【单选题】
为了实现业务量相对较小的接入,我公司还提供了小型MSAP机框式设备-OPCOM3500E-6,可以插入___块业务盘, OPCOM3500-6中的群路盘不能与OPCOM3500E-12中的群路盘通用___
A. 2
B. B、4
C. C、6
D. D、8
E.
F.
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【单选题】
在光纤熔接过程中，光纤固定于光纤定位板上，通过对光纤进行X、Y、（ ）三个方向的调整，使纤芯对准后，方能熔接.___
【单选题】
在光纤通信中，一般使用APD雪崩二极管作为（ ）___
A. 光电检测器
B. 光衰耗器
C. 光源
D. 中继器
E.
F.
【单选题】
在互联网专线维护中，Ping网关是一种常用的测试方法，而互联网专线工程中经常默认将一个网段中的第一个可用的主机地址作为该网段的网关，现有一网段218.155.42.72/30,请分析一下，该网段的网关是___
A. 218.155.42.1
B. 218.155.42.72
C. 218.155.42.73
D. 218.155.42.74
E.
F.
【单选题】
在环形网中最常用的网元是 （）___
A. TM
B. ADM
C. REG
D. DXC
E.
F.
【单选题】
在基站侧对SDH支路板进行环回操作，若向交换机方面进行环回，则称为（）___
A. 内环回
B. 外环回
C. 左环回
D. 右环回
E.
F.
【单选题】
在架空光缆日常维护中，杆路逐杆检修的周期为（ ）___
A. 每年一次
B. 两年一次
C. 每年两次
D.
E.
F.
【单选题】
关于设备非QinQ的软件版本升级到QinQ软件版本,配置脚本转换出现端口占用的问题错误的说法是：（ ）___
A. 首先在DUBUG目录set old_config2qinq all命令进行配置适配
B. 主控盘版本为R1.21.03.34以后的不存在此问题
C. 在DEBUG目录对后8槽位凡是端口业务数不为0的端口执行以下命令：set epon slot <1-18> onu <onulist> port <portlist> flag 2 reserve
D. 做完所有命令后，不用保存直接重启
E.
F.
【单选题】
在监控传输误码性能时，一般情况下BBE的引出先后关系（即哪一种BBE会引出后面相应的BBE）是：___
A. RS、MS、HP、LP
B. LP、HP、MS、RS
C. MS、RS、HP、LP
D. LP、MS、RS、HP
E.
F.
【单选题】
在街道上架空光缆距地面的最小垂直净距为（ ）米___
A. 5.5
B. 5
C. 4.5
D. 4
E.
F.
【单选题】
在进行客户端的故障处理前，技术服务人员应事先（ ）得到客户允许后方可进入现场.___
A. 与客户联系
B. 准备好光猫
C. 准备好电动车
D. 准备好记录本
E.
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为了提高注册效率，IMS允许一个用户存在多个公有标识(IMPU)时，一个IMPU注册成功，则相关的IMPU均注册成功。这种机制叫( )___
A. 隐式注册
B. 通配注册
C. 第三方注册
D. 重注册
E.
F.
【单选题】
在局域网中使用的交换机主要是( )___
A. 以太网交换机；
B. B、FDDI 交换机 ；
C. C、TM 交换机；
D. D、令牌交换机
E.
F.
【单选题】
在开放系统互连参考模型（OSI）中，( )以帧的形式传输数据流。___
A. 网路层
B. 会话层
C. 传输层
D. 数据链路层
E.
F.
【单选题】
在跨省传输专线资源勘查场景中，仅受理由( )CRM发起的跨省传输专线资源勘查工单。___
A. 总部集团客户部
B. 省公司客户部
C. 集团数据部
D. 省公司数据部
E.
F.
【单选题】
在链路聚合时，以下哪个端口能加入链路聚合组( ) ___
A. 镜像的监控端口
B. 镜像的目的端口
C. 配置了静态ARP的端口
D. 以上都不能
E.
F.
【单选题】
在两纤双向复用段环中，最多可包括多少个能参与复用段倒换的网元（）___
A. 15
B. 16
C. 128
D. 127
E.
F.
【单选题】
在路由器上从下面哪个模式可以进行接口配置模式？___
A. 用户模式
B. 特权模式
C. 全局配置模式
D. 以上都不是正确的
E.
F.
【单选题】
在路由器中，决定最佳路由的因素是（ ）___
A. 最小的路由跳数
B. 最小的时延
C. 最小的metric值
D. 最大的带宽
E.
F.
【单选题】
华为5620G是（）。___
A. OLT
B. ODN
C. ONU
D. OIT
E.
F.
【单选题】
在某大型小区，一共有10个室外光交箱，每个光交箱内装有1台分光器。某天出现用户批量投诉，ONU出现LOS灯告警，在某一光交箱内拔下分光器的主纤测试无光，以下判断错误的是 ___
A. 可能是该纤芯故障或者OLT设备侧ODF架跳纤问题
B. 可能是OLT设备停电或者该PON口光模块故障
C. 需要到进去小区红线内第一个跳纤点测试定位是否红线内光缆故障
D. 可以断定是红线外光缆或OLT设备故障
E.
F.
【单选题】
在配置ACL时需要使用到反掩码，请选出下列关于反掩码说法正确的选项___
A. 反掩码中取1的位，表示网段中对应位需要进行匹配比较
B. 反掩码中取0的位，表示网段中对应位需要进行匹配比较
C. 反掩码不能全取值为0
D. 反掩码不能全取值为1
E.
F.
【单选题】
以下支持web页面且支持OMCI协议新标准的ONU是（ ）___
A. HG850a
B. HG810
C. HG850
D. HG850e
E.
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【单选题】
为实现用户精确化绑定，一般要求BRAS将用户接入信息上报给AAA记录，以下不是BRAS可以上报的信息有（ ）.___
A. 用户接入VLAN
B. 用户接入BRAS端口
C. 用户MAC地址
D. 用户的资费套餐
E.
F.
【单选题】
在配置ONT模板时，那种类型ONU可以选择SNMP管理模式( )___
A. A类
B. B类
C. B类
D. 都不需要
E.
F.
【单选题】
在配置语音前，需要向用户获取（ ）些数据___
A. MGI IP
B. NEXT HOP
C. MGC IP
D. 物理终结点前缀
E. 临时终结点通配符和范围
F.
【单选题】
在上门服务过程中，服务人员应严格遵守客户的机房管理制度，严格杜绝因工作导致客户的生产设备停机或故障的情况。处理带风险性的故障，（ ），尽量做好应急防范或数据备份措施，在征得客户同意后开始实施操作。___
A. 应向客户解释存在的风险及后果
B. B、应向客户经理解释存在的风险及后果
C. C、应全面了解存在的风险
D. D、应注意应急预案的制定
E.
F.
【单选题】
在设置wftp需要设置ftp服务器的ip，这个ip是（ ）___
A. ONU的管理ip
B. 服务器的设备的ip
C. 固定的ip 192.168.1.1
D.
E.
F.
【单选题】
在涉及到基站中继的故障时，需要自建传输监控人员做环路确定故障所在，环路中的内环、外环是相对于（）而言的___
A. 基站
B. 交换局
C. 中继
D. 传输设备
E.
F.
【单选题】
在同时发生多起故障且难以并行处理的情况下，应该如何选择.（ ）___
A. 应先处理级别低的故障后处理级别高的故障
B. 应先简单的故障后处理复杂的故障
C. 应先处理级别高的故障后处理级别低的故障
D. 应先复杂的故障后处理简单的故障
E.
F.
【单选题】
在同一时刻，通信双方只能一方发送数据的信道通信方式为___
A. 半双工通信
B. 单工通信
C. 数据报
D. 全双工通信
E.
F.
【单选题】
在同一中继段内，敷设光缆的缆长、纤长及地面长度三者中数值最大的长度是___
A. 缆长
B. 纤长
C. 地面长度
D. 不确定
E.
F.
【单选题】
华为M100设备共有几个E1端口___
A. 4个
B. 6个
C. 7个
D. 8个
E.
F.
【单选题】
在维护传输设备过程中，经常看到风扇全速运转，设备上报TEMP_OVER温度越限告警，常见的处理方式为： ___
A. 风扇内部积尘严重，影响转速，需要卸下风扇清除
B. 单板的电源模块积尘严重，影响散热，需要拔板清除
C. 光模块制冷功能异常，需要更换光板
D. 滤尘网积尘严重，影响通风，需要卸下滤尘网清洗
E.
F.
【单选题】
专线用户采用（ ）协议采集端口流量.___
A. smtp
B. snmp
C. http
D. radius
E.
F.
【单选题】
在我国，（）主要负责省际一级干线网和国际SDH干线网内部分得管理。___
A. 省SDH管理中心
B. 区域SDH管理中心
C. 全国网络管理中心
D. 本地管理中心
E.
F.
【单选题】
在我国大面积敷设的光缆是（ ）型的光纤___
A. G.652
B. G.653
C. G.654
D. G.655
E.
F.
【单选题】
在无线网络安全机制WAPI中，（ ）实现通信数据的加密传输___
A. WAI
B. WPI
C. ASU
D. AAA
E.
F.
【单选题】
在线式UPS通常工作在哪个模式.（ ）___
A. 市电逆变供电模式
B. 电池逆变供电模式
C. 静态旁路工作模式
D. 维修旁路工作模式
E.
F.
【单选题】
在线式UPS中逆变器的作用是（ ）___
A. 将市电转换为UPS输出的交流电
B. 将整流器输出的直流电，或由电池来的直流电转换成UPS输出的交流电
C. 在市电不合格时启动，将电池的电能变为交流电输出供负载使用
D.
E.
F.
【单选题】
在性能事件查询中，若某站只有某个支路板出现误码，则可能采取的故障处理措施有：___
A. 检查时钟配置。
B. 检查交叉板业务配置。
C. 检查或更换支路板。 E. F.
推荐试题
【单选题】
An administrator is unable to login to vCenter Server when using the vSphere web client. The administrator successfully accessed vCenter Server using the client earlier the same day. What is the most appropriate first step the administrator should take to resolve this issue? ___
A. Verify the web browser being used has Adobe Flash plugin version 11.5 or later
B. Verify the vCenter Single Sign-On service is running on the vCenter Server
C. Verify the vSphere Web Server service is running on the vCenter Server
D. Verify the administrator has permissions configured in vCenter Server
【单选题】
An administrator has configured an alarm to be notified when a virtual machine meets two conditions: <high virtual CPU> <high active memory consumption> The alarm is malfunctioning and triggering when either condition is met instead of both. What can be done to correct the issue? ___
A. Edit the alarm and select Trigger if ALL of the following conditions are satisfied.
B. Edit the alarm and select Trigger if ANY of the following conditions are satisfied.
C. Create two separate alarms, one for CPU and one for memory.
D. Delete the existing alarm and create a new event based alarm.
【单选题】
What must be enabled to ensure that VM Component Protection (VMCP) works in a High Availability cluster? ___
A. VMware Tools Virtual Machine Communication Interface (VMCI)
B. Fault Tolerance
C. Atomic Test and Set (ATS)
D. All Paths Down (APD) Timeout
【单选题】
An administrator wants to add a web server to an existing multi-tier application consisting of three virtual machines: <A web server> <A database server An application server> The web server should be added to the application when the primary web server reaches: <70% vCPU utilization> <55% active memory> Which option will achieve this result? ___
A. Create a virtual machine alarm with an action to run a script that starts a new instance of the web server.
B. Create a host cpu and memory alarm with an action to run a script that starts a new instance of the webserver.
C. Configure HA application monitoring for the web server and set it to trigger deployment of a new instance of the web server.
D. Configure Fault Tolerance on the virtual machine and leave the secondary machine disabled until needed.
【单选题】
An administrator has an application that requires connection directly to PCI devices through a virtual machine. What is a limitation of this configuration? ___
A. Devices must be reserved for PCI passthrough on at least one host on which the virtual machine will run.
B. Snapshots are not supported with DirectPath I/O passthrough devices.
C. A maximum of 18 PCI vSphere
D. irectPath devices can be added to a virtual machine.
【单选题】
The vSphere administrator is configuring directory services for an ESXi host: What should the vSphere administrator do to configure the host to use CAM services? ___
A. Check the Use vSphere Authentication Proxy checkbox.
B. Set Select Directory Service Type to CAM services.
C. Specify CAM$ for the
D. omain.
【单选题】
Which statement is true regarding the licensing of vCenter Server? ___
A. The license for vCenter Server must be provided at the time of installation.
B. Changing the license assigned to vCenter Server requires a restart of the vCenter Server service.
C. Virtual machines can still be powered on if the vCenter Server license expires.
D. Licensing for a single vCenter Server installation is determined by the number of managed virtual machines.
【单选题】
When configuring vSphere Replication for a virtual machine, what is the lowest Recovery Point Objective (RPO) that can be selected? ___
A. 1 min
B. 5 min
C. 10 min
D. 15min
【单选题】
A developer needs to create a multi-tier development stack for a home lab. Which vSphere product will support the architecture required for the least software cost? ___
A. vSphere Hypervisor
B. vSphere Essentials
C. VMware Player
D. VMware Workstation
【单选题】
An administrator is installing Windows into a virtual machine. The DVD has been mounted on the Host and configured for the virtual machine as shown in the Exhibit. Based on the exhibit, when the virtual machine is booted, why would it attempt to search for a PXE server? ___
A. The CD/DVD device is not connected.
B. The ISO is in the incorrect storage location.
C. The OS minimum requirements have not been met.
D. The CD/DVD device is not set to Client Device.
【单选题】
What component must be installed prior to deploying a vCenter Server in vSphere 6.x? ___
A. vCenter Identity Services
B. Platform Services Controller
C. vCenter Single Sign-On
D. Client Integration Plug-In
【单选题】
What is a valid plug-in status for a plug-in that has been added to a vSphere client? ___
A. Disabled
B. Unknown
C. Stopped
D. Installed
【单选题】
Users of an application are reporting performance issues. The following performance values are observed in the vSphere Web Client: <Host CPU utilization is 90%> <Virtual Machine memory utilization is consistently greater than 90% CPU Ready values are higher than 20%> What could be the cause of the application performance issue? ___
A. The host is lacking the CPU resources required to meet the demand.
B. The host is lacking the memory resources required to meet the demand.
C. The virtual machine is lacking the CPU resources required to meet the demand.
D. The virtual machine is lacking the memory resources required to meet the demand.
【单选题】
An administrator creates an ESXi cluster using vSphere Auto Deploy. The ESXi hosts are configured to get a management IP address from a DHCP server. The administrator needs to troubleshoot the management network on one of the hosts. Which DCUI option should the administrator use to renew the DHCP lease? ___
A. Restart Management Network
B. Restore Network Settings
C. Test Management Network
D. Configure Management Network
【单选题】
An administrator is re-provisioning an ESXi host and moving it to another datacenter. Which DCUI option should the administrator use to revert the system configuration to the default settings? ___
A. Reset System Configuration
B. Rebuild Default System Configuration
C. Revert System Configuration
D. Renew Default System Configuration
【单选题】
An administrator has just completed installing an ESXi 6.x host, but doesn't know what address has been configured. Where is the ESXi host IP address configured? ___
A. RVC console
B. Direct Console User Interface
C. vSphere Web Client
D. vSphere Client
【单选题】
When is it possible to place a VMFS5 datastore in maintenance mode? ___
A. When it is a member of a Storage DRS cluster
B. When it is a member of Virtual SAN cluster
C. When it is a member of a multi-extent datastore
D. When it is a member of a Virtual Volume
【单选题】
Immediately after installing ESXi, an administrator observes that the Configure Lockdown Mode option is grayed out in the Direct Console User Interface (DCUI). What is the most likely explanation? ___
A. The host has not yet been added to a vCenter Server.
B. The BIOS on the host does not have NX/XD enabled.
C. The ESXi host is running in evaluation mode.
D. The host requires a reboot before this feature is available.
【单选题】
Immediately after installing ESXi, an administrator observes that the Configure Lockdown Mode option is grayed out in the Direct Console User Interface (DCUI). What is the most likely explanation? ___
A. The host has not yet been added to a vCenter Server.
B. The BIOS on the host does not have NX/XD enabled.
C. The ESXi host is running in evaluation mode.
D. The host requires a reboot before this feature is available.
【单选题】
Which Single Sign-On deployment mode should an administrator use for two 6.x vCenter Servers configured with linked mode? ___
A. Basic Single Sign-On with vCenter Server Heartbeat
B. Multisite Single Sign-On
C. Basic Single Sign-On
D. Single Sign-On with Linked Mode
【单选题】
What is required when changing a virtual machine name using the vSphere Web Client? ___
A. Verify connectivity to the ESXi host where the virtual machine is running and its inventory list is accessible.
B. Verify in which datastore the virtual machine resides and that you have access and its inventory list is accessible.
C. Verify that virtual machine files are stored in the same datastore and can be accessed in the datastore browser list.
D. Verify the virtual machine is not running in Fault Tolerant mode and that it is not in a Distributed Resource Scheduler cluster.
【单选题】
An administrator deploys vRealize Operations into a vSphere 6.x environment. After the deployment, the administrator notices that badges are not appearing. What is a likely cause of this behavior? ___
A. Badges do not appear until you register vRealize Operations with vCenter Server.
B. Badges do not appear until you register a vCenter Server in vRealize Operations.
C. The vRealize Operations appliance needs to be redeployed.
D. The vCenter Server appliance needs to be redeployed.
【单选题】
How are ports scaled on vSphere Standard Switches (vSS)? ___
A. Ports on a vSS can be dynamically scaled up and down.
B. Ports on a vSS can only be statically scaled up or down.
C. Ports on a vSS can only be dynamically scaled down.
D. Ports on a vSS can only be dynamically scaled up.
【单选题】
A High Availability (HA) cluster is configured to respond to a given number of host failures. The cluster contains virtual machines configured with these settings: VM1 has a 1GHz CPU reservation and no Memory reservation VM2 has a 2GHz CPU reservation and no Memory reservation VM3 has no CPU reservation and no Memory reservation . Given this information, what is the correct slot size for the cluster? ___
A. The CPU Reservation should be set to 32MHz and the memory reservation should be set to 32MB plus memory overhead.
B. The CPU reservation should be set to 1 GHz and the memory reservation should be set to 0MB plus memory overhead.
C. The CPU reservation should be set to 2 GHz, and the memory reservation should be set to 0MB plus the virtual machine memory overhead.
D. The CPU reservation should be set to 2 GHz, and the memory reservation should be set to 32MB, plus the virtual machine memory overhead.
【单选题】
An administrator is planning a vSphere infrastructure with the following specific networking requirements: <The ability to shape inbound (RX) traffic> <Support for Private VLANs (PVLANs)> <Support for LLDP (Link Layer Discovery Protocol)>. What is the minimum vSphere Edition that will support these requirements? ___
A. vSphere Essentials Plus
B. vSphere Standard
C. vSphere Enterprise
D. vSphere
E. nterprise Plus
【单选题】
When you add an ESXi 6.x host to a new Cluster, which vSphere object owns the CPU and Memory resources of the hosts? ___
A. vCenter Server
B. Datacenter
C. Cluster
D. Host
【单选题】
A user is trying to retrieve objects from a SharePoint server and finds the request is taking an excessive amount of time. An administrator tries to isolate the issue and notes the following: Application performance is poor when compared to virtual machines on other hosts. Performance improves when the virtual machine is moved to another host. The virtual machine encounters higher than expected CPU %Ready times. What conclusion can be reached regarding the performance issues for this virtual machine? ___
A. Host Power Management is directly impacting virtual machine performance.
B. The virtual machine has a large number of snapshots.
C. The Path Selection Policy for the storage device is set differently on the affected host.
D. Network I/O control is configured for the portgroup.
【单选题】
A virtual machine template is accidently removed from the vCenter Server Inventory. Which method would be used to recover the template back into the environment?___
A. Use the datastore browser to locate the template, then right click and add the .vmtx file to inventory.
B. Use the datastore browser to locate the template, then right click and add the .vmx file to inventory.
C. Using the Managed Object Browser and adding the template from the ManagedObjectReference:GuestFileManager object.
D. Using the Managed Object Browser and adding the template from the ManagedObjectReference:VirtualDiskManager object.
【单选题】
A vSphere administrator needs to backup a virtual machine that has a Microsoft SQL Server Database installed. Which solution allows for an application quiesce to occur during backup?___
A. VMware vCenter Converter
B. VMware vCenter Site Recovery Manager
C. VMware vSphere Replication
D. VMware vSphere Data Protection Advanced
【单选题】
An administrator is migrating a virtual machine from a Test cluster to a Production cluster. The two environments do not have any shared storage. What is the easiest way to accomplish this task? ___
A. Perform a Storage vMotion.
B. Perform a regular vMotion.
C. Perform a Virtual to Virtual migration.
D. Perform a backup and restore using VMware Data Protection.
【单选题】
An administrator must determine an appropriate backup solution, given these conditions: 50 of the virtual machines are in a resource pool named Finance. 50 of the virtual machines are in a resource pool named QA. Which solution allows an administrator the ability to backup 100 virtual machines? ___
A. Use Snapshot Manager on the vCenter Server to backup the virtual machines.
B. Use the VMware Consolidated Backup (vcb) tool on the ESXi Host to backup the virtual machines.
C. Use the VMware Data Recovery (VDR) Appliance on the vCenter Server to backup the virtual machines.
D. Use the VMware Data Protection (VDP) Appliance on one of the
E. SXi Hosts to backup the virtual machines.
【单选题】
What is a benefit of using Enhanced vMotion Compatibility for an environment? ___
A. EVC masks CPU features to allow compatibility between hosts that are dissimilar.
B. EVC allows for cross platform vMotion to occur.
C. EVC enables Long
D. istance vMotion.
【单选题】
How many Link Aggregation Groups (LAGs) can be configured on a vSphere 6.x Distributed Switch? ___
A. 64
B. 96
C. 128
D. 256
【单选题】
How many Link Aggregation Groups (LAGs) can be configured on a vSphere 6.x Distributed Switch? ___
A. 64
B. 96
C. 128
D. 256
【单选题】
An administrator needs to verify that vMotion operations can be performed in a vSphere data center.What round trip time (RTT) latency is the maximum value that will allow vMotion operations to succeed? ___
A. 50ms RTT
B. 100ms RTT
C. 150ms RTT
D. 200ms RTT
【单选题】
A storage administrator has reported that full utilization of all bandwidth from an ESXi 6.x host is not being seen. In troubleshooting the issue, the Adapter details are shown in the Exhibit. Based on the exhibit, what is cause of the issue? ___
A. The array is not setup to use the correct multipathing policy.
B. There are no virtual machines on the ESXi host.
C. Not all links are used because a path is disabled.
D. Another path needs to be configured.
【单选题】
An administrator is migrating a powered-on virtual machine, as shown in the exhibit. Which option should be selected to perform a Storage vMotion of the VM? ___
A. Change storage only
B. Change VM compute resource only
C. Change both compute resource and storage, changing the compute resource first.
D. Change both compute resource and storage, changing the storage resource first.
【单选题】
An administrator is attempting to enable Storage I/O Control on a datastore, but it is failing. What is the likely reason for this failure? ___
A. The host is connected to a datastore is running on ESX 4.0.
B. The host is connected to a Fibre Channel storage array.
C. The datastore has multiple extents.
D. The datastore is managed by a single vCenter Server.
【单选题】
A mission-critical virtual machine built on vSphere 4.1 needs to be moved to an ESXi 6.x host.Which virtual hardware version is needed to move the virtual machine without upgrading? ___
【单选题】
An administrator is analyzing a virtual machine as shown in the Exhibit. What is the current long term risk for this virtual machine? ___
A. The virtual machine may run out of memory before April 27.
B. The virtual machine may continue to function after April 27.
C. The virtual machine has adequate memory configured for operation for the next 120 days.
D. The virtual machine has adequate memory reservation configured for operation for the next 120 days.
