【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.
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相关试题
【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
【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
推荐试题
【多选题】
根据润滑剂状态的不同，可分为以下几大类___
A. 润滑油
B. 润滑脂
C. 固体润滑剂
D. 气体润滑剂
【多选题】
易燃液体的危险特性包括___
A. 易燃性
B. 蒸汽易爆性
C. 流体扩散性
D. 毒害性
【多选题】
下列选项中，描述气力输送特点正确的是___
A. 产生高压气体是气力输送的用途之一
B. 利用气体在管道内的流动输送粉粒状固体
C. 空气是最常用的输送介质
D. 气力输送机械与液体输送机械的工作原理基本相同
【多选题】
热传播的形式有:___
A. 热传导
B. 热辐射
C. 热损失
D. 热对流
【多选题】
设备外壁温度较高时,其向周围环境介质散发热量的方式有___｡
A. 热传导
B. 对流传导
C. 热辐射
D. 蒸发
【多选题】
现代石油化工生产特点是:___
A. 生产装置规模大、集中布局、立体交叉
B. 连续化、自动化生产，科技含量高
C. 易燃易爆、有毒有害
D. 高温高压、
【多选题】
离心泵轴承一般分为___｡
A. 滑动轴承
B. 推力轴承
C. 直线轴承
D. 滚动轴承
【多选题】
列管式换热器包括___
A. 喷淋式
B. 固定管板式
C. 浮头式
D. U型管式
【多选题】
下类介质可用泵来输送的是___
A. 液态介质
B. 液、固混合介质
C. 气态介质
D. 固态介质
【多选题】
下列各类泵当中，属于容积泵的是___
A. 柱塞泵
B. 隔膜泵
C. 螺杆泵
D. 齿轮泵
【多选题】
属于润滑油“五定”的内容有。___
A. 定点
B. 定质、定量
C. 定期
D. 定人
【多选题】
润滑油有___的作用。
A. 润滑作用
B. 冷却作用
C. 清洗作用
D. 密封作用
【多选题】
润滑油带水时，应作的处理有。___
A. 投用润滑油滤油机
B. 置换润滑油
C. 油箱静置分层，排水
D. 不需处理
【多选题】
精馏塔根据结构大致可分为( )塔和( )塔两大类。___
【多选题】
漏电保护装置主要用于___。
A. 防止人身触电事故
B. 防止中断供电
C. 减少线路损耗
D. 防止漏电火灾事故
【多选题】
下列属于电气火灾灭火器的是___
A. 干粉灭火器
B. CO2灭火器
C. 泡沫灭火器
D. 1211灭火器
【多选题】
DCS是分散控制系统，又叫集中分散控制系统，它是利用___实现过程控制和过程管理的控制系统
A. 计算机技术
B. 控制技术
C. 通信技术
D. 图形显示技术
【多选题】
对于带压开孔、带压堵漏、带压焊接等危险作业和受限空间作业，检查脚手架内容包括___。
A. 脚手架必须设置两个方向不同的逃生通道。
B. 作业平台的脚手板必须铺秘并绑实，设置双拦腰杆的挡脚板。
C. 受限空间内不得使用可燃的脚手板材料；
D. 必须有剪刀叉和连墙件。
【多选题】
现场脚手架检查要点包括___
A. 是否有扫地杆；
B. 是否有双拦腰杆和挡脚板；
C. 是否踏板铺得密并绑牢；
D. 是否有验收合格牌或禁用牌；
【多选题】
扑灭火灾的基本方法有___。
A. 窒息法
B. 冷却法
C. 隔离法
D. 化学抑制法
【多选题】
佩戴空气呼吸器前，检查内容包括___。
A. 确认气瓶压力大于24MPa以上方可使用
B. 气瓶阀门打开至尽头
C. 先做报警试验
D. 做面罩严密性试验
【多选题】
电气线路着火的原因包括___
A. 短路
B. 过载
C. 接触电阻过大
D. 电线电缆温度过高
【多选题】
火灾的直接原因包括___
A. 现场的设施不符合消防安全要求
B. 缺少防火、防爆安全设置和设施
C. 在高处实施电焊、气割作业时对作业周围和下方缺少防护遮挡
D. 消防、疏散、急救设施不全或设置不当
【多选题】
生产工艺过程中所产生静电的最大危险是引起爆炸。因此，在爆炸危险环境必须采取严密的防静电措施。下列各项措施中，属于防静电措施的有___。
A. 安装短路保护和过载保护装置
B. 将作业现场所有不带电的金属连成整体并接地
C. 限制流速
D. 增加作业环境的相对湿度
【多选题】
安全教育包括___等方面
A. 安全知识教育
B. 安全技能教育
C. 安全态度教育
D. 操作技能教育
【多选题】
根据《中国石化用火作业安全管理规定》的要求，用火的作业方式有___。
A. 使用喷灯、火炉、液化气炉、电炉等明火作业
B. 烧（烤、煨）管线、熬沥青、炒砂子、锤击（产生火花）物件、喷沙和产生火花的其他作业
C. 使用雷管炸药等进行爆破作业
D. 刷漆
【多选题】
用火作业前对作业人员的劳保穿戴检查，哪些内容___？
A. 安全帽、工作服、工作鞋等质量是否合格、过期、损坏。
B. 安全带质量是否合格、过期、损坏。
C. 绝缘手套、护脚套、护面罩、眼镜等质量是否合格、过期、损坏；
D. 电焊钳、把线是否完好；
【多选题】
按照茂名石化《用火作业安全管理规定》，下列属于一级用火作业的是___。
A. 正在运行的可燃可爆生产装置区或有可燃气体、液化烃、可燃液体及有毒介质的泵房和机房
B. 管沟、管沟上方及距离管沟两侧各5米以内区域
C. 经吹扫、处理、化验分析合格，并与系统采取有效隔离、不再释放有毒有害和可燃气体的大修油罐的首次罐内大修和喷沙作业。
D. 可燃气体、可燃液体、液化烃、有毒介质的装卸区、洗槽（罐）站等
【多选题】
中国石化的应急工作要遵循以人为本，减少危害；预防与应急并重，常态与非常态结合和___的原则。
A. 统一领导，分级负责
B. 依法规范，加强管理
C. 整合资源，协同应对
D. 依靠科技，提高素质
【多选题】
根据《中国石化应急管理规定》,应急终止条件：___
A. 事件已得到有效控制
B. 受伤人员得到妥善救治
C. 环境污染得到有效控制
D. 损失得到有效控制
【多选题】
进入受限空间动火作业，首次气体采样分析合格后必须在___。
A. 30分钟内进入进行动火作业
B. 4小时内进入进行动火作业
C. 如果超过1小时开始作业，必须用便携式检测仪复测合格
D. 如果超过4小时开始作业，必须用便携式检测仪复测合格
【多选题】
根据《中国石化进入受限空间作业安全管理规定》的要求，采样分析要有代表性、全面性，受限空间容积较大时要对上、中、下部位取样分析，应保证设备内部任何部位的可燃气体浓度和氧含量分析合格；有毒有害物质不超过国家规定的“车间空气中有毒物质的最高允许浓度”的指标，下列分析指标合格的包括___。
A. 当可燃气体爆炸下限大于4%时，其检测浓度不大于0.5%为合格；
B. 爆炸下限小于4%时，其检测浓度不大于0.2%为合格；
C. 氧含量19.5%～23.5%为合格
D. H2S的最高允许浓度≯10mg/m3
【多选题】
按照茂名石化《进入设备(受限空间)作业管理规定》，下列属于特殊进设备作业的___。
A. 气体采样分析不合格或与含有毒有害介质设备相连且无法有效隔离的设备内，经风险评估分析为高风险的作业。
B. 罐内刷漆、喷漆（产生可燃可爆、有毒有害气体或气雾）作业；
C. 与生产污水排放相连的下水井、下水道、涵洞等部位。
D. 人工挖桩孔、井深度超过3米等作业。
【多选题】
NaOH的防护措施包括___
A. 接触碱的人员要戴好胶皮手套、化学安全眼镜或面罩
B. 穿好胶皮靴等防护用品
C. 有碱蒸汽的地方还要戴好防毒口罩
D. 穿好防酸碱服
【多选题】
冻伤后的紧急处理包括___
A. 迅速擦去皮肤上的低温物质
B. 迅速脱去被低温物质浸湿的手套、鞋袜与衣帽等
C. 快速到温暖处，冻伤部位用温水清洗干净然后用少量酒精擦洗
D. 冻伤严重送到医务所或医院处置，昏迷者应立即做人工呼吸
【多选题】
脱丁烷塔顶气体冷凝后一部分作为（），一部分作为（）。___
A. 回流
B. 反冲
C. 碳四产品
D. 粗裂解汽油产品
【多选题】
冷箱系统的冷量来源是___。
A. 制冷压缩机
B. 裂解气压缩机
C. 物料节流膨胀
D. 燃料气压缩机
【多选题】
冷箱能获得的低温是依靠___复达式制冷与裂解气换热高压尾气节流膨胀所得到的。
【多选题】
装置气密性试验时，下列说法正确的是___。
A. 气密性试验是在水压试验前完成
B. 气密性试验是在水压试验完成后才做
C. 气密试验时，所有的垫片应是正式垫片
D. 气密性试验时，所有的垫片是临时垫片
