【单选题】
What is the correct way to replace the certificate on an existing vCenter Server that is part of a vCenter HA configuration?___
A. Put the vCenter HA in Maintenance mode, replace the certificate, exit Maintenance mode.
B. Shut down Passive and Witness nodes and replace the certificate on the Active node.
C. Remove the Passive and Witness nodes, replace the certificate, reconfigure the cluster.
D. Replace the certificate while all nodes are participating in the cluster.
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相关试题
【单选题】
The vSphere Data Protection performance analysis results in the “Conditionally Passed” status. What can cause this condition?___
A. The results did not meet the minimum performance expectations.
B. The read, write, and seek tests were successful.
C. The read and write tests were successful but the seek test failed.
D. The read and write tests were successful but the seek test skipped.
【单选题】
A vSphere Administrator wants to reserve 0.5 Gbps for virtual machines on each uplink on a disturbed switch that has 10 uplinks. What is the quota that should be reserved for the network resource pool?___
A. 10 Gbps
B. 5 Gbps
C. 100 Gbps
D. 0.5 Gbps
【单选题】
A vSphere administrator manages a cluster which includes critical and non-critical virtual machines. The cluster requires different permissions for contractors and non-contractors. How can the administrator exclude the contractor group from some of the critical VMs?___
A. Apply permission for both contractors and non-contractors on the cluster level.
B. Apply permission for both contractors and non-contractors on the cluster level. Remove permission on the critical VMs for contractors.
C. Remove permission for contractors on the cluster level. Apply permission on the critical VMs for noncontractors.
D. Apply permission for both contractors and non-contractors on the VMs. Remove permission on the critical VMs for contractors.
【单选题】
In an ESXi 6.5 cluster only "NFS datastore has running or registered virtual machines" returns. A vSphere HA cluster with four hosts has admission control configured to tolerate one host failure. Which statement is true if a fifth host is added?___
A. CPU and Memory capacity will be set to 50%.
B. CPU and Memory capacity will be set to 30%.
C. CPU and Memory capacity will be set to 25%.
D. CPU and Memory capacity will be set to 20%.
【单选题】
Which command can be run to troubleshoot connectivity problems with vmkernal network interfaces?___
A. esxcli network
B. vmkping
C. net-status
D. vicfg-vmknic
【单选题】
What counter should an administrator check to determine if a virtual machine is ballooning?___
A. swapinRate
B. vmmemctltarget
C. swapped
D. vmmemctl
【单选题】
By default, how often is the vCenter vpx user password automatically changed?___
A. 15 days
B. 60 days
C. 30 days
D. 45 days
【单选题】
Which metric in the Exhibit would identify high latency for a virtual machine operating system?___
A. QAVG/cmd
B. KAVG/cmd
C. DAVG/cmd
D. GAVG/cmd
【单选题】
What VM Monitoring setting would ensure that the failure interval for a virtual machine is defined as 120 seconds?___
A. High
B. Normal
C. Low
D. Medium
【单选题】
The business managers have asked the IT administrator to ensure configuration compliance in the vSphere infrastructure. The IT administrator wants to use Host Profiles to accomplish this, but is unable to do so. Why is the administrator unable to use Host Profiles?___
A. The infrastructure uses a vSphere Standard license.
B. The infrastructure has servers with various CPU families.
C. The user has only the “Administrator” role.
D. Host Profiles apply only to storage settings.
【单选题】
What is the result of a “Consolidate” action on a virtual machine?___
A. All snapshots on the virtual machines will be deleted.
B. The virtual machine will be reverted to its last snapshot.
C. Redundant delta disks will be combined and deleted.
D. A new snapshot with memory state will be created.
【单选题】
A Telco customer is implementing NFV using vSphere as the virtualization platform. Which feature can help achieve a high packet rate with lower CPU consumption?___
A. Network I/O Control
B. SplitRX
C. ERSPAN
D. LACP
【单选题】
What is the VMware-recommended best practice for Fibre Channel zoning?___
A. soft zoning
B. single-initiator-multiple-target zoning
C. single-initiator zoning
D. single-initiator-single-target zoning
【单选题】
How can a vSphere administrator ensure that a set of virtual machines run on different hosts in a DRS cluster?___
A. Use a VM-Host affinity rule.
B. Add the VMs to a vApp.
C. Use a VM-VM affinity rule.
D. Place the VMs in different folders.
【单选题】
vCenter Server Appliance Instance can be backed up using which Client Interface?___
A. vSphere Client Interface
B. vSphere Web Client Interface
C. VMware Host Client Interface
D. Virtual Appliance Management Interface
【单选题】
What tool can capture network traffic at the uplinks, or vSwitch, or virtual port levels?___
A. tcpdump-uw
B. wireshark
C. pktcap-uw
D. pcap
【单选题】
Which storage feature always requires the use of third-party software on ESXi?___
A. Hardware Acceleration for NAS devices
B. VVOL
C. Hardware Acceleration for Block
D. evices
【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.
【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
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【单选题】
关于井控概念下列说法正确的是___
A. 装好井口防喷器
B. 实施油气井压力的控制
C. 能够保证快速施工
D. 能够防止污染事故
【单选题】
___是井控培训的重点内容，是井控技术的核心，也是防喷的重点。
A. 一级井控
B. 二级井控
C. 三级井控
D. 四级井控
【单选题】
水泥车排量500L/min，出口罐单位容积200L/cm，洗井时出口罐液面10min上升27cm，这是___现象。
【单选题】
井下作业过程中的井控作业的目的是既要安全、优质、高速地维修好井，又要有利于保护油气层，提高采收率，延长油气井的寿命。所以，要依靠良好的井控技术进行___的井下作业。
A. 负压状态下
B. 超地层压力
C. 近平衡压力
D. 关井状态下
【单选题】
___指仅靠井内修井液液柱压力不能控制地层压力，井内压力失去平衡，地层流体侵入井内，出现井侵，井口出现溢流，这时候要依靠关闭地面设备建立的回压和井内液柱压力共同平衡地层压力，依靠井控技术排除气侵修井液，处理掉溢流，恢复井内压力平衡。
A. 四级井控
B. 三级井控
C. 二级井控
D. 一级井控
【单选题】
井下作业施工过程中，应尽可能避免___发生。
A. 四级井控
B. 三级井控
C. 二级井控
D. 一级井控
【单选题】
当井侵发生后，井口返出的液量比泵入的液量多，停泵后井口修井液自动外溢，这种现象就称之为___。
【单选题】
发生井喷后利用专门的设备和技术重新恢复对井的控制是___。
A. 一级井控
B. 二级井控
C. 三级井控
D. 四级井控
【单选题】
溢流关井后高压层流体窜入其他低压地层是___。
A. 井涌
B. 地上井喷
C. 地下井喷
D. 溢流
【单选题】
井控的原理是在整个井控作业过程中，始终保证作用于井底的压力之和___地层压力。
A. 大于
B. 等于
C. 小于
D. 等于或略大于
【单选题】
近平衡压力就是使用合理的修井液形成略高于地层压力的___，达到对油层实施一级控制的目的。
A. 地层破裂压力
B. 抽汲压力
C. 液柱压力
D. 激动压力
【单选题】
二级井控是指当发生溢流或井涌后，通过___，同时通过压井等技术排除气侵修井液，重建井底压力平衡，使之达到一级井控的技术。
A. 求取立管或套管压力计算压井液密度
B. 及时关井求取井口回压和套压一起平衡地层压力
C. 记录套管压力计算压井液密度
D. 及时关井使井口回压和井筒液柱共同平衡地层压力
【单选题】
通常情况下，力求一口井保持___井控状态，同时做好一切应急准备，一旦发生井涌和井喷能迅速做出反应，及时加以处理。
【单选题】
建立油气井压力平衡及平衡破坏后的压力恢复技术称为___。
A. 井控技术
B. 三级井控
C. 一级井控
D. 二级井控
【单选题】
___是井下作业过程中实现安全生产的一项关键技术。
A. 压井
B. 井控技术
C. 一级井控
D. 二级井控
【单选题】
___是井下作业过程中性质严重、损失巨大的灾难性事故。
A. 溢流
B. 井喷
C. 井涌
D. 井喷失控
【单选题】
建立油气井压力平衡及平衡破坏后压力恢复的技术称为___。
A. 钻井技术
B. 修井技术
C. 井控技术
D. 试油技术
【单选题】
常见的井侵有___。
A. 油侵、气侵、水侵
B. 气侵、盐水侵
C. 钙侵、气侵、水泥侵
D. 油侵、水侵
【单选题】
某油田处于生产晚期，地层压力低，在作业中不安装防喷器可___。
A. 加快施工进度
B. 节省成本
C. 能造成井喷失控的风险
D. 简化施工工艺
【单选题】
对于生产时间长的井、腐蚀严重且有___的井要特殊对待。
【单选题】
某井井下管柱中带有封隔器，起管柱过程中封隔器因下井时间过长胶皮未能回收，这时___。
A. 无任何影响
B. 可能造成井漏
C. 可能造成抽汲井喷
D. 可能造成管柱落井
【单选题】
一旦发生___，应迅速停机、停车、断电，并设置警戒线。在警戒线以内，严禁一切火源。同时进行井口喷出油流的围堵和疏导，防止地面易燃物扩散。
A. 溢流
B. 井涌
C. 井喷
D. 井喷失控
【单选题】
井喷失控易引起___而造成人员伤亡，影响周围千家万户的生命安全。
A. 喷出可燃冰或人员逃生困难
B. CO燃烧或殃及农业生产
C. 失控着火、爆炸或喷出有毒气体
D. 喷出CO2爆炸或作业井况复杂化
【单选题】
井控意识淡薄是导致事故发生的___原因。
【单选题】
注水井不停注或未减压是导致相临作业井井喷或井喷失控的___原因。
A. 间接
B. 直接
C. 管理
D. 管理或间接
【单选题】
高含硫油气井是指地层天然气中硫化氢含量高于___ppm的井。
A. 20
B. 50
C. 100
D. 500
【单选题】
在有“三高”油气井的地区，建设方应组织进行至少___的企地联动的应急预案演练。
A. 每年一次
B. 每年二次
C. 每口井一次
D. 所有施工“三高”油气井每次施工时
【单选题】
某施工井位于河道内，且地层天然气中硫化氢含量高于10ppm，该井属于___油气井。
A. 高含硫
B. 高危地区
C. 一般
D. 危险地区
【单选题】
高含硫油气井，指地层天然气中硫化氢含量高于___mg/m3的井。
A. 150
B. 120
C. 100
D. 30
【单选题】
高危地区油气井，指在井口周围___m范围内有村庄、学校、医院、工厂、集市等人员集聚场所，油库、炸药库等易燃易爆物品存放点，地面水资源及工业、农业、国防设施（包括开采地下资源的作业坑道），或位于江河、湖泊、滩海和海上的含有硫化氢（地层天然气中硫化氢高于15mg/m3（10ppm））一氧化碳等有毒有害气体的井。
A. 500
B. 1000
C. 3000
D. 5000
【单选题】
做好___，既有利于保护油气层，又可以有效地防止井喷、井喷失控或着火事故的发生。
A. 培训工作
B. 井控工作
C. 安全工作
D. 班前讲话工作
【单选题】
小井眼与常规井眼相比井控的难度___。
【单选题】
从事“三高”油气井的施工队伍，全员及协同施工人员进行针对“三高”油气井特点的培训、___等，建设方要把培训列入合同之中。
A. 应急防范演练
B. 应急预案演练
C. 井控防喷演练
D. 井控防喷演习
