【多选题】
机顶盒开启IPTV应用后发现连接EPG失败，可能的原因为( )___
A. EPG服务器地址设置不正确；
B. TV平台发生故障；
C. 网络设备的MTU值设置不正确；
D. 机顶盒损坏
E.
F.
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【多选题】
电视机屏幕上无视频图像，以下可能的原因有：（ ）___
A. 机顶盒处于待机状态
B. 视频线没有接好或插错位置
C. 电视机的视频输入源不正确
D. 服务网络出现故障
E.
F.
【多选题】
机顶盒开机后与TV平台的交互流程包括（ ）___
A. 开机接入网络后，主动连接配置的主认证服务器地址
B. 向业务管理系统发送认证请求
C. 下载频道列表
D. 连接主EPG
E.
F.
【多选题】
机顶盒按键处理过程包括（ ）___
A. 按下遥控器上面相应的按键，遥控器发送对应波长的红外信号
B. 红外驱动收到键值，进行模数转换，经过处理后，上报给主控。
C. 主控把处理结果发回给遥控器。
D. 主控识别键值，判断这个键值是否自己处理（一般情况下是菜单、四色键、设置等几个热键），然后返回信息告诉浏览器
E.
F.
【多选题】
机顶盒可以通过（ ）方式升级软件___
A. 远程下发方式
B. 本地U盘放装升级
C. 手工拆机更换CPU升级
D. 拨号升级
E.
F.
【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.
【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。
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我国对企业发生的事故，坚持“四不放过”原则进行处理
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在机械设备中，凸轮表面误差将会引起扭转振动
【单选题】
What happens to the status of users already logged into ESXi Shell when a vSphere administrator enables lockdown mode?___
A. Users remain logged in and can run commands, except to disable lockdown mode.
B. Users remain logged in and can run commands, including disabling lockdown mode.
C. Users are immediately logged out of ESXi Shell.
D. Users are logged out after a timeout specified by the vSphere administrator.
【单选题】
What is the effective vSphere licensing level during the 60 day evaluation period?___
A. vSphere Foundation Essentials Plus
B. vSphere Standard
C. vSphere Enterprise
D. vSphere
E. nterprise Plus
【单选题】
To comply with security requirements, an administrator with a vCenter Server Appliance needs to force logoff of the vSphere web client after 10 minutes of inactivity.What should the administrator do to meet the requirement?___
A. Edit: /var/lib/vmware/vsphere-client/webclient.properties, modify session.timeout=10
B. Edit: /opt/vmware/vsphere-client/webclient.properties, modify session.timeout=600
C. Edit: /var/lib/vmware/vsphere-client/webclient.properties modify session.timeout=600
D. Edit: /opt/vmware/vsphere-client/webclient.properties, modify session.timeout=10
【单选题】
An administrator enables High Availability (HA) on a Virtual SAN cluster.Which network is used for HA Network Heatbeat configuration?___
A. The Management network.
B. The vMotion network.
C. The Virtual SAN network.
D. The Provisioning Traffic network.
【单选题】
A user wants to monitor a business-critical virtual machine to ensure that it doesn't run out of resources. What metric could be monitored in vRealize Operations to address this concern?___
A. Time Remaining badge
B. Compliance badge
C. Reclaimable Waste badge
D. Density badge
【单选题】
An administrator has recently installed a new ESXi 6.x Host, and during the configuration notices sporadic network problems. To check whether the issue occurred sometime during the configuration, the administrator would like to reset the system.How can this be accomplished in the shortest amount of time?___
A. Run the ESXi installer again and reinstall the host.
B. Select the Reset System Configuration option from the vSphere Client when connected directly to the host.
C. From the
D. irect Console User Interface, select Reset System Configuration.
【单选题】
A vApp is running out of compute resources when overall activity is high within the resource pool. At other times, everything is fine.What should be done to resolve this issue?___
A. Increase the size of the resource pool Shares.
B. Set the vApp's CPU and Memory Reservation Type to Expandable.
C. Set the vApp's CPU and Memory Limit to Unlimited.
D. Create a new resource pool with the existing hardware configuration.
【单选题】
A virtual machine has been renamed and an administrator is unable to find files with the new virtual machine name in the datastore.What is the reason for this?___
A. The names of the files on the datastore do not change.
B. The names of the files on the datastore have been corrupted.
C. The virtual machine needs to be re-added to the inventory.
D. The Distributed Resource Scheduler moved the virtual machine to another host.
【单选题】
An administrator has configured network connectivity for a new virtual machine, as shown in the Exhibit.What will occur with the network traffic of this virtual machine when communicating externally from vSwitch1?___
A. The virtual machine will communicate on both uplinks
B. The virtual machine will only communicate on vmnic1
C. The virtual machine will only communicate on vmnic2
D. The virtual machine will fail to communicate externally
【单选题】
An administrator is unable to create the first group in a new vRealize Operations environment. What is the likely cause of the problem?___
A. There are no group types defined.
B. The group is not defined in SSO.
C. There are more than 32 group types defined.
D. The description for the group is not provided.
【单选题】
A new vApp was built and tested in the corporate headquarters datacenter running vSphere 6.x. What condition would explain why the virtual machine is failing to boot in an offsite datacenter running on vSphere 5.5?___
A. The virtual machine was built with the default hardware version.
B. The VMFS 5 datastore is not compatible with virtual machines configured with vSphere 6.x.
C. a
D. RS 5.5 cluster cannot run virtual machines configured with vSphere 6.x.
【单选题】
An administrator is evaluating whether to deploy vCenter Server on a Windows server or on a vCenter Server appliance. The administrator has the following requirements: <A web browser will be utilized to manage the vSphere environment.> <16 ESXi hosts will be deployed.> <Licenses must be shared with a vCenter Server at another site.> <An external Oracle 10g database server will be used to host the vCenter Server database.> Why will the administrator need to deploy vCenter Server on a Windows server?___
A. Linked Mode is a requirement for the solution.
B. Oracle 10g is a requirement for the solution.
C. The vSphere web client is a requirement for the solution.
D. Management of more than 5 hosts is a requirement for the solution.
【单选题】
What is a benefit of using VMware Data Protection ?___
A. Provides support for guest-level backups and restores of Microsoft SQL Servers, Exchange Servers, and Share Point Servers.
B. Provides support for advanced storage services including replication, encryption, deduplication, and compression.
C. Provides direct access to VDP configuration integrated into the vSphere Client.
D. Reduces disk space consumed by virtual machine data using deduplication.
【单选题】
An administrator enables vSphere High Availability (HA) on an existing cluster with a large number of hosts and virtual machines. The administrator notices that the setup of vSphere HA on some of the hosts is failing. What step, if taken, might resolve this issue?___
A. Increase the value of the config.vpxd.das.electionWaitTimeSec setting.
B. Set the value of vpxd.das.aamMemoryLimit to 256.
C. Set the value of the das.useDefaultIsolationAddress setting to False.
D. Increase the value of the das.iostatsinterval setting.
【单选题】
An ESXi 6.x host consists of 24 logical cores. Hyperthreading is enabled on the host. What is the maximum number of vCPUs that can be assigned to a virtual machine on this host?___
【单选题】
By default, each ESXi 6.x host is provisioned with a certificate from which root certificate authority?___
A. RedHat Certificate Authority
B. VMware Certificate Authority
C. DigiCert Certificate Authority
D. Verisign Certificate Authority
【单选题】
An administrator is adding an NFS datastore as shown in the Exhibit. What is the purpose of the Servers to be added list?___
A. It contains the IP addresses of the NFS Storage Server to provide multipathing capability.
B. It contains the IP addresses of the ESXi hosts that mount the datastore.
C. It contains the IP addresses used for
D. ynamic Discovery of targets.
【单选题】
An administrator reports that the System Event log data is only available for 24 hours when reviewing the Hardware Status tab. Which condition could be responsible for the loss of data?___
A. A Reset event log was executed.
B. The statistical collection level was set to a value of 1.
C. The boot disk of the host is corrupt.
D. Syslog has been configured at the vCenter Server level.
【单选题】
During an upgrade, the ESXi 6.x installer finds an existing version of ESXi and a VMFS3 volume. No virtual machines exist on the host or VMFS3 volume. The requirement is to upgrade to VMFS5. Which option should be chosen to meet this requirement?___
A. Upgrade ESXi and preserve the VMFS datastore
B. Install ESXi and preserve the VMFS datastore
C. Install ESXi and overwrite the VMFS datastore
D. Upgrade
E. SXi and overwrite the VMFS datastore
【单选题】
A vSphere 6.x Standard Switch is configured with 4 virtual machine portgroups, as shown in the exhibit. Which portgroup would be utilized by default when creating a new virtual machine?___
A. Access Network
B. DMZ Network
C. VM Network
D. Virtual Machine Network
【单选题】
Which vSphere 6.x feature will allow an organization to utilize native snapshots?___
A. Virtual Volumes
B. Virtual SAN
C. VMFS3
D. VMFS5
【单选题】
An administrator is creating a new vSphere Distributed Switch that will be utilized with a specific vSphere Cluster. The cluster itself contains a mix of ESXi 5.x and 6.x Hosts. Which Distributed Switch version should be created to support this configuration?___
A. Distributed Switch: 6.0.0
B. Distributed Switch: 5.0.0
C. Distributed Switch: 5.1.0
D. Distributed Switch: 5.5.0
【单选题】
Which load balancing policy, previously limited to vSphere Distributed Switches, is now available on vSphere Standard Switches with vSphere 6.x?___
A. Route based on physical NIC workload
B. Route based on IP Hash
C. Route based on the originating virtual port
D. Route based on Source MAC Hash
【单选题】
A storage administrator is not seeing full utilization of all bandwidth from an ESXi host. The vSphere administrator observes the adapter details, as shown in the Exhibit. What is the probable cause of this issue?___
A. Another path needs to be used to allow full utilization of the bandwidth.
B. The array is not setup to use the correct multipathing policy.
C. There are no virtual machines on the host.
D. No traffic is being sent across it because a path failed.
【单选题】
A storage administrator is not seeing full utilization of all bandwidth from an ESXi host. The vSphere administrator observes the adapter details, as shown in the Exhibit. What is the probable cause of this issue?___
A. Another path needs to be used to allow full utilization of the bandwidth.
B. The array is not setup to use the correct multipathing policy.
C. There are no virtual machines on the host.
D. No traffic is being sent across it because a path failed.
【单选题】
An administrator has just completed performing an interactive installation of ESXi 6.x and is booting the host. How is the network initially configured?___
A. The network is configured by Automatic Private IP Addressing (APIPA).
B. The network is configured based on the settings detected in DNS.
C. The network is configured with the address as specified in the installer.
D. The network is automatically configured by DHCP.
【单选题】
You have just installed an ESXi 6.x Host. As part of your company security regulations, a security banner must be presented on the console of the host. How can this action be accomplished?___
A. Configure the Advanced Settings > Annotations screen of the ESXi host.
B. This is configured from the Direct Console User Interface configuration menu.
C. It is not possible to configure a security banner for the ESXi host.
D. From vCenter Server, this setting is configured globally in the vCenter Server configuration.
【单选题】
An administrator is only able to see the Health Badge when using the vRealize Operations user interface. What is the likely cause of this behavior?___
A. The vRealize Operations Foundation License is in use.
B. The vmware-sps service failed to start.
C. The vRealize Operations Standard License is in use.
D. The vmware-rbd-watchdog service failed to start.
