【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
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答案
B
解析
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相关试题
【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
【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.
推荐试题
【单选题】
29.下列称谓，哪一个正确( )。
(A)氧的摩尔数为2 (B)氧分子的物质的量是2mol (C)2mol分子氧
A. 氧的摩尔数为2
B. 氧分子的物质的量是2mol
C. 2mol分子氧
【单选题】
30.1L溶液中含有0.1mol硫酸，则此硫酸溶液的浓度c(1/2H2SO4)等于( )mol/L
(A)0.1 (B)0.2 (C)0.3 (D)0.05
A. 0.1
B. 0.2
C. 0.3
D. 0.05
【单选题】
32.在E=E0+spx中为消除温度对s的影响，在仪表中是通过( )来实现
(A)定位调节 (B)温度补偿 (C)等电势调节 (D)斜率补偿
A. 定位调节
B. 温度补偿
C. 等电势调节
D. 斜率补偿
【单选题】
33.离子选择性电极的性能主要决定于( )
(A)膜的种类和制造技术 (B)使用方法 (C)温度 (D)溶液的搅拌
A. 膜的种类和制造技术
B. 使用方法
C. 温度
D. 溶液的搅拌
【单选题】
35.下列设备中，树脂需移至体外进行反洗的设备是( )。
(A)顺流再生固定床 (B)逆流再生固定床 (C)浮动床 (D)双流床
A. 顺流再生固定床
B. 逆流再生固定床
C. 浮动床
D. 双流床
【单选题】
36.混床的中间配水装置位于( )
(A)混床罐体的中间 (B)分层后的阳树脂侧
(C)分层后的阴树脂侧 (D)分层后的阴阳树脂交界处
A. 混床罐体的中间
B. 分层后的阳树脂侧
C. 分层后的阴树脂侧
D. 分层后的阴阳树脂交界处
【单选题】
37.对双层床的运行和再生情况，下列说法正确的是( )
(A)水和再生液都先通过强型树脂； (B)水和再生液都先通过弱型树脂；
(C)运行时水先通过强型树脂，再生时，再生液先通过弱型
(D)运行时水先通过弱型树脂，再生时，再生液先通过强型
A. 水和再生液都先通过强型树脂
B. 水和再生液都先通过弱型树脂
C. 运行时水先通过强型树脂，再生时，再生液通过弱型
D. 运行时水先通过弱型树脂，再生时，再生液通过强型
【单选题】
40.电导率仪的测定下限是1uS/m，用其测量小于0.2uS/cm的超纯水，应选用电极常数为( )的电极。
(A)0.1以下 (B)1以上 (C)10以上
A. 0.1以下
B. 1以下
C. 10以上
【单选题】
41.硅标准溶液应储存在( )
(A)白色磨口玻璃瓶 (B)棕色磨口玻璃瓶
(C)聚乙烯塑料桶 (D)任何容器
A. 白色磨口玻璃瓶
B. 棕色磨口玻璃瓶
C. 聚乙烯塑料桶
D. 任何容器
【单选题】
44.绝对压力P绝与P表的关系是( )。
(A)P绝=P表+大气压； (B)P绝=P表-大气压；
(C)P绝=大气压-P表。
A. P绝=P表＋大气压
B. P绝=P表-大气压
C. P绝=大气压-P表
【单选题】
45.液体沸腾时，气体与液体同时存在，则( )。
(A)气体温度大于液体温度
(B)液体温度大于气体温度
(C)气体温度与液体温度相等
A. 气体温度大于液体温度
B. 液体温度大于气体温度
C. 气体温度与液体温度相等
【单选题】
47.触电人心脏停止跳动时，应采用( )法进行抢救。
(A)口对口呼吸 (B)胸外心脏挤压
(C)打强心针 (D)摇臂压胸
A. 口对口呼吸
B. 胸外心脏挤压
C. 打强心针
D. 摇臂压胸
【单选题】
50.在220V电源上串联下列四个灯泡，( )灯最亮。
(A)150W (B)100W (C)60w (D)40W
A. 150W
B. 100W
C. 60W
D. 40W
【单选题】
51.水中溶解氧测定用氨性靛蓝二磺酸钠溶液的pH值应为( )。
(A)9.0；(B)8.5；(C)10.0；(D)3.0。
A. 9.0
B. 8.5
C. 10.0
D. 3.0
【单选题】
52.按极谱分析原理制造的溶氧分析仪，其传感器制成一个特殊的( )。
(A)原电池；(B)电解池；(C)电导池；(D)电极。
A. 原电池
B. 电解池
C. 电导池
D. 电极
【单选题】
53.某有色溶液，用1cm比色皿，选波长为520nm，测得其吸光度为0.150；其他条件不变，若改用2cm比色皿，测得的吸光度为( )。
(A)0.075；(B)0.175；(C)0.450；(D)0.300
A. 0.075
B. 0.175
C. 0.450
D. 0.300
【单选题】
55.给水中加氨的目的是( )。
(A)调节给水pH值为8.8-9.3，防止钢铁腐蚀；
(B)防止钢腐蚀；(C)除氧；(D)防止铜腐蚀。
A. 调节给水pH值为8.8-9.3，防止钢铁腐蚀
B. 防止钢腐蚀
C. 除氧
D. 防止铜腐蚀
【单选题】
56.选用联氨或氨液保护停(备)用锅炉，启动时蒸汽中氨含量少于（）时，方可并汽。
(A)2.0mg/L；(B)4.0mg/L；
(C)6.0mg/L；(D)8.0mg/L。
A. 2.0mg/L
B. 4.0mg/L
C. 6.0mg/L
D. 8.0mg/L
【单选题】
57.某电厂汽包炉按计划大修停炉，应选择( )保护。
(A)氨液法；(B)充氮法；(C)气相缓蚀剂法；(D)烘干法。
A. 氨液法
B. 充氮法
C. 气相缓蚀剂法
D. 烘干法
【单选题】
58.酸性铬兰K对( )离子的灵敏度比铬黑T高。
(A)Ca2+；(B)Mg2+；(C)Zn2+；(D)Cu2+。
A. Ca2+
B. Mg2+
C. Zn2+
D. Cu2+
【单选题】
59.在双层床中，胶体硅最易析出的部分是( )。
(A)强酸树脂层；(B)弱酸树脂层；
(C)强碱树脂层；(D)弱碱树脂层。
A. 强酸树脂层
B. 弱酸树脂层
C. 强碱树脂层
D. 弱碱树脂层
【单选题】
60.在单元制一级除盐系统中，如果发现阴床出水的pH值突然降低，含硅量上升，电导率先下降而后又急骤上升，说明( )。
(A)阴、阳床都已失效；(B)阴床失效、阳床未失效
(C)阴、阳床都未失效；(D)阳床失效、阴床未失效。
A. 阴、阳床都已失效
B. 阴床失效，阳床未失效
C. 阴、阳床都未失效
D. 阳床失效、阴床未失效
【单选题】
61.以下树脂中，( )树脂最容易发生化学降解而产生胶溶现象。
(A)强酸性；(B)弱酸性；(C)强碱性；(D)弱碱性。
A. 强酸性
B. 弱酸性
C. 强碱性
D. 弱碱性
【单选题】
63.在高压炉蒸汽系统中，沉积在高压锅炉过热器中的盐类主要是( )。
(A)NaCl；(B)Na2SiO3；(C)Na2SO4；(D)Na3PO4。
A. NaCl
B. Na2SiO3
C. Na2SO4
D. Na3PO4
【单选题】
64.电磁过滤器在进行凝结水除铁处理时，若在凝结水中加入联氨，则更能提高电磁过滤器的处理效果，原因是( )。
(A)联氨能除去水中部分溶解氧；(B)联氨能将铁的高价腐蚀产物还原为低价；
(C)联氨能提高电磁过滤器的磁性；(D)联氨能将铁的低价腐蚀产物还原为高价。
A. 联氨能除去水中部分溶解氧
B. 联氨能将铁的高价腐蚀产物还原成低价
C. 联氨能提高电磁过滤器的磁性
D. 联氨能将铁的低价腐蚀产物还原成高价
【单选题】
65.弱酸性阳树脂再生用H2SO4作再生剂时，再生溶液的浓度应控制在( )。
(A)0.5%-1.0%；(B)1.0%-1.5%；(C)2%-3%；(D)4%-5%。
A. 0.5%-1.0%
B. 1.0%-1.5%
C. 2%-3%
D. 4%-5%
【单选题】
66.受氯气中毒较重者应( )。
(A)口服复方樟脑酊；(B)胸部用冷湿敷法救护；(C)吸氧气；(D)施行人工呼吸。
A. 口服复方樟脑酊
B. 胸部用冷湿敷法救护
C. 吸氧气
D. 施行人工呼吸
【单选题】
68.热力机械工作票中的工作许可人一般由( )担任。
(A)运行副主任；(B)运行专职工程师；
(C)运行正副班长；(D)检修正副班长。
A. 运行副主任
B. 运行专职工程师
C. 运行正副班长
D. 检验正副班长
