【单选题】
U2000管理PTN时,到网关网元的通信一般通过 网络 ___
A. 带内DCN
B. 带外DCN
C. ECC
D. 光纤
E.
F.
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B
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跨省接口专线重要客户业务投诉处理时限是___
A. 2
B. 4
C.
D. 8
E.
F.
【单选题】
快速以太网集线器按结构分为___
A. 总线型和星型
B. 共享型和交换型
C. 10M和100M网
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E.
F.
【单选题】
宽带放装,入户皮线光缆的使用环境是( )。___
A. FTTB
B. B.FTTC
C. C.FTTH
D. D.FTTO
E.
F.
【单选题】
配置主备网管的过程中,我们会配置plugin.ini文件,其中我们要将下面那个插件开关的StartMode修改为auto ( )___
A. ARMY_PLUGIN
B. CORBA_PLUGIN
C. REPLICATION_PLUGIN
D. OTNMAPI_PLUGIN
E.
F.
【单选题】
馈线光缆纤芯数量不得低于一级分光器上行端口的数量,且应留有( )的冗余___
A. 0.1
B. 0.2
C. 0.25
D. 0.3
E.
F.
【单选题】
劳动保护用品,以下说法错误的是( )___
A. 维护作业出发前要检查安全帽有无龟裂、严重磨损等现象,可以先戴,回来后更换
B. 进入作业现场要正确佩戴安全帽。安全帽缓冲垫应松紧适度,安全帽带子应系紧。
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【单选题】
①外环回 ②内环回 ③不环回 ④清除环回___
A. ① ③
B. B. ① ②
C. C. ② ①
D. D. ④ ②
E.
F.
【单选题】
链路聚合在哪一层上实现()___
A. 网络层
B. 物理层
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【单选题】
两台电脑直连的话,双绞线需按( )进行错线___
A. 1→3,2→6交换
B. 1→6,2→3交换
C. 1→4,2→5交换
D. 1→5,2→4交
E.
F.
【单选题】
两台路由器之间通过100baset方式连接的时候,使用( )___
A. 交叉网线
B. B、直通网线
C. C、rollover cable
D. D、以上都不是
E.
F.
【单选题】
两纤单向通道环和两纤双向复用段环分别采用的路由是()___
A. 均为一致路由
B. 均为分离路由
C. 一致路由,分离路由
D. 分离路由,一致路由
E.
F.
【单选题】
U2000管理PTN时,到网关网元的通信一般通过 网络( )___
A. 带内DCN
B. 带外DCN
C. ECC
D. 光纤
E.
F.
【单选题】
列哪个ONU设备属性是关联字段( )___
A. 归属分光器
B. 厂家名称
C. ONU名称
D. 覆盖范围
E.
F.
【单选题】
楼宇间飞线引上要( )固定,墙订间距50CM.___
A. 垂直
B. 水平
C. 平行
D.
E.
F.
【单选题】
普天IAD恢复出厂默认配置命令是___
A. 根目录:load default
B. system目录:load df1
C. 根目录:reset
D. 根目录:restore
E.
F.
【单选题】
路由器到ODF架互联尾纤头类型是( )。___
A. SC-LC
B. FC-LC
C. SC-SC
D. ST-SC
E.
F.
【单选题】
路由器的GE端口可配置( )测试。___
A. 本地环
B. 远端环
C. 本地及远端环
D. 不能做环
E.
F.
【单选题】
路由器端口的 IP 地址为202.100.73.18/22,则该端口的网络地址是( )___
A. 202.100.70.0
B. 202.100.73.0
C. 202.100.72.0
D. 202.100.128.0
E.
F.
【单选题】
落地式光交接箱体要横平竖直,安装必须牢固、安全、可靠,箱体的垂直偏差应≤( )mm___
A. 1
B. 3
C. 5
D. 8
E.
F.
【单选题】
每个法兰头引入的衰减约为( )___
A. A.1.5db
B. B.0.5db
C. C.1db
D. D.0db
E.
F.
【单选题】
每季度及重大节日前定期检查环境、物理设备检查、数据库检查、操作系统检查、防火墙安全策略、远程访问信息、系统性能检查等,是( )种类型的客户巡检要求.___
A. A类
B. B类
C. C类
D. D类
E.
F.
【单选题】
每一个C类地址有( )个IP地址能分配给主机使用.___
A. 32766
B. 256
C. 65532
D. 254
E.
F.
【单选题】
面对用户咨询时,维护人员应予以耐心的解答,对业务进行详细说明,并介绍技术方案样例,从( )出发,为客户提供初步的技术解决方案.___
A. 公司利润
B. 客户需求
C. 客户身份
D. 客户地址
E.
F.
【单选题】
U31网管上如何测试C300网元能否SNMP PING通( )___
A. 右键点击C300网元----系统配置管理常用工具----SNMP PING
B. 右键点击C300网元----常用工具----SNMP PING
C. 右键点击C300网元----EPON配置管理----SNMP PING
D. 右键点击C300网元----GPON配置管理----SNMP PING
E.
F.
【单选题】
某622设备割接部分2M业务(PD1),但发现新割接的业务不通,用2M误码仪测试也不能.通过网管查询,这些通道没有任何告警、性能事件;但查询时隙配置正常.即使将这些2M端口的输入、输出电缆都拔掉,该2M口也没有任何告警,则可以是:( ).___
A. PD1板故障
B. 业务配置已作,但配置错误
C. 没有配置相应2M业务
D. 交叉板故障
E.
F.
【单选题】
VLAN tag 在OSI 参考模型的哪一层实现?___
A. 物理层
B. 数据链路层
C. 网络层
D. 应用层
E.
F.
【单选题】
___
A. 拥有最小MAC地址的交换机
B. 拥有最大MAC地址的交换机
C. 端口优先级数值最高的交换机
D. 端口优先级数值最低的交换机
E.
F.
【单选题】
某PTN网络突然出现大量网元脱管,各网关PING得通,但丢包严重,可能原因为( )___
A. 网管配置的数据以太网交换机之间成环或交换机故障
B. 光缆故障
C. 温度故障
D. 停电
E.
F.
【单选题】
某宾馆反映部分电脑不能上网,经查发现一个MAC地址产生多个IP地址,是( )现象.___
A. 肯定为该宾馆电脑系统故障,拔出网线,重装系统即可
B. RP欺骗的典型现象,检查ARP表后,在客户交换机上SHUTDOWN端口后,找出中毒主机进行杀毒
C. 该网络中有安装虚拟机软件,虚拟出的IP地址,删除虚拟机软件后可恢复
D.
E.
F.
【单选题】
某端口的IP地址为172.16.7.131/26,则该IP地址所在网络的广播地址是___
A. 172.16.7.255
B. B、172.16.7.129
C. C、172.16.7.191
D. D、172.16.7.252
E.
F.
【单选题】
某公司局域网用户无法访问外部站点210.102.32.19,管理人员在Windows操作系统下可以使用()判断故障发生在公司网内还是公司网外。___
A. ping210.102.32.19
B. tracert210.102.32.19
C. netstat210.102.32.19
D. arp210.102.32.19
E.
F.
【单选题】
___
A. 255.255.255.0
B. 255.255.255.128
C. 255.255.255.192
D. 255.255.255.224
E.
F.
【单选题】
某公司申请到一个C类IP地址,需要分配给8个子公司,最好的子网掩码设应为( )___
A. 255.255.255.0
B. 255.255.255.128
C. 255.255.255.240
D. 255.255.255.224
E.
F.
【单选题】
某集团客户开通本地广域网专线,分别为A网点、B网点,中间通过移动SDH网络连接。A\B两个网点传输设备出2M线连接到普天以太协转上,现B网点客户告知到A网点广域专线不通,且A网点普天协转上有AIS告警,请问该告警产生的原因是什么。___
A. A网点传输设备离线
B. B网点传输设备离线
C. B用户内网问题
D. 其他
E.
F.
【单选题】
某集团客户开通本地广域网专线,分别为A网点、B网点,中间通过移动SDH网络连接。用户申告到Z网点广域专线不通,经查网管为Z端网元离线,请问A端节点会设备上会产生()告警。___
A. R_LOS
B. TU_AIS
C. R_LOF
D. TA_LOS
E.
F.
【单选题】
某酒店用品有限公司客户反映部分电脑不能上网,经查发现一个MAC地址产生多个IP地址,是什么现象?___
A. 肯定为该酒店电脑系统故障,拔出网线,重装系统即可
B. ARP欺骗的典型现象,检查ARP表后,在客户交换机上SHUTDOWN端口后,找出中毒主机进行杀毒
C. 该酒店网络中有安装虚拟机软件,虚拟出的IP地址,删除虚拟机软件后可恢复
D. 蠕虫病毒的典型现象,检查计算机注册表后,找出中毒主机进行杀毒
E.
F.
【单选题】
U31网管上严重告警、主要告警、次要告警、警告分别对应的是什么颜色 ( )___
A. 红色、橙色、黄色、蓝色
B. 红色、黄色、橙色、蓝色
C. 红色、蓝色、橙色、黄色
D. 蓝色、橙色、黄色、红色
E.
F.
【单选题】
迁改工程中更换光缆接头盒时单模光纤的平均接头损耗应小于( )___
A. 0.1dB/个
B. 0.08dB/个
C. 0.05dB/个
D. 0.01dB/个
E.
F.
【单选题】
某有限公司客户反映部分电脑不能上网,经查发现一个MAC地址产生多个IP地址,是什么现象?( )___
A. ARP欺骗的典型现象,检查ARP表后,在客户交换机上SHUTDOWN端口后,找出中毒主机进行杀毒
B. B、该酒店网络中有安装虚拟机软件,虚拟出的IP地址,删除虚拟机软件后可恢复
C. C、肯定为该酒店电脑系统故障,拔出网线,重装系统即可
D. D、蠕虫病毒的典型现象,检查计算机注册表后,找出中毒主机进行杀毒
E.
F.
【单选题】
某站出现HP-REI告警的原因可能是:( )___
A. 对端站接收到B3误
B. B. 本端站收到B1误码
C. C. 本端站收到B2误码
D.
E.
F.
推荐试题
【单选题】
From the passage we can infer that _______. ___
A. electronic mail will soon play a dominant role in transmitting messages
B. it will become more difficult for people to keep secrets in an information era
C. people will spend less time holding meetings or conferences
D. events will be reported on the spot mainly through satellites
【单选题】
Technology facilitates _______. ___
A. sharing information
B. storing and sending information
C. providing people with easy access to more information
D. all of the above
【单选题】
We can learn from the last paragraph that _______. ___
A. it is necessary to obtain as much
B. people should make the best use of the information
C. we should realize the importance of accumulating information
D. it is of vital importance to acquire needed information efficiently
【单选题】
The author thinks that people are _________. ___
A. satisfied with their appearance
B. concerned about appearance in old age
C. far from neglecting what is in fashion
D. reluctant to follow the trends in fashion
【单选题】
Fashion magazines and TV advertisements seem to link fashion to _________. ___
A. confidence in life
B. personal dress
C. individual hair style
D. personal future
【单选题】
Causes of fashions are _________. ___
A. uniform
B. varied
C. unknown
D. inexplicable
【单选题】
Present-day society is much freer and easier because it emphasizes _________. ___
A. uniformity
B. formality
C. informality
D. individuality
【单选题】
Which is the main idea of the last paragraph? ______________ ___
A. Care about appearance in formal situations.
B. Fashion in formal and informal situations.
C. Ignoring appearance in informal situations.
D. Ignoring appearance in all situations.
【单选题】
Permissive parents would ________. ___
A. let their children read any books they like to
B. not let their children see any films they like to
C. not let their children read any books without first checking their contents
D. let their children see the films with their first checking
【单选题】
The fact that parents check the contents of the book or the film for their children to read or see shows __________. ___
A. the necessity of censorship
B. that many books and films are bad
C. that children need their parents to help them understand more
D. that the parents are permissive
【单选题】
Which of the following statements is NOT true?____________ ___
A. Some adults can’t tell right from wrong.
B. Censorship is compared to the law because both of them perform good service to society as a whole.
C. Censors pay attention only to genuine works of art.
D. Censorship is necessary because many books, plays and films are far from being “works of art”.
【单选题】
What does the word “corrupt” in Para.4 mean?__________ ___
A. Make morally bad.
B. Hurt.
C. Injure.
D. Damage.
【单选题】
What would be the best title of this passage?_____________ ___
A. Permissive Parents and Responsible Parents.
B. Censorship and the Law.
C. Censors Value Artistic Merits .
D. Censorship Performs Good Service to Society.
【单选题】
Lie detectors are widely used in the United States because _____________. ___
A. they can help detect people’s emotional stress
B. they can help detect people's physiological changes
C. they can help find out whether a person is telling the truth or not
D. they can measure the subject’s electrical resistance
【单选题】
According to the passage, we know that Britain______________. ___
A. will adopt lie detectors widely
B. will adopt lie detectors on a smaller scale
C. adopt lie detectors
D. has not decided whether to adopt lie detectors or not
【单选题】
The tests themselves are by no means free from error..." (Line 1-2.Para.3) means ____________. ___
A. the tests definitely have no error
B. the tests sometimes make mistakes
C. the polygraphers do not make mistakes
D. the polygraphers can avoid error by using some techniques
【单选题】
Which of the following is true? ________________ ___
A. The tests are conducted by qualified polygraphers.
B. Innocent people may blush or stammer when questioned.
C. Guilty people can definitely be found out by answer questions
D. Guilty people may escape by refusing to answer questions.
【单选题】
What troubles lie detector researchers most is that _______________. ___
A. innocent people are convicted crimes
B. innocent people will learn to tell lies
C. lie detectors may cause industrial unrests
D. lie detectors are sometimes not dependable
【单选题】
In the passage the author's attitude towards "mixed-ability teaching" is _______. ___
A. critical
B. questioning
C. approving
D. objective
【单选题】
By "held back" (Line 1) the author means _____. ___
A. made to remain in the same classes
B. forced to study in the lower classes
C. drawn to their studies
D. prevented from advancing
【单选题】
The author argues that a teacher's chief concern should be the development of the student's _________. ___
A. personal qualities and social skills
B. total personality
C. learning ability and communicative skills
D. intellectual ability
【单选题】
Which of the following is NOT MENTIONED in the third paragraph? __________ ___
A. Group work gives pupils the opportunity to learn to work together with others.
B. Pupils also learn to develop their reasoning abilities.
C. Group work provides pupils with the opportunity to learn to be capable organizers.
D. Pupils also learn how to participate in teaching activities.
【单选题】
The author's purpose in writing this passage is to ______. ___
A. argue for teaching bright and not-so-bright pupils in the same class
B. recommend pair work and group work for classroom activities
C. offer advice on the proper use of the library
D. emphasize the importance of appropriate formal classroom teaching
【单选题】
According to the author, the deaths among youth are mainly caused by _____. ___
A. traffic accidents
B. smoking-related diseases
C. murder
D. all of these
【单选题】
Every day there are over_____high school students who will become regular smoker. ___
A. 75
B. 23
C. 30
D. 3000
【单选题】
By "dropout" the author means______. ___
A. students who failed the examination
B. students who left school
C. students who lost their way
D. students who were driven out of school
【单选题】
The reason for declining adolescent smoking is that ________. ___
A. NCI has taken effective measures
B. smoking is prevented among high school seniors
C. there are many smokers who have died of cancer
D. not stated
【单选题】
What is implied but not stated by the author is that ________. ___
A. smoking rates among youth have declined very little
B. there are now more female than male smokers among high school seniors
C. high smoking rates are due to the increase in wealth
D. smokers at high school are from low socio-economic backgrounds
【单选题】
According to the passage, which of the following is NOT a disadvantage of part time education? _______________ ___
A. It requires some break in one's career.
B. It tends to last too long for many people to complete a degree program.
C. It affects one's career.
D. It gives the student less time to share with the family.
【单选题】
Which of the following is NOT an advantage of distance learning? _________ ___
A. The student may choose his or her own pace.
B. The student may study at any time to his or her convenience.
C. They can pursue their chosen career while studying.
D. Their tutorial assistance comes through regular airmail, telephone, etc.
【单选题】
What benefit will distance learning program bring to a business? __________ ___
A. Recruitment of more talented people.
B. Good image of the business.
C. Better cooperation with universities.
D. Further training of employees and business growth.
【单选题】
Good distance learning program have the following characteristic EXCEPT______. ___
A. distance learning course is the same as students taking courses in campus
B. the degree should be same as on campus study
C. professor-student relationship is strictly one to one all through the course
D. includes subject evaluation tool
【单选题】
What benefit will distance learning bring to an employee of a business? ___________ ___
A. Professional growth.
B. Good relationship with the employer.
C. Good impression on the employer.
D. Higher salary.
【单选题】
In the first paragraph, what does "plastic money" (Line 6, Para.1) refer to? ______ ___
A. Dollars.
B. Online payment.
C. Credit cards.
D. Coins.
【单选题】
Which of the following is NOT true about credit cards? ____________ ___
A. Shopkeepers, among others, object to the use of credit cards because they add on the cost of the merchandise.
B. Credit card holders actually pay for their goods after the purchase has been completed.
C. The national company enjoys extensive growth because of the use of credit cards.
D. It has had the effect of increasing consumption.
【单选题】
What is the disadvantage of credit cards? _____________ ___
A. It may lead to the overgrowth of the national economy.
B. The delay in the payment of shopping goods may bring damage to shopkeepers' profits.
C. Some people may intentionally purchase goods that they cannot possibly afford.
D. Those who pay by cash at the purchase will have to pay for the cost added to the product as the interest charge of credit cards.
【单选题】
What is the main topic of the text? ________________ ___
A. Advantages and Disadvantages of Credit Cards.
B. Economic Growth Backed up by the Use of Credit Cards.
C. It can encourage great sums of consumption.
D. Credit Cards Make Life
E. asier.
【单选题】
The author's attitude towards credit card is.______________. ___
A. agreeable
B. neutral
C. humorous
D. oppositional
【单选题】
不含有割地内容的不平等条约是___。
A. 《南京条约》
B. 《北京条约》
C. 《马关条约》
D. 《辛丑条约》
【单选题】
在甲午战争后,严复翻译的《天演论》所宣传的重要思想是___。
A. “师夷长技以制夷”
B. “中学为体,西学为用”
C. “天下兴亡,匹夫有责”
D. “物竞天择,适者生存”