To prevent possible failures or issues during a vSphere upgr_答案

【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

查看试卷，进入试卷练习

微信扫一扫，开始刷题

答案

解析

暂无解析

相关试题

【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

查看答案解析

【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

查看答案解析

【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.

查看答案解析

【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.

查看答案解析

【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.

查看答案解析

【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.

查看答案解析

【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.

查看答案解析

【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.

查看答案解析

【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.

查看答案解析

【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

查看答案解析

【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

查看答案解析

【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

查看答案解析

【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.

查看答案解析

【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

查看答案解析

【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.

查看答案解析

【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.

查看答案解析

【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.

查看答案解析

【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.

查看答案解析

【多选题】

Which two features require the use of Host Profiles? (Choose two.)___

A. Host Customizations

B. shared storage

C. Auto

D. eploy

查看答案解析

【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

查看答案解析

【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

查看答案解析

【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.

查看答案解析

【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.

查看答案解析

【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

查看答案解析

【多选题】

What two debugging levels can a virtual machine be configured to? (Choose two.)___

A. Verbose

B. Debugging

C. Statistics

D. Trivia

查看答案解析

【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.

查看答案解析

【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

查看答案解析

【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.

查看答案解析

【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.

查看答案解析

【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.

查看答案解析

【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

查看答案解析

【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

查看答案解析

【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.

查看答案解析

【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

查看答案解析

【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.

查看答案解析

【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

查看答案解析

【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.

查看答案解析

【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.

查看答案解析

【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

查看答案解析

【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

查看答案解析

推荐试题

【单选题】

___0033.以下需要使用警示词“危险”的是（）。

A. 高闪点液体

B. 不燃气体

C. 中闪点液体

D. 低闪点液体

查看答案解析

【单选题】

___0034.《化学品安全标签编写规定》（GB 15258—2009）要求，集装箱、成组货物的安全标签应位于（）。

A. 一个侧面

B. 两个侧面

C. 三个侧面

D. 四个侧面

查看答案解析

【单选题】

___0035.危险货物道路运输罐车应沿罐体水平中心线两侧喷涂一条表示运输介质种类的色带，其中色带颜色为黑色的罐车运输的介质属于（）。

A. 毒性介质

B. 爆炸、易燃类介质

C. 腐蚀性介质

D. 其他介质

查看答案解析

【单选题】

___0036.压缩天然气加气柱和卸气柱的加气、卸气软管应采用（）的气体承压软管。

A. 耐天然气腐蚀

B. 阻燃

C. 难燃

D. 易燃

查看答案解析

【单选题】

___0037.全冷冻式液化石油气储罐与全压力式液化石油气储罐（）设置在同一罐区内。

A. 不得

B. 必须

C. 可

D. 宜

查看答案解析

【单选题】

___0038.要定期对使用（）热水器的家庭进行安全检查，对不符合安装和使用条件的要及时提醒。

A. 燃煤

B. 电力

C. 火力

D. 燃气

查看答案解析

【单选题】

___0039.贮存易燃、易爆化学危险品的建筑，必须安装（）。

A. 纱窗

B. 门帘

C. 推拉门

D. 避雷设备

查看答案解析

【单选题】

___0040.贮存化学危险品的建筑必须安装（），并注意设备的防护措施。

A. 纱窗

B. 通风设备

C. 门帘

D. 防盗窗

查看答案解析

【单选题】

___0041.《常用化学危险品贮存通则》（GB 15603—1995）规定，通风管应采用（）材料制作。

A. 阻燃

B. 易燃

C. 难燃

D. 非燃烧

查看答案解析

【单选题】

___0042.《常用化学危险品贮存通则》（GB 15603—1995）规定，通风管道（）穿过防火墙等防火分隔物。

A. 严禁

B. 必须

C. 不宜

D. 可

查看答案解析

【单选题】

___0043.《常用化学危险品贮存通则》（GB 15603—1995）规定，采暖管道和设备的保温材料，必须采用（）材料。

A. 阻燃

B. 易燃

C. 难燃

D. 非燃烧

查看答案解析

【单选题】

___0044.煤气的冷却宜采用（）冷却，冷却用水和洗涤用水应采用（）循环系统。

A. 间接；开放

B. 间接；封闭

C. 直接；开放

D. 直接；封闭

查看答案解析

【单选题】

___0045.《城镇燃气设计规范》（GB 50028—2006）规定，轻油制气厂（）不设工业废水处理装置。

A. 严禁

B. 必须

C. 应

D. 可

查看答案解析

【单选题】

___0046.穿越或跨越重要河流的燃气管道，在河流两岸均应设置（）。

A. 阀门

B. 警示标识

C. 紧急通讯设备

D. 限速标识

查看答案解析

【单选题】

___0047.压缩天然气加气站宜靠近（），并应具有适宜的交通、供电、给水排水、通信及工程地质条件。

A. 山区

B. 城市郊区

C. 河流

D. 气源

查看答案解析

【单选题】

___0048.石油储罐机械化清洗作业电气安装时，每个法兰连接口均应使用（）根铜质导线进行跨接。

A. 一

B. 二

C. 三

D. 四

查看答案解析

【单选题】

___0049.《危险化学品仓库建设及储存安全规范》（DB11/ 755—2010）规定，存在爆炸危险的危险化学品仓库应设置泄压设施，泄压方向宜向（）。

A. 上

B. 下

C. 左

D. 右

查看答案解析

【单选题】

___0050.《危险化学品仓库建设及储存安全规范》（DB11/ 755—2010）规定，危险化学品仓库建设应符合相关要求，不应设有（）。

A. 泄压设施

B. 防雷设施

C. 防静电设施

D. 地下室

查看答案解析

【单选题】

___0051.《危险化学品仓库建设及储存安全规范》（DB11/ 755—2010）规定，危险化学品（）和电气设备的配电箱及电气开关应设置在（）。

A. 仓库外照明设施；仓库外

B. 仓库内照明设施；仓库内

C. 仓库外照明设施；仓库内

D. 仓库内照明设施；仓库外

查看答案解析

【单选题】

___0052.《危险化学品仓库建设及储存安全规范》（DB11/ 755—2010）规定，危险化学品仓库内照明设施应可靠接地，安装（）保护设施，采取防雨、防潮保护措施。

A. 防爆

B. 漏电

C. 高压

D. 泄压

查看答案解析

【单选题】

___0053.《危险化学品仓库建设及储存安全规范》（DB11/ 755—2010）规定，储存（）的危险化学品仓库应设置可燃气体报警装置。

A. 氧化性气体

B. 易燃固体

C. 氧化性液体

D. 易燃气体

查看答案解析

【单选题】

___0054.《危险化学品仓库建设及储存安全规范》（DB11/ 755—2010）规定，储存（）危险化学品仓库的地面应防腐。

A. 剧毒性

B. 易燃液体

C. 自反应物质

D. 腐蚀性

查看答案解析

【单选题】

___0055.《危险化学品仓库建设及储存安全规范》（DB11/ 755—2010）规定，危险化学品气体经营单位仓库围墙至少应为（）实墙，屋顶为轻质（）材料。

A. 两面；可燃

B. 两面；不燃

C. 三面；可燃

D. 三面；不燃

查看答案解析

【单选题】

___0056.《危险化学品仓库建设及储存安全规范》（DB11/ 755—2010）规定，危险化学品气体经营单位仓库门前应设置宽度不少于（）m的装卸平台，并设置台阶。

A. 1

B. 2

C. 3

D. 4

查看答案解析

【单选题】

___0057.《火灾分类》（GB/T 4968—2008）按物质的燃烧特性将火灾分类，其中甲醇火灾属于（）火灾。

A. A类

B. B类

C. C类

D. D类

查看答案解析

【单选题】

___0058.下列火灾探测器中属于接触式探测器的是（）。

A. 感烟式探测器

B. 感光式探测器

C. 图像式探测器

D. 光电式探测器

查看答案解析

【单选题】

___0059.库房内不应安放和使用（）。

A. 应急照明灯具

B. 消火栓

C. 电暖气

D. 灭火器

查看答案解析

【单选题】

___0060.根据《建筑灭火器配置验收及检查规范》（GB 50444—2008）规定，下列说法有误的一项是（）。

A. 灭火器应有出厂合格证和相关证书

B. 灭火器的铭牌、生产日期和维修日期等标志应齐全

C. 灭火器筒体不应有丝毫缺陷和机械损伤

D. 灭火器的保险装置应完好

查看答案解析

【单选题】

___0061.《建筑灭火器配置验收及检查规范》（GB 50444—2008）规定，灭火器的安装设置应稳固，灭火器的铭牌应（），灭火器的器头宜（）。

A. 朝外；向上

B. 朝外；向下

C. 朝内；向上

D. 朝内；向下

查看答案解析

【单选题】

___0062.防火防爆安全装置可以分为阻火隔爆装置与防爆泄压装置两大类。下列装置中，属于防爆泄压装置和（）。

A. 单向阀

B. 爆破片

C. 火星灭火器

D. 化学抑制防爆装置

查看答案解析

【单选题】

___0063.《建筑灭火器配置验收及检查规范》（GB 50444—2008）规定，化学泡沫型灭火器、酸碱型灭火器（）。

A. 应每半月进行一次检查

B. 不应倒置放置

C. 应及时维修

D. 应报废

查看答案解析

【单选题】

___0064.根据《机械安全火灾防治》（GB 23819—2009）规定，下列属于热能类点燃源的是（）。

A. 内燃机

B. 电磁辐射

C. 超声波

D. 热感应

查看答案解析

【单选题】

___0065.根据《机械安全火灾防治》（GB 23819—2009）规定，下列属于电能类点燃源的是（）。

A. 激光

B. 短路

C. 自加热

D. 碰撞

查看答案解析

【单选题】

___0066.根据《机械安全火灾防治》（GB 23819—2009）规定，下列属于机械能类点燃源的是（）。

A. 电弧

B. 静电释放

C. 焊接飞溅物

D. 摩擦

查看答案解析

【单选题】

___0067.根据《机械安全火灾防治》（GB 23819—2009）规定，下列属于化学能类点燃源的是（）。

A. 自燃

B. 热感应

C. 明火

D. 压缩

查看答案解析

【单选题】

___0068.《建筑设计防火规范》（GB 50016—2014）规定，厂房和仓库的耐火等级可分为（）级。

A. 五

B. 四

C. 三

D. 二

查看答案解析

【单选题】

___0069.《建筑设计防火规范》（GB 50016—2014）规定，（）类生产场所（仓库）不应设置在地下或半地下。

A. 甲、乙

B. 乙、丙

C. 丙、丁

D. 丁、戊

查看答案解析

【单选题】

___0070.《建筑设计防火规范》（GB 50016—2014）规定，桶装、瓶装（）液体不应露天存放。

A. 甲类

B. 甲、乙类

C. 甲、乙、丙类

D. 甲、乙、丙、丁类

查看答案解析

【单选题】

___0071.《消防控制室通用技术要求》（GB 25506—2010）规定，有（）消防控制室时，应确定主消防控制室和分消防控制室。

A. 两个或两个以上

B. 三个或三个以上

C. 四个或四个以上

D. 五个或五个以上

查看答案解析

【单选题】

___0072.根据《消防控制室通用技术要求》（GB 25506—2010），消防控制室内应保存的纸质和电子档案资料不包括（）。

A. 建筑物竣工后的总平面布局图

B. 值班人员个人情况

C. 消防安全培训记录

D. 值班情况、消防安全检查情况

查看答案解析