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【单选题】
___0226.根据《变配电室安全管理规范》(DB11/ 527—2015),下列关于地下变配电室说法有误的是( )。
A. 应有安全通道
B. 应设有通风散热装置
C. 应设有事故照明装置
D. 室内地面的最高处应设有集水坑
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相关试题
【单选题】
___0227.根据《变配电室安全管理规范》(DB11/ 527—2015),下列属于登高作业安全工器具的是( )。
A. 万用表
B. 扳手
C. 安全绳
D. 绝缘手套
【单选题】
___0228.根据《变配电室安全管理规范》(DB11/ 527—2015),下列属于检修工具的是( )。
A. 螺丝刀
B. 安全带
C. 安全绳
D. 安全帽
【单选题】
___0229.根据《变配电室安全管理规范》(DB11/ 527—2015),下列不属于测量仪表的是( )。
A. 红外温度测试仪
B. 万用表
C. 钳形电流表
D. 验电器
【单选题】
___0230.北京市变配电室的各种记录档案应分类归档,设计、施工、竣工验收的图纸、图表等文件资料长期保存,其他记录至少保存( )年。
A. 半
B. 一
C. 两
D. 三
【单选题】
___0231.根据《变配电室安全管理规范》(DB11/ 527—2015),对装有产生有毒气体、窒息性气体的配电装置的房间,在发生事故时房间内易聚集气体的部位,应装设( )装置。
A. 送风
B. 排烟
C. 排风
D. 防排烟
【单选题】
___0232.《1kV及以下配线工程施工与验收规范》(GB 50575—2010)规定,配线工程的电线线芯截面面积不得( )。
A. 超过最大值
B. 低于最低值
C. 低于设计值
D. 超过设计值
【单选题】
___0233.《1kV及以下配线工程施工与验收规范》(GB 50575—2010)规定,导管暗配宜沿最近的路径敷设,并应减少( )。除特定情况外,埋入建筑物、构筑物的导管,与建筑物、构筑物表面的距离不应( )15 mm。
A. 弯曲;大于
B. 弯曲;小于
C. 平行;大于
D. 平行;小于
【单选题】
___0234.1kV及以下配线工程施工需接地的金属导管,进入( )时应与箱体上的专用接地(PE)端子做电气连接。
A. 配电箱
B. 金属表面
C. 潮湿表面
D. 干燥表面
【单选题】
___0235.1kV及以下配线工程施工,导管不宜穿越设备或建筑物、构筑物的( ),当必须穿越时,应采取保护措施。
A. 底座
B. 顶层
C. 表面
D. 基础
【单选题】
___0236.1kV及以下配线工程施工,室外导管管口不应( ),导管端部应设有( ),并应经防水的可弯曲导管或柔性导管弯成滴水弧状后再引入设备的接线盒。
A. 敞口垂直向上;防水环
B. 敞口垂直向上;防水弯
C. 敞口垂直向下;防水环
D. 敞口垂直向下;防水弯
【单选题】
___0237.《1kV及以下配线工程施工与验收规范》(GB 50575—2010)规定,( )钢导管内壁、外壁均应作防腐处理。当埋设于混凝土内时,钢导管( )可不作防腐处理。
A. 非镀铜;外壁
B. 非镀铜;内壁
C. 非镀锌;外壁
D. 非镀锌;内壁
【单选题】
___0238.《1kV及以下配线工程施工与验收规范》(GB 50575—2010)规定,可弯曲金属导管( )作为接地线的接续导体。
A. 必须
B. 适宜
C. 可以
D. 不应
【单选题】
___0239.( )场所,不宜直接敷设塑料护套线。
A. 室外受阳光直射的
B. 通风不良
C. 潮湿
D. 多尘
【单选题】
___0240.《1kV及以下配线工程施工与验收规范》(GB 50575—2010)规定,塑料护套线应( ),( )直接敷设在建筑物顶棚内、墙体内、抹灰层内、保温层内或装饰面内。
A. 明敷;提倡
B. 明敷;严禁
C. 暗敷;提倡
D. 暗敷;严禁
【单选题】
___0241.二硫化碳计量室、贮库的照明、电气开关等装置应当符合( )要求,装设单独的避雷装置,送风、排风装置良好。
A. 防潮
B. 防虫
C. 防爆
D. 降温
【单选题】
___0242.《纺织工业企业安全管理规范》(AQ 7002—2007)规定,禁止从业人员戴( )在纺织专用设备旋转部位进行操作。
A. 手套
B. 帽子
C. 口罩
D. 眼镜
【单选题】
___0243.运转的带锯在停电后复电时,带锯不应( )。
A. 人工启动
B. 长时间不能恢复启动
C. 自动启动
D. 立即启动
【单选题】
___0244.对既没有提升装置又没有自动闭合防护罩的电刨,电源开关应在松开开关操作动作后立即( )。
A. 制动电刨
B. 启动电刨
C. 自动切断电源
D. 接通电源
【单选题】
___0245.设计中把机器的危险部件安置到不可能触及的位置的做法属于( )技术。
A. 失效安全
B. 定位安全
C. 机器布置
D. 机器安全防护装置
【单选题】
___0246.使用磨削机具时,应采取( )。
A. 防火措施
B. 防尘措施
C. 防雷措施
D. 防雨措施
【单选题】
___0247.使用钻床、车床等转动机械时( )戴手套。
A. 不得
B. 严禁
C. 不宜
D. 可
【单选题】
___0248.木工机械多采用手工送料,容易发生手与刀刃接触,造成伤害。因为木工机械属于( )机械,所以木工机械伤手事故较多。
A. 低速
B. 中低速
C. 中速
D. 高速
【单选题】
___0249.“只有安全装置关合时,机器才能运转;而只有机器的危险部件停止运动时,安全装置才能开启。”这是( )安全装置的原理。
A. 固定
B. 联锁
C. 隔离
D. 可调
【单选题】
___0250.二硫化碳的设备、管道、阀门、考克、液面计等处应当严密无泄漏,各法兰处装设接地片,并接地良好。地面上的贮罐应有( )装置。
A. 防潮
B. 防虫
C. 防爆
D. 降温
【单选题】
___0251.《纺织工业企业安全管理规范》(AQ 7002—2007)规定,二硫化碳贮罐必须( ),操作平台应装设围栏。
A. 少于一半浸入水中
B. 多于一半浸入水中
C. 全部浸入水中
D. 全部浸入油中
【单选题】
___0252.三相用电设备中配置有单相用电器具时,应选用( )芯电缆。
A. 五
B. 四
C. 三
D. 二
【单选题】
___0253.当连锁机械少且分散时,胶带运输线的控制宜采用( )。
A. 局部集中控制
B. 连锁分散控制
C. 室内集中控制
D. 自动控制
【单选题】
___0254.禁止标志,代表的意义为( )。
A. 禁止人们做出不安全行为的图形标志
B. 强制人们必须做出某种动作或采用防范措施的图形标志
C. 提醒人们对周围环境引起注意的图形标志
D. 向人们提供某种信息的图形标志
【单选题】
___0255.《安全标志及其使用导则》(GB 2894—2008)规定,( )标志是指用以表达特定安全信息的标志,由图形符号、安全色、几何形状(边框)或文字构成。
A. 安全
B. 禁止
C. 警告
D. 指令
【单选题】
___0256.( )是指传递安全信息含义的颜色,包括红、蓝、黄、绿四种颜色。
A. 警告标志
B. 禁止标志
C. 安全标志
D. 安全色
【单选题】
___0257.( )标志是指禁止人们不安全行为的图形标志。
A. 安全
B. 警告
C. 禁止
D. 提示
【单选题】
___0258.( )标志是指提醒人们对周围环境引起注意,以避免可能发生危险的图形标志。
A. 禁止
B. 警告
C. 指令
D. 提示
【单选题】
___0259.( )标志是强制人们必须做出某种动作或采用防范措施的图形标志。
A. 警告
B. 安全
C. 指令
D. 提示
【单选题】
___0260.( )标志是指向人们提供某种信息(如标明安全设施或场所等)的图形标志。
A. 指令
B. 提示
C. 警告
D. 禁止
【单选题】
___0261.( )标志是指向人们提供特定提示信息(标明安全分类或防护措施等)的标记,由几何图形边框和文字构成。
A. 提示
B. 指令
C. 禁止
D. 说明
【单选题】
___0262.( )标志是指所提供的信息涉及较大区域的图形标志,标志种类代号:H。
A. 说明
B. 提示
C. 局部信息
D. 环境信息
【单选题】
___0263.( )标志是指所提供的信息只涉及某地点,甚至某个设备或部件的图形标志。标志种类代号:J。
A. 指令
B. 禁止
C. 局部信息
D. 环境信息
【单选题】
___0264.“禁止堆放”标志应设置的范围和地点是( )等。
A. 木工车间
B. 高处作业现场
C. 变压器室
D. 消防通道
【单选题】
___0265.“禁止乘人”标志应设置的范围和地点是乘人易造成伤害的设施,如( )等。
A. 乙炔站
B. 油漆车间
C. 高处作业现场
D. 室外运输吊篮
【单选题】
___0266.“禁止跨越”标志应设置的范围和地点是禁止跨越的危险地段,如( )等。
A. 油漆车间
B. 专用的运输通道
C. 变压器室
D. 化工药品库
推荐试题
【多选题】
Which two statements correctly describe VM-Host affinity rules? (Choose two.) ___
A. When there is more than one VM-Host affinity rule in a vSphere DRS cluster, the rules are applied equally.
B. After creating a VM-Host affinity rule, its ability to function in relation to other rules is predetermined.
C. When there is more than one VM-Host affinity rule in a vSphere
D. RS cluster, the rules will be ranked.
【多选题】
An administrator wants to enable proactive HA by moving virtual machines automatically if a hardware alert is triggered. What are the three required settings? (Choose three.)___
A. Set vSphere DRS Automation to Partially Automated.
B. Turn on Proactive HA.
C. Set the Proactive HA Automation Level to Manual.
D. Set the Proactive HA Automation Level to Automated.
E. Turn on vSphere HA and vSphere DRS.
【多选题】
If vCenter Server 5.5 installation has one or more services deployed remotely, which three services are relocated to vCenter Server 6.5 on upgrade? (Choose three.)___
A. vCenter Inventory Services
B. vSphere Authentication Proxy
C. vSphere Web Client
D. vSphere
E. SXi Dump Collector
【多选题】
What two debugging levels can a virtual machine be configured to? (Choose two.)___
A. Verbose
B. Debugging
C. Statistics
D. Trivia
【多选题】
What are three benefits of using a few large-capacity LUNs instead of many small-capacity LUNs? (Choose three.) ___
A. Better performance because there is less contention for a single volume.
B. More flexibility for resizing virtual disks.
C. Less wasted storage space.
D. More flexibility to create virtual machines without adding new LUNs.
E. Fewer VMFS datastores to manage.
【多选题】
Which two configurable options are available in Boot Options for a virtual machine? (Choose two.)___
A. Tools Upgrades
B. Encryption
C. Firmware
D. Force BIOS setup
【多选题】
Which three VMware-recommended best practices should an administrator follow before upgrading to vSphere 6.5? (Choose three.)___
A. Disconnect ESXi host from vCenter.
B. VMware Tools are installed in the virtual machine.
C. Ensure that the system hardware complies with ESXi requirements.
D. Back up the host.
E. Check the interoperability of any other software integrated with vSphere.
【多选题】
What are two requirements to enable EVC in vSphere DRS cluster? (Choose two.)___
A. CPUs must be from the same vendor.
B. EVC must use the lowest possible baseline supported by the hardware.
C. CPUs must be in the same family and of the same speed.
D. No VMs may be running in the cluster.
【多选题】
What three conditions could result in VMware Flash Read Cache being unable to claim a disk? (Choose three.)___
A. The disk is not listed in the VMware hardware compatibility guide.
B. The disk is not detected as an SSD.
C. The disk is not detected as local.
D. The disk is in use by VMFs.
【多选题】
Boot from SAN is supported on which three storage technologies? (Choose three.)___
A. VMware vSAN
B. FCoE
C. NFS 4.1
D. iSCSI
E. FC
【多选题】
Which two components are part of storage I/O multipathing on ESXi? (Choose two.)___
A. SATP
B. VASA
C. PSP
D. VAAI
【多选题】
Which two statements are true about Highly Available vSphere Auto Deploy infrastructure? (Choose two.)___
A. It helps prevent data loss.
B. It is a prerequisite for using vSphere Auto Deploy with stateful install.
C. It requires two or more Auto
D. eploy servers.
【多选题】
The virtual machine log rotation size can be changed for all VMs by which two interfaces? (Choose two.)___
A. PowerCLI
B. vSphere Web Client
C. ESXi host client
D. esxcli
【多选题】
Which two configuration options can exclude virtual disks from snapshot operations? (Choose two.)___
A. Use RDM in virtual mode for virtual disk.
B. Use virtual disks in Independent – Persistent mode.
C. Use a virtual disk larger than 2 TB in size.
D. Use RDM in physical mode for virtual disk.
【多选题】
Which two storage configurations on the source server are unsupported with VMware Converter? (Choose two.)___
A. Linux LVM
B. software RAID
C. GPT/MBR hybrid disks
D. Windows basic volumes
E. Windows dynamic volumes
【多选题】
Which two statements about vCenter HA are correct? (Choose two.)___
A. ESXi 5.5 or later is required.
B. vCenter HA network latency between nodes must be less than 50 ms.
C. NFS datastore is supported.
D. It must be deployed on a 3
E. SXi host cluster with DRS enabled.
【多选题】
An attempt to delete NFS datastore from a ESXi host returns the error: Sysinfo error on operation returned the following status:< Busy> Which two statements could explain this failure? (Choose two.)___
A. NFS datastore is a part of Storage DRS Cluster.
B. NFS.VolumeRemountFrequency value is set to 30.
C. Storage I/O Control is enabled on NFS datastore.
D. NFS datastore has running or registered virtual machines.
【多选题】
An administrator finds that the Microsoft Exchange virtual machines are exhibiting network latency. What two in-guest changes can help decrease latency? (Choose two.)___
A. LRO
B. TSO
C. SR-IOV
D. PVRDMA
【多选题】
Which two types of iSCSI adapters require VMkernel networking configuration? (Choose two.)___
A. dependent hardware
B. in-guest
C. software
D. independent hardware
【多选题】
Which two statements are true for NFS v4.1 firewall behavior? (Choose two.)___
A. It closes port 2049.
B. It sets allowed. All flag to TRUE.
C. It sets allowed. All flag to FALSE.
D. It opens port 2049.
【多选题】
A vSphere Administrator attempts to enable Fault Tolerance for a virtual machine but receives the following error: Secondary VM could not be powered on as there are no compatible hosts that can accommodate it. What two options could cause this error? (Choose two.)___
A. The other ESXi host(s) are in Maintenance Mode.
B. Hardware virtualization is not enabled on the other ESXi host(s).
C. The other ESXi host(s) are in Quarantine Mode.
D. Hardware MMU is enabled on the other
E. SXi host(s).
【多选题】
Storage capabilities be populated in what two ways? (Choose two.)___
A. The administrator can use tags to describe capabilities.
B. Default capabilities are provided by vCenter Server.
C. Datastores can advertise their capabilities through VAAI.
D. Datastores can advertise their capabilities through VASA.
【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
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