【多选题】
无源光网络由()组成。___
A. 局侧的OLT(光线路终端)
B. 用户侧的ONU(光网络单元)
C. ODN(光分配网络)组成
D. POS(PassiveOpticalSplitter,无源光分路器/耦合器)
查看试卷,进入试卷练习
微信扫一扫,开始刷题
相关试题
【多选题】
下列哪些是属于无线局域网标准()。___
A. IEEE802.11
B. 3GPP
C. HiperLAN
D. Bluetooth
【多选题】
下列属于线路设备维护工作内容的是()。___
A. 技术管理
B. 日常巡视
C. 对外配合
D. 优化改造
【多选题】
下列属于线路维护使用仪表的是()。___
A. 喷灯
B. OTDR
C. 光功率计
D. 穿线工具
【多选题】
下列选项中()属于集中故障处理流程的质量指标。___
A. 巡检完成率
B. 故障处理及时率
C. 故障处理历时
D. 客户投诉处理满意度
【多选题】
下列有关光纤的说法哪些是正确的?___
A. 多模光纤可传输不同波长不同入射角度的光
B. 多模光纤的成本比单模光纤低
C. 采用多模光纤时,信号的最大传输距离比单模光纤长
D. 多模光纤的纤芯较细
【多选题】
下列有关光纤的说法中哪些是错误的?___
A. 多模光纤可传输不同波长不同入射角度的光
B. 多模光纤的纤芯较细
C. 采用多模光纤时,信号的最大传输距离比单模光纤长
D. 多模光纤的成本比单模光纤低
【多选题】
现在GPON的组网模式有()。___
A. FTTH
B. FTTB
C. FTTO
D. FTTC
【多选题】
星级评定基础积分正向累加,总分15分。评定内容可包括:装维作业人员的()、()、()及()等方面。___
A. 连续工龄
B. 学历
C. 资格证书
D. 技能认证
【多选题】
严格遵守()、()和(),遵守()。___
A. 国家法律
B. 法规
C. 行业各项规章制度
D. 公司各项业务规程
【多选题】
一般灭火器的使用步骤是()。___
A. 拔即拔掉插销
B. 瞄即迅速瞄准着火点
C. 压即按下压把
D. 扫即扫灭火焰部位
【多选题】
以下关于对用户投诉网速慢的网站进行路由跟踪测试正确的是:___
A. 通过开始菜单的运行栏,输入cmd,打开命令提示符
B. 输入tracert,进行路由路径跟踪,做好记录
C. 根据路径做简单分析,查询出口IP
D. 记录、分析测试结果
【多选题】
以下关于解决某FTTH用户宽带拨号上网出现678错误说法正确的是:___
A. 现场检查ONT各指示灯是否正常,ONT与电脑之间的连接网线是否正常,是否存在有松动与接触不良的现象,可以先排除是线路造成的故障
B. 检查电脑网卡,驱动正常不显示有黄色叹号
C. 检查网卡的运行情况,使用另外一台PC与用户PC直连,手动配置为同一网段IP地址,互ping是否正常,确认是否为用户网卡原因
D. 打开机箱仔细查看网卡与主板的接口是否有接触不良或未插紧的情
【多选题】
以下属于互联互通故障处理需上报的要素是:___
A. 客户信息(账号、联系电话)
B. 源IP地址和目标IP地址
C. 故障现象截图
D. 路由跟踪截图
【多选题】
以下选项中()属于电话服务的注意事项。___
A. 代听电话,一定要主动地询问服务对象是否需要留言
B. 服务对象若多次不接听电话,也要保持心态平衡,改时再次拔打
C. 与服务对象通话的声音不要过大
D. 拔打预约电话时,应详细记录服务对象情况并与其确认预约时间、地点及相关的上门服务事项
【多选题】
用户上报电视卡顿时,以下处理方法正确的是:___
A. 先检查客户家里的网络布局,是否为网线连接电视机顶盒
B. 网络是否正常
C. 设备是否正常
D. 如果是故障应及时更换,网络原因需要及时上报给网络部门,并给客户做好工作。
【多选题】
由于用户电脑的()设置不合理,将会导致用户拨号成功后不能打开网页。___
A. 显示器分辨率
B. microsoft的TCP/IP协议配置
C. 磁盘分区
D. 浏览器限制某些internet站点的访问
【多选题】
员工的安全承诺包括()。___
A. 安全考试不合格不上岗
B. 不签安全承诺书不上岗
C. 无工单不作业
D. 着装不标准不作业
【多选题】
在故障描述中提供系统采集到的完整告警信息,包括()。___
A. 故障发生时间
B. 网元名称
C. 位置信息
D. 告警信息
【多选题】
在处理投诉过程中,如需更换皮线光缆,应严格注意避免光纤被()。___
【多选题】
在带电的()中操作时,不得佩戴金属饰物。___
A. 设备
B. 机柜
C. 分支柜
D. 以上都不对
【多选题】
在供电线路附近架空作业时,作业人员必须佩戴()防护用品。___
A. 戴安全帽和绝缘手套
B. 穿绝缘鞋
C. 使用安全带
D. 使用绝缘工具
【多选题】
在供电线路附近作业时,作业人员必须佩戴的防护用品有()。___
A. 安全帽
B. 绝缘手套
C. 绝缘鞋
D. 绝缘工具
【多选题】
在光纤通信技术中,进行光纤线路连通性测量,光源是不可缺少的信号源,下列能产生光源的仪表有()。___
A. 稳定光源
B. 笔式红光源(红光笔)
C. ODTR
D. 光功率计
【多选题】
在一个广播域中,IP地址和MAC地址的对应关系正确的是()。___
A. 一个MAC地址可以对应多个IP地址
B. 一个IP地址可以对应多个MAC地址
C. 一个IP地址只能对应一个MAC地址
D. 一个MAC地址只能对应一个IP地址
【多选题】
在用户家安装完FTTH后,需要进行的测试项目有()?___
A. 光纤线路质量测试
B. 拨号测试
C. ping包测试
D. 下载带宽测试
【多选题】
直埋光缆通信线路的防雷措施有()___
A. 光缆的金属护层或铠装层不作接地,使之处于浮地状态
B. 光缆的金属护套(或铠装)、金属加强芯,在接头处两侧各自断开,不作电气连通
C. 在光缆上方敷设排流线。
D. 光缆的金属护层或铠装层每隔1000米作接地处理。
【多选题】
中移铁通的发展方向是成为中国移动发展的()___
【多选题】
中移铁通家客装维服务满意度提升指导意见中,加强新装投诉率指标的推行力度中的两率是指___
A. 30天新装投诉率
B. 20天新装投诉率
C. 15天新装投诉率
D. 5天新装投诉率
【多选题】
中移铁通家客装维服务满意度提升指导意见中,加强关键问题的整治是指哪两项?___
A. 新装投诉率
B. 严禁使用冷接工艺
C. 弱光整治
D. 现场施工规范性
【多选题】
作业时抛扔线缆主要有()方面的危害。___
A. 易伤行人
B. 易引起电力线短路
C. 易导致自身触电和自身跌落
D. 易增加维护难度和线路衰耗
【多选题】
FTTH接入用户,ONU安装基本要求有哪些?()___
A. 容易取电
B. 光功率正常
C. 环境较好、安全、方便、便于进出线
D. 用户名和密码正确
【简答题】
楼道多媒体箱及分纤箱内布线规范要求有:
【简答题】
请简述交换机的三大基本功能,并简单解释
【简答题】
某张装机工单竣工后,客服人员在回访用户过程中,用户不清楚装维人员是否穿工作服、带工作牌;没有要求装维人员清理垃圾;主动要求装维人员不用穿鞋套进屋;由于时间关系装机完成后用户就匆忙离开了。该装维人员的工作中存在哪些问题?
【简答题】
某装维人员在登电杆作业时直接往电杆上爬,标准的登杆流程是什么?
【简答题】
对于机动车辆,在雨雾天行驶时的安全技术有
推荐试题
【单选题】
Q4: What is the main idea of the passage?___
A. People should learn to manage their emotions .
B. People should be patient with their negative feelings .
C. People should learn to analyze causes of unhappiness .
D. People should identify as many positive feelings as possible .
【单选题】
Q1: What are the man and woman talking about?___
A. Whether nature is magical and kind .
B. Whether nature is powerful and full of risks .
C. Whether Christopher was well prepared for the trip .
D. Whether Christopher's trip to Alaska was worthwhile .
【单选题】
Q2: What can we learn about Christopher?___
A. He made a film about his trip to Alaska .
B. He wrote a story about his trip to Alaska .
C. He died while having an adventure in Alaska .
D. He learned how powerful and risky Alaska was .
【单选题】
Q3: What does the woman think about Christopher taking the trip to Alaska?___
A. He was too foolish .
B. He was really romantic .
C. He had a very kind heart .
D. He had a spirit for trying things .
【单选题】
Q4: Which of the following is NOT mentioned as something that would have saved Christopher’s life?___
A. A gun to hunt .
B. The map of the area .
C. Emergency food supplies .
D.
E. mergency communication equipment .
【单选题】
Q1: What speed can an avalanche reach within five seconds of taking off?___
A. At 8 miles an hour .
B. At 18 miles an hour .
C. At 80 miles an hour .
D. At 88 miles an hour .
【单选题】
Q2: According to the passage, under what circumstances may an avalanche occur?___
A. There are too many layers of snow on the .
B. There is a layer of snow covering an entire area .
C. The top layer of snow slides off the layer below it .
D. The layer of snow below the surface becomes unstable .
【单选题】
Q3: What are skiers advised to do to avoid being caught in an avalanche?___
A. Ski only in the official ski areas .
B. Look for solid snow to walk on .
C. Look out for each other while skiing .
D. Learn to control themselves in an avalanche .
【单选题】
Q4: Why does the ski patrol use explosives?___
A. To dig holes in the snow .
B. To close the area for skiing .
C. To make an avalanche move on purpose .
D. To' check how different layers are holding up .
【单选题】
Q1:What is conversation mainly about?___
A. The woman's happy college life the man's doubt .
B. The woman's spending habits and the man's concerns .
C. The man's reminding the woman of the exam this Thursday .
D. The man's support for the woman over the past 15 years .
【单选题】
Q2:What did the woman do last night?___
A. She bought a new leather coat .
B. She studied very hard for an exam .
C. She treated all her friends to dinner .
D. She went to a concert with her friends .
【单选题】
Q3:Where did the woman get the money?___
A. She just received her student loan .
B. She saved some money for herself .
C. She borrowed the money from her friends .
D. She asked her mom to send her the money .
【单选题】
Q4:What is the man?___
A. A teacher of biology .
B. An undergraduate student .
C. A freshman in biology class .
D. A graduate teaching assistant .
【单选题】
Q1: What is this passage mainly about?___
A. How businesses can compete with each other .
B. How small businesses operate during holidays .
C. How small businesses manage holiday workers .
D. How can earn more money during holidays .
【单选题】
Q2: According to Rubin, what can small companies do to thank holiday workers?___
A. Have talks with their families .
B. Give them good extra benefits .
C. Offer them expensive holiday tokens .
D. Show appreciation to them face to face .
【单选题】
Q3: What can small business owners do to help holiday workers get into the holiday spirit?___
A. Entertain them with big meals .
B. Let them enjoy some holiday games .
C. Give them handmade thank-you cards .
D. Send their families some holiday gift cards .
【单选题】
Q4: Who are supposed to benefit most from this passage?___
A. Workers who have to work during holidays .
B. Employees who intend to earn extra money .
C. Big companies that usually close on holidays .
D. Small businesses that try to be more competitive .
【单选题】
In the first two paragraphs of the passage the writer tries to tell us that___
A. he had lived in Washington D.C. for twenty years
B. he was very imaginative when he was a child
C. he had fond memories of his old neighborhood
D. )he had come from a very poor neighborhood
【单选题】
The writer ,as a child ,was very fond of playing in the basement because ___
A. it was bright and alive
B. it contained a movie house and a space station
C. it was ideal for playing hide-and-seek
D. it was surrounded by trees and flowers
【单选题】
How did the writer feel when he visited his old neighborhood in Washington D.C. ?___
A. Greatly surprised .
B. Very regretful .
C. Quite excited .
D. Very sad .
【单选题】
On his visit to his hometown ,the writer found the old apartment building___
A. see medunfit to live in
B. had been repaired
C. could hardly be recognized
D. looked dirty and smelt horrible
【单选题】
" Youcan never go home again "inthe last sentence of this passage means that___
A. one should never revisit his hometown after many years of absence
B. one will never find his hometown the same as it was in his childhood memory
C. avisit to one's hometown will bring back one's fond memories of home
D. avisit to one's hometown will bring back many sad memorie
【单选题】
We learn from the passage that Tracy died___
A. on December 8,1992
B. of brain damage
C. 24 hours after he fell off the roof of a car
D. in a car crash
【单选题】
Tracy's parents decided to donate Tracy's organs because___
A. Tracy told them to do so just before he died
B. they wanted to save others the pain of seeing a dear one die
C. David's life could continue in a meaningful way
D. they knew David was suffering from a hopeless liver disease
【单选题】
The meeting between the writer's family and Tracy's parents was arranged because___
A. the writer and her husband wished to express their thanks to Tracy's parents
B. the local organ bank wanted to see how both families felt about the donation
C. Tracy's parents wanted to see someone whose life had been saved by the donation
D. the two families were linked by the most bittersweet ties imaginable
【单选题】
The writer and her husband learned how Tracy died___
A. from his parents
B. from the organ bank
C. from the hospital
D. from the doctor who performed the operation
【单选题】
The meeting between the two families helped to ease the Marshes'suffering because___
A. they saw that David looked very much like their son
B. they saw that David had regained health with Tracy's liver
C. they now had someone to share their memories of Tracy
D. they now knew for sure they had done the right thing
【单选题】
The writer's first marriage was unsuccessful because___
A. her husband often woke her up at midnight
B. her husband kept criticizing her
C. she was so unattractive
D. she had a self-esteem problem
【单选题】
When the writer asked for a divorce ,her husband___
A. told her that she would never find one who loved her as he did
B. delayed two years before giving her a reply
C. accused her of having an affair
D. said that she was unattractive and not worth loving
【单选题】
When the writer first met Clint ,she felt that___
A. she should have listened to her friend and met Clint earlier
B. Clint was a nice ,dazzling young man
C. Clint could not be really interested in her
D. she would find true love in Clint
【单选题】
The writer was particularly touched by Clint because___
A. he loved her children and asked for their approval of the marriage
B. he said that he could not imagine a life without her and the children
C. he believed that at 2 and 4 ,the two children were the "menof the house "
D. hekept her company and talked with her until the next morning
【单选题】
The writer's marriage to Clint is important to her mainly because___
A. it gave her and her sons a second chance to live a happy life
B. every day Clint would tell the writer that he loved her
C. it helped her to regain her self respect
D. it made her children happy ,which is all she cared about in life
【单选题】
What was Goodall's childhood dream ?___
A. She dreamed of going to college .
B. She dreamed of studying animals in Africa .
C. She dreamed of becoming a scientist .
D. She dreamed of traveling all around the world .
【单选题】
What did Goodall's mother think of her dream ?___
A. As a girl she should not go to the African jungle .
B. Her dream would remain a dream unless she got the right training .
C. As a girl she should stay away from violent animals .
D. She could make her dream come true if she was determined .
【单选题】
Goodall's most important discovery was that___
A. some animals use tools
B. like humans animals have emotions
C. chimpanzees could attack each other violently
D. termites are chimpanzees'favorite food
【单选题】
Goodall's success is chiefly due to her___
A. exceptional talents
B. scientific training
C. determination and patience
D. enthusiasm and good luck
【单选题】
What is Goodall doing now ?___
A. Studying animal behavior at Cambridge University .
B. Raising funds for the preservation of wildlife .
C. Observing chimpanzees in African jungles .
D. Working hard supervising postgraduate students.
【单选题】
___是我们理解当前所处历史方位的关键词。
A. 新时期
B. 新时代
C. 重要战略机遇期
D. 关键期
【单选题】
中国特色社会主义进入新时代,意味着科学社会主义在21世纪的中国焕发出强大生机活力,在世界上高高举起了___伟大旗帜。
A. 小康社会
B. 社会主义现代化强国
C. 和谐社会
D. 中国特色社会主义
【单选题】
“思想道德修养与法律基础”,是一门融思想性、政治性、科学性、理论性、实践性于一体的___课。
A. 专业基础
B. 通识教育
C. 思想政治理论
D. 专业选修