【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
查看试卷,进入试卷练习
微信扫一扫,开始刷题
答案
D
解析
暂无解析
相关试题
【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
【单选题】
What is the minimum disk space required to deploy vSphere Data Protection (VDP) with 8 TB configuration?___
A. 4 TB
B. 16 TB
C. 8 TB
D. 12 TB
【单选题】
What advanced option for vSphere HA defines a maximum number of reset attempts by VMCP for a virtual machine?___
A. das.maxterminates
B. das.isolationshutdowntimeout
C. das.maxresets
D. fdm.isolationpolicydelaysec
【单选题】
What vSphere technology enables the administrator to ensure consistent configuration at scale?___
A. PowerCLI
B. Host Profiles
C. esxcli
D. vSphere Web Client
【单选题】
Which port is used for vSphere HA agent-to-agent communication?___
A. 443
B. 8182
C. 22
D. 902
【单选题】
Which log file would assist in identifying an issue that occurred during the database export phase of a vCenter Server upgrade process?___
A. vcdb_import.out
B. export.json
C. export-upgrade-runner.log
D. vcdb_export.out
【单选题】
Bidirectional CHAP is support by which storage initiator?___
A. software FCoE HBA
B. Fibre Channel HBA
C. independent hardware iSCSI HBA
D. dependent hardware iSCSI HBA
【单选题】
What is a pool of raw storage capacity that a storage system can provide to Virtual Volumes?___
A. protocol endpoint
B. storage container
C. storage provider
D. datastore
【单选题】
vSphere 6.5 DRS is now Network-Aware. Based on network utilization, when will DRS balance VMs?___
A. DRS will balance VMs when a network resource pool is configured for VMs.
B. DRS will balance VMs when Network I/O Control is enabled.
C. DRS will place VMs on initial boot for hosts that have network utilization lower that the threshold.
D. DRS will vMotion VMs when network utilization is higher than the threshold on a particular host.
【单选题】
A scripted upgrade of ESXi fails due to an incorrect parameter in the upgrade script. What file must the administrator modify to correct the problem?___
A. vmreconfig.pl
B. hostinfo.pl
C. ks.cfg
D. boot.cfg
【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 machine VM2. If a user is a member of group A and B, what action can the user perform?___
A. Suspend VM2.
B. Power off VM1.
C. Power on and power off VM1.
D. Power on and power off VM2.
【单选题】
The networking team has requested to have a dedicated network for iSCSI traffic. This task has been assigned to the vSphere Administrator. What is the VMware-recommended way to accomplish this?___
A. Configure Static Routes on each ESXi Server.
B. Configure the right subnet.
C. Create a custom IP Stack.
D. Define a dedicated gateway for the iSCSI vmkernel.
【单选题】
To prevent possible failures or issues during a vSphere upgrade, which component should be upgraded first?___
A. ESXi Hosts
B. virtual machines
C. datastores
D. vCenter Server
【单选题】
What is the command for updating an ESXi host?___
A. esxcli software vib update –d /vmfs/volumes/Datastore/DirectoryName/PatchName.zip
B. esxupdate software update –d”/vmfs/volumes/Datastore/DirectoryName/PatchName.zip”
C. esxcli software update –d “/vmfs/volumes/Datastore/DirectoryName/PatchName.zip”
D. esxupdate software vib update –d /vmfs/volumes/Datastore/DirectoryName/PatchName.zip
【单选题】
A vSphere Administrator would like to identify which physical NUMA node their virtual machine is currently residing on. What esxtop metric would provide this information?___
A. GST_ND[x]
B. OVD_ND[x]
C. NRMEM
D. NHN
【单选题】
How can a vSphere administrator ensure that two virtual machines never run on the same datastore in a datastore cluster, while permitting the VMs to be load-balanced?___
A. Use an Intra-VM Anti-Affinity Rule.
B. Configure a storage DRS VM override.
C. Disable storage
D. RS for the VMs.
【单选题】
What is the VMware-recommended way to move a physical adapter out of Network I/O Control’s scope?___
A. Set the teaming policy to “Route Based on Physical NIC Load.”
B. Add the vmnic to the Net.NetNiocAllowOverCommit parameter in Advanced System Settings.
C. Add the vmnic to the Net.IOControlPnicOptOut parameter in Advanced System Settings.
D. Move the vmnic to a different vmUplink port on the Distributed Switch.
【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
推荐试题
【单选题】
消防工作贯彻___的方针。
A. 以防为主,以消为辅
B. 以消为主,以防为辅
C. 预防为主,防消结合
D. 消灭为主,防消结合
【单选题】
燃烧的必要条件主要包括可燃物.___.温度。
A. 氧气
B. 助燃剂
C. 热量
D. 空气
【单选题】
闪燃是固体和___的燃烧类型。
A. 气体
B. 液体
C. 油类
D. 氧气
【单选题】
在火场上燃烧物质所放出的热能,通常是以传导.___.辐射等方式传播。
A. 循环
B. 感应
C. 混合
D. 对流
【单选题】
公共娱乐场所一般与甲.乙类生产厂房.库房之间应留有不少于___米的防火间距。
A. 30
B. 40
C. 50
D. 60
【单选题】
商场的安全出口疏散宽度不应小于___米。
A. 1.4
B. 1.5
C. 1.6
D. 1.8
【单选题】
宾馆.饭店内的装饰灯具,如果装饰件是由可燃材料制成的,其灯泡功率不得超过___W。
A. 40
B. 50
C. 60
D. 80
【单选题】
宾馆.饭店内的疏散用应急照明灯,其地面最低照度不应低于()lx,且连续供电时间不应少于___min
A. 0.620
B. 0.530
C. 0.630
D. 0.520
【单选题】
电路一般是由电源.___.连接导线和控制设备四个部分组成。
A. 用电设备
B. 电流
C. 负载
D. 开关
【单选题】
电阻的连接方式主要有串联.___.混连。
A. 并连
B. 混合连
C. 分连
D. 全连
【单选题】
常用电工仪表按用途分可分为电压表.电流表.___等。
A. 伏特表
B. 压力表
C. 功率表
D. 万用表
【单选题】
电气线路引发火灾的主要原因是接触电阻过大.过负荷以及___。
A. 连电
B. 短路
C. 电火花
D. 内部故障
【单选题】
防雷装置是指___.引下线.接地装置.过电压保护器及其他连接导体的总和。
A. 避雷针
B. 避雷器
C. 导入器
D. 接闪器
【单选题】
火灾自动报警系统由___.报警装置.警报装置.控制设备和电源五部分组成。
A. 触发装置
B. 电气设备
C. 操控装置
D. 应急设备
【单选题】
火灾探测器可以把温度.___.辐射光强度等转换成电信号,向火灾报警控制器发送报警信号。
A. 烟雾强度
B. 烟雾浓度
C. 烟气强度
D. 烟气浓度
【单选题】
消防广播从结构形式上可分为___广播和总线制广播两种。
A. 分线制
B. 连线制
C. 多线制
D. 导线制
【单选题】
室外消防给水系统的类型,按消防水压分,可分为高压消防给水系统,临时高压消防给水系统和___。
A. 常压消防给水系统
B. 临时常压消防给水系统
C. 低压消防给水系统
D. 临时低压消防给水系统
【单选题】
根据对消防用水水量或扬程的不同要求,消防水泵可以采取串连和___两种形式进行连接。
A. 并连
B. 混连
C. 分连
D. 全连
【单选题】
室内消火栓设备,通常由水枪.水带和___组成。
A. 分水器
B. 消火栓
C. 水管
D. 报警器
【单选题】
室内火灾的发展过程主要包括初起阶段.___.猛烈燃烧阶段和下降熄灭阶段。
A. 上升阶段
B. 平衡阶段
C. 持续阶段
D. 发展阶段
【单选题】
防火门按其耐火极限可分为甲乙丙三级,耐火极限分别不低于___小时。
A. 2.01.61.2
B. 1.51.21.0
C. 1.20.90.6
D. 1.00.60.3
【单选题】
公共建筑的入场门.太平门的净宽度不应小于()米,紧靠门口()米内不应设置踏步;室外疏散小巷的净宽度不应小于___米。
A. 1.51.44
B. 1.41.53
C. 1.51.54
D. 1.41.43
【单选题】
消防电梯应设___,并宜靠外墙设置。
A. 前室
B. 前门
C. 前厅
D. 避难间
【单选题】
根据装修材料的不同燃烧性能,将内部装修材料分为四级,其中B1为___。
A. 可燃性材料
B. 不燃性材料
C. 易燃性材料
D. 难燃性材料
【单选题】
消防用电设备的配电线路应穿管保护,明敷时,必须穿___管。
A. PVC
B. 金属
C. 塑料
D. 铜
【单选题】
低倍数泡沫是指发泡倍数在___倍以下的泡沫。
A. 1
B. 2
C. 20
D. 200
【单选题】
人员密集场所火灾特点主要是火势猛烈.蔓延迅速;烟雾浓.毒性大,易造成人员伤亡;___;扑救火灾难度大;疏散困难等。
A. 有毒气体威胁大
B. 火场高温炙烤
C. 玻璃幕墙恼人
D. 人员密集
【单选题】
火场逃生的原则是:确保安全.迅速撤离,___。
A. 顾全大局.救助结合
B. 相互扶持.密切配合
C. 熟悉环境.暗记出口
D. 做好防护.组织有序
【单选题】
常见的水枪射流类型有分散射流和___射流。
A. 密集
B. 集中
C. 全面
D. 整体
【单选题】
用水扑救油类火灾,主要是利用水能___非水溶性可燃液体。
A. 稀释
B. 溶化
C. 乳化
D. 冷却
【单选题】
一般普通建筑室内消火栓系统最不利消火栓处充实水柱不得小于___。
A. 7m
B. 10m
C. 15m
D. 20m
【单选题】
当二氧化碳在空气中的含量达到___时,燃烧即熄灭。
A. 20%—40%
B. 30%—50%
C. 40%—60%
D. 50%—70%
【单选题】
高层民用建筑的裙房设置的消火栓,其距离不应超过___米。
A. 25
B. 35
C. 40
D. 50
【单选题】
水泵接合器是消防车往室内___供水的接口。
A. 消火栓
B. 消防用水设施
C. 消防管网
D. 消防水箱
【单选题】
高层民用建筑和高层工业建筑中封闭楼梯间的门应采用___防火门。
A. 甲级
B. 乙级
C. 丙级
D. 一级
【单选题】
避难层是___建筑发生火灾时,供人员临时避难使用的楼层。
A. 高层
B. 超高层
C. 工业
D. 民用
【单选题】
避难层的类型主要有敞开式.封闭式以及___。
A. 半敞开式
B. 半封闭式
C. 室外式
D. 室内式
【单选题】
室外疏散楼梯的门应采用___防火门。
A. 甲级
B. 乙级
C. 丙级
D. 三级
【单选题】
一般情况下,水枪的有效射程在___米之间。
A. 10—15
B. 7—17
C. 7—15
D. 10—17
【单选题】
室外消火栓有一个直径为___毫米和两个直径65毫米的出水口。
A. 50
B. 80
C. 100
D. 120