【多选题】
广域网接口多种多样,下列对于广域网接口的描述正确的是_________
A. V.24规程接口可以工作在同异步两种方式下,在异步方式下,链路层使用PPP封装。
B. V.35规程接口可以工作在同异步两种方式下,在异步方式下,链路层使用PPP封装
C. BRI/PRI接口用于 ISDN 接入,默认的链路封装是 PPP
D. G.703 接口提供高速数据同步通信服务
E.
F.
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国际上负责分配IP 地址的专业组织划分了几个网段作为私有网段,可以供人们在私有网络上自由分配使用,以下属于私有地址的网段是( )___
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呼出提示“您所拔打的号码不存在”或“您拨打的号码是空号”的原因___
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【多选题】
互联网接入的方式有哪几种___
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互联网宽带接入业务的客户端常见设备包括( )___
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互联网用户上网慢,ping丢包的原因有哪些( )___
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互联网专线常用接入手段主要包括等,对于大颗粒业务可采用WDM/OTN技术.___
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【多选题】
互联网专线验收时,需要测试的项目包括以下哪些项?___
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C. 丢包率
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华为NE80E不支持哪几种VLAN划分方式( )___
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环网的优点有( )。___
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【多选题】
集客现场网络服务支撑人员应具备的素质()___
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B. 具备良好的职业道德,诚实守信
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集团客户网络服务等级协议规定AAA级业务业务发生故障,下列选择中那些是对的( )___
A. 对于AAA级业务发生故障,如涉及多个部门、多个地市公司,则无需进行预判断即可分派给所有相关部门同时处理
B. 工单接收部门应在30分钟内接收工单
C. 维护部门应及时向本部门相关领导上报
D. 故障处理完成后30分钟内向客户口头反馈故障原因和处理结果
E.
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【多选题】
集团客户网络类故障对业务的影响程度分为( )两个级别。___
A. 业务告警
B. 业务中断
C. 业务瞬断
D. 业务劣化
E.
F.
【多选题】
集团客户专线接入时设备选折( )什么样的产品___
A. 安全性好
B. 可靠性好
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【多选题】
计算机网络的常见拓扑结构有( )___
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计算机网络上三种基本的数据包传播方式是( )___
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B. 单播
C. 任播
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【多选题】
家宽验收测试数量按实际小区规模确定( )___
A. 覆盖500户以下,抽检测试5%
B. 覆盖500户至1000户,抽检测试3%
C. 覆盖1500户,抽检测试2%
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【多选题】
家庭客户代维人员的维护工作内容包括哪些( )___
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【多选题】
检查客户端设备,在专线接入路由器、交换机的对应端口上检查端口状态,确认( ),是否存在错误包、丢包,查看日志是否存在异常,对客户端路由器比对双工、封装方式,检查IP地址等数据是否修改过。___
A. 端口数据状态
B. 端口物理状态
C. 三层协议状态
D. 二层协议状态
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F.
【多选题】
交流电路的性质一般分为( )___
A. 感性
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交流电压的测量可以选用的仪表有( )___
A. 万用表
B. 示波器
C. 交直流钳形表
D. 电力谐波分析仪
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【多选题】
交维时,需进行哪几项检查___
A. 工艺检查
B. 标签规范及完整性
C. 管线系统资料
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【多选题】
脚扣的使用应遵循的原则有( )___
A. 使用前必须仔细检查脚扣、脚扣带,确保完好
B. 使用时先把脚扣卡在电杆离地面约0.3m处,一脚悬起,一脚用力蹬踏,确保稳固后,方可使用
C. 上杆后脚扣需挂在电杆上,做到随时取用
D. 脚扣环的大小要根据电杆的粗细适时调整
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接维条件主要包括业务性能测试是否通过,传输管线,设备和客户集成设备的维护资料录入是否完成,是否纳入网管监控___
A. 业务性能测试是否通过
B. 传输管线,设备和客户端集成设备的维护资料录入
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解决路由环问题的方法有( )___
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C. 路由器重启
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井盖板的种类,目前通用的人手井盖板有( )___
A. 铸铁盖板
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静电的特点是( )___
A. 电压高
B. 静电感应突出
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【多选题】
局域网常用设备有哪些?___
A. 线缆(Cable),如光纤、双绞线、同轴电缆等
B. 集线器(Hub)
C. Modem/CSU/DSU
D. 路由器
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可代维的工作内容包括( )___
A. 告警、故障和投诉处理
B. 配合进行业务测试
C. 网络资料更新
D. 工程建设
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客户端可以ping通127.0.0.1及本机的IP地址,但无法ping通同一网段内其他工作正常的计算机的IP地址,说明()。___
A. TCP/IP协议能正常工作
B. 本机网卡能正常工作
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客户端巡检工作中应该检查的内容是( )___
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B. 设备运行情况
C. 设备和线路标签
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【多选题】
客户服务等级分为四个等级,分别为金牌服务、银牌服务、铜牌服务和标准服务。金牌级数量应不超过集团客户总数的()(不含省级集团客户);银牌级数量应不超过集团客户总数的();铜牌级客户应不超过集团客户总数的()。___
A. 0.05
B. 0.1
C. 0.15
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【多选题】
客户投诉已经开通了集团短信业务(如订制了某银行账户变动短信信息),但是经常无法接收到短信或者短信接收延迟很大。可能的原因是( )___
A. 客户所处无线环境影响
B. 客户终端安装手机防火墙等软件
C. 我方设置了黑名单
D. 我方不支持客户业务
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【多选题】
客户信息包括()___
A. 客户基本资料
B. 客户身份鉴权信息
C. 客户通信信息
D. 客户通信内容信息
E.
F.
【多选题】
跨省专线验收接维环节包括哪些工作环节?___
A. 初验接维
B. 试运行
C. 交付
D. 终验
E.
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【多选题】
馈线走线原则描述正确的是()___
A. 线缆尽量短
B. 走线方便
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D. 注意不要影响建筑物美观
E.
F.
【多选题】
林业视频专线客户侧设备包含( )___
A. ONU
B. 摄像机
C. 视频服务器
D. SDH
E.
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【多选题】
零-地电压产生的原因包括( ).___
A. 三相负载不平衡时的基波电流
B. 非线性负载产生的高次谐波电流
C. 零线线径过大
D. 差模干扰和共模干扰电流
E.
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【多选题】
路由器具有()等功能___
A. 网络的互联
B. 网络的隔离
C. 网络路由
D. 流量的控制
E.
F.
【多选题】
某地发生洪水导致网络通信中断时,代维公司应配合移动公司进行( )和( )工作,服从移动公司的统一调度.___
A. 抢险救灾
B. 应急保障
C. 服从指挥
D. 及时看护
E.
F.
推荐试题
【单选题】
The National Day of the United States falls on .
A. A. June 4th
B. B. July 4th
C. C. June 14th
D. D. July 14th
【单选题】
Of the following, is NOT among the three major radio and TV networks in America.
A. A. the National Broadcasting System (NBS)
B. B. the Public Broadcasting Service (PBS)
C. C. the Columbia Broadcasting System (CBS)
D. D. the American Broadcasting System (ABS)
【单选题】
is sold especially to the upper or upper-middle class and it has a reputation for its serious attitude and great bulk.
A. A. The Washington Post
B. B. The New York Times
C. C. Los Angeles Times
D. D. New York Daily News
【单选题】
Of the following universities, has NOT cultivated any American President yet.
A. A. Harvard University
B. B. Massachusetts Institute of Technology
C. C. Princeton University
D. D. Yale University
【单选题】
To get a bachelor’s degree, all undergraduate students are required to do the following except .
A. A. attending lectures and completing assignments
B. B. passing examinations
C. C. working for communities
D. D. earning a certain number of credits
【单选题】
Of the following, is NOT the responsibility of the board of trustees in U. S. institutions.
A. A. choosing the president
B. B. establishing policies for administrators and faculty
C. C. approving budget and other financial project
D. D. decide which student to enroll
【单选题】
Of the following, are NOT among the categories of American higher education.
A. A. universities and colleges
B. B. research institutions
C. C. technical institutions
D. D. community colleges
【单选题】
Higher education in the United States began with the founding of
A. A. Yale University
B. B. Harvard University
C. C. Princeton University
D. D. New York University
【单选题】
Of the following subjects, are NOT offered to elementary school students.
A. A. mathematics and languages
B. B. politics and business education
C. C. science and social studies
D. D. music and physical education
【单选题】
Formal education in the United States consists of , secondary and higher education.
A. A. kindergarten
B. B. public
C. C. elementary
D. D. private
【单选题】
At present, U. S. exports account for of the world’s total.
A. A. 10%
B. B. 15%
C. C. 20%
D. D. 25%
【单选题】
is not one of the three giants in American automobile industry.
A. A. Ford
B. B. General Motors
C. C. Chrysler
D. D. American Motors
【单选题】
The following statements are all true except .
A. A. Agribusinesses reflect the big, corporate nature of many farm enterprises.
B. B. Agribusinesses maintain a balanced trade pattern between agricultural imports and exports.
C. C. Agribusinesses range from one-family corporations to multinational firms.
D. D. Agribusinesses include a variety of farm businesses and structures.
【单选题】
About of American crops are for export.
A. A. half
B. B. one third
C. C. one fourth
D. D. one fifth
【单选题】
President Johnson tried to build a “Great Society” by introducing various programs like the following except .
A. A. Medicare
B. B. Food Stamps
C. C. Education Initiatives
D. D. Unemployment Pension
【单选题】
The following inventions took place during the “second indThe following inventions took place during the “second industrial revolution” except .
A. A. typewriter
B. B. telephone
C. C. electric light
D. D. refrigerator
【单选题】
The first National Bank of the United States was established with the urge of .
A. A. George Washington
B. B. Thomas Jefferson
C. C. Andrew Jackson
D. D. Alexander Hamilton
【单选题】
Chartered companies were NOT granted the by the British King or Queen.
A. A. political authority
B. B. economic rights
C. C. judicial authority
D. D. diplomatic authority
【单选题】
The modern American economy progressed from to , and eventually, to .
A. A. colonial economy, handcraft economy, industrial economy
B. B. farming economy, handcraft economy, industrial economy
C. C. colonial economy, farming economy, industrial economy
D. D. handcraft economy, farming economy, industrial economy
【单选题】
America produces a major portion of the world’s products in the following fields except .
A. A. machinery
B. B. automobiles
C. C. ore
D. D. chemicals
【单选题】
The President is directly voted into office by .
A. A. all citizens of America
B. B. the citizens over 18 years old
C. C. electors elected by the voters
D. D. the senators and representatives
【单选题】
The Supreme Court is composed of justices.
A. A. six
B. B. seven
C. C. eight
D. D. nine
【单选题】
The terms for a Senator and Representative are and years respectively.
A. A. two, four
B. B. two, three
C. C. two, six
D. D. six, two
【单选题】
According to the Constitution, a candidate for President must be .
A. A. at least 35 years old
B. B. at least a 14 years’ resident of the United States
C. C. born in America
D. D. all of the above
【单选题】
The following except are all powers of the President.
A. A. vetoing any bills passed by Congress
B. B. appointing federal judges when vacancies occur
C. C. making laws
D. D. issuing executive orders
【单选题】
All the following except cannot make legislative proposal.
A. A. the Senator
B. B. the Representative
C. C. the Secretary of State
D. D. the President
【单选题】
The following except are guaranteed in the Bill of Rights.
A. A. freedom of religion
B. B. the right to get into people’s house by police
C. C. freedom of speech and of press
D. D. the right to own one’s weapon if one wishes
【单选题】
The Bill of Rights .
A. A. defines the rights of Congress and the rights of the President
B. B. guarantees citizens of the United States specific individual rights and freedoms
C. C. is part of the Declaration of Independence
D. D. has no relationship with the Constitution
【单选题】
The Constitution of the United States .
A. A. gives the most power to Congress
B. B. gives the most power to the President
C. C. tries to give each branch enough power to balance the others
D. D. gives the most power to the Supreme Court
【单选题】
The U. S. Constitution came into effect in .
A. A. 1787
B. B. 1789
C. C. 1791
D. D. 1793
【单选题】
The Vietnam War was a long-time suffering for Americans, and it continued throughout the terms of Presidents .
A. A. Johnson, Nixon and Ford
B. B. Truman, Eisenhower and Kennedy
C. C. Kennedy, Johnson and Nixon
D. D. Eisenhower, Kennedy and Johnson
【单选题】
President applied New Deal to deal with the problems of the Great Depression.
A. A. Wilson
B. B. Truman
C. C. Roosevelt
D. D. Kennedy
【单选题】
The policy of the United States was at the beginning of the two world wars.
A. A. neutrality
B. B. full involvement
C. C. partial involvement
D. D. appeasement
【单选题】
Abraham Lincoln issued to grant freedom to all slaves.
A. A. Declaration of Independence
B. B. Constitution
C. C. Emancipation Proclamation
D. D. Bill of Rights
【单选题】
In May 1775, was held in Philadelphia and began to assume the functions of a national government.
A. A. the First Continental Congress
B. B. the Second Continental Congress
C. C. the Boston Tea Party
D. D. the Congress of Confederation
【单选题】
The first shots of the American dependence were fired in .
A. A. Concord
B. B. Lexington
C. C. Philadelphia
D. D. Boston
【单选题】
“No taxation without representation” was the rallying slogan of .
A. A. the settlers of Virginia
B. B. the people of Pennsylvania
C. C. the colonists in New England
D. D. the people of the 13 colonies
【单选题】
The Seven Years’ War occurred between the .
A. A. French and American Indians
B. B. French and Spaniards
C. C. French and British
D. D. British and American Indians
【单选题】
Pilgrim Fathers are a group of who came to America to avoid persecution in England.
A. A. Protestants
B. B. Puritans
C. C. Catholics
D. D. Christians
【单选题】
The first successful English colony in North America was founded at in .
A. A. Jamestown, Louisiana
B. B. Boston, Massachusetts
C. C. Jamestown, Virginia
D. D. Plymouth, Georgia