相关试题
【多选题】
使用救生照明线必须注意:___。
A. 水中使用时,防止触电
B. 使用后应冷却
C. 不得超出极限负荷
D. 边使用边冷却
【多选题】
水带供水系统的类型有___。
A. 串联系统
B. 并联系统
C. 水平供水系统
D. 垂直供水系统
【多选题】
水带串联系统压力损失计算可按___进行计算。
A. 压力损失叠加法
B. 阻力系数法
C. 流量平分法
D. 阻力平分法
【多选题】
水枪控制面积的计算与___有关。
A. 消防队员的操作能力
B. 灭火用水供给强度
C. 水枪的流量
D. 火灾的阶段
【多选题】
同型、同径水带并联系统压力损失计算可按___进行计算。
A. 压力损失叠加法
B. 阻力系数法
C. 流量平分法
D. 阻力平分法
【多选题】
消防车最大供水高度计算与___有关。
A. 消防车水泵的出口压力
B. 水带系统的压力损失、
C. 标高差
D. 射流的形式
【多选题】
水带并联系统压力损失计算可按___进行计算。
A. 压力损失叠加法
B. 阻力系数法
C. 流量平分法
D. 阻力平分法
【多选题】
关于水带的阻抗系统论述正确的是___
A. Φ65mm胶里水带的阻抗系数为0、015
B. Φ65mm胶里水带的阻抗系数为0、035
C. Φ80mm胶里水带的阻抗系数为0、015
D. Φ80mm胶里水带的阻抗系数为0、008
【多选题】
下列水枪流量描述正确的是___。
A. Ф19mm水枪,当其有效射程为15m时,流量为6、5L/s。
B. Ф19mm水枪,当其有效射程为17m时,流量为7、5L/s。
C. Ф19mm水枪,当其有效射程为13m时,流量为6、5L/s。
D. Ф19mm水枪,当其有效射程为15m时,流量为7、5L/s。
E. Ф19mm水枪,当其有效射程为10m时,流量为7、5L/s。
【多选题】
下列有关枝状给水管网表述正确的有___。
A. 管道成树枝状排列
B. 水流单向流动
C. 管道成闭合网状排列
D. 任一点取水可双向供水
【多选题】
下列有关环状给水管网表述正确的有___。
A. 管道成树枝状排列
B. 管道成闭合环状排列
C. 任一点取水可双向供水
D. 管道成闭合枝状排列
【多选题】
关于计算公式Q = 5D2V中流速V的取值表述正确的有___。
A. 当管道压力在10~30×104Pa时,枝状管道V取0、5m/s
B. 当管道压力在10~30×104Pa时,枝状管道V取1、0m/s
C. 当管道压力在10~30×104Pa时,环状管道V取1、5m/s
D. 当管道压力在10~30×104Pa时,环状管道V取2、0m/s
【多选题】
关于水罐(泵浦)消防车消防车串联供水及计算表述正确的有___。
A. 串联供水,又称接力供水,
B. 水源离火场的距离超过消防车常规的直接供水距离时,应采用串联供水
C. 向高层建筑供水压力不够时,应采用串联供水
D. 串联供水,当将水送往前面水罐(泵浦)车进水口处时,至少应留有40×104Pa的剩余压力
【多选题】
燃烧面积的计算方法有___。
A. 公式法
B. 估算法
C. 查表法
D. 图表法
【多选题】
运用估算法计算燃烧面积的方法有___。
A. 经验法
B. 目测法
C. 公式法
D. 等差法
【多选题】
火场实际用水量为___的乘积。
A. 火场面积
B. 火场燃烧面积
C. 灭火用水供给强度 事
D. 故现场周长
【多选题】
固体可燃物的燃烧面积与___有关。
A. 水枪的流量
B. 火灾延续时间
C. 火灾的蔓延速度
D. 消防用水储备量
【多选题】
砖木结构建筑发生火灾后,___最容易出现垮塌。
【多选题】
扑救砖木结构建筑火灾,为防止建筑倒塌,不能使用大口径水枪直接冲击的部位有___。
【多选题】
火灾中不会发生沸溢和喷溅的油品是:___。
【多选题】
大型商场的火灾特点主要是___。
A. 火势猛烈,蔓延迅速
B. 烟雾浓毒性大,易造成人员伤亡
C. 通道狭窄,战斗展开难
D. 可燃物质多,易发生轰燃
【多选题】
有毒区域火灾特点是___。
A. 火灾蔓延迅速
B. 易发生中毒事故
C. 火灾易于扩大
D. 易发生连锁反应
【多选题】
扑救有毒区域火灾时,造成扑救困难的主要原因是___。
A. 部分有毒物质在燃烧时,不能用水扑救
B. 个人防护装具沉重,使战斗人员的行动受到一定影响
C. 发生连锁反应,危险性大
D. 参战力量多,沟通协调不便
【多选题】
处置建筑倒塌事故,应当调派___等车辆。
A. 举高车
B. 抢险救援车
C. 泡沫车
D. 干粉车
【多选题】
建筑倒塌事故处置程序与措施主要包括___。
A. 侦察检测
B. 救生排险
C. 进行人员和任务分工,快速展开救援行动
D. 做好保障
【多选题】
建筑物倒塌事故中,可以利用哪些工具搜寻遇险和被困人员___。
A. 生命探测器
B. 搜救犬
C. 大型铲车
D. 吊车
【多选题】
实施三级防护的区域为___。
A. 微毒轻度危险
B. 微毒中度危险区
C. 微毒重度危险区 区
D. 微毒安全区
【多选题】
常用并发控制技术有___。
A. 时间戳
B. 封锁
C. 封装
D. 时间轴
【多选题】
计算机加密技术主要有___。
A. 数据加密
B. 通信加密
C. 用户加密
D. 路径加密
【多选题】
通信保障预案的编制形式有___。
A. 文字式
B. 文字附图表式
C. 图表式
D. 图文式
【多选题】
在信息安全中,除了五个安全目标外,还有___。
A. 可审计性
B. 可鉴别性
C. 不可控性
D. 否定性
【多选题】
当消防员随身佩戴呼救器进入火场或事故现场进行灾情侦察、灭火救援和抢险救灾时,一旦遇到威胁人身安全的险情,不能行动或失去知觉,呼救器通过手动或自动发出___。
A. 连续报警声响信号
B. 定位频闪光信号
C. 图像信号
D. 间断报警声响信号
【多选题】
低倍泡沫枪可在消防系统供给___的各类型泡沫混合液的情况下使用,此时应将球阀处于关闭状态。
【多选题】
中队灭火战斗网的主要功能是___之间的通信联络
A. 水枪手与驾驶员
B. 中队指挥员与水枪手
C. 后方指挥员与供水车辆
D. 通信员与指挥中心
E. 总指挥员与中队指挥员
【多选题】
担任主台的电台操作员,应___
A. 机动灵活
B. 操作熟练
C. 指挥有序
D. 能显示天气情况
【多选题】
防火监督部(处)应当履行下列战备职责___。
A. 及时向司令部门和消防大队、中队通报辖区消防安全重点单位存在的影响灭火救援工作的问题、火灾隐患及变化情况;
B. 做好执勤力量对辖区消防安全重点单位熟悉和演练的协调工作,参与制定本级执勤战斗预案,提供相关信息资料;
C. 在发生火灾事故时,立即派员赶赴现场,提供灭火救援相关信息,协同开展灭火救援行动;
D. 掌握辖区各类灾害事故的特点、处置对策、消防安全重点单位有关情况和本级执勤战斗预案相关内容
【多选题】
公安消防部队的灭火与应急救援组织指挥层次包括___。
A. 部局;
B. 总队;
C. 支队;
D. 中队
【多选题】
现场作战总指挥部应根据现场实际需要吸收有关单位的___参加。
A. 负责人;
B. 工程技术人员;
C. 专家;
D. 志愿者
【多选题】
总(支、大)队交接班主要内容是___。
A. 检查、清点装备;
B. 安排执勤工作;
C. 通报执勤战斗情况;
D. 明确战备任务
推荐试题
【单选题】
A VM folder contains VM1 and VM2. Group A has permission to power on virtual machines, defined on the VM folder and its children. Group B has permission to power off virtual machines, defined on the VM folder and its children. If a user is a member of Groups A and B, what will be the user’s effective permission on VM1 and VM2?___
A. Power on
B. Power off.
C. Power on and Power off.
D. Reset.
【单选题】
Group 1 is granted console interaction on a VM folder. User 1 is granted no console interaction on the same VM folder. What will be the outcome if User 1 tries to access the console of a virtual machine?___
A. User 1 will not be able to access the virtual machines in the VM folder.
B. User 1 will not have access to the virtual machine console.
C. User 1 will have access to the virtual machine console.
D. User 1 will have console access only via the vSphere Web Client.
【单选题】
Which statement is true regarding the use of VMFS3 datastores with vSphere 6.5?___
A. VMFS3 datastores can be used but not created.
B. VMFS3 datastores can be neither used nor created.
C. VMFS3 datastores will be present but unmounted.
D. VMFS3 datastores can be created and used.
【单选题】
In the Exhibit, each VM has a 1GHz non-expandable reservation. If all VMs are powered on in sequence, what would be the outcome?___
A. VM4 cannot be powered on.
B. VM5 cannot be powered on.
C. VM6 cannot be powered on.
D. VM3 cannot be powered on.
【单选题】
vSphere 6.5 introduced MAClearning capabilities for VMware’s virtual switches. What three benefits will it provide? (Choose three.)___
A. Reduced memory consumption.
B. Reduced consumption of extra CPU cycles.
C. Increased network throughput.
D. Prevent packet flooding inside the vSwitch.
【单选题】
What is the default pathing policy for most active-active arrays?___
A. Fixed
B. Most Recently Used
C. Dynamic
D. isk Morroring
【单选题】
Which command will show the iSCSI sessions on a ESXi 6.5 host?___
A. esxcli storage iscsi session get
B. esxcli iscsi session get
C. esxcli storage iscsi session
D. esxcli iscsi session list
【单选题】
Which of the following is not a parameter for traffic filtering or marking?___
A. virtual port ID
B. Protocol
C. Traffic Direction
D. DSCP value
E. Traffic redirection
【单选题】
A vSphere administrator wants to enable a virtual machine with Secure Boot, but in VM setting, Secure Boot option was not found under Boot Options. What could be the cause?___
A. The virtual hardware is not compatible.
B. The virtual machine has missing drivers.
C. The virtual machine OS does not support secure boot.
D. VMware Tools is not upgraded.
【单选题】
A virtual machine is connected on a distributed port group where the average bandwidth configured in the traffic shaping policy is 100 Mbps. The VM network adapter is configured with a reservation of 200 Mbps. What is the VM’s effective bandwidth?___
A. 200 Mbps
B. 100 Mbps
C. 150 Mbps
D. 400 Mbps
【多选题】
What are two reasons why a datastore in a Storage DRS cluster cannot enter maintenance mode?(Choose two.)___
A. Storage latency is too high to allow Storage DRS initiate Storage vMotion.
B. Storage DRS is configured for a VMFS3 datastore.
C. Storage
D. RS is disabled on the virtual disk.
【多选题】
What two methods are used to configure VMware vSphere Storage I/O Control shares and limits? (Choose two.)___
A. Assign shares and limits to VM virtual disks.
B. Assign shares and limits to datastores.
C. Assign shares and limits to Storage (DRS) clusters.
D. Assign shares and limits using VM storage policies.
【多选题】
ESXi 6.5 introduces VMFS6, which supports both 512e and 512n devices. What three configurations are supported when using these devices? (Choose three.) ___
A. Hosts with both 512e and 512n devices.
B. Storage vMotion between both 512e and 512n devices.
C. Datastore Extents spanned between both 512e and 512n devices.
D. Storage DRS clusters containing only both 512e and 512n devices.
【多选题】
A vSphere Administrator observes that the Primary VM configured with Fault Tolerance is executing slowly. After further investigation, it is determined that the Secondary VM is on an overcommitted ESXi host. What two methods will correct the problem? (Choose two.)___
A. Use Storage vMotion to migrate the Secondary VM to another datastore.
B. Use vMotion to migrate the Secondary VM to a different ESXi host.
C. Configure a CPU limit on the Primary VM which will also apply to the Secondary VM.
D. Turn off and turn on FT in order to recreate the Secondary VM on a different datastore.
【多选题】
Which two features require the use of Host Profiles? (Choose two.)___
A. Host Customizations
B. shared storage
C. Auto
D. eploy
【多选题】
What three processes on the vCenter Server Appliance (VCSA) does“vmware-watchdog monitor? (Choose three.) ___
A. vmware-eam
B. vmcad
C. vmware-vpostgres
D. vpxd
E. vsan-health
【多选题】
What three processes on the vCenter Server Appliance (VCSA) does“vmware-watchdog monitor? (Choose three.) ___
A. vmware-eam
B. vmcad
C. vmware-vpostgres
D. vpxd
E. vsan-health
【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