相关试题
【单选题】
以下于传真业务无关的设备是( )___
A. 软交换平台
B. 媒体流服务器
C. ONU
D. 电话
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. HG810e
B. HG850a
C. HG850
D. HG850e
E.
F.
【单选题】
以下装维人员服务行为规范描述不正确的有（ ）___
A. 上门服务应遵纪守法，尊重地方风俗，严禁参与非法活动
B. 到达客户所在地时，敲门动作要轻，声音要适当,当无人应答是应逐步提高敲门声音直至最大
C. 如需按门铃，按动次数不要过多、过长，如在10分钟内无人应答且与客户联系不上，应在留下到访留言后方可离去
D. 无论房门是否关闭，要先轻轻敲门，听到应答再进入房间开关门动作要轻，严禁粗暴
E.
F.
【单选题】
因特网为人们提供了一个庞大的网络资源，下列关于因特网功能的描述不正确的是______
A. 电子邮件
B. WWW浏览
C. 程序编译
D. 文件传输
E.
F.
【单选题】
因一干或省内延伸段设备或光缆故障，尚未影响业务，但对双路由的重要或一般客户的传输租赁业务质量造成隐患，若历时超过（ ）小时，即为严重故障。___
A. 2
B. 4
C. 6
D. 8
E.
F.
【单选题】
影响光纤带宽的因素有()___
A. A.传输距离
B. 模式
C. 色散
D. 材质
E.
F.
【单选题】
对于从IMS域的用户发起的注册，第一个获取到该注册信息的IMS网元是（）___
A. P-CSCF
B. I-CSCF
C. S-CSCF
D. MGCF
E.
F.
【单选题】
用1：2分光器的光信号衰减约3db，则1：32分光器的衰减大约为（ ）___
A. 6db
B. 9db
C. 12db
D. 15db
E.
F.
【单选题】
用串口线登录AN5506-06的波特率为（ ）___
A. 9600
B. 115200
C. 38400
D.
E.
F.
【单选题】
WLAN系统覆盖设计要求为98％以上区域的信号强度为___
A. 不得低于-65dBm
B. 不得低于-70dBm
C. 不得低于-75dBm
D. 不得低于-85dBm
E.
F.
【单选题】
终止PPPOE会话的信令是否可以由BAS发送.（ ）___
【单选题】
用串口线连接设备，一般串口使用速率为___
A. 4800
B. 9600
C. 19200
D. 38400
E.
F.
【单选题】
用光功率计准确测量ONU的收光功率，应该将波长调至（）nm___
A. 1310
B. 1490
C. 1510
D. 1550
E.
F.
【单选题】
用户交换机配备中，以下具有最高操作权限的是___
A. 操作员
B. 管理员
C. 超级用户
D. 维护员
E.
F.
【单选题】
用户使用WLAN上网时，需要将网线拔出，是出于以下什么考虑.（ ）___
A. 用户未将网线拔出时，用户连接CMCC后，可能导致无法打开认证界面
B. 用户未将网线拔出时，会导致无法连接上CMCC信号
C. 用户未将网线拔出时，会导致无法获取IP地址
D. 用户未将网线拔出时，会导致用户无法通过WLAN认证
E.
F.
【单选题】
用数字万用表电阻20K量程测量电阻时，示数为1.5，被测电阻为（）___
A. 1.5KΩ
B. 1.5Ω
C. 30KΩ
D. 30Ω
E.
F.
【单选题】
用于远程登录服务的默认端口是（ ）___
A. 20
B. 21
C. 23
D. 80
E.
F.
【单选题】
由于传输设备站与站之间的距离较远，在进行故障定位时，首先就应将故障点准确地定位到单站。( )___
【单选题】
有市电时UPS工作正常，一停电就无输出，不可能原因有（ ）___
A. 没有开机，UPS工作于旁路状态
B. 市电不正常
C. 电池开关没有合
D. 电池的放电能力不行，需更换电池
E.
F.
【单选题】
二纤单向通道保护环的工作原理是( ) ___
A. 业务纤S同保护纤P不同时工作
B. 并发优收
C. 业务纤S同保护纤P传输方向相同
D. 业务纤S同保护纤P不在一起
E.
F.
【单选题】
有线代维人员至客户端机房进行单机测试时，断开客户设备，在传输端口上接入测试仪表2M表测试仪或笔记本电脑，测试与客户总点的路由通断情况，以此判断属于（ ）原因.___
A. 移动网络内部还是外部问题
B. 是否为非监控接入设备问题
C. 数据配置
D. 环路路由
E.
F.
【单选题】
网管自己锁屏功能可以通过d:\otnm\ui\otnm.ini文件中的哪项参数的值改为修改为-1，保证用部锁屏（ ）___
A. MENU_NEIPCFG
B. DEVCFGLOCK
C. AUTO_LOCK_TIMEOUT
D. USER_LOCKED_TIME
E.
F.
【单选题】
有一台计算机安装了一块10/100M自适应网络接口卡，当该计算机通过UTP电缆跟下列设备对接时，分别工作在那种双工模式？对接的设备为HUB，LAN交换机。（ ）___
A. 全双工，全双工
B. 半双工，全双工
C. 全双工，半双工
D. 半双工，半双工
E.
F.
【单选题】
有一种互连设备工作于网络层，它既可以用于相同（或相似）网络间的互连，也可以用于异构网络间的互连，这种设备是___
A. 集线器
B. 交换机
C. 路由器
D. 网关
E.
F.
【单选题】
遇有下列情况，应适当增加巡检次数（）___
A. 等级高，恢复时限短的重要集团客户电路
B. 电路近期运行质量较差，故障重复率高
C. 多次发生不明原因障碍
D. 以上都是
E.
F.
【单选题】
原则上线缆标签应固定在距线缆接头()厘米的范围之内。___
A. 2016/7/10
B. 2016/3/7
C. 2016/1/2
D. 以上都不对
E.
F.
【单选题】
原则上要求ANM2000网管安装在哪一个盘符下。( )___
A. C:
B. D:
C. E:
D. F:
E.
F.
【单选题】
远程登录网络设备的命令是（ ）___
A. PING
B. TELNET
C. TRACERT
D. IPCONFIG
E.
F.
【单选题】
远端缺陷指示告警为( )___
A. AIS
B. LOS
C. LOF
D. RDI
E.
F.
【单选题】
远端缺陷指示告警为（ ）___
A. AIS
B. LOS
C. LOF
D. RDI
E.
F.
【单选题】
运用插入菜单的工作表命令，可以建立一个新的空白工作表()___
A. 原先的当前工作表不变，新工作表插入到当前工作表之前
B. 原先的当前工作表不变，新工作表插入到当前工作表之后
C. 新工作表插入到当前工作表之前，然后把新工作表作为当前工作表
D. 新工作表插入到当前工作表之后，然后把新工作表作为当前工作表
E.
F.
【单选题】
QINQ域模板最多支持（ ）个.___
A. 512
B. 32
C. 1024
D. 128
E.
F.
【单选题】
网络 212.31.136.0/24和212.31.143.0/24汇聚后的地址是（ ）___
A. 212.31.136.0/22
B. 212.31.136.0/21
C. 212.31.128.0/21
D. 212.31.136.0/20
E.
F.
【单选题】
防火墙直接获得数据包的源 IP 地址、目的 IP 地址、源 TCP/ UDP 端口和目的 TCP/UDP 端口和协议号等，并根据定义的特定规则过滤数据包，这种防火墙我们称之为___
A. 包过滤防火墙
B. 代理防火墙
C. 状态检测防火墙
D. 电路层防火墙
E.
F.
【单选题】
在（ ）时需用反光警示牌.___
A. 过低压线
B. 过高压线
C. 过河流
D. 过公路
E.
F.
【单选题】
在Excel窗口的编辑栏中，最左边有一个名称框，里面显示的是当前单元格(即活动单元格)的( )___
A. 填写内容
B. 值
C. 位置
D. 名字或地址
E.
F.
【单选题】
在Excel中，冻结窗口操作的前提条件是( )___
A. 有新建的文档窗口
B. 已经打开了多个文档窗口
C. 当前文档窗口已被分割
D. 没有条件
E.
F.
【单选题】
在Excel中，下面错误的表述是（） ___
A. Excel提供了自动套用格式的功能，它是系统预先设计的表格格式
B. 模板实际上是具有某种样式数据格式的空白表格
C. 模板是由系统提供的，用户不能自己创建
D. 在编辑过程中，对经常使用的格式，用户可自己建立一组样式，它可包含多种格式
E.
F.
【单选题】
在FTTX业务出现退出服务、业务中断故障后，现场工程师应通常首先采用以下那种方法来进行故障定位___
A. 重启设备
B. 拔插单板
C. 在上层各级设备依据不同业务的VLAN起三层接口互ping测试
D. 以上都正确
E.
F.
【单选题】
在IMS终端的注册流程中，UE发出注册请求，由哪个设备( )为用户选择S-CSCF？___
A. AS
B. HSS
C. I-CSCF
D. MGCF
E.
F.
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1 When the police caught up with him, Mr.Foster had to [ ] that he'd broken the speed limit.
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2 Whenever my boss makes a decision that I don't agree with, I tell him what I really think, though it's [ ] to make him happy by telling him his ideas are always right
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