相关试题
【单选题】
（1.在正线、到发线上调车时，要经过___的准许。
A. 车站调度员
B. 车站值班员
C. 调车区长
D. 列车调度员
【单选题】
___2. 指挥列车运行的命令和口头指示只能由( )发出。
A. 车站值班员
B. 车站调度员
C. 列车调度员
D. 计划调度员
【单选题】
___3．列尾装置主机的安装与摘解（含临时甩挂作业需要），在配有列尾作业员的车站由_ _负责；在未配列尾作业员的车站由_ _负责。
A. 列尾作业员、车务人员
B. 列尾作业员、司机
C. 司机、车务人员
D. 司机、列尾作业员
【单选题】
___4．施工防护信号的设置与撤除由( )决定。
A. 列车调度员
B. 车站值班员
C. 施工领导人
D. 运转车长
【单选题】
___5．三显示自动闭塞区段，特快旅客列车由车站通过时，运行前方至少应有( )闭塞分区空闲。
【单选题】
___6．机械冷藏车组编挂在列车中的正确条件是（ ）
A. 须有编挂的调度命令
B. 一律挂于列车中部或前部
C. 应尽量挂于列车中部或后部
D. 须有始发站的站调命令
【单选题】
___7．一切电话中断后，连续发出同一方向的列车时，两列车的间隔时间，应按区间规定的运行时间另加3min，但不得少于( )。
A. 10min
B. 12min
C. 13min
D. 15min
【单选题】
___8．禁止相对方向同时接车的车站，当超长与非超长列车交会时，除有列车调度员指令外，一般应先接( )。
A. 停车的超长列车
B. 停车的非超长列车
C. 通过的超长列车
D. 通过的非超长列车
【单选题】
___9．临时变更行车闭塞法时，须经( )准许并发令。
A. 车站值班员
B. 车站站长
C. 车站调度员
D. 列车调度员
【单选题】
___10．超长列车是指货物列车实际编成的长度超过( )规定的长度标准。
A. 列车运行图
B. 列车编组计划
C. 日班计划
D. 运输方案
【单选题】
___11．行车设备检修完了后，将其结果记入( )。
A. 《行车日志》
B. 《调度命令登记簿》
C. 《行车设备检查登记簿》
D. 《行车设备施工登记簿》
【单选题】
___12. 在不得已情况下，列车退行时，未得到后方站(线路所)车站值班员准许，双线区间列车不得退行到( )的内方。
A. 邻线进站信号机
B. 引导地点标
C. 本线站界标
D. 邻线预告标或特设的预告标
【单选题】
___13.跟踪出站调车时，那个手续不需要办理。
A. 须经列车调度员口头准许
B. 取得邻站车站值班员承认的电话记录号码
C. 发给调车司机跟踪调车通知书
D. 停止基本闭塞法的调度命令
【单选题】
___14．将直达车流编入区段列车，属于违反( )的规定。
A. 列车编组计划
B. 《技规》
C. 《行规》
D. 列车运行图
【单选题】
___15．调车作业中单机或牵引运行时，由( )负责要道推进车辆运行时，由调车组人员负责要道。
A. 连接员
B. 司机
C. 调车长
D. 制动员
【单选题】
___16.超长列车的到达时刻，以（ ）为准。
A. 第一次停车
B. 列车尾部进入接车线
C. 超长部分转线完毕
D. 列检试风完毕
【单选题】
___17．列车通过时刻以( )时刻为准。
A. 列车全部进入站内
B. 机车通过车站运转室
C. 列车通过车站中心
D. 列车尾部通过车站中心
【单选题】
___18. 手推调车的速度不得超过每小时( )km。
【单选题】
___19. 停止调车作业的时机是( )。
A. 列车到达前
B. 发车前5min
C. 邻站发车后
D. 《站细》规定的时问
【单选题】
___20. 货物装卸线的容车数按线路( )分别除以11m和14．3m计算。
A. 有效长
B. 线路长度减去10m
C. 线路长度的75％
D. 有效长的80％
【填空题】
1.铁路调车准备作业程序是：布置___，排风摘管，___。
【填空题】
2.调车工作最基本要求是___、___。
【填空题】
3.调车工作按设备分为___调车和___调车。
【填空题】
4.调车领导人布置调车作业计划应使用___通知单下达。
【填空题】
5.调车作业要正确及时的显示信号，没有信号不准动车，信号不清___。
【填空题】
6.负责组织峰下或调车场___内制动人员的铁鞋或人力制动机工作的调车人员是___ 。
【填空题】
7.牵出线调车，凡使用机车将车辆由一股道送到另一股道，停车后再进行摘车的调车方法，称为___调车法。
【填空题】
8.推进连挂车辆时，调车指挥人应显示“___”距离信号，没有显示的不准挂车。
【填空题】
9.关门车是指关闭制动支管上的___，本身失去制动力的车辆。
【填空题】
10.列车应按《技规》、列车编组计划和___规定的编挂条件、车组重量或长度编组。
【填空题】
11.凡进站信号机不能开放，但信号机仍有正常电源的情况下接车时可开放引导信号，用___接车。
【填空题】
12.凡发生列车冒进信号时,___应及时将列车冒进信号的情况及处理结果，报告列车调度员。
【填空题】
13.双线反方向行车使用路票时，应在路票下方加盖___章，两线、多线区间使用路票时，应在路票下方加盖“___”章。
【填空题】
14.___是车站编制、执行日常作业计划，组织接发列车、调车和各项技术作业以及有关技术设备使用的基本细则。
【填空题】
15.使用电话闭塞法行车时，列车占用区间的凭证是___。
【填空题】
16.铁路信号是一个总称，它包括信号、___、___设备三个部分。
【填空题】
17.编组列车必须符合___规定的列车种类、去向、___、车组和车辆编挂顺序的要求。
【填空题】
18.列车中相互连挂的车钩中心水平线的高度差___不得超过___mm。
【填空题】
19.___是车站记录列车运行情况的原始资料。
【填空题】
20.对能进入接发列车进路的线路没有___或脱轨器，不准进行调车作业。
推荐试题
【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.
【多选题】
What two IT infrastructure components are virtualized by vSphere Essentials? (Choose two.)___
A. Networks
B. Applications
C. Storage
D. Management
【多选题】
When attempting to access a virtual machine, an administrator is unable to login using the vSphere credentials. What two options are probable causes of the authentication failure? (Choose two.)___
A. The vSphere credentials have not been granted permissions.
B. The vSphere credentials are granted read-only permissions.
C. The vSphere credentials are granted no-access permissions.
D. The vSphere credentials are not a member of the local administrator group.
【多选题】
An administrator is performing a scripted installation of ESXi 6.x. In which three locations does the script need to be? (Choose three.)___
A. PXE Server
B. HTTPS
C. FTP
D. NFS
E. VVOLs Datastore
【多选题】
In order for a company to meet regulatory requirements, all ESXi 6.x Hosts must be configured to direct logs to a syslog server. What are two ways ESXi hosts can configured for this action? (Choose two)___
A. Use the esxcli system syslog command.
B. Edit them in the ESXi host Advanced System Settings.
C. From the Syslog collector user interface of the Web Client.
D. Syslog logging is not available for
E. SXi Hosts.
【多选题】
Which three actions can be executed when an alarm is triggered? (Choose three.)___
A. Send an email.
B. Send an SNMP trap.
C. Run a script or command.
D. Run an Orchestrator workflow.
E. Send a trigger to syslog.
【多选题】
An administrator is attempting to power on a virtual machine, but is unable to do so. Which two reasons are probable causes of the failure? (Choose two.)___
A. Storage access to the virtual machine swap file has been lost.
B. One of the virtual machine VMDK files is locked.
C. Virtual machine is running CentOS 7.0 64-bit.
D. Virtual machine has Hyper-Threading enabled.
【多选题】
An administrator has configured a host profile so that ESXi 6.x hosts will point to the corporate NTP server for time synchronization. The NTP server is located at 10.0.30.213, but time has not been synchronized properly across the ESXi hosts. The administrator reviews Host Profile settings as shown in the Exhibit. Which two steps are required to resolve the issue? (Choose two.)___
A. Correct the NTP server IP address.
B. Check the host for host profile compliance.
C. Remediate the host based on the updated host profile.
D. Change the NTP server to the FQDN as IP Addresses are not supported.
【多选题】
An administrator is attempting to migrate a large Hadoop virtual machine using vMotion. The administrator notices a delay when the machine is quiesced. The Hadoop virtual machine is processing many transactions a second to an in-memory database. Which two actions would help reduce the amount of time needed to perform a vMotion on this virtual machine? (Choose two.)___
A. Use multiple NICs for the vMotion vmkernel port.
B. Use a 10Gbps Network card for the vMotion vmkernel port.
C. Add an additional management network to help transmit the data quicker.
D. Disable Fault Tolerance before performing the vMotion.
【多选题】
An administrator is installing a new network card in an ESXi 6.x host that is part of a vSphere cluster. When the host is placed into maintenance mode, the vSphere Web Client displays the progress bar at 2% for over 30 minutes. Which two are likely reasons for this occurrence? (Choose two.)___
A. Maintenance mode is unable to migrate all virtual machines from the host.
B. There is a large number of virtual machines that must be migrated from the host.
C. VMware High Availability is in the process of reconfiguring the cluster.
D. Each virtual machine on the
E. SXi host must be reconfigured to recognize the new adapter.
【多选题】
Which two events happen when Distributed Resource Scheduler (DRS) is disabled? (Choose two.)___
A. The cluster's resource pool heirarchy and affinity rules are re-established when DRS is turned back on.
B. The cluster's resource pool hierarchy and affinity rules are not re-established when DRS is turned back on.
C. The cluster's resource pools are removed from the cluster.
D. The cluster's resource pools are removed from the cluster and assigned to the hosts.
【多选题】
Which two networking connection types can be configured on a virtual switch? (Choose two.)___
A. Virtual machine portgroups
B. VMkernel services (such as NFS, iSCSI, or vMotion) to the physical network
C. Web services over the Management Network
D. NFS and FCoE storage services
【多选题】
An administrator creates a DRS cluster of eight ESXi 6.x hosts. There are 10 virtual machines balanced across the hosts. An attempt to place the first host into maintenance mode fails. What are two reasons that the host failed to enter maintenance mode? (Choose two.)___
A. The DRS cluster Automation Level is set to Partially Automated mode.
B. One of the virtual machines on the ESXi Host entering maintenance mode is configured with a DRS Host affinity rule Should run on hosts in group.
C. One of the virtual machines on the ESXi Host entering maintenance mode is configured with a DRS Host affinity rule Must run on hosts in group.
D. One of the virtual machines on the
E. SXi Host entering maintenance mode is configured with an individual Automation Level set to Partially Automated.
【多选题】
When modifying a vApp, which two vSphere entities can be added? (Choose two.)___
A. A resource pool
B. A network pool
C. A vApp
D. A folder
【多选题】
From which two locations in the inventory hierarchy can you deploy a virtual machine using a template? (Choose two.)___
A. Directly from the template.
B. From a compute resource.
C. From an existing virtual machine.
D. From a Datastore.
【多选题】
A company has decided to implement Virtual SAN within their vSphere 6.x environment. The Virtual SAN cluster will be composed of three ESXi 6.x hosts that are on the Virtual SAN Ready Node list. Each ESXi host includes: <Two SAS Controllers that support Passthrough Mode> < Four Solid State Drives (SSDs) 1TB in size each> <20 SAS Magnetic Disks (MDs) 1TB in size each> <The SSDs and MDs are evenly split between the two SAS controllers>. The company will pilot a Virtual SAN cluster utilizing VMware best practices while maximizing storage capacity. The Virtual SAN cluster will use Manual Mode. Which two Disk Group configurations would meet the stated configuration requirements? (Choose two.)___
A. 4 disk groups with 1 SSD and 5 MDs each
B. 2 disk groups with 1 SSD and 7 MDs each
C. 2 disk groups with 2 SSDs and 7 MDs each
D. 2 disk groups with 1 SSD and 10 MDs each
【多选题】
A physical Windows 2008 R2 Server is converted to a virtual machine using VMware vCenter Converter. Upon completion of the conversion and subsequent power on operation, the virtual machine fails to boot and the message below is observed in the Console of the virtual machine: <STOP 0x0000007B INACCESSIBLE_BOOT_DEVICE>. Which two potential issues may be causing this boot failure? (Choose two.)___
A. An incorrect SCSI controller was selected during conversion.
B. Incompatible software drivers were migrated into the virtual machine from the source machine.
C. The vmdk file backing the virtual machine was thick provisioned.
D. A snapshot was taken immediately after the conversion completed.
【多选题】
An administrator is configuring the Failover Order option on a vSphere Distributed Switch. Which two options should be used with IP-hash load balancing? (Choose two.)___
A. Active Uplinks
B. Standby Uplinks
C. Unused Uplinks
D. Override Failover Order
【多选题】
An administrator is configuring the Maximum Transmission Unit value on a vSphere Distributed Switch. Which two options are typical values for ESXi networking? (Choose two.)___
A. 1492
B. 1500
C. 9000
D. 9089
【多选题】
Which two configurable options apply to both virtual machine CPU and memory allocation? (Choose two.)___
A. Reservation
B. Shares
C. Resource Pool
D. Reserve All
【多选题】
When attempting to power on a Virtual Machine you observe the following error: <Cannot open the disk '/vmfs/volumes/volume/vm/vm-000002.vmdk' or one of the snapshot disks it depends on.> Which three actions will be the best solutions to address this problem? (Choose three.)___
A. Verify that the virtual machine's disk files are present.
B. Investigate the host and virtual machine log files.
C. Verify the vmdk descriptor files and if required, recreate them.
D. Delete the disk file preventing the power on operation.
E. Migrate or register the virtual machine to a different host.
【多选题】
An administrator has been tasked with enabling High Availability ___ on a cluster in a vSphere 6.x environment with default settings. The cluster configures properly and there are no errors. The next day when powering on a virtual machine, an error is presented: <Not Enough Failover Resources>. Which three scenarios are likely causes of this error message? (Choose three.)(CDE)
A. The default VM Monitoring Sensitivity is set too high.
B. There are not enough datastore heartbeat datastores configured by default.
C. The default slot size in the cluster is set too high.
D. There are virtual machines with large CPU reservations.
E. A host is in maintenance mode for a replacement of a failed Hard Drive.
【多选题】
vMotion can be performed between which three physical boundaries? (Choose three.)___
A. Between two vCenter Server Systems
B. Between two vSphere Distributed Virtual Switches
C. Between two vCenter Server Datacenter objects
D. Between two VMware NSX Layer 4 segments
E. Between two NFS datastores
【多选题】
An administrator configures vSphere Replication for a virtual machine and enables multiple point in time (PIT) instances under the recovery settings in the Configure Replication wizard. Which two statements are correct for vSphere Replication with multiple point in time instances enabled? (Choose two.)___
A. vSphere Replication retains a number of snapshot instances of the virtual machine on the target site based on the retention policy that you specify.
B. vSphere Replication uses the virtual machine's snapshot instances to define the target site Point in Time instance based on the retention policy that you specify.
C. vSphere Replication does not support virtual machines with snapshots.
D. vSphere Replication supports virtual machines with snapshots.
【多选题】
An administrator is virtualizing a physical application server and adding it to an existing multi-tiered vApp. The application license is currently tied to the physical NIC's MAC address, so the administrator needs to ensure the license will function properly in the virtual machine. Which two actions can the administrator take to satisfy this task? (Choose two.)___
A. Set the MAC address for the vNIC in the guest operating system.
B. Install the physical server's NIC into the ESXi host.
C. Configure the MAC address for the vNIC using the vSphere Web Client.
D. Assign the physical server NIC's MAC address in the vSphere Distributed Switch.
【多选题】
Which two Fibre Channel zoning options are supported with vSphere 6.x? (Choose two.)___
A. Single-Initiator
B. Single-Initiator-Single-Target
C. Multiple-Initiators-Single-Target
D. Multiple-Initiators-Multiple-Targets
【多选题】
An administrator is attempting to remove an ESXi 6.x host from a vSphere Distributed Switch (vDS). When the administrator attempts to remove the host, the following error is observed: <The resource '16' is still in use.> What three steps are needed to successfully remove the host from the switch? (Choose three.)___
A. Select Manage Ports on the vDS for the host.
B. Locate all ports currently in use on the vDS for the host.
C. Migrate or delete any vmkernel or virtual machine adapters associated with the switch.
D. Remove all network cards from the switch before trying to remove the host.
E. Create a standard switch for everything to be automatically be migrated to.
【多选题】
Which two Virtual SAN related actions might start resynchronization of virtual machine objects? (Choose two.)___
A. Editing a virtual machine storage policy to increase the number of replicas.
B. Editing a virtual machine storage policy to reduce the number of replicas.
C. Editing a virtual machine storage policy to increase the number of disk stripes.
D. Editing a virtual machine storage policy to reduce the number of disk stripes.
【多选题】
An administrator is troubleshooting basic network connectivity issues. Which two scenarios are potential issues that this administrator might face? (Choose two.)___
A. The vSwitch is not attached to the correct physical network.
B. The portgroup is not configured to use correct VLAN.
C. Traffic shaping is configured incorrectly.
D. Jumbo frames is configured incorrectly.
【多选题】
Which three items should be validated prior to installing ESXi 6.x? (Choose three.)___
A. Remote Storage has been disconnected.
B. Installation media is available.
C. Server hardware clock is set to UTC.
D. Storage has been partitioned with a VMFS volume.
E. Network cards have been setup to use Jumbo
F. rames.
【多选题】
An administrator is performing an interactive installation of ESXi 6.x. Which three options are available for installation? (Choose three.)___
A. DVD
B. USB
C. PXE
D. Scripted
E. Auto Deploy
【多选题】
After installation of a host in your test environment, you need to move it to production. The only major change that needs to be made is that the hostname of the server needs to change. What are two ways that an administrator can change the host name without editing configuration files on the host directly? (Choose two.)___
A. Login to the Direct Console User Interface and change it from here.
B. Edit the Default TCP/IP Configuration from the vSphere Web Client.
C. Use the Ruby vSphere Client to send a script to the ESXi host that updates the hostname.
D. Update the information in DNS and the
E. SXi host will automatically update with these changes.
【多选题】
An administrator has unsuccessfully attempted several times to install an Operating System inside a virtual machine. The administrator finds that the installation fails at random intervals. Which two actions can be taken to resolve this issue? (Choose two.)___
A. Verify the md5sum and if invalid, download the installation files again.
B. Attempt the installation an additional time.
C. Attempt to use a different installation media or installation method.
D. Create a new virtual machine and attempt the installation with the existing media.
【多选题】
VMware tools is failing to install on a Microsoft Windows virtual machine. What are two possible situations that would prevent the installation? (Choose two.)___
A. The VMware tools installation media is corrupt.
B. The incorrect Operating System was selected in the virtual machine options.
C. The software prerequisites have not been installed.
D. The prerequisite services have not been started.
