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【多选题】
《中国电信移动通信网络运行维护规程》规定维护生产操作职责包括数据维护与制作,数据制作与维护,软件版本验证及升级,网络运营分析,服务支撑,网络优化和( )
A. 重大活动网络保障
B. 工程随工及验收
C. 日常维护作业
D. 网络故障监控处理
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优化工作中最基本的工作是( )
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C. 起呼优化
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VoLTE,eSRVCC 方案性能摸底,包括( )
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B. 语音用户容量
C. 掉话 SINR 测试
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VOLTE中高清通话可采用的最高编码方式为( )
A. AMR23.05 kbit/s
B. AMR23.85kbit/s
C. AMR 24.28 kbit/s
D. AMR 37.85 kbit/s
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TM7的应用场景是:( )。
A. 单流Beamforming,主要针对小区边缘,能够有效对抗干扰
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现网中LTE终端需要报告以( )测量量,进行小区选择。
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以下属于5G网元AMF的功能是( )。
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VoLTE的信令和媒体经( )路由至( )网络,由( )提供会话控制和业务逻辑???
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EN-DC中,MCG进行NR邻区测量使用的参考信号有( )。
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5G网络关键技术Massive MIMO的优势包括( )。
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下列(? )过程是RRC连接重建立过程中可能包含的信令流程。
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专为运营商设计的面向物联网应用的,低功耗,低成本,广覆盖的窄带蜂窝通信技术是( )。
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【多选题】
IPv6相对于IPv4的改进说法正确的是 ( )?
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UE接入LTE网络时,( )消息将分配的GUTI传递给用户。
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在LTE的QoS属性中,QCI中包括哪些参数?( )
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VoLTE的英文全称是什么?
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IPv6的地址配置方法不包括 :( )
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推荐试题
【单选题】
According to the passage, whether TV is good or not depends on ___________.___
A. its quality        
B. people's attitude towards it
C. how we use it      
D. when we use it
【单选题】
What regulation was issued by New York State concerning beverage containers?___
A. A fee should be charged on used containers for recycling.
B. Throwaways should be collected by the state for recycling.
C. Consumers had to pay for beverage containers and could get their money back on returning them.
D. Beverage companies should be responsible for collecting and reusing discarded plastic soda bottles.
【单选题】
The returned plastic bottles in New York used to _____________.___
A. be turned into raw materials
B. be separated from other rubbish
C. have a second-life value   
D. end up somewhere underground
【单选题】
The key problem in dealing with returned plastic beverage containers is ______________.___
A. how to reduce their recycling costs
B. to sell them at a profitable price
C. how to turn them into useful things
D. to lower the prices for used materials
【单选题】
Recycling has become the first choice for the disposal of rubbish because ______________.___
A. recycling causes little pollution
B. other methods are more expensive
C. recycling has great appeal for the jobless
D. local governments find it easy to manage
【单选题】
It can be concluded from the passage that ____________.___
A. recycling is to be recommended both economically and environmentally
B. local governments in the U.S. can expect big profits from recycling
C. rubbish is a potential remedy for the shortage of raw materials
D. landfills will still be widely used for waste disposal
【单选题】
The author chose to study engineering at a small liberal-arts university because he ________.___
A. intended to be a sensible student with noble ideals
B. wanted to be an example of practicality and rationality
C. intended to be a combination of engineer and humanist
D. wanted to coordinate engineering with liberal-arts courses in college
【单选题】
 According to the author, by interacting with people who study liberal arts, engineering students can __________.___
A. broaden their horizons
B. receive guidance in their careers
C. become noble idealists
D. balance engineering and the liberal arts
【单选题】
In the eyes of the author, a successful engineering student is expected ______________.___
A. to be imaginative with a value system to guide him
B. to be a technical genius with a wide vision
C. to have an excellent academic record
D. to be wise and mature
【单选题】
The author's experience shows that he was ________.___
A. creative        
B. ambitious  
C. irrational        
D. unrealistic
【单选题】
 The underlined word "they" in "... together they threaten to confuse." (Para.5) refers to ____________.___
A. practicality and rationality  
B. engineering and the liberal arts
C. reality and noble ideals  
D. flexibility and a value system
【单选题】
It can be learned from the passage that the Ouchidas' house __________.___
A. failed to meet energy conservation standards
B. was designed and constructed in a scientific way
C. is well worth the money spent on its construction
D. is almost faultless from the point of energy conservation
【单选题】
What made the Ouchidas' new house a horrible dream?___
A. Lack of fresh air.          
B. Gas leakage in the kitchen.
C. The newly painted walls.  
D. Poor quality of building materials.
【单选题】
The underlined word "accentuate" (Para. 3) most probably means "________".___
A. worsen        
B. accelerate  
C. relieve          
D. improve
【单选题】
Why were cracks in old houses not a big concern?___
A. Because environmental protection was given top priority.
B. Because indoor cleanness was not emphasized.
C. Because they were technically unavoidable.
D. Because energy used to be inexpensive.
【单选题】
This passage is most probably taken from an article entitled "_________".___
A. Energy Conservation
B. Air Pollution Indoors
C. House Building Crisis
D. Traps in Building Construction
【单选题】
We need to plan ahead in order to ___________.___
A. keep a record of all the events    
B. better organize our activities
C. store everything in our head      
D. pile up little tasks neatly
【单选题】
Strategic times are best for us to ___________.___
A. save energy      
B. check e-mails            
C. study efficiently            
D. organize activities
【单选题】
Which of the following could be used as a motivation to do our assignments?___
A. Remembering our urgent tasks.      
B. Any activities we're eager to do.
C. Taking a break in the afternoon.  
D. The promise to study efficiently.
【单选题】
What can help us to keep refreshed throughout the day?___
A. Doing some physical exercise.        
B. Taking a short nap in the afternoon.
C. Rushing through some assignments.  
D. Playing a game of chess with a friend.
【单选题】
Which of the following could be the best title for this article?___
A. Study Habits and Time Management  
B. Business Management and Leadership
C. University Education and Campus Life      
D. Life Goals and Academic Development
【单选题】
It is implied in the text that it is hard to ________.___
A. carry life learning though  
B. tell the nature of life learning
C. learn without going to school
D. find a specially trained teacher
【单选题】
According to the author, the schooling framework often ________.___
A. produces slow students with poor memories
B. ignores some parts of the official curriculum
C. fails to provide enough knowledge about life
D. gives little care to the quality of teaching materials
【单选题】
Life learners recognize that learning will not be difficult if they are _________.___
A. clear about why to learn
B. careful to make a time table  
C. able to respect other people
D. cautious about any mistakes
【单选题】
According to the author, life learning ________.___
A. could prevent one from running risks
B. could be a road full of trials and errors
C. makes a kid independent of his parents
D. teaches a kid how to avoid being scorned
【单选题】
Through life learning, children ________.___
A. will grow without the assistance from parents
B. will learn to communicate with the real world
C. will be driven to learn necessary life knowledge
D. will be isolated from the negative side of society
【单选题】
A good title for this passage is __________.___
A. Sleep                 
B. Good Health    
C. Dreams             
D. Work and Rest
【单选题】
The word drowsy in the last paragraph means __________.___
A. sick                   
B. stand up       
C. asleep               
D. a little sleepy
【单选题】
This passage suggests that not getting enough sleep might make you ___________.___
A. dream more often     
B. have poor health   
C. nervous                 
D. breathe quickly
【单选题】
During REM,  ___________ .___
A. your eyes move quickly    
B. you dream  
C. you are restless   
D. both A and B
【单选题】
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A. approximately six hours    
B. around ten hours    
C. about eight hours      
D. not stated here  
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