【单选题】
塞拉门与传统的内藏式车门和外挂式车门相比较具有包括可靠性高、
A. 冷却效果好
B. 控制智能化
C. 湿度大
D. 结构简单
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相关试题
【单选题】
塞拉门与传统的内藏式车门和外挂式车门相比较具有包括 、控制智能化的优点。
A. 冷却效果好
B. 湿度大
C. 可靠性高
D. 结构简单
【单选题】
塞拉门与传统的内藏式车门和外挂式车门相比较, 是它的的优点之一。
A. 冷却效果好
B. 列车外观平滑,整体和谐美观
C. 结构简单
D. 湿度大
【单选题】
动车组内门的驱动方式为 。
A. 三相电机驱动
B. 交流电机驱动
C. 液压驱动
D. 直流电机驱动
【单选题】
动车组 的驱动方式为直流电机驱动。
A. 电器柜门
B. 监控室门
C. 内门
D. 司机室门
【单选题】
动车组车门按传动方式分有 和丝杠螺母组传动两种形式。
A. 气压
B. 液压
C. 齿形带传动
D. 电力
【单选题】
动车组车门按传动方式分有齿形带传动和 两种形式。
A. 丝杠螺母组传动
B. 气压
C. 液压
D. 电力
【单选题】
动车组塞拉门设置压紧功能,可以保证车辆的 。
A. 稳定性
B. 平稳性
C. 气密性
D. 环保性
【单选题】
动车组 设置压紧功能,可以保证车辆的气密性。
A. 内门
B. 卫生间门
C. 监控室门
D. 塞拉门
【单选题】
塞拉门 的作用是用于减少车体与站台的间距。
A. 门框
B. 扶手
C. 站台补偿器
D. 门扇
【单选题】
塞拉门站台补偿器的作用是用于减少 的间距。
A. 边门
B. 车体与站台
C. 门与车体
D. 扶手与边门
【单选题】
CRH380B型动车组外门门控技术包括 、智能化、网络化。
A. 数字化
B. 周期化
C. 间断化
D. 连续化
【单选题】
CRH380B型动车组外门门控技术包括数字化、 、网络化。
A. 周期化
B. 智能化
C. 连续化
D. 间断化
【单选题】
CRH380B型动车组外门门控技术包括数字化、智能化、 。
A. 间断化
B. 连续化
C. 网络化
D. 周期化
【单选题】
动车组普通车窗玻璃一般采用复合钢化 玻璃。
【单选题】
动车组普通车窗玻璃一般采用 中空玻璃。
A. 复合钢化
B. 实心
C. 变色
D. 普通
【单选题】
动车组普通 玻璃一般采用复合钢化中空玻璃。
A. 厕所镜面
B. 洗脸盆镜面
C. 车窗
D. 餐车镜面
【单选题】
中空玻璃内外玻璃之间充有 。
A. 二氧化碳
B. 氮气
C. 惰性气体
D. 易燃气体
【单选题】
中空玻璃内外玻璃之间充入的 ,是为了提高了车窗玻璃的保温和隔音性能。
A. 液体
B. 气体
C. 固体
D. 二氧化碳
【单选题】
中空玻璃内外玻璃之间充入的气体,是为了提高了车窗玻璃的保温和
【单选题】
动车组司机室前窗的电加热系统,用于防止风挡玻璃 、积冰、积雪。
【单选题】
动车组司机室前窗的电加热系统,用于防止风挡玻璃起雾、 、积雪。
【单选题】
动车组司机室前窗的电加热系统,用于防止风挡玻璃起雾、积冰、
【单选题】
动车组给排水系统包括 、用水设备及排污系统。
A. 供水系统
B. 报警系统
C. 网络系统
D. 辅助系统
【单选题】
动车组给排水系统包括供水系统、 及排污系统。
A. 报警系统
B. 用水设备
C. 辅助系统
D. 网络系统
【单选题】
动车组给排水系统包括供水系统、用水设备及 。
A. 辅助系统
B. 网络系统
C. 排污系统
D. 报警系统
【单选题】
动车组 系统包括供水系统、排污系统及用水设备。
A. 污水
B. 给排水
C. 饮水
D. 电加热
【单选题】
动车组给排水系统按供水方式不同分为 与重力供水两种。
A. 向心力供水
B. 离心力供水
C. 压力供水
D. 直接供水
【单选题】
动车组给排水系统按供水方式不同分为压力供水与 两种。
A. 重力供水
B. 直接供水
C. 向心力供水
D. 离心力供水
【单选题】
动车组 系统按供水方式不同分为压力供水与重力供水两种。
【单选题】
是指利用水泵将水从水箱输送到各用水点。
A. 直接供水
B. 向心力供水
C. 压力供水
D. 离心力供水
【单选题】
压力供水是指利用 将水从水箱输送到各用水点。
【单选题】
压力供水是指利用水泵将水从 输送到各用水点。
【单选题】
是指水箱位于高位,依靠重力,实现水的输送。
A. 向心力供水
B. 重力供水
C. 离心力供水
D. 直接供水
【单选题】
重力供水是指水箱位于高位,依靠 ,实现水的输送。
【单选题】
动车组用水设备包括: 、卫生间、电茶炉等。
A. 洗手盆
B. 刮雨器
C. 牵引变流器
D. 牵引变压器
【单选题】
动车组用水设备包括:洗手盆、 、电茶炉等。
A. 刮雨器
B. 卫生间
C. 牵引变流器
D. 牵引变压器
【单选题】
动车组用水设备包括:洗手盆、卫生间、 等。
A. 牵引变流器
B. 牵引变压器
C. 电茶炉
D. 刮雨器
【单选题】
动车组采用 式电茶炉。
A. 溢水
B. 沸腾翻水
C. 沸腾
D. 翻水
推荐试题
【多选题】
In network troubleshooting it is important to know what upstream switch the ESXi host is connected to. Which two features does ESXi provide to help identify the upstream switch? (Choose two.)___
A. Promiscuous mode
B. DPM
C. LLDP
D. CDP
【多选题】
Virtual Volumes supports which three VMware features? (Choose three.)___
A. Instant Clones
B. Distributed Resource Scheduler
C. Linked Clones
D. vMotion
E. Storage Distributed Resource Scheduler
【多选题】
vSphere DRS helps to balance virtual machines with available resources in a vSphere cluster. What three types of resources can be taken into account for balancing? (Choose three.)___
A. CPU
B. physical NIC saturation of an ESXi host
C. virtual NIC saturation of a virtual machine
D. RAM
E. storage latency
【多选题】
Which three design requirements must be satisfied to enable RAID-6 objects in a VMware vSAN cluster? (Choose three.)___
A. vSAN Advanced license or higher
B. vSAN stretched cluster
C. at least six hosts contributing storage
D. deduplication and compression
E. all flash configuration
【多选题】
When using "Cluster resource percentage" for host failover capacity in vSphere HA Admission Control, the total resource requirements are calculated from which two values? (Choose two.)___
A. Total vCPUs assigned to each VM.
B. Average CPU usage on each VM over time.
C. Memory reservations on each VM.
D. Total memory assigned to each VM.
E. Average active memory on each VM over time.
F. CPU reservations on each VM.
【多选题】
Which are four attributes of the Active vCenter HA node? (Choose four)___
A. It uses the vCenter HA network to communicate with the Witness node.
B. It constantly replicates vPostgres data with the Witness node.
C. It uses a public IP address for the management interface.
D. It runs the active vCenter Server Appliance instance.
E. It uses the vCenter HA network for replication of data to the Passive node.
F. It provides a quorum to protect against split-brain situations.
【多选题】
Which are two vCenter Server two-factor authentication methods? (Choose two.)___
A. RSA SecurID
B. Smart Card
C. SAML
D. Symantec VIP
【多选题】
An administrator is creating VMkernel adapters on an ESXi 6.5 host and wants to create separate VMkernel adapters for every type of traffic in the default TCP/IP stack. Which three types of traffic can be explicitly enabled on a separate VMkernel adapter? (Choose three.)___
A. Virtual SAN traffic
B. NFS traffic
C. vMotion traffic
D. vSphere HA traffic
E. Fault Tolerance logging traffic
【多选题】
When migrating a Windows vCenter Server 6.0 to the vCenter Server Appliance 6.5, which two will be migrated by default? (Choose two.)___
A. Local Windows OS users and groups
B. Configuration
C. Custom ports
D. FQDN
E. Historical and Performance data
【多选题】
Which three types of Content Libraries exist within vSphere 6.5? (Choose three.)___
A. Remote Content Library
B. Published Content Library
C. Local Content Library
D. Shared Content Library
E. Subscribed Content Library
【多选题】
An administrator cannot enable multi-processor Fault Tolerance (SMP-FT) for a virtual machine. Which are two possible causes for this? (Choose two.)___
A. The virtual machine is running on a vSAN datastore.
B. The Fault Tolerance network is using a 10Gbit uplink.
C. The virtual machine has 6 vCPUs assigned.
D. The virtual machine has a 1TB VMDK attached.
E. The virtual machine has snapshots present.
【多选题】
Which two statements are true for Predictive DRS? (Choose two.)___
A. It balances resource utilization for virtual machines with unpredictable utilization patterns.
B. It integrates DRS with vRealize Operations Manager to balance workloads for virtual machines before resource utilization spikes occur.
C. It balances resource utilization based on a threshold's algorithm that runs each night.
D. It determines the best placement and balance of virtual machines based on a threshold's algorithm that runs each night in vCenter Server 6.5 Database.
【多选题】
Which two situations could cause a virtual machine to appear with (orphaned) appended to its name? (Choose two.)___
A. if a host failover is unsuccessful
B. if a virtual machine was removed from vCenter Server's inventory
C. if a virtual machine was deployed from template, and the template has been deleted
D. if a virtual machine is unregistered directly on the host
【多选题】
Which three requirements are needed to apply RAID 5 or RAID 6 erasure coding on a vSAN 6.2 or 6.5 object? (Choose three.)___
A. on Disk Format 3.0
B. Hybrid vSAN
C. All Flash vSAN
D. vSAN Advanced License
E. Stretched Cluster Configurations
【多选题】
An administrator sees the following error in the log files: Which two events could be the source of the error message? (Choose two.)___
A. vCenter Server failure
B. VXLAN failure
C. Disk array failure
D. Network failure
E. ESXi host failure
【多选题】
An administrator is attempting to access an ESXi host via the DCUI but is unable to do so. Which could be two possible causes? (Choose two.)___
A. The host in Qhas no out-of-band management capability (i.e. iLO/iDRAC).
B. The SSH service is disabled on the host.
C. Strict lockdown mode is enabled on the host.
D. Normal lockdown mode is enabled and the administrator is a member of the
E. xception User list.
【多选题】
Which two permissions are required to migrate a virtual machine with Storage vMotion? (Choose two.)___
A. Network > Move Network
B. Virtual Machine > Inventory > Move
C. Resource > Migrate powered on virtual machine
D. Datastore > Allocate Space
【多选题】
Which are three supported storage requirements for vCenter Server HA? (Choose three.)___
A. NFS
B. RDM
C. vSAN
D. VMFS
E. JBOD
【多选题】
Which are the two network requirements for a VMware vSAN 6.5 cluster? (Choose two.)___
A. Multicast must be enabled on the physical switches and routers that handle vSAN traffic.
B. vSAN requires IPv6 only.
C. All hosts must have a dedicated 40GbE NIC.
D. The vSAN network supported IPv4 or IPv6.
E. vSAN requires IPv4 only.
【多选题】
Which three prerequisites must be in place prior to enabling secure boot for a virtual machine? (Choose three.)___
A. VirtualMachine.Config.Settings privileges
B. an encrypted USB drive
C. Virtual Hardware version 13 or later
D. Virtual Hardware version 12 or later
E. EFI firmware
【多选题】
A user is given the "Virtual machine user (sample)" role in a vSphere 6.x environment. Which three permissions would the user be able to perform? (Choose three.)___
A. Reset a virtual machine.
B. Power on a virtual machine.
C. Move a host into a cluster.
D. Configure CD media.
E. Migrate a virtual machine with Storage vMotion.
【多选题】
Which three are supported upgrade processes for ESXi host? (Choose three.)___
A. using vSphere Auto Deploy
B. using a TFTP server
C. using Update Manager
D. using an
E. SXCLI command
【多选题】
When enabling Storage DRS on a datastore cluster, which three components are enabled as a result? (Choose three.)___
A. Space load balancing among datastore within the datastore cluster.
B. Initial placement for virtual disks based on space and I/O workload.
C. I/O load balancing among datastores within the datastore cluster.
D. Queue Depth alerting on disks within the datastore cluster.
E. Data de-duplication within the datastore cluster.
【多选题】
What are two features introduced in Network I/O Control version 3? (Choose two.)___
A. Bandwidth reservation per traffic type
B. Network resource pools
C. CoS tagging
D. Bandwidth guarantee to virtual machines
【多选题】
Which two correct virtual machine advanced configuration parameters will accomplish this? (Choose two.)___
A. isolation.device.edit.disable = “FALSE”
B. isolation.device.edit.disable = “TRUE”
C. isolation.device.connectable.disable = “FALSE”
D. isolation.device.connectable.disable = “TRUE”
【多选题】
Which three statements are correct regarding booting an ESXi Host from Fibre Channel SAN? (Choose three.)___
A. Direct connect topology is supported.
B. Each host must have its own boot LUN.
C. ESXi hosts do not require local storage.
D. Multipathing to a boot LUN on an active-passive array is supported.
E. Hosts can share one common boot LUN.
【多选题】
Which two tasks should a vSphere administrator perform if the vmkernel log reports VMFS metadata errors? (Choose two.)___
A. contact VMware technical support
B. reformat the datastore
C. check the device with VOMA
D. ignore the messages
【多选题】
Which two statements are true for a vCenterServer user account that is used for vSphere Data Protection (VDP)? (Choose two.)___
A. The user account must be assigned with Administrator role.
B. The password for the user account cannot contain spaces.
C. The user account should be created in the Single Sign-On domain
D. The user account cannot inherit required permissions from a group role.
【多选题】
Which three storage protocols are supported by Virtual Volumes? (Choose three.)___
A. FCIP
B. FCoE
C. iSCSI
D. NFS v3
E. NFS v4
【多选题】
A vSphere administrator observes a CPU spike on one of the web servers (view the Exhibit.) Which two statements can describe the cause of this activity? (Choose two.)___
A. The network packet size is too large.
B. VMware Tools is not installed.
C. Disk latency is present on the datastore.
D. The network packet size is too small.
【多选题】
Which three operations can cause VMFS metadata updates? (Choose three.)___
A. Restarting a VM using the guest OS.
B. Launching a VM console.
C. Migrating a VM with vMotion.
D. Powering a VM on or off.
E. Expanding a VMFS datastore.
【多选题】
*What two services run on all nodes in a vCenter Server HA cluster? (Choose two.)___
A. vmware-vmon
B. vmware-vpostgres
C. vmare-rbd-watchdog
D. vmware-vcha
【多选题】
Which two statements are true regarding Auto Deploy in version 6.5? (Choose two.)___
A. Auto Deploy can be configured and managed via PowerCLI.
B. Auto Deploy can be configured and managed via the vSphere Client.
C. Auto
D. eploy can be configured and managed via the vSphere Web Client.
【多选题】
What three options can improve network performance for a virtual machine? (Choose three.)___
A. MLD
B. TSO
C. NetFlow
D. LRO
E. SR-IOV
【多选题】
Which two storage technologies are supported for MSCS? (Choose two.)___
A. NFS
B. VAAI
C. iSCSI
D. FC
【多选题】
When upgrading a VMware vSAN cluster to version 6.5, which two tasks must be completed to comply with upgrade requirements and VMware-recommended best practices? (Choose two.)___
A. Use RVC to upgrade the hosts.
B. Use the latest available ESXi version.
C. Back up all VMs.
D. Use only the “Full data migration” maintenance mode option.
【多选题】
What two enhancements are in VMFS6 but not in VMFS5? (Choose two.)___
A. Support for 4k native disks
B. Support for 512e disks
C. GPT storage device partitioning
D. Automatic space reclamation
【多选题】
Which two statements describe why a vSphere DRS cluster would report load imbalance? (Choose two.)___
A. The configured migration threshold is too high.
B. The configured migration threshold is too low.
C. DRS is configured for Partially Automated.
D. Enhanced vMotion Compatibility (EVC) is enabled.
【多选题】
A vSphere Administrator must ensure that vCenter Server service is running in a domain user account rather than Local System Account. To accomplish this, the user account should have which two permissions? (Choose two.)___
A. Log on as a service.
B. Act as part of the operating system.
C. Log on as a batch job.
D. Log on locally.
【多选题】
A virtual machine fails to power on after being deployed from a template. What two remediation steps could correct this issue? (Choose two.)___
A. Increase CPU reservation
B. Decrease memory reservation
C. Increase memory reservation
D. Increase datastore capacity
E. Decrease CPU reservation