【单选题】
网管与网关网元通信采用的是什么协议___，网元之间通信采用（）协议
A. ECC，ECC
B. TCP/IP，FTP
C. TCP/IP，ECC
D. TCP/IP，TCP/IP
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相关试题
【单选题】
在U2000网管系统上数据进行备份，默认的路径___
A. d:\oss\server\var\backup
B. d:\oss\clinet\var\backup
C. d:\oss\serber\var\recoad
D. d:\oss\client\var\recoad
【单选题】
关于路由收敛，以下说法正确的是___
A. 收敛是由于网络变化而引起的变化过程
B. 收敛是发送路由呼叫(hello)报文的过程
C. 收敛是两个路由器将它们的路由表合并成一个的过程
D. 收敛是网络中所有路由表的同步过程，或简单地可以定义为一个路由器对网络变化采取相应措施达到稳定状态的过程
【单选题】
什么是静态路由___
A. 静态路由是手工添加到路由表中的，而不是由路由协议动态更新的updated by a routing protocol
B. 当网络变化时，静态路由总是要重新计算
C. 静态路由是通过别的路由协议学习到后引入得到的
D. 静态路由就是路由器在出厂前就设置好的路由
【单选题】
当今世界上最流行的TCP/IP协议的层次并不是按OSI参考模型来划分的，相对应于OSI 的七层网络模型，没有定义___
A. 物理层与链路层
B. 链路层与网络层
C. 网络层与传输层
D. 会话层与表示层
【单选题】
VLAN的划分不包括以下哪种方法？ 正确的选项是___
A. 基于端口
B. 基于MAC地址
C. 基于协议
D. 基于物理位置
【单选题】
一个VLAN可以看做是一个___
A. 冲突域
B. 广播域
C. 管理域
D. 自治域
【单选题】
数据报文通过查找路由表获知___
A. 整个报文传输的路径
B. 下一跳地址
C. 网络拓扑结构
D. 以上说法均不对
【单选题】
综合虚拟网通过语音专线将固定电话用户加入移动VPMN网，实现集团内的固定电话和移动电话之间的___
A. VPMN
B. 短号互通
C. 电话
D. 信号
【单选题】
可以同时实现语音和数据传输的设备有___
A. PBX
B. ONU
C. AP
D. OLT
【单选题】
IAD支持的语音编解码有___
A. G.711
B. G.721
C. G.723
D. G.713
【单选题】
语音专线开通测试中，端到端呼叫接通率应___
A. ≥80%
B. ≥90%
C. ≥95%
D. ≥99%
【单选题】
GPON系统中OLT通过（ ）管理维护通道对ONT终端设备进行配置和维护。___
A. OMCI
B. OAM
C. TR069
D. SNMP
【单选题】
OLT在___这个字段来给每个ONU分配上行时隙，那么所有的ONU就可以按照一定的秩序发送自己的数据了，不会产生为了争夺时隙而冲突。
A. upstream bandwidth map
B. downstream bandwidth map
C. DBRu
D. GTC
【单选题】
OTN技术中的全功能OTM光传输模块OTM-n.m，其中n表示___，m表示（ ）。
A. 复用的通道数，支持的速率
B. 支持的速率，复用的通道数
C. 传输距离，支持的速率
D. 支持的速率，传输距离
【单选题】
ASON是在光传送网中引入___，以实现网络资源的按需分配从而实现光网络的智能化。
A. 传送平面
B. 信令平面
C. 控制平面
D. 管理平面
【单选题】
下一代XGPON网络中的下行波长采用？___
A. 1310
B. 1270
C. 1490
D. 1577
【单选题】
在波分系统中，经过一段距离的传输后，收端信号的光信噪比都会有一定程度的降低，最主要的原因是___
A. 没有使用新型光纤
B. 分波合波器的使用
C. EDFA的使用
D. 光线纤衰减太大
【单选题】
OTN（光传送网，Optical Transport Network），是以___为基础、在光层组织网络的传送网，是下一代的骨干传送网。
A. 波分复用
B. 时分复用
C. 频分复用
D. 以上都不对
【单选题】
承载TDM业务的PWE3帧格式中，RTP字段的作用是___
A. 用于时钟同步
B. 指示PWE3帧长度
C. 代表封装的E1帧数量
D. 用于保护倒换
【单选题】
中国移动的省内环网通常采用()和()系统混合组网方式___
A. DWDM、DXC
B. DWDM、SDH
C. SDH、DXC
D. SDH、微波
【单选题】
SDN网络的本质，简单可以总结为：___
A. 数据包的转发通过动态路由表来控制。
B. 路由设备的控制与转发功能实现了统一
C. 路由设备的控制与转发功能实现了分离
D. 以上均不正确
【单选题】
ODN的哪种结构适用于有大数据量和高速率要求的用户。___
【单选题】
GPON系统采用什么技术，实现单纤双向传输？ ___
A. WDM
B. FDM
C. TDM
D. CDM
【单选题】
普通GPON网络ODN的总分光比应不超过（ ）。___
A. 1:32
B. 1:64
C. 1:128
D. 1:256
【单选题】
中国移动CDN网络已下沉至以下哪个节点？ ___
A. TCS
B. 省中心
C. 地市
D. 区县
【单选题】
中国移动CDN网络整体是几层架构？___
【单选题】
为更好地开展CDN引入工作，减少现网开发，增加CDN服务节点稳定性，浙江移动自建了以下哪个系统完成与CP对接、内容注入及回源？___
A. 内容运营管理平台
B. 流量管理系统
C. 智能调度系统
D. 内容接入平台
【单选题】
行业视频支持的视频格式是（ ）。___
A. rm
B. mp4
C. H.264
D. nvr
【单选题】
以下属于行业视频基础功能的是（ ）。___
A. 人脸识别
B. 实况
C. 权限管理
D. 集中存储
【单选题】
以下属于行业视频运维能力的是（ ）。 ___
A. 实况
B. 告警
C. 权限控制
D. 录像
【单选题】
物联网平台业务端到端包含终端、网络、( )和应用。___
A. 物联卡
B. 模组
C. NB-IOT
D. 能力
【单选题】
建设物联网生态的关键是（ ）。___
A. 5G
B. 物联网平台
C. 终端
D. 应用
【单选题】
VPDN的认证方式是（ ）。___
A. 号码+APN+用户名+密码
B. 号码+APN
C. 号码+APN+用户名+密码+ip
D. 以上都是
【单选题】
理论上，5G的时延极限值为（ ）毫秒。 ___
【单选题】
以下哪个响应码类似于HTTP的200 OK（ ）。___
A. 2.00
B. 2.01
C. 2.03
D. 2.05
【单选题】
PSM模式休眠时间最大为（ ）小时。___
A. 200
B. 210
C. 300
D. 310
【单选题】
以下哪个CoAP响应码表示服务器错误（ ）。___
A. 2.05
B. 3.01
C. 4.04
D. 5.03
【单选题】
以下哪个不是NB-IOT的专有技术（ ）。 ___
A. PSM
B. DRX
C. eDRX
D. Non-IP
【单选题】
哪项不是项目章程的签发人。___
A. 项目发起人
B. 项目启动者
C. 授权项目经理
D. 高层管理人员
【单选题】
你正着手一个为大型医院开发软件的项目。在理解项目需求后，你感觉他们必须为这个工作选择不同的技术。理想状态下这个事情应该在那个过程被考虑？___
A. 建WBS
B. 活动定义
C. 开发项目管理计划
D. 定义范围
推荐试题
【单选题】
Let me introduce myself. I'm Steward.___
A. What a pleasure.
B. Pleased to meet you.
C. I don't know.
D. Thanks a lot.
【单选题】
Let's go to the library this afternoon.___.
A. Yes, that's right.
B. No. I can't.
C. What about you?
D. That's a good idea.
【单选题】
What does Tom's wife do for a living?___.
A. She is a doctor.
B. Tom loves his wife.
C. She has a happy life.
D. She lives far from here.
【单选题】
How tall is your sister?___
A. She is not very well.
B. She is 28 years old.
C. She is very nice.
D. She is as tall as I am.
【单选题】
What do you think of this novel?___
A. I've read it.
B. It's well-written.
C. It was written by my uncle.
D. I bought it yesterday.
【单选题】
How much is this necklace?___
A. It's very nice.
B. It's a birthday present from my parents.
C. It costs fifty pounds.
D. It's a bargain.
【单选题】
How can I get to the cinema?___
A. It's very far.
B. Yes, there is a cinema near here.
C. It's well known.
D. Go down this street and turn left.
【单选题】
What's the matter, John?___
A. I failed my French test
B. It doesn't matter.
C. Nothing's wrong with him.
D. I don't think I can.
【单选题】
What are you majoring in?___
A. In a university.
B. Very hard.
C. Mathematics.
D. At nine in the morning.
【单选题】
Are you going on holiday for a long time?___
A. It was a long time.
B. Two weeks ago.
C. No. Only a couple of days.
D. Not long time ago.
【单选题】
Is Mary there?___
A. Speaking.
B. I'm not Mary.
C. Who are you?
D. Mary is well today.
【单选题】
What day is today?___
A. It's March 6.
B. It's a fine day today.
C. It's March.
D. It's Monday.
【单选题】
Is that seat taken?___
A. Please don't worry.
B. I don't think so.
C. Why not?
D. It's very nice.
【单选题】
Thank you for calling.___
A. Don’t mention it.
B. That's fine.
C. Nice talking to you.
D. Call back again.
【单选题】
How are you getting on today?___
A. Very well.
B. How do you do?
C. I'm a doctor.
D. Nice to have known you.
【单选题】
How's your family?___
A. Thanks all the same.
B. Thanks for calling.
C. Not too bad.
D. Don't mention it.
【单选题】
- How is it that you are late for class again?___
A. Because I missed the bus
B. By bus and then on foot
C. Yes, it is quite wrong
D. It is far from school
【单选题】
- Excuse me. Could you spare me a few minutes? - ___
A. Of course.
B. Of course not.
C. I am sorry to hear that.D.Yes. I'm busy now.
【单选题】
- It's very thoughtful of you to give me a ride. ___
A. It's my pleasure.
B. Take it easy.
C. Sure.
D. Never mind.
【单选题】
- This is heavy! What's in it? ___
A. I think you don't like it.
B. My new computer. I just bought it.
C. I'm glad you're here.
D. Are you really interested in it?
【单选题】
___ I'd like to place an order please.
A. Can I help you?
B. I can help you.
C. What are you doing?
D. Why are you doing?
【单选题】
- Do you know the girl over there?___
A. How can I know?
B. Yes, I remember it now.
C. It's Sam, my teacher's daughter.
D. She is a good girl.
【单选题】
- Shall we go out for dinner tonight?____
A. No, you can't.
B. Yes, please.
C. Thank you, I don't want to.
D. Sorry, I have a report to finish.
【单选题】
- I think the reference book（参考书）is very helpful.____
A. Good idea.
B. So do I.
C. With pleasure.
D. No problem.
【单选题】
- I wish you success in your career.____
A. You are welcome.
B. I think so.
C. Yes, please.
D. The same to you.
【单选题】
- Would you like to come over tonight?____
A. Yes, last night.
B. Yes, over there.
C. Sure, I'd love to.
D. Yeah, I liked it too.
【单选题】
- How do I transfer calls? ____
A. Do as you like.
B. It is a bit difficult.
C. Let me show you.
D. Not at all.
【单选题】
- Thanks for inviting me, John, but I've already made other plans. ____. Maybe another time.
A. I hope you enjoy it
B. That's good
C. Oh! I'm sorry to hear that
D. Great! I really had a good time
【单选题】
- Thanks for the lovely party and the delicious food. ____
A. No, thanks.
B. Never mind.
C. Thank you for coming.D.That's all right.
【单选题】
- Why didn't you tell me? ____
A. Sorry, I forgot.
B. I'm sorry you should wait.
C. I don't know.
D. I'd love to.
【单选题】
- What do you plan to do after the exam? ____ How about you?
A. I hate taking exams.
B. I like making plans.
C. Nothing special.
D. I've changed my mind.
【单选题】
- Tom told me that you collect stamps. ____
A. What do you mean?
B. I don't think so.
C. Why did he tell you?
D. Yes, I do. Do you?
【单选题】
- This is a challenging job. Who wants it？____
A. I'll take it.
B. It's a good idea.
C. You bet!
D. No sweat!
【单选题】
- I'm taking my driving test tomorrow. ___!
A. Cheers
B. Good luck
C. Come on
D. Congratulations
【单选题】
- ABC Company, may I help you? ____
A. I am Jack. May I speak to Miss Jenny?
B. This is Jack speaking. May I speak to Miss Jenny?
C. This is Jack speaking. Can I find Miss Jenny?
D. I am Jack. Can I find Miss Jenny?
【单选题】
- You have won the football game. Congratulations! ____
A. We are really lucky.
B. No one else could do it.
C. Oh, not really.
D. It's nice of you to say so.
【单选题】
- Excuse me, when will the 17:15 train arrive____
A. I don't tell you.
B. It's been delayed one hour.
C. You have to be patient.
D. Don't ask me.
【单选题】
- Is John there?____
A. Speaking.
B. I'm not Mary.
C. Who are you?
D. Mary is well today.
【单选题】
- Would you like to join us for Sunday dinner____
A. It's nice of you to invite me.
B. How about the food?
C. I like onion soup.
D. I'm sorry I missed the fun last time.
【单选题】
- Could you tell me where the nearest parking lot is?____
A. Don't ask me.
B. Parking is very difficult.
C. Sorry, I'm a stranger here.
D. Sorry, you can't park here.
