Which port is used for communication between ESXi and vSpher_答案

【单选题】

Which port is used for communication between ESXi and vSphere Data protection?___

A. 80

B. 443

C. 902

D. 22

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答案

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【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.

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【单选题】

When troubleshooting VMware vCenter Server issues, when logging level provides maximum detail?___

A. Verbose

B. Trivia

C. Info

D. Error

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【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

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【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

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【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

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【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

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【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

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【单选题】

Which port is used for vSphere HA agent-to-agent communication?___

A. 443

B. 8182

C. 22

D. 902

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【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

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【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

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【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

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【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.

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【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

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【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.

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【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.

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【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

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【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

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【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

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【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.

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【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.

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【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.

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【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.

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【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.

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【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.

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【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.

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【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

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【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

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【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

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【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.

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【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

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【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.

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【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.

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【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.

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【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.

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【多选题】

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

A. Host Customizations

B. shared storage

C. Auto

D. eploy

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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

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【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

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【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.

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【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.

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【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

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在BGP路由协议中，命令aggregate 10.110.0.0 255.255.0.0 origin-policy 的含义是___

A. 当通告路由时只通告聚合路由

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IP PBX与IAD通过什么网络连接___

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IAD的WAN支持的IP地址分配方式___

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应用程序PING发出的是___

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olt在___这个字段来给每个ONU分配上行时隙，那么所有的ONU就可以按照一定的秩序发送自己的数据了，不会产生为了争夺时隙而冲突

A. upstream bandwidth map

B. downstream bandwidth map

C. DBRu

D. GTC

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在PON系统中，解决ONU的注册冲突的方案是___

A. 配置ONU注册优先级

B. TDMA

C. 随机延迟时间法

D. ,测距

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62在网管上用以太OAM测试PTN的以太业务时，ping的是___。

A. 对端网元网络侧的IP地址

B. 对端网元网络侧的MAC地址

C. 对端网元用户侧的MAC地址

D. 对端网元网络侧的IP地址

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ITU-T 规定的话音信号的抽样频率为___

A. >2.048kHz

B. >8000Hz

C. 2.048kHz

D. 8kHz

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A. 逻辑功能块

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一个139.264Mbit/s的PDH支路信号可以复用成一个___

A. STM-4

B. STM-1

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VC-12 POH 中的V5 字节在功能上类似VC-4 POH 中的___

A. C2，J1

B. G1，H4

C. C2，G2

D. H1，H2

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67网元指针连续调整原因为：___

A. 该网元节点时钟与网络时钟出现频差

B. 该网元节点时钟与网络时钟出现相差

C. 该网元处在SDH/PDH 边界处

D. 该网元时钟工作处于保持模式

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对于MPLS-TP =MPLS－IP＋OAM，说法有误的是___

A. MPLS-TP是面向连接的包传送技术；

B. 管理平面是MPLS的一个子集；

C. 了PHP、Merging 、ECMP等不必要处理；

D. 增加了ITU-T传送风格的保护倒换和OAM功能。

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用户侧进来的业务主要有2种，分别为以太网业务和E1业务，以太网业务是通过（）进行区分的，传统的2M（E1）业务是通过___来区分的

A. VLAN ID、PW标签

B. PW标签、VLAN ID

C. VLAN ID、入出PW标签

D. 入出PW标签、VLAN ID

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T-MPLS协议分层结构依次分为哪三层___

A. 光纤、TMP、TMC；

B. tunnel、PW、流；

C. TMS、TMP、TMC；

D. tunnel、VPWS、流。

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下列哪一种状态不是时钟单元的工作状态___

A. 自由

B. 保持

C. 锁定

D. 恢复

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PTN每个层次中的CV帧是由___发起的。

A. MEP；

B. MIP；

C. MEG；

D. MEL。

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PTN的OAM帧是由帧头LABEL值来区分的，这个LABEL值是___

A. 10；

B. 16；

C. 301；

D. 14

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ISDN 提供两种类型的服务，其中 BRI 接口支持___

A. 1B+2D

B. 2B+D

C. 30B+D

D. 23B+D

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我国PDH基群信号传送话路数是___

A. 1路

B. 24路

C. 30路

D. 32路

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单项通道保换环采用的结构是___

A. 双发双收

B. 双发选收

C. 单发单收

D. 单发双收

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在___情况下，不影响网管采集远端故障节点的告警信息

A. 光缆线路故障

B. 节点故障

C. DCC通道故障

D. 支路盘故障

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通常，同步复用器不会对___进行硬件保护

A. 控制部分

B. 传输部分

C. 定时部分

D. 电源部分

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下列哪个线路或者环路的保护方式与K1、K2字节无关___

A. 1+1线路保护

B. 1:1线路保护

C. 两纤复用段环保护

D. 四纤复用段环保护

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两纤单向通道保护环实现保护的机理是___

A. 并发选收

B. 单发单收

C. 两端桥接

D. 单点桥接

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在一个波分复用系统中，不会出现的波道数是：___。

A. 2

B. 4

C. 7

D. 32

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告警MS-REI由___字节传递

A. J0

B. K2

C. M1

D. G1

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10Base-T网络的电缆标准最大有效传输距离是___

A. 10米

B. 100米

C. 185米

D. 200米

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使用光纤进行光接口硬件环回时，应注意___以免光功率过大，损坏光模块。

A. 使用光测试仪

B. 使用光衰减器

C. 使用光功率器

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标准的光衰耗范围为___

A. -10db至10db上下

B. -10db至20db以下

C. -10db至30以下

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查看网络跳数和路由跟踪的命令是___

A. PING

B. TELNET

C. TRACERT

D. IPCONFIG

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【单选题】

协议转换器上如果E1LOS灯亮，表示___

A. 本端协转与PDH之间2M线路故障

B. 本端PDH与对端PDH之间线路故障

C. 对端协转与PDH之间2M线路故障

D. 本端协转与对端协转之间线路故障

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