【判断题】
停电作业完毕后,可立即接通电源。
A. 对
B. 错
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答案
B
解析
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相关试题
【判断题】
电务设备地线必须连接牢固,接触良好,接地电阻符合要求。
A. 对
B. 错
【判断题】
信号人员作业时必须确认地线接触良好。
A. 对
B. 错
【判断题】
道岔挤切销折断不会造成道岔分离。
A. 对
B. 错
【判断题】
在紧急情况下可以甩开条件,借用电源动作设备。
A. 对
B. 错
【判断题】
严禁未登记要点用手摇把转换道岔。
A. 对
B. 错
【判断题】
严禁在微机监测计算机上运行无关软件。
A. 对
B. 错
【判断题】
施工执行的“两表一票一图”中的“一票”是指施工工作票。
A. 对
B. 错
【判断题】
160km/h以上提速区段“天窗”点外禁止设备巡视。
A. 对
B. 错
【判断题】
铁路运输工作人员应当坚守岗位,按程序实行标准作业,尽职尽责,保证运输安全。
A. 对
B. 错
【判断题】
机动车通过下穿铁路桥梁、涵洞的道路时,应当遵守限高、限宽规定,不得冲击限高防护架。
A. 对
B. 错
【判断题】
铁路平交道口的警示灯、安全防护设施由所在地的道路管理部门设置、维护。
A. 对
B. 错
【判断题】
自动闭塞区间同方向相邻的两架色灯信号机间,以该线上的通过信号机柱的中心线为闭塞分区的分界线。
A. 对
B. 错
【判断题】
当基本闭塞设备不能使用时,应根据列车调度员的命令采用电话闭塞法行车。
A. 对
B. 错
【判断题】
各有关维护单位应有一台专用计算机,用于查杀病毒;各种数据存储介质和调试用计算机在接入网络前不必经专用计算机检查,确认无病毒后,方可使用。
A. 对
B. 错
【判断题】
不必及时升级计算机系统软件漏洞补丁,就可以保证计算机可靠运用。
A. 对
B. 错
【判断题】
60严禁在生产调度指挥系统中使用无关软件,并不得与国际互联网及其它网络相连,确需与其他系统相连时,须经铁道部运输局基础部批准。
A. 对
B. 错
【判断题】
其他系统或设备必须与信号专用计算机系统相连接时,不必采用安全隔离措施,基本不影响本系统的正常使用。
A. 对
B. 错
【判断题】
应加强机房管理,杜绝因人为因素可能导致的网络故障。
A. 对
B. 错
【判断题】
新定职、新转岗、新晋升人员须由铁路局(公司)或电务段依据岗位标准,进行岗前培训,考核合格并达到岗位任职条件后,方可上岗作业。
A. 对
B. 错
【判断题】
信号机按类型分为色灯信号机、臂板信号机和机车信号机。
A. 对
B. 错
【判断题】
信号及通信设备,应装有防止强电及雷电危害的保安设备,电子设备应符合电磁兼容有关规定。
A. 对
B. 错
【判断题】
进站色灯信号机两个黄色灯光表示准许列车按限速要求越过该信号机,经道岔侧向位置进入站内通过。
A. 对
B. 错
【判断题】
在进站端、出站端及区间适当地点设置点式应答器,必要时设置特定用途的应答器
A. 对
B. 错
【判断题】
计算机联锁在现场模拟联锁试验之前,电务段应进行全面的联锁仿真试验,并认真做好试验记录。
A. 对
B. 错
【判断题】
计算机联锁设备试验应进行同步故障倒机及人工切换试验。
A. 对
B. 错
【判断题】
架空线线路下面,地下光缆和电缆线路上面,禁止植树。
A. 对
B. 错
【判断题】
直接涉及行车安全的TDCS、CTC等系统,必须自成体系,单独成网,独立运行,同时可以与其他系统直接联网。
A. 对
B. 错
【判断题】
TDCS、CTC应实行系统冗余,局部故障有时可以影响整个系统。
A. 对
B. 错
【判断题】
对设有加锁加封的信号设备,应加锁加封,必要时可装设计数器,电务人员应负责其完整。
A. 对
B. 错
【判断题】
加封设备启封使用后,应及时通知车务部门加封。
A. 对
B. 错
【判断题】
采用计算机联锁设备实现加锁加封功能时,应使用密码操作。
A. 对
B. 错
【判断题】
在确定设置信号机地点时,除满足信号显示距离的要求外,还应考虑到该信号机不致被误认为邻线的信号机。
A. 对
B. 错
【判断题】
主体信号机未开放时,进路信号机不能开放。
A. 对
B. 错
【判断题】
当列控车载设备接收到轨道电路允许行车信息,而缺少应答器提供的线路数据或限速数据时,最高限速值为45km/h。
A. 对
B. 错
【判断题】
自动闭塞区段的车站,办理发车前不应向接车站预告。
A. 对
B. 错
【判断题】
四显示自动闭塞区段的进站信号机前方第一、第二架通过信号机的机柱上,应分别涂三条、一条黑斜线,以与其他通过信号机相区别。
A. 对
B. 错
【判断题】
道岔编号,从列车到达方向起顺序编号,上行为双号,下行为单号。
A. 对
B. 错
【判断题】
出站信号机有两个及其以上的运行方向,而信号显示不能分别表示进路方向时,应在信号机上装设进路表示器。
A. 对
B. 错
【判断题】
双线自动闭塞区间反方向进站信号机前方应设置预告标。
A. 对
B. 错
【判断题】
信号机应设在列车运行方向的左侧或其所属线路的中心线上空。
A. 对
B. 错
推荐试题
【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.
【多选题】
As part of a multisite Single Sign-On (SSO) deployment what two steps are required to ensure that a change to one Single Sign-On instance is propagated to the other instances? (Choose two.)___
A. Schedule a Replication Task on the primary instance
B. Select the first instance during the installation of subsequent instances
C. During the installation of each instance choose Linked-Mode
D. Enable Synchronize to Active Directory on each instance
【多选题】
You need to add an object to an existing vApp using the vSphere Web Client. How is this accomplished?___
A. Create an Object Inside the vApp.
B. Add an Object to a vApp.
C. Add an Object to the
D. atastore the vApp is located in.
【多选题】
Which three steps must be taken to use vSphere Update Manager 6.x to upgrade an ESXi 5.5 host to vSphere 6.x? (Choose three.)___
A. Download an ESXi Image.
B. Configure the vSphere Update Manager Download Service.
C. Create a baseline and attach it to the ESXi Host.
D. Scan the vCenter Content Library for the
E. SXi Image.
【多选题】
Which two options would allow a database administrator, with no access to the vSphere infrastructure, to connect to a virtual machine? (Choose two.)___
A. Use the Virtual Machine Remote Console (VMRC).
B. Use Remote Desktop Protocol (RDP) to connect.
C. Ask the vSphere administrator to grant permission to access the console through vCenter Server.
D. Ask the vSphere administrator to grant permission to access with the Horizon View Direct Connect Client.
【多选题】
Which three are architecture components of vRealize Operations? (Choose three.)___
A. Identity Server
B. Administrative Server
C. Analytics Server
D. Database Server
E. Connection Broker
【单选题】
金克拉金克拉撒旦蒂萨里大儿童家爱丽丝打开就撒开绿灯技术的()
A. 手动阀手动阀
B. 撒旦
C. 反对法
D. 第三方
【单选题】
金克拉金克拉撒退热贴开绿灯技术的()
A. 是否
B. 阿斯顿
C. 撒旦
D. 感到反感