【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
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相关试题
【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
【多选题】
Which three directories are available under the vcsa-cli-installer folder of the vCenter Server Appliance installation media? (Choose three.)___
A. \mac
B. \ovftool
C. \migration-assistant
D. \win32
E. \lin64
【多选题】
What are three considerations when booting ESXihost from SAN software FCoE? (Choose three.)___
A. The VMware_FCoE_vSwitch that the installer automatically created cannot be changed.
B. Boot LUN cannot be shared with other hosts even on shared storage.
C. Multipathing is not supported at pre-boot.
D. Software FCoE boot configuration cannot be changed from within
E. SXi.
【多选题】
Which two choices are applicable to vSphere Availability? (Choose two.)___
A. Heartbeat Datastores
B. VM Startup/Shutdoown
C. Power Management
D. Admission Control
【多选题】
A user is a member of groups A and B. -VM10 and VM20 are in VM Folder. -Group A is assigned permission “Read-only” on VM Folder. What two configurations will allow the user to edit the settings for only VM10? (Choose two.)___
A. Assign group B permission “virtual machine power user” to VM10.
B. Assign group B permission “virtual machine console user” to VM10.
C. Assign group A permission “virtual machine console user” to VM10.
D. Assign group A permission “virtual machine power user” to VM10.
推荐试题
【单选题】
在电源系统中UPS配置___个输入端口和一个输出端口。
【单选题】
有源应答器接收来自LEU的___KHz偏置电压信号，经过整流稳压后为应答器有源部分提供电源。
A. 8.02
B. 8.82
C. 10.82
D. 11.02
【单选题】
ATS上的CBTC指示灯表示停用状态显示___。
【单选题】
起动片和速动片之间的动作关系是：在道岔转换前先切断___。
A. 控制电路
B. 表示电路
C. 保护电路
D. 报警电路
【单选题】
在电源系统中每个电源模块都是一个智能单元，电源模块内有一块模块监控___板。
A. 报警
B. FL
C. CPU
D. MPU
【单选题】
ATS与ATP/ATO间采用___的通信协议, 采用交叉冗余方式。
A. RS232
B. RS422
C. 以太网
D. TCP/IP
【单选题】
Net Manager要通过网络与数据库通信时应选择的是___协议。
A. IGMP
B. FTP
C. UDP
D. TCP/IP
【单选题】
单轨系统ATS系统线路总图中，车站名称若为___文字则表示车站连接正常，反之红色。
【单选题】
转换器使用___电源工作，电源由机柜电源分配端子引出。
A. 直流24V
B. 直流12V
C. 交流12V
D. 交流24V
【单选题】
ATS系统的网络通信是建立在OSI模型的第___层上。
【单选题】
交换机上每一个网口都对应有指示灯，指示灯以颜色标示交换机各网口的工作状态，绿灯表示___。
A. 网口未连接
B. 网口已连接
C. 连接正常
D. 连接不正常
【单选题】
DTI设备“扣车”对发送及接收数据的显示分为发送及接收地址和数据内容。其中以“ATS-0”为源地址的数据是___产生的。
A. ATS系统和DTI设备
B. 用户和ATS系统
C. 用户
D. ATS系统
【单选题】
ATS子系统的维护系统主要目的是确保系统的正常运转，主要包括系统维修指导、网络管理和___的功能。
A. 故障管理
B. 用户管理
C. 性能管理
D. 集中控制
【单选题】
服务器系统是ATS系统的核心，负责中心数据库管理、数据处理、___和系统管理工作。
A. 重要计算
B. 电路检测
C. 信息处理
D. 信息打包
【单选题】
齿轮受到短期过载等原因而骤然折断，其折断面呈粗晶粒组织，这种折断称为___。
A. 缺陷折断
B. 过载折断
C. 疲劳折断
D. 外力折断
【单选题】
两套车载天线分别安装在MC1、MC2端，距车头的位置为___米。
A. 4.4
B. 3.3
C. 2.2
D. 1.1
【单选题】
进行天线电缆确认时，除确认供电电源连接是否正确外，还应确认供电电源经过___。
A. 独立断路器
B. 防雷盒
C. 变压器
D. 稳压器
【单选题】
在ATC系统正常情况下正线驾驶采用___驾驶模式。
A. ATO
B. AR
C. RM
D. URM
【单选题】
当发现危及运营安全的设备隐患时， 应立即___
A. 停用设备， 组织抢修
B. 停用设备
C. 组织抢修
D. 不得停用设备
【单选题】
在ATP/ATO子系统中，ATP逻辑部、SM、I/O控制器各自的控制周期为___msec。
A. 200
B. 300
C. 400
D. 500
【单选题】
COM的倒机状态显示倒机方式，有___种状态。
【单选题】
ATS子系统的维护台主要目的是确保系统的正常运转，主要包括 ___的功能。
A. 系统维修指导
B. 网络管理
C. 用户管理
D. 以上三个都是
【单选题】
移位接触器触头与动作杆顶杆间隙为___时接点不断开。
A. 1.5mm
B. 1.6mm
C. 1.7mm
D. 1.8mm
【单选题】
控制柜内部电源配线最右边的端子是___。
A. 中线端子
B. UPS电源零线端子
C. UPS电源火线端子
D. 地线端子
【单选题】
列车位置检测就是，利用___，列车经过地面应答器时，从地面应答器接收绝对位置信息，根据此位置信息修正自身位置。其次，用（ ），通过累计行车距离进行连续的位置检测。
A. 车载查询器，速度发电机
B. 车载控制器，速度发电机
C. 车载查询器，速度传感器
D. 车载控制器，速度传感器
【单选题】
ATS接入骨干网络是通过有线___完成后
A. 蓝牙
B. wifi
C. 路由器
D. 交换机
【单选题】
CBTC ATP/ATO车载设备机笼电源5V输出不能超过___V。
A. 4.25
B. 5
C. 5.25
D. 6
【单选题】
CBTC ATP/ATO车载设备机笼电源24V输出不能超过___V。
A. 23.5
B. 24
C. 24.5
D. 25
【单选题】
当列车完整性信号丢失时，列车将产生___。
A. 紧急制动
B. 提示故障信息(信号系统显示屏上)
C. 牵引封锁
D. 以上三个条件都发生
【单选题】
DMI用___显示从ATP/ATO车载设备主体获得的速度信息、车辆信息等。
【单选题】
速度发电机将车轮的旋转转换为___传输给ATP/ATO车载设备主体。
A. 时间
B. 声波
C. 速度脉冲
D. 电磁波
【单选题】
下面不属于BTM插箱的安装要求的是___ 。
A. 避开热源
B. 安装在车体外部
C. 避开较强辐射源
D. 插箱周围空间需满足一定要求
【单选题】
车载天线与应答器的有效作用距离为___。
A. 150mm~300mm
B. 200mm~550mm
C. 200mm~400mm
D. 300mm~550mm
【单选题】
下面属于有源应答器能力的是___。
A. 传递语音信息
B. 发送图片
C. 发送长帧或短帧报文
D. 干扰信号
【单选题】
有源应答器的专用螺栓的最大力矩不得超过___N.m。
【单选题】
地面电子单元（LEU）允许电压波动范围___VDC。
A. 12-24
B. 21-30
C. 22-35
D. 25-31
【单选题】
C6接口是LEU上行链路C1接口偏置电压（供电电源）接口,输出端的C6接口信号电平应为___Vp-p（在170Ω阻性负载上测量）
A. 12.0~17.0
B. 15.0~20.0
C. 17.0~21.0
D. 20.0~23.0
【单选题】
移位接触器触头行程为___。
A. 0.5±0.1mm
B. 0.6±0.1mm
C. 0.7±0.1mm
D. 0.8±0.1mm
【单选题】
C6接口信号应为频率为___的正弦信号。
A. 8.820 kHz ±0.1 kHz
B. 7.820 kHz ±0.2 kHz
C. 5.820 kHz ±0.1 kHz
D. 4.820 kHz ±0.2kHz
【单选题】
C1接口平均数据传输速率为___ Kbit/s。
A. 550.02
B. 564.48
C. 582.23
D. 593.52
