs\install.txt
C. %TEMP%\utils\logs\vminst.log
D. %TEMP%\vminst.log
【多选题】
An administrator is unable to remove an ESXi 6.x host from a vSphere Distributed Switch. What are two likely reasons for this issue? (Choose two.)___
A. Vmkernel interfaces on the switch are still in use.
B. VM Network port group adapters are connected to different switch.
C. Physical NICs are migrated to different switch.
D. VM Network adapters are connected to this switch.
【多选题】
Which two Identity Sources are available to add for vCenter Single Sign-On authentication? (Choose two.)___
A. LocalOS
B. OpenLDAP
C. NIS as an LDAP Server
D. VCMSDS
【多选题】
What are three goals of resource management within a cluster? (Choose three.)___
A. To prevent virtual machines from monopolizing resources and to guarantee predictable service rates.
B. To exploit undercommitted resources and overcommit with graceful degradation.
C. To provide solutions to potential problems that you might encounter when using vCenter Server.
D. To control the relative importance of virtual machines and provide flexible dynamic partitioning.
E. To provide additional network administration capabilities.
【多选题】
Which three actions can be taken as a result of executing the vSphere Update Manager 6.x scan and remediation wizards? (Choose three.)___
A. Install and upgrade software in virtual machines.
B. Upgrade the firmware on ESXi host devices.
C. Upgrade and Patch ESXi hosts.
D. Install and update third-party software on hosts.
E. Upgrade virtual machine hardware.
【多选题】
Which two statements are true about deploying and using vSphere Replication? (Choose two.)___
A. ESXi hosts managed by a single vCenter Server instance require a connection between the two vSphere Replication appliances.
B. Sites managed by different vCenter Server instances require a connection between the two vSphere Replication appliances.
C. Sites managed by different vCenter Server instances require the use of Site Recovery Manager and a connection between the two vSphere Replication appliances.
D. ESXi hosts managed by a single vCenter Server instance require a single vSphere Replication appliance.
【多选题】
An administrator is attempting to power on a virtual machine, but the task is hanging at 95%. What three scenarios best explain why this problem is happening? (Choose three.)___
A. A virtual machine question is currently being posed to the administrator.
B. Another task for the virtual machine or other component is already in progress.
C. The VMware High Availability cluster has insufficient resources to guarantee failover.
D. The host has lost access to the storage device containing the virtual machine files.
E. The host is under resource contention and unable to power on the virtual machine.
【多选题】
Which three features are not supported when using Fault Tolerance in vSphere 6.x? (Choose three.)___
A. Virtual Volumes (VVOLS)
B. Storage vMotion
C. Virtual Machine Component Protection
D. vMotion
E. vSphere Distributed Switches
【多选题】
Which two storage controller configurations can be used with Virtual SAN? (Choose two.)___
A. SAS controllers in Passthrough mode
B. SAS controllers in RAID0 mode
C. SAS controllers in RAID1 mode
D. SAS controllers in RAID10 mode
【多选题】
Which three are requirements when using vMotion to move a virtual machine across vCenter Server systems? (Choose three.)___
A. Both vCenter Servers must be using Enhanced Linked Mode.
B. Both vCenter Servers must be in the same Single Sign-On Domain.
C. Time must be synchronized.
D. Duplicate VM MAC addresses must be configured.
E. Both vCenter Servers must have High Availability enabled on source and destination clusters.
【多选题】
Which two components can be used when configuring Enhanced Linked Mode? (Choose two.)___
A. vCenter Server Appliance
B. vRealize Operations Manager
C. vSphere Management Appliance
D. vCenter Server for Windows
【多选题】
An organization has a number of virtual machines that would benefit from Fault Tolerance. These include: <A single vCPU Apache Server> < A dual vCPU vCenter Server> < A quad vCPU SQL Server> <An eight vCPU Hadoop Server>. Which two virtual machines can be configured to use VMware Fault Tolerance? (Choose two.)___
A. Apache Server
B. vCenter Server
C. SQL Server
D. Hadoop Server
【多选题】
Which two badges are major badges in vRealize Operations? (Choose two.)___
A. Risk
B. Efficency
C. Workload
D. Faults
【多选题】
An administrator is deploying multiple Windows 2003 Virtual Machines from the same template. What two steps should be taken to avoid network conflicts? (Choose two.)___
A. Customize the guest operating system.
B. Install VMware Tools into the new virtual machines.
C. Copy the Microsoft Sysprep tools onto the vCenter Server system.
D. Ensure the e1000 vmnic is selected for each new virtual machine.
【多选题】
Which three conditions would prevent Storage I/O Control from being enabled on a group of datastores? (Choose three.)___
A. The datastores planned for the solution are used by different vSphere clusters.
B. A datastore planned for the solution is configured as a Raw Device Mapping file.
C. A datastore planned for the solution has three extents.
D. A datastore planned for the solution is configured as NFS.
E. The organization has an Enterprise license.
【多选题】
Which two actions are prerequisites to adding ESXi 6.x hosts to a vSphere Distributed Switch? (Choose two.)___
A. Verify that there is at least one Distributed Port Group on the Distributed Switch.
B. Verify that the Distributed Port Group have active uplinks configured in its teaming and failover policy.
C. Verify that the
D. istributed Switch has been configured with a Network Profile.
【多选题】
An organization has configured Distributed Power Management (DPM) on a vSphere 6 cluster. The organization wants to be alerted when an ESXi host has been powered down by DPM. Which two options represent the type and name of the alarm that would accomplish this? (Choose two.)___
A. DrsEnteringStandbyModeEvent
B. DrsEnteredStandbyModeEvent
C. Event-based
D. Condition-based
【多选题】
Which two allow for the disabling of Network Rollback operations? (Choose two.)___
A. Modifying the vpxd advanded configuration options and adding the config.vpxd.network.rollback key
B. Modifying the C:\ProgramData\VMware\CIS\cfg\vmware-vpx\vpxd.cfg file and adjusting the<rollback> xml tag
C. Modifying the C:\ProgramData\VMware\CIS\cfg\vmware-vpx\vpxd.cfg file and adjusting the <networkrollback> xml tag
D. Modifying the C:\ProgramData\VMware\CIS\cfg\vmware-vpx\firstboot\vpxd-service- spec.prop file and adjusting the <rollback> xml tag
【多选题】
An administrator is tasked with performing a vMotion migration of a virtual machine. The virtual machine is configured as follows: <vSphere Flash Read Cache (vFRC) enabled> <Is part of a Distributed Resource Cluster (DRS) Cluster> Which two statements are true? (Choose two.)___
A. Each ESXi host in the cluster supports multiple virtual flash resources.
B. Each ESXi host in the cluster supports one virtual flash resource.
C. DRS treats powered-on virtual machines with Flash Read Cache as having a preferred affinity to their current host and moves them only for mandatory reasons.
D. DRS treats powered-on virtual machines with Flash Read Cache as having a required affinity to their current host and does not move them.
【多选题】
An administrator is using the Host Failures to Tolerate Admission Control Policy for a vSphere High Availability ___ cluster. When configuring this setting on the cluster, the administrator sees this error message: <Insufficient resources to satisfy HA failover level on cluster > What are two likely causes for the error? (Choose two.)(AB)
A. The hosts in the cluster are disconnected.
B. A host in the cluster is displaying an HA error.
C.
D. istributed Resource Scheduler has not been configured on the cluster.
【多选题】
What are two ways to identify TCP/IP stack information? (Choose two.)___
A. Using the vSphere Web Client
B. Using esxcli network ip netstack
C. Using esxcfg-netstack
D. Using the vSphere Client
【多选题】
Which two actions are required when enabling vFlash Read Cache for a virtual machine's virtual disk? (Choose two.)___
A. A value in the Virtual Flash Read Cache text box must be entered.
B. A Flash Resource Pool for Cache size reservation must be entered.
C. The Device backing and the block size must be configured.
D. The
E. nable virtual flash host swap cache check box must be selected.
