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【单选题】
以下哪个参数用于LTE切换控制( )。
A. eventA3Offset
B. sNonintraSearch
C. sIntraSearch
D. ThreshXLow
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答案
A
解析
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相关试题
【单选题】
初始附着时eNB收到UE发送的RRC Connection Request消息会建立( )
A. SRB2
B. SRB1
C. SRB0
D. DRB
【单选题】
VoLTE中承载视屏的是( )
A. QCI=5
B. QCI=2
C. QCI=8
D. QCI=9
E. QCI=1
【单选题】
下面哪些不是UE可执行的测量类型?( )
A. 与UTRA的系统间测量
B. 异频测量
C. 同频测量
D. 质差测量
【单选题】
LTE室内分布系统中用的最多的天线类型是:( )。
A. 智能天线
B. 壁挂天线
C. 全向吸顶天线
D. 栅格天线
【单选题】
对EPC中“永远在线”理解错误的是( )。
A. UE到UE或到服务器的端到端连接中的每一段连接或承载都随时存在
B. 任何时候发起到UE 的连接时,都可以依赖这些路由信息,随时找到UE建立连接
C. 网络中保存有UE的有效路由信息
D. 当长时间没有数据发送时,虽然空中接口的连接因节省资源而释放, 但核心网中的连接仍然存在
【单选题】
eNodeB处理S1接口控制面的协议是:( )。
A. S1AP/SCTP
B. SCTP/IP
C. RRC
D. GTPU/UDP
【单选题】
关于单站点验证测试的路线选择,下列说法错误的是( )
A. 测试路线尽量考虑当地的行车习惯,减少过红绿灯时的等待时间
B. 尽可能跑全待测基站周围所有主要街道
C. 测试路线尽量经过所有待测主服务小区的覆盖区域
D. 不需要考虑太多,直接开车进行测试即可
【单选题】
LTE载波聚合中的CIF具有( )比特。
A. 3
B. 2
C. 1
D. 4
【单选题】
LTE系统小区间干扰抑制技术主要有3种解决方式,不包括 ( )。
A. 小区间干扰随机化
B. 频分复用
C. 干扰协调与避免
D. 小区间干扰删除
【单选题】
NAS信令是指UE和( )之间的交互信令。
A. PGW
B. SGW
C. MME
D. ENodeB
【单选题】
在 ESRVCC 切换中,如果手机上报了二进制 NCC=111 BCC=001 ,那么在网管上需要配置该小区 2G 邻区的 BSIC 十进制为( )
A. 57
B. 55
C. 50
D. 60
【单选题】
S3和S4接口是基于什么协议实现的?( )
A. GTPv2
B. Radius
C. Diameter
D. GTPv1
【单选题】
室内建筑损耗是墙壁结构(钢.玻璃.砖等).楼层高度.建筑物相对于基站的走向.窗户区所占的百分比等的函数。以下说法不正确的是( )
A. 街道墙壁有铝的支架比没有铝的支架产生更小的衰减
B. 只在天花板加隔离的建筑物比天花板和内部墙壁都加隔离的建筑物产生的衰减小
C. 有窗户区域的损耗一般小于没有窗户区域的损耗
D. 建筑物内开阔地的损耗小于有走廊的墙壁区域的损耗
E. 位于市区的建筑平均穿透损耗大于郊区和偏远区
【单选题】
弱覆盖的应对措施有哪些?( )
A. 以上都是
B. 调整天线方位角和下倾角
C. 增加天线挂高,更换高增益天线
D. 增强参考信号功率
【单选题】
NFV: Network Function Virtualization, 名为:网络功能( )。
A. 资源化
B. 自动化
C. 承载化
D. 虚拟化
【单选题】
假定小区输出总功率为30W,在2天线时,单天线功率是( )
A. 46dBm
B. 42dBm
C. 44dBm
D. 40dBm
【单选题】
根据自由空间的传播损耗模型,当距离增加一倍时,传播损耗增大( )。
A. 6DB
B. 4 DB
C. 5DB
D. 3 DB
【单选题】
下面对室内分布系统中用到的泄露电缆描述最准确的是:( )。
A. 电缆既不可以传输信号,又不可以收发信号
B. 电缆可以收发信号
C. 电缆既可以传输信号,又可以收发信号
D. 电缆可以传输信号
【单选题】
IPv6 中哪一个协议的功能与 IPv4 中的 ARP 类似? ( )
A. 没有
B. Duplicate Address Detection
C. Neighbour Discover
D. Neighbor Unreachability Detection
【单选题】
关于承载建立的描述错误的是:( )。
A. 专有承载一定是GBR承载
B. 专有承载建立类似于二次PDP激活
C. 默认承载一定是Non-GBR承载
D. 默认承载建立类似于一次PDP激活
【单选题】
当终端测得的服务小区的信号质量低于( )门限值时,开始进行同频邻小区的测量和重选过程。
A. ThreshServingLow
B. s-Measure
C. s-NonIntraSearch
D. s-IntraSearch
【单选题】
链路预算中上行干扰余量主要是考虑( )的影响。
A. 小区间干扰
B. 环境噪声
C. 小区内干扰
D. 热噪声
【单选题】
用户层面,VoIP业务不能同时采用半静态调度和上行( )
A. SPS
B. TTI Bundling
C. Semi-Persistent Scheduling
【单选题】
切换包括三个阶段没有( )。
A. 切换等待
B. 切换决策
C. 切换执行
D. 切换测量
【单选题】
机械下倾的有一个缺陷是天线后瓣会( ),对相临扇区造成干扰,引起近区高层用户手机掉话。
A. 保持不变
B. 下顷
C. 变大
D. 上翘
【单选题】
下述关于2*2MIMO说法正确的是:( )。
A. 2发是指UE端,2收是指eNodeB端
B. 2发是指eNodeB端,2收是指UE端
C. 2发是指UE端,2收也是指UE端
D. 2发是指eNodeB端,2收也是指eNodeB端
【单选题】
如下哪个频段只能用于TDD LTE室分覆盖?( )。
A. 2010-2025MHz
B. 2570-2620
C. 2330-2370MHz
D. 1880-1900MHz
【单选题】
TTI Bundling针对的是( )覆盖受限的情景
A. 以上都不对
B. 下行
C. 上下行
D. 上行
【单选题】
LTE下,EPC主要由MME和( ),ServingGW,HSS组成。
A. PDN GW
B. SGSN
C. GGSN
D. AAA
【单选题】
哪些不属于切换控制方式?( )
A. 网络辅助切换
B. 终端控制切换
C. 功率控制切换
D. 网络控制切换
【单选题】
以下哪个指标可以看出终端实际使用的是单流还是双流( )
A. PMI
B. RI
C. SINR
D. RSRP
【单选题】
( )消息可被用来进行媒体流和码流信息的更新。
A. UPDATE
B. 100Trying
C. 183response
D. INVITE Request
【单选题】
从计费上来理解VOLTE语音,是当QCI=( )的承载建立成功,则标识计费的开始?
A. 9
B. 5
C. 8
D. 1
【单选题】
通话期(Talk spurt)状态.每( )传送一次数据。
A. 40ms
B. 160ms
C. 20ms
D. 30ms
E. 10ms
【单选题】
( )为全球唯一临时标识。
A. GUTI
B. TMSI
C. IMSI
D. MMEGI
【单选题】
( )情况能触发TA Updating。
A. 以上都可以
B. TA周期更新计时器超时
C. UE的NAS产生了RRC连接错误
D. 进入新的TA,且当前TA不在TA list
【单选题】
在扫频仪的MIM0测试中,测量参数CN是的意思是:( )。
A. 信道相关性
B. 呼叫网络
C. 捕获节点
D. 载波数量
【单选题】
LTE中共有几种SIB?( )
A. 12
B. 10
C. 11
D. 9
【单选题】
哪些不是RF优化目的?( )
A. 提高切换成功率
B. 控制导频污染
C. 保证参数配置正确
D. 优化信号覆盖
【单选题】
当系统消息改变后,网络以何种方式通知UE?( )
A. 寻呼
B. 小区重选
C. 小区切换
D. 小区更新
推荐试题
【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
【单选题】
党的十九大提出到本世纪中叶,要把我国建设成富强、民主、文明、和谐、___的社会主义现代化强国。
A. 复兴
B. 和谐
C. 幸福
D. 美丽
【单选题】
思想道德和___都是调节人们思想行为、协调人际关系、维护社会秩序的重要手段。
A. 法律
B. 宗教
C. 风俗
D. 文化
【单选题】
中国特色社会主义思想道德建设和___紧密联系、相互促进,为中国特色社会主义事业提供坚实的思想基础、精神支撑和法治保障。
A. 中国特色社会主义文化建设
B. 中国特色社会主义经济建设
C. 中国特色社会主义政治建设
D. 中国特色社会主义法治建设
【单选题】
___是中国最早的现代大学。
A. 清华大学
B. 北京大学
C. 复旦大学
D. 浙江大学
【单选题】
《礼记·中庸》认为,道德修养应“莫见乎隐,莫显乎微,故君子慎其独也”。这种“慎独”的道德修养方法要求我们在学习“思想道德修养与法律基础”课时要注重___。
A. 学习科学理论
B. 理论联系实际
C. 知行统一
D. 多思考深理解
【单选题】
“业精于勤,荒于嬉;行成于思,毁于随”,这句话说明了学习必须做到___
A. 勤奋
B. 严谨
C. 求实
D. 创新
【单选题】
大学生活的中心内容应是___
A. 社会活动
B. 培养动手能力  
C. 恋爱
D. 学习
【单选题】
创新学习的基础是___
A. 实事求是  
B. 解放思想
C. 求真务实
D. 善于思考
【单选题】
“知之为知之,不知为不知,是知也。”这句话告诉我们,在学习上一定要培养___的优良学风。
A. 求实
B. 一丝不苟
C. 勤奋
D. 敢为人先
【单选题】
以下关于思想道德和法律的关系表述错误的是___。
A. 思想道德为法律提供制度保障。
B. 思想道德为法律提供思想指引和价值基础
C. 思想道德和法律都是调节人们思想行为、协调人际关系、维护社会秩序的重要手段。
D. 坚持和发展中国特色社会主义,既要发挥思想道德的引领和教化作用,又要发挥法律的规范和强制作用。
【单选题】
___是人们的思想观念、政治立场、价值取向、道德情操和行为习惯等方面品质和能力的综合体现,反映着一个人的思想境界和道德风貌。
A. 思想政治素质
B. 道德素质
C. 思想道德素质
D. 法治素质
【单选题】
“人的本质不是单个人所固有的抽象物,在其现实性上,它是一切社会关系的总和。”这句话说明___
A. 自然属性是人的本质属性
B. 社会属性是人的本质属性
C. 自然属性和社会属性都是人的本质属性
D. 自然属性和社会属性都不是人的本质属性
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