【多选题】
机顶盒开机后指示灯不亮，可能的问题在于（ ）___
A. 电源适配器没有连接，应正确连接适配器。
B. 电源适配器损坏，应更换新的电源适配器。
C. 电源插座无电，保证电源插座电压正常。
D. 机顶盒未连接电视机
E.
F.
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相关试题
【多选题】
4K IPTV机顶盒一般具备如下硬件接口：（ ）___
A. USB
B. HDMI
C. VGA
D. 网口
E.
F.
【多选题】
RTSP协议可以实现如下业务：（ ）___
A. IPTV直播时移
B. IPTV视频点播
C. IPTV视频回看
D. 在手机上玩王者荣耀
E.
F.
【多选题】
若使用只支持准4K的播放设备播放全4K视频，则可能会：（ ）___
A. 极为卡顿
B. 流畅播放
C. 黑屏
D. 严重偏色
E.
F.
【多选题】
下列说法正确的是：（ ）___
A. 高清分辨率只有1920*1080一种
B. 4K之所以被称为4K，是因为它每帧都包含4*1024个像素
C. 全4K和准4K在分辨率上并无差别，都是3840X2160或4096×2160。
D. 高清（HD）的视频质量介于超高清（4K）与标清（SD）之间
E.
F.
【多选题】
下列属于高清视频的是：（ ）___
A. 1080P
B. 1080I
C. 720P
D. 2160P
E.
F.
【多选题】
下列说法正确的是：（ ）___
A. 标清视频的平均码率一般为1.5Mbps左右
B. 高清视频的平均码率一般为8Mbps左右
C. 准4K视频的平均码率一般为15Mbps左右
D. 全4K视频的平均码率一般为40Mbps左右
E.
F.
【多选题】
全4K与准4K相比，具备如下优势：（ ）___
A. 帧率提升至50/60fps
B. 色域提升至BT.2020
C. 量化精度提升至10bit
D. 采用了高动态范围（HDR）
E.
F.
【多选题】
下列关于准4K视频的描述，正确的是：（ ）___
A. 帧率为24/25/30fps
B. 色域为BT.709
C. 量化精度为8bit
D. 采用一般动态范围（SDR）
E.
F.
【多选题】
下列可以作为IPTV终端的是：（ ）___
A. 机顶盒
B. 智能电视一体机
C. HDMI
D. ongle（电视棒） D.融合网关
E.
F.
【多选题】
IPTV业务包含哪些业务：（ ）___
A. 电视直播
B. 直播回看
C. 视频通话
D. 上网冲浪
E.
F.
【多选题】
下列哪些技术可以提升用户视频观看体验：（ ）___
A. FEC
B. FCC
C. ARQ
D. UDP
E.
F.
【多选题】
IPTV业务平台分为如下几个部分（ ）___
A. 业务管理系统
B. 内容管理系统
C. EPG系统
D. 计费系统
E.
F.
【多选题】
现有一用户希望把自己手机中正在播放的内容投到客厅电视上观看，以下说法正确的是（ ）___
A. 机顶盒需要安装手机投屏盒端apk
B. 如果用户使用的手机是安卓系统，该手机需要安装一个投屏APP；
C. 如果用户使用的手机是苹果系统，该手机无需安装投屏APP
D. 投屏时，安卓手机与机顶盒之间采用的是DLNA协议；苹果手机与机顶盒之间采用的是AirPlay协议
E.
F.
【多选题】
使用组播功能的优点是（ ）___
A. 降低服务器负载
B. 节省网络带宽，降低对网络设备的要求
C. 用户规模可以灵活变化，用户规模的增大不会对网络造成带宽压力
D. 以上都不对
E.
F.
【多选题】
不带POTS口的单以太网口的SFU形态的ONU，适合开通哪种业务（ ）___
A. 上网
B. 语音
C. IPTV
D. 上网+IPTV
E.
F.
【多选题】
带POTS口和2个以太网口的HGU形态的ONU，适合开通哪种业务（ ）___
A. 上网
B. 语音
C. IPTV
D. WiFi
E.
F.
【多选题】
在FTTH业务场景中，关于HGU型ONU下列哪种说法是错误的（ ）___
A. ONU能通过PPPOE拨号获取IP地址
B. ONU能通过DHCP获取IP地址
C. ONU可以给用户接入终端分配IP地址
D. ONU自身无法拨号，需要用户下挂PC或者路由器进行拨号
E.
F.
【多选题】
只建立了桥接WAN连接的HGU可以（ ）___
A. 开通宽带业务
B. 开通IPTV业务
C. 开通语音业务
D. 在RMS中对其进行管理
E.
F.
【多选题】
以下是造成用户家庭有线宽带业务不通的原因是（ ）___
A. 由于光纤损坏、光功率不足或者光纤未插紧导致ONU未上线
B. 用户宽带已到期，待续费
C. 光猫故障
D. 用户PC与光猫之间的网线连接故障
E.
F.
【多选题】
假设一用户家庭的光猫为HGU型ONU，采用路由模式上网。当用户家庭宽带业务发生故障导致宽带不通时，以下可以采用的检查手段有（ ）___
A. 观察光猫PON灯是否常亮，若常亮，说明光猫在线；若不常亮，检查光纤是否损坏
B. 设置PC网卡的IP获取方式为DHCP，并采用网线将其与光猫直连，分别Ping 光猫LAN口地址和www.baidu.com。如果光猫LAN口地址不能Ping通，说明ONU存在故障
C. 进入光猫管理界面，检查用户PPPOE账号是否输入正确，或者账号资费是否正常
D. 进入光猫管理界面，查询光猫是否PPPOE拨号成功。如果拨号成功，说明家庭网络接入侧没有问题
E.
F.
【多选题】
当用户家庭语音业务出现故障时，以下可以用来排查故障的手段有（ ）___
A. 观察光猫PON灯是否常亮，若常亮，说明光猫在线；若不常亮，检查光纤是否损坏
B. 登录光猫管理界面，检查用户电话号码、注册用户名、注册密码是否正确
C. 登录光猫管理页面，通过维护功能Ping软交换地址，查看能否Ping通
D. 登录光猫管理界面，检查POTS端口是否使能，检查电话号码配置的端口与实际电话连接的POTS口是否一致
E. 摘机检查电话是否故障
F.
【多选题】
对于客户提问的问题，应该（ ）___
A. 做到有问必答，执行首问负责制
B. 属于本部门职责范围内的，能当场答复的，应当场答复客户
C. 不能当场答复的，应详细记录客户咨询或投诉的内容，留下客户姓名、地址、联系电话等，待落实后及时答复客户
D. 对于不属于本部门职责范围内的问题，可不予回答
E.
F.
【多选题】
装维施工完毕后应（ ）___
A. 向客户介绍业务使用及故障申告方法、交费方式及注意事项等
B. 如有客户使用手册、业务宣传资料及赠品，要及时奉送
C. 宽带安装完毕，应提醒客户及时修改上网密码,以防被盗
D. 可随时离开
E.
F.
【多选题】
智慧家庭工程师在与客户预约时间时应诚恳与客户商量，应（ ）___
A. 以客户提出的预约时间为准
B. 尊重客户的时间优先选择权
C. 按照自己工作计划时间安排
D. 可随时修改预约时间
E.
F.
【多选题】
下列描述正确的是（）___
A. 当发现用户使用通信设备不当时，装维人员应热情指导用户正确使用。
B. 发现用户使用通信设备时违反了有关规定，应耐心地向用户讲道理并请用户遵守有关规定。
C. 装维人员在工作中发生差错应及时纠正，并诚恳接受用户批评，当面主动向用户道歉。
D. 装维人员工作结束后，应留下自己电话号码，以便用户在使用过程中遇到问题询问。
E.
F.
【多选题】
施工、维护中的行为要求包括以下（）___
A. 在客户端进行操作服务时任何可能涉及影响客户已有环境、设施等的操作必须征得客户的同意
B. 客户开门后，要主动向客户出示工号牌并自我介绍，得到允许后方能进入
C. 不处理带风险性的故障
D. 在服务工作中，对客户提出的要求，在符合规定、条件允许的情况下，应予满足
E.
F.
【多选题】
客户端装维人员必须具备的技术能力包括（）。___
A. 掌握接入网、PON技术、计算机和计算机网络等基础知识
B. 掌握各种业务开通、调测流程
C. 熟悉客户终端设备的安装和使用方法
D. 具有一定的故障判断、定位和处理能力
E.
F.
【多选题】
以下哪些用语适合维护人员在客户端使用（）___
A. 非常抱歉，我迟到了，耽误您时间请原谅！
B. 对不起，这个地方太潮湿，您看能不能换个位置
C. 祝您愉快，再见！
D. 刚才不是跟你说了，怎么又问？
E.
F.
【多选题】
以下哪些是维护人员不应该在客户端进行施工及维护工作中使用的用语（）___
A. 不知道，这事不归我们管
B. 不是告诉你了吗，你还不明白？
C. 这是公司规定的
D. 我不是为你一个人服务的
E.
F.
【判断题】
当涉及通信的所有点串联起来，而且首尾相连，没有任何点开放时就形成了环型结构。
【判断题】
数据通讯中设备端口的工作模式有三种，分别是单工、半双工、全双工
【判断题】
广域网（WAN）的分组方式是一种存储转发的交换方式。
【判断题】
计算机的存储系统一般指内存储器和外存储器。
【判断题】
我们平常使用的micro sd卡指的就是TF卡
【判断题】
计算机网卡的MAC地址固化在网卡的ROM里面。
【判断题】
为保障网管计算机工作电源稳定，建议使用UPS供电。
【判断题】
防火墙自身具有非常强的抗攻击能力，能解决来自内部网络的攻击。
【判断题】
OSI的参考模式仅包括物理层，网络层，会话层，表示层，应用层
推荐试题
【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.
【单选题】
An administrator is monitoring a High Availability (HA) and Distributed Resource Scheduler (DRS) enabled cluster and has noticed that virtual machines in the cluster are being migrated without user intervention. Why is this happening? ___
A. The DRS Automation level is set to Fully Automated.
B. The Automation level is set to Automatic.
C. The
D. PM Threshold is set to Aggressive.
【单选题】
An administrator attempts to migrate a suspended virtual machine to a newly deployed vSphere 6.x cluster. The compatibility check fails. What condition could cause this behavior?___
A. The new vSphere 6.x cluster is running Intel CPUs instead of AMD CPUs.
B. A suspended virtual machine cannot be migrated.
C. The hardware virtualization feature of the CPU is not enabled on the new hosts.
D. A vSphere Distributed Switch is required to migrate a suspended virtual machine.
【单选题】
A vSphere administrator has been using vSphere in evaluation mode and now wants to deploy an environment that provides the same features. Which edition of vSphere provides similar functionality to evaluation mode? ___
A. Enterprise Plus
B. Enterprise
C. Standard
D. Essentials
【单选题】
A vSphere administrator has been using vSphere in evaluation mode and now wants to deploy an environment that provides the same features. Which edition of vSphere provides similar functionality to evaluation mode? ___
A. Enterprise Plus
B. Enterprise
C. Standard
D. Essentials
【单选题】
An administrator has just configured the IP address on an ESXi host from the Direct Console User Interface. How can the configuration be validated as correct without any additional tools?___
A. Add the host to vCenter Server and if it works, then all networking settings are ok.
B. Select the Test Management Network option from the DCUI.
C. Connect to the host with the vSphere Client and click the Test Network option.
D. Use PowerCLI to connect to the host and initiate a network test.
【单选题】
An administrator is installing vCenter Server for an environment that has 40 ESXi 6.x Hosts and 150 virtual machines. Which database would meet the minimal requirements needed for this task? ___
A. vFabric Postgres
B. Microsoft SQL Express 2008
C. Microsoft SQL Server 2014
D. Oracle 11g
【单选题】
What is a requirement when enabling a Virtual SAN cluster in an existing High Availability (HA) and Distributed Resource Scheduler (DRS) Cluster? ___
A. Disable DRS and HA before enabling Virtual SAN
B. Enable DRS before enabling Virtual SAN
C. Disable HA before enabling Virtual SAN
D. Enable Storage DRS before enabling Virtual SAN
【单选题】
The vSphere administrator attempts to connect to an ESXi host via an SSH client and receives the following security alert: The vSphere administrator needs to determine whether the RSA key fingerprint shown in the security alert is the fingerprint of the intended ESXi host. Which tool should the vSphere administrator use? ___
A. Direct Console User Interface
B. vSphere Client
C. vSphere Web Client
D. vSphere Management Assistant
【单选题】
An administrator needs to monitor traffic on vSwitches in a vSphere 6.x environment. Which option, if configured, would accomplish this task? ___
A. Forged Transmits
B. MAC Address Changes
C. Promiscuous Mode
D. Notify Switches
【单选题】
What is true regarding datastores on ESXi 6.x? ___
A. NFS 4.1 datastore does not support Fault Tolerance (FT)
B. VMFS3 and VMFS5 datastores can be newly created
C. NFS datastore can be concurrently mounted using NFS 4.1 on one host and NFS on another
D. NFS 3.0 datastore does not support Fault Tolerance (FT)
【单选题】
An administrator is cloning and configuring five new web server virtual machines. What would be the benefit of configuring resource shares for the new VMs? ___
A. To prioritize access to a resource during contention.
B. To guarantee access to a resource during contention.
C. To prioritize access to a resource before contention occurs.
D. To guarantee access to a resource before contention occurs.
【单选题】
An administrator logs into the vSphere Web Client and sees the warning shown in the Exhibit. During a change control window, the warning was addressed. What should be done to verify that the host is no longer showing the warning? ___
A. Run a Remediate host operation.
B. Recheck the compliance of the host.
C. Restart the host to get rid of the warning.
D. Install VMware tools to clear the warning.
【单选题】
A vApp named Sales has a Memory Limit of 32 GB and a CPU Limit of 12,000 MHz. There are three virtual machines within the vApp: <Sales-DB -- Has a memory reservation of 20 GB. > <Sales-DC -- Has a memory reservation of 8 GB. > <Sales-Web -- Has a memory reservation of 8 GB.> Which statement is correct? ___
A. All three virtual machines can power on, but will have memory contention.
B. All three virtual machines can power on without memory contention.
C. Only two of the three virtual machines can power on.
D. Only one of the virtual machines can power on.
【单选题】
You are editing the management network configuration of an ESXi 6.x Host from the vSphere Web Client. You mistakenly put the incorrect VLAN in place for the management network. What action do you need to take to correct this? ___
A. You need to manually edit the configuration on the host with command line utilities.
B. No action is required. By default ESXi rolls back configuration changes that disconnect the host.
C. The ESXi host system configuration will need to be restored to the factory configuration to fix the issue.
D. The change can be reverted in the vSphere Web Client by simply editing the switch again.
【单选题】
What is true about resource pools created on a Distributed Resource Scheduler (DRS) cluster?___
A. A root resource pool is created with the specified values.
B. A root resource pool is automatically created using the aggregate total of the ESXi host resources in the cluster.
C. A root resource pool is automatically created using the aggregate total of all resources in the datacenter.
D. A root resource pool is not needed when creating resource pools on a DRS cluster.
【单选题】
An administrator attempts to enable Enhanced vMotion Compatibility (EVC) on a cluster. The operation results in a compatibility error, as shown in the exhibit. What is the likely cause of this error? ___
A. The CPUs in the ESXi host are not AMD CPUs.
B. The CPUs in the ESXi host do not support hardware virtualization capabilities.
C. The XD/NX CPU features have not been enabled in the BIOS of the server.
D. There is no shared storage between the hosts in the cluster.
【单选题】
What condition would prevent an administrator from creating a new VMFS3 datastore on an ESXi 6.x host using the vSphere Web Client? ___
A. A VMFS3 datastore cannot be created on an ESXi 6.x host.
B. The VMFS3 kernel module is not loaded.
C. A VMFS3 datastore cannot be mounted on an ESXi 6.x host.
D. VMFS3 datastores are not compatible with virtual machines created on an
E. SXi 6.x host.
【单选题】
During a new vSphere Distributed Switch configuration, where does the Maximum Transmission Unit (MTU) value get modified? ___
A. Uplink Settings
B. Switch Settings
C. Portgroup Settings
D. NIC Teaming Settings
【单选题】
A small company wants to use VMware products for its production systems. The system administrator needs to recommend a solution that will deliver High Availability to the company's production applications. What is minimum vSphere offering that will support this requirement? ___
A. vSphere Essentials
B. vSphere Essentials Plus
C. vSphere Hypervisor
D. vSphere Standard
【单选题】
Which scenario shows a reason for VMware Tools failing to install? ___
A. Virtual machine has a CD-ROM configured.
B. Guest OS Antivirus is blocking the VMware Tools installation.
C. Guest OS has 64-bit ldd (list dynamic dependencies) utility installed.
D. Virtual machine is powered on.
【单选题】
An administrator is configuring an ESXi 6.x host to use multiple NICs to resolve a management network redundancy error. After configuring a second NIC, the server is not able to communicate when the primary connection is taken down. The administrator analyzes the Exhibit shown here. Based on the exhibit, what is the likely cause of the issue? ___
A. vmnic4 is not attached to a vSwitch.
B. vmnic2 is not connected to a physical switch.
C. E1000 is the incorrect NIC
D. river for this card.
【单选题】
What information is required as part of an interactive ESXi 6.x installation? ___
A. Keyboard layout
B. IP Address
C. Root password
D. DNS information
【单选题】
What is the default load balancing policy for a newly created VMkernel port on a vSphere Distributed Switch? ___
A. Route based on orginating virtual port ID
B. Route based on IP Hash
C. Route based on source mac address
D. Route based on physical NIC load
【单选题】
An administrator deploys vCenter Server using the embedded Platform Services Controller. After testing the deployment for a couple of months, it is determined that the environment would be better served with an external Platform Services Controller. What should the administrator do to meet this new requirement? ___
A. Deploy a fresh instance of vCenter Server with an external Platform Services Controller.
B. Perform a fresh install of an external Platform Services Controller.
C. Migrate the embedded Platform Services Controller to an external Platform Services Controller.
D. Upgrade the embedded Platform Services Controller to an external Platform Services Controller.
【单选题】
Why are some virtual machines orphaned after rebooting a High Availability (HA) enabled host? ___
A. The Orphaned virtual machines have HA restart disabled.
B. The Orphaned virtual machines moved recently and the change did not persist.
C. The host is attached to failed storage.
D. The host just came out of maintenance mode.
