【单选题】
An ESXi host's VMCA-Signed certificate has expired. How can the certificate be renewed?___
A. In the vSphere Web Client, browse to the host in question. Click the Manage tab and select settings. Select System and click Certificate, then click the Renew button.
B. In the vSphere Web Client, browse to the host in question. Click the Manage tab and select settings. Select System and click Certificate, then click the Refresh CA Certificates button.
C. Run the command /sbin/generate-certificates on the affected host.
D. Disconnect the host from vCenter Server and reconnect it.
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相关试题
【单选题】
Which is the correct order for upgrading vSphere components?___
A. vCenter Server, ESXi hosts, VMware Tools, Virtual Machine hardware
B. VMware Tools, Virtual Machine hardware, ESXi hosts, vCenter Server
C. vCenter Server, Virtual Machine hardware, VMware tools, ESXi hosts
D. ESXi hosts, vCenter Server, Virtual Machine hardware, VMware Tools
【单选题】
Which iSCSI initiator type can be used with any network interface card?___
A. Software iSCSI initiator
B. Software FCoE adapter
C. Hardware Independent iSCSI initiator
D. Hardware Dependent iSCSI initiator
【单选题】
An administrator is attempting to power on a virtual machine with 32GB of memory. The operation fails with the following error: <Could not power on VM: No space left on device> <Checking the space on the virtual machine's datastore, there is 30GB free.> Which action would allow the VM to power on?___
A. Set a 2GB memory reservation on the VM.
B. Mount the virtual disk from the affected VM on to another virtual machine and free up space from within the OS.
C. Enable vSphere HD admission control on the cluster in which the VM resides.
D. Set a 2GB memory limit on the VM.
【单选题】
An administrator attempts to manually reclaim space on thin-provisioned VMFS6 volumes but finds that no additional space is being recovered. Which could be causing this?___
A. vSphere 6.5 does not support manual UNMAP.
B. The manual UNMAP operation has been moved to the vSphere web client.
C. The VASA version is use is incompatible.
D. UNMAP is automated for VMFS6.
【单选题】
An administrator has upgraded to vSphere 6.5 and also wants to use Kerberos authentication for NFS. Which can be done to the existing NFSv3 volumes to enable this feature?___
A. Perform a storage rescan on VMFS volumes.
B. Unmount the NFSv3 datastore, and then mount as NFSv4.1 datastore.
C. Nothing. All NFSv3 mounted datastores are upgraded automatically during vSphere upgrades.
D. Perform a scan of new storage devices.
【单选题】
An administrator wants to restore the vCenter Server Appliance 6.5 from backup. Where can this be accomplished?___
A. from the ESXi Host Client
B. from the VMware vSphere Appliance Management Interface
C. from within the VMware vSphere Web Client
D. from the vCenter Server Appliance Installer
【单选题】
The administrator wants to power on VM-K2, which has a 2GHz CPU reservation. VM-M1, VM-M2, and VM-K1 are all powered on. VM-K2 is not powered on. The exhibit shows the parent and child resource reservations. If Resource Pool RP-KID is configured with an expandable reservation, which statement is true?___
A. VM-K2 will be unable to power on because there are insufficient resources.
B. VM-K2 will be able to power on since resource pool RP-KID has 2GHz available.
C. VM-K2 will be unable to power on because only 2GHz are reserved for RP-KID.
D. VM-K2 will receive resource priority and will be able to power on this scenario.
【单选题】
Which is the block size on the VMFS6 datastore?___
A. All small and large file blocks are 8MB.
B. All small and large file blocks are 1MB.
C. Small file blocks are 512KB. large file blocks are 64MB.
D. Small file blocks are 1MB, large file blocks are 512MB.
【单选题】
When installing vCenter Converter Standalone, why must an administrator perform a client-server installation instead of a local installation?___
A. to manage conversion tasks remotely
B. to convert virtual machines as well as physical machines
C. to allow installation of the Converter agent on remote source machines
D. to hot clone physical or virtual machines
【单选题】
Which is required by vCenter Converter Standalone to convert a physical Red Hat Enterprise Linux 7 machine to a virtual machine?___
A. The Linux machine must be powered off.
B. The Linux machine must have the SSH daemon started.
C. The Linux machine must use a static IP address.
D. The Linux machine must have a fully-qualified domain name.
【单选题】
An administrator is troubleshooting network communications between a vCenter Server and an ESXi 6.5 host. Which log shows the related events between these components?___
A. /var/log/fdm.log
B. /var/log/vpxa.log
C. /var/log/hostd.log
D. /var/log/auth.log
【单选题】
An administrator has recently upgraded from vSphere 6.0 to 6.5, and can no longer see the software iSCSI named vmhba33. Which could be the reason for this?___
A. The upgrade has changed the vmhba name.
B. vSphere 6.5 automates iSCSI configurations.
C. vSphere 6.5 no longer supports software iSCSI.
D. The upgrade has deleted the vmhba.
【单选题】
An administrator is trying to vMotion a VM from his datacenter to a recovery site. Which is the maximum allowed RTT (Round-Trip Time) latency between source and destination host?___
A. 100 milliseconds
B. 150 milliseconds
C. 15 milliseconds
D. 10 milliseconds
【单选题】
Which is required for configuring iSCSI Software Adapter network port binding?___
A. VMkernel of the iSCSI traffic must be load balanced using Route based on IP Hash algorithm.
B. VMkernel of the iSCSI traffic must be load balanced using Route based on Source Virtual Port ID algorithm.
C. VMkernel of the iSCSI traffic must be load balanced using Route based on Source MAC Hash algorithm.
D. VMkernel of the iSCSI traffic must be bound to only one active network adapter.
【单选题】
In vSphere Data Protection 6.1, which is the function of a Backup Verification job?___
A. None. Backup Verification job is not a feature of vSphere Data Protection
B. It is a manual task -Power it on -Verify the guest OS -Check started applications
C. It is an automatic process -Restore a virtual machine -Power it on -Verify that the guest OS is booted by communicating with the Backup Verification agent
D. It is an automatic process -Restore a virtual machine -Power it on -Verify that the guest OC is booted by detecting the VMware ToolsTM "heartbeats"
【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.
【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.
推荐试题
【单选题】
将带有指示器的支架放在面 上，使指示器的测头触及检验棒的表面 ___
A. 工作台
B. 盖板
C. 导轨
D. 平口钳
【单选题】
指示器和专用检验棒，检验时将指示器 主轴锥孔中的专用检验棒上 ___
【单选题】
数控铣床主轴箱在 Z 坐标方向移动的直线度检测时工作台位于行程的 位置，角尺放在工作台面上横向垂直平面内和纵向垂直平面内 ___
【单选题】
下图所表示的是 ___
A. 主轴顶尖误差的检测示意图
B. 尾座移动对床头箱平行度检测示意图
C. 尾座对床头箱平行度检测示意图
D. 主轴轴线的平行度检测示意图
【单选题】
下图所表示的是 ___
A. 主轴轴线对工作台面垂直度检测示意图
B. 工作台平面度检测示意图
C. 床身水平调整示意图
D. 工作台水平度检测示意图
【单选题】
下列关于滚珠丝杆副的结构特点论述错误的是 ___
【单选题】
C.摩擦因数小 D.运动具有可逆性 13162.将被测物体置于三坐标测量空间，可获得被测物体上各测点的 位置 ___
【单选题】
令步骤 4 进行量测，并读出量测值 ___
A. 步骤 2 启开打印机开关
B. 步骤 2 启开复印机开关
C. 步骤 2 启开电脑开关
D. 步骤 2 启开扫描仪开关
【单选题】
三个轴之位移量测系统经数据处理器或计算机等计算出 的各点坐标（x，y，z） 及各项功能量测的仪器 ___
【单选题】
数控机床的定位精度主要检测单轴定位精度、单轴重复定位精度和两轴以上联动加工出试件的 ___
A. 圆度
B. 表面粗糙度
C. 平行度
D. 平面度
【单选题】
泵浦可激活介质内部的一种 ，使其在某些能级间实现粒子数反转分布，这是形成激光的前提条件 ___
【单选题】
垂直度实际轴线必须位于 于基准平面，且在给定的方向上，距离为公差值 0.1mm的另平行平面之间，如下图所示 ___
【单选题】
下图显示，实际面（或轴线）必须位于距离为公差值 0.05，且 于基准平面的两平行面之间 ___
【单选题】
同轴度公差用于控制轴类零件的被测轴线相对 轴线的同轴度误差 ___
【单选题】
铣刀切削时直接推挤切削层金属并控制切屑流向的刀面称为 ___
A. 前刀面
B. 切削平面
C. 后刀面
D. 基面
【单选题】
C.前角较小和后角较大 D.刃口锋利 13173.数控铣床使用的刀具一般可分为 等形式 ___
A. 组合式、模块式、整体式
B. 镶片式、模块式、组合式
【单选题】
C.焊接式、机夹式、整体式 D.机夹式、组合式、镶片式 13174.加工宽度尺寸大的台阶和沟槽，一般采用 ___
A. 立铣刀
B. 成形铣刀
C. 盘形铣刀
D. 端铣刀
【单选题】
丝锥、锯条、锉刀等低速工具一般采用 制造 ___
A. 低合金刃具钢
B. 高速钢
C. 硬质合金
D. 立方氮化硼
【单选题】
夹紧力作用方向最好指向工件刚度最 的方向 ___
【单选题】
三爪卡盘自定心卡盘上安装大 工件时，不宜用正爪装夹 ___
【单选题】
对于需要在轴向固定其他零件的工件，可选用 中心孔 ___
A. C 型
B. B 型
C. A 型
D. D 型
【单选题】
压板垫铁的高度要适当，防止压板和工件 不良 ___
【单选题】
定位套常用于小型形状简单的 零件的精基准定位 ___
A. 轴类
B. 轮盘类
C. 箱体类
D. 方块类
【单选题】
选择切削用量的原则时要在机床动力和 允许，又能满足加工表面粗糙度的前提下， 选取尽可能大的进给量 ___
【单选题】
粗加工余量极不均匀时，可选用两次或数次 ，视具体情况应先切去不均匀部分 ___
【单选题】
光学平晶等厚干涉法适用于测量精度较高的 ___
A. 小平面
B. 大平面
C. 圆柱面
D. 圆跳动
【单选题】
用干分尺在 于轴线的固定截面的直径方向进行测量 ___
【单选题】
测量圆柱度误差时，被测件放在精确 的 V 形架内 ___
A. 平板
B. 虎钳
C. 平口钳
D. 工作台
【单选题】
检测工件面对面的垂直度误差时将工件放置在 上，精密直角尺的短边置于平板上 ___
【单选题】
同铀度误差可用圆度仪、三坐标测量装置、 ___
A. 指示器
B. 游标卡尺
C. 直角尺
D. 刀口尺
【单选题】
下图为测量某工件圆锥面对φd 外圆轴线的斜向 误差 ___
A. 圆跳动
B. 同轴度
C. 垂直度
D. 平行度
【单选题】
全跳动公差是要使被测工件作无轴向移动的 旋转 ___
【单选题】
政治方面的强制力量，如国家的的权力、人民代表大会的权力、企业法人的权力属于 的范畴 ___
A. 职业权力
B. 职业义务
C. 职业责任
D. 职业纪律
【单选题】
不同职业的具体职业责任是 ___
A. 不同的
B. 相同的
C. 有些是相同的
D. 没有界定
【单选题】
“诚实守信、宽厚待人”的基本内容有 ___
【单选题】
C.真诚相处，宽厚待人 D.信守承诺，诚实履职 13199.以下论述错误的是 ___
A. 企业的信誉主要来自公关
B. 注重质量才能赢得信誉
C. 确保质量才能求得生存与发展
D. 质量是文明与进步的重要标志
【单选题】
经常发生的危害性很大的突发性电气故障是 ___
A. 短路
B. 漏电
C. 断路
D. 电压降低
【单选题】
环境保护法的基本原则不包括 ___
A. 开发者保护，污染者负责
B. 政府对环境质量负责
【单选题】
C.预防为主，防治结合 D.环保和社会经济协调发展 13202.齿轮泵泵体的磨损一般发生在 一段 ___
A. 吸油腔
B. 吸油口
C. 压油腔
D. 连心线两端
