相关试题
【单选题】
在库房保管作业中，拆箱作业应当在___进行。
【单选题】
设立临时存放爆破器材的地点，应当事先报告当地___。
【单选题】
民用爆炸物品储存库的技防设施主要包括___等防范系统。
A. 入侵报警、视频监控
B. 入侵报警、库房
C. 视频监控、值班室
【单选题】
保管员负责验收、保管、发放、回收___。
A. 建筑材料
B. 生产工具
C. 民用爆炸物品
【单选题】
人类对爆破的研究与应用起源于我国___的发明和发展。
【单选题】
违反爆炸性物品的管理规定，在生产、储存、运输、使用中发生重大事故，造成后果特别严重的，处___有期徒刑。
A. 三年以上七年以下
B. 三年以上
C. 七年以下
【单选题】
爆破作业人员应当参加专业技术培训，并经设区的市级人民政府公安机关___合格，取得《爆破作业人员许可证》后，方可从事爆破作业。
【单选题】
经由道路运输民用爆炸物品的，要严格执行《民用爆炸物品运输许可证》“___”的规定。
A. 一车一证一次使用
B. 一证一车多次使用
C. 一证一车一次使用
【单选题】
营业性爆破作业单位接受委托实施爆破作业，应在签订爆破作业合同后___日内，将爆破作业合同向爆破作业所在地县级公安机关备案。
【单选题】
___的销售、购买及废旧民用爆炸物品销毁等行为，都适用《民用爆炸物品安全管理条例》。
【单选题】
未经许可，任何单位或者个人不得生产、销售、购买、运输民用爆炸物品，不得从事___。
【单选题】
违反国家规定，制造、买卖、储存、运输、邮寄、携带、使用、提供、处置爆炸性危险物质的，处___拘留。
A. 五日以上十日以下
B. 十日以上十五日以下
C. 五日以上十五日以下
【单选题】
装卸民用爆炸物品时，应在装卸现场设置___，禁止无关人员进入。
【单选题】
炸药的相容性主要有___、接触相容性、物理相容性和化学相容性四种。
A. 组分相容性
B. 质量相容性
C. 电量相容性
【单选题】
___是主爆药发生爆炸时引起相隔一定距离的受爆药爆炸的现象。
【单选题】
电阻指电雷管的全电阻，它包括___和脚线电阻。
A. 雷管电阻
B. 接地电阻
C. 桥丝电阻
D. 引线电阻
【单选题】
煤矿许用电雷管是允许在有___和煤尘爆炸危险的矿井中使用的特种电雷管。
【单选题】
电雷管的安全电流是指通以恒定的直流电流___不使电雷管爆炸的最大电流。
A. 5分钟
B. 7分钟
C. 9分钟
D. 11分钟
【单选题】
导爆管起爆网路的致命缺点是___。
A. 可以测量线路通不通
B. 不需要计算起爆网路的电阻
C. 没有检测网路完好性的有效手段
D. 难以选择起爆站
【单选题】
普通导爆索药芯的主要成分是太安或黑索今，每米药量在___克以上。
【单选题】
使用延期电雷管时，起爆后如未爆炸或不能判断是否全部爆炸，应等待___分钟后才能进入现场进行检查。
【单选题】
导爆管的管壁材料为高压聚乙烯___。
A. 橡胶
B. 塑料
C. 胶皮
D. 玻璃纤维
【单选题】
普通导爆管的爆速在20℃±10℃范围内不小于___。
A. 1400m/s
B. 1500m/s
C. 1600m/s
D. 1850m/s
【单选题】
炸药在岩土、钢筋混凝土等介质内部爆炸时，对周围介质的作用称为___。
A. 爆裂作用
B. 爆破作用
C. 冲击作用
D. 破碎作用
【单选题】
炸药在岩土等固体介质中爆炸后产生的___在固体介质内向四周传播过程中逐渐衰减为应力波，应力波进一步衰减为地震波，直至消失。
A. 爆炸气体
B. 爆炸产物
C. 爆炸冲击波
D. 爆炸碎片
【单选题】
在井筒内用罐笼运送爆破材料时，运送硝化甘油类炸药或电雷管的罐笼升降速度不得超过___。
A. 1米/秒
B. 2米/秒
C. 3米/秒
D. 4米/秒
【单选题】
在硐室爆破装药过程中允许使用不大于___的低压电进行照明，照明线必须绝缘良好，灯泡应安装保护罩，并与炸药保持一定的水平距离。
A. 12V
B. 24V
C. 36V
D. 110V
【单选题】
处理撞击引爆盲炮时，应平稳提升管柱。当弹体提升到距井口还有___管柱长度时，由现场技术人员指导拆卸弹体。
【单选题】
在井巷爆破中，掘进工作面的炮孔可分为___、辅助孔和周边孔。
A. 掏槽孔
B. 中心孔
C. 拔心孔
D. 核心孔
【单选题】
煤矿井下爆破工作面有2个或2个以上自由面时，在煤层中最小抵抗线不得小于___。
A. 0.6m
B. 0.5m
C. 0.4m
D. 0.3m
【单选题】
爆破员往井下运送爆破材料，运送途中几个携带炸药、雷管的人员不应___，前后要保持一定的距离。
A. 停留
B. 并排同行
C. 休息
D. 手拿无关物件
【单选题】
硐室爆破的药包分为集中药包和___药包两种形式。
【单选题】
应派有经验的___处理盲炮。
A. 保管员
B. 爆破员
C. 安全员
D. 作业班长
【单选题】
迟爆是指爆炸材料（或炸药包）比预定时间___发生爆炸。
【单选题】
值班守护人员的年龄应当___。
A. 年满18周岁、不超过55周岁
B. 年满18周岁、不超过60周岁
C. 年满18周岁、不超过65周岁
【单选题】
井下库对起爆器材的储存量不应超过___昼夜的生产用量。
【单选题】
设立临时存放爆破器材的地点，应当事先报告当地___。
【单选题】
工业雷管、黑火药在储存库内的堆放高度不应超过___m。
【单选题】
对导爆索外观检查的样本量是从每10000m中任取50m（1卷）；检查数量是___m。
【单选题】
报警值班室应当安装值班报警电话并保持___小时畅通。
推荐试题
【单选题】
Which is required by vCenter Converter Standalone to convert a physical Red Hat Enterprise Linux 7 machine to a virtual machine?___
A. The Linux machine must be powered off.
B. The Linux machine must have the SSH daemon started.
C. The Linux machine must use a static IP address.
D. The Linux machine must have a fully-qualified domain name.
【单选题】
An administrator is troubleshooting network communications between a vCenter Server and an ESXi 6.5 host. Which log shows the related events between these components?___
A. /var/log/fdm.log
B. /var/log/vpxa.log
C. /var/log/hostd.log
D. /var/log/auth.log
【单选题】
An administrator has recently upgraded from vSphere 6.0 to 6.5, and can no longer see the software iSCSI named vmhba33. Which could be the reason for this?___
A. The upgrade has changed the vmhba name.
B. vSphere 6.5 automates iSCSI configurations.
C. vSphere 6.5 no longer supports software iSCSI.
D. The upgrade has deleted the vmhba.
【单选题】
An administrator is trying to vMotion a VM from his datacenter to a recovery site. Which is the maximum allowed RTT (Round-Trip Time) latency between source and destination host?___
A. 100 milliseconds
B. 150 milliseconds
C. 15 milliseconds
D. 10 milliseconds
【单选题】
Which is required for configuring iSCSI Software Adapter network port binding?___
A. VMkernel of the iSCSI traffic must be load balanced using Route based on IP Hash algorithm.
B. VMkernel of the iSCSI traffic must be load balanced using Route based on Source Virtual Port ID algorithm.
C. VMkernel of the iSCSI traffic must be load balanced using Route based on Source MAC Hash algorithm.
D. VMkernel of the iSCSI traffic must be bound to only one active network adapter.
【单选题】
In vSphere Data Protection 6.1, which is the function of a Backup Verification job?___
A. None. Backup Verification job is not a feature of vSphere Data Protection
B. It is a manual task -Power it on -Verify the guest OS -Check started applications
C. It is an automatic process -Restore a virtual machine -Power it on -Verify that the guest OS is booted by communicating with the Backup Verification agent
D. It is an automatic process -Restore a virtual machine -Power it on -Verify that the guest OC is booted by detecting the VMware ToolsTM "heartbeats"
【单选题】
An administrator has enabled vSphere Distributed Switch Health Check. The hosts connected to that Distributed Switch all display an alert:< vSphere Distributed Switch MTU supported status > .The administrator has all of the VMkernel ports MTU sizes set to 1600. Which action will remedy this problem?___
A. Configure the Distributed Switch to MTU 9100.
B. Disconnect and reconnect the physical network cable.
C. Configure the physical switch to MTU 1600.
D. Disable the Distributed Switch MTU.
【单选题】
Which Host Profile Subprofile configuration is used to configure firewall settings for ESXi hosts?___
A. Advanced Configuration Settings
B. General System Settings
C. Security
D. Networking
【单选题】
Where would a vSphere administrator find general vCenter Server logs on a vCenter Server Appliance?___
A. /var/log/vmware/vpxd/
B. /var/log/messages
C. /etc/vmware-vpx/
D. /var/log/vmware/vsan-health/
【单选题】
An administrator wishes to enable network port mirroring based on source port. Which feature should be enabled?___
A. vSphere standard switch port
B. ERSPAN
C. NSX Virtual Wire
D. VLAN
【单选题】
Which CLI command shows the physical uplink status for a vmnic?___
A. esxcli network ip connection list
B. esxcli network ip neighbor list
C. esxcli network nic get
D. esxcli network nic list
【单选题】
Which is the maximum number of block devices (LUNs) that are supported by ESXi hosts that are running version 6.5?___
A. 1024
B. 512
C. 2048
D. 256
【单选题】
When performing a vCenter Server 5.5 for Windows with Microsoft SQL Server Express database migration to vCenter Server Appliance 6.5, which will be the target database?___
A. Microsoft SQL Server Express 2012R2
B. Microsoft SQL Server Standard 2012R2
C. PostgreSQL
D. Oracle DB 11g
【单选题】
An administrator has multiple vCenter Server 6.5 systems but cannot enable Storage I/O Control (SIOC) on a datastore shared by ESXi hosts managed by the vCenter Server systems. Which action should the administrator take to resolve the issue?___
A. Unmount the datastore and then enable SIOC on the vCenter Server system.
B. Configure the datastore to be managed by a single vCenter Server system.
C. Configure Storage DRS and then enable SIOC on the vCenter Server system.
D. Enable Raw Device Mapping (RDM) on the
E. SXi hosts.
【单选题】
“OneAppServer” is a VM template stored in a content library named “LibraryOne”, but the vSphere administrator is not able to use this template for deployment. Why is the administrator unable to deploy OneAppServer?___
A. OneAppServer must be updated before it can be deployed.
B. LibraryOne is a subscribed library and OneAppServer is not downloaded yet.
C. LibraryOne is published and optimized for syncing over HTTP.
D. OneAppServer was imported from a local file on the system.
【单选题】
An administrator sets the Failover Capacity for both CPU and Memory at 25%. Based on the Exhibit below, how much of the cluster’s total CPU resources are still available to power on additional virtual machines?___
A. 45%
B. 25%
C. 70%
D. 60%
【单选题】
Which statement applies to the vSphere Replication appliance?___
A. Only one vSphere Replication appliance can be deployed per vCenter Server instance.
B. VMware Tools in the vSphere Replication appliance can be upgraded.
C. A single vSphere Replication appliance can manage a maximum of 4000 replications.
D. vSphere Replication is available only with the vSphere
E. ssentials Plus license.
【单选题】
Which esxcli namespace can a vSphere Administrator use to adjust the queue depth?___
A. esxcli system module parameters
B. esxcli storage core device
C. esxcli system module set
D. esxcli storage core adapter
【单选题】
Which statement regarding datastore clusters meets VMware’s recommended best practices?___
A. Clusters should contain only datastores presented from the same storage array.
B. Clusters should contain only datastores with equal hardware acceleration capability.
C. Clusters should contain only datastores with the same capacity.
D. Clusters should contain only datastores using the same connection method (iSCSI, FC, etc.).
【单选题】
What VM Monitoring setting would ensure that the maximum reset window for a virtual machine is 24 hours?___
A. Medium
B. Low
C. High
D. Normal
【单选题】
What is the default space threshold for vSphere Storage DRS?___
A. 80%
B. 70%
C. 90%
D. 95%
【单选题】
Which is the correct sequence to upgrade a vSphere infrastructure?___
A. vCenter Server>ESXi host> VMware Tools>VM compatibility
B. ESXi host>vCenter Server> VMware Tools>VM compatibility
C. vCenter host> ESXi host> VM compatibility> VMware Tools
D. ESXi host>vCenter Server> VM compatibility>VMware Tools
【单选题】
An administrator has a large boot from SAN cluster and wants to ensure consistent configuration by using host profiles. What special considerations are required for boot from SAN hosts?___
A. Change the “Device is shared clusterwide” setting to “false” in the host profile.
B. Verify that the boot LUN is correctly identified as the boot device in the host profile.
C. The boot from SAN device must report as a local device.
D. Host profiles are incompatible with boot from SAN hosts.
【单选题】
When using VMware Converter to import a Windows server and improve the consistency of the destination virtual machine, which optional step can be performed immediately prior to powering down the source server?___
A. Perform a final synchronization task.
B. Remove the server from the network.
C. Uninstall production applications.
D. Remove the server from the Active Directory domain.
【单选题】
Restoration of the vCenter Server Appliance is accomplished using which interface?___
A. vSphere Web Client
B. vSphere Client
C. vCenter Server Appliance Management Interface
D. vCenter Server Appliance GUI Installer
【单选题】
When attempting to migrate a virtual machine to another host in the same cluster, the error message, “Select a valid compute resource” returns. What could cause this error?___
A. Both hosts run different versions of ESXi.
B. Both hosts are not sharing the same datastore.
C. VMware Tools is not installed.
D. Virtual machine has an ISO attached.
【单选题】
When will vSphere Data Protection delete the expired backup image of a Platform Service Controller?___
A. Immediately after the retention period has expired.
B. After the expired backup image is restored.
C. During the next backup window following expiry.
D. During the next maintenance window following expiry.
【单选题】
Group A has permission to download files in Content Library. Group B does not have permission to download files in Content Library. If a user is a member of both groups, what will be the result?___
A. The user cannot download file from Content Library.
B. The user can download file from Content Library.
C. The user cannot access Content Library.
D. The user can access Content Library.
【单选题】
An administrator is trying to set up Host Partial Failure Response, but the Automated option is grayed out. What can the administrator change to enable the Automated option?___
A. Change the vSphere DRS Automation level to Partially Automated.
B. Change the vSphere DRS Automation level to Fully Automated.
C. Enable vSphere HA Host Monitoring.
D. Change the vSphere DPM Automation level to Automatic.
【单选题】
When you attempt to open a virtual machine console from the vSphere Web Client, the console does not connect. The following error message appears:<HTTP ERROR 404> <Problem accessin/.Reason: Not Found>. Why did not connect?___
A. Port 443 is in use.
B. Port 9443 is in use.
C. Port 8443 is in use.
D. Port 22443 is in use.
【单选题】
What new feature was introduced to the Content Library in vSphere 6.5?___
A. Mount an ISO directly from the Content Library.
B. Deploy a virtual machine from an OVF Package in a Content Library.
C. Upload a File from a URL to a Library Item.
D. Upload a File from a Local System to a Library Item.
【单选题】
How can an administrator exclude Encryption rights from a support engineer?___
A. Clone the role Virtual machine power user, remove Cryptographic operations privileges.
B. Clone the role Administrator and assign to the support engineer.
C. Clone the role Virtual machine power user and assign to the support engineer.
D. Clone the role No cryptography administrator and select privileges only for the support engineer.
【单选题】
The administrator must back up a vCenter HA deployment. Which component must be backed up?___
A. Passive node
B. Witness node
C. External database
D. Active node
【单选题】
What is the supported protocol to perform remote L3 traffic monitoring in vSphere 6.5?___
A. VXLAN
B. ERSPAN
C. RSPAN
D. SPAN
【单选题】
What are the minimum hardware requirements for a Windows vCenter Server with embedded PSC that manages a “Small” environment?___
A. 2vCPUs, 16 GB RAM
B. 4 vCPUs, 16 GB RAM
C. 2 vCPUs, 10 GB RAM
D. 4 vCPUs, 10 GB RAM
【单选题】
Which port is used for communication between ESXi and vSphere Data protection?___
A. 80
B. 443
C. 902
D. 22
【单选题】
What can prevent Storage DRS from functioning on a datastore?___
A. The datastore is configured for Virtual Machine Swapfile location.
B. The datastore is shared across multiple datacenters.
C. The datastore is connected to a host that is running Storage I/O Control.
D. Storage DRS advanced option IgnoreAffinityRulesForMaintenance is set to 1.
【单选题】
When troubleshooting VMware vCenter Server issues, when logging level provides maximum detail?___
A. Verbose
B. Trivia
C. Info
D. Error
【单选题】
What new feature is introduced in NFS 4.1 on ESXi 6.5?___
A. IPv6
B. KRB5i
C. AUTH_SYS
D. Storage DRS
【单选题】
What configuration option would ensure that a virtual NUMA topology is defined on VMs having more than eight virtual CPUs?___
A. cupid.coresPerSocket
B. numa.vcpu.followcorespersocket
C. numa.vcpu.maxPerVirtualNode
D. numa.vcpu.min
