【单选题】
OSPF路由器之间交换链路状态公告(LSA)信息，以下哪一类型由由ABR产生，由主干区域发送到其他ABR, 含有ASBR的链路信息,用来描述OSPF网络的外部路由。 ___
A. LSA TYPE 1
B. LSA TYPE 2
C. LSA TYPE 3
D. LSA TYPE 4
E.
F.
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相关试题
【单选题】
OSPF路由协议区域间的环路避免是通过哪种方式实现的？（ ）___
A. 分层结构的拓扑实现
B. 基于SPF计算出的无环路径
C. 基于area ID
D. 基于AS ID
E.
F.
【单选题】
OSPF协议以（ ）报文来封装自己的协议报文，协议号是89。___
A. IP报文
B. IPX报文
C. TCP报文
D. UDP报文
E.
F.
【单选题】
OSPF协议中DR的作用范围是（ ）___
A. 整个运行OSPF的网络；
B. 一个area；
C. 一个网段；
D. 一台路由器；
E.
F.
【单选题】
OSPF选举DR、BDR时会使用如下的那些报文？ ___
A. HELLO报文（Hello Packet）；
B. DD报文（Database Description Packet）；
C. LSR报文（Link State Request Packet）；
D. LSU报文（Link State Update Packet）；
E. LSAck报文（Link State Acknowledgmen Packet）；
F.
【单选题】
OTDR屏幕上显示的曲线是（）。___
A. A.前向散射曲线
B. B.背向散射曲线
C. C.散射曲线
D.
E.
F.
【单选题】
otnm.ini文件下控制网管自动锁定的选项是哪项（ ）___
A. AUTO_LOCK_TIMEOUT
B. MENU_CLOCKCONFIG
C. Ne_SetTime_Interval
D. BAKTIME_HOUR
E.
F.
【单选题】
一个STM-4可直接提供（ ）个2M ___
A. 64
B. 252
C. 254
D. 128
E.
F.
【单选题】
otnm.ini文件下控制远程写ip的选项是哪项（ ）___
A. EQUIP_TOPOY=
B. BIND_TO_IP
C. MAX_CONNECTION_CNT_PER_IP=
D. MENU_NEIPCFG
E.
F.
【单选题】
OTNM2000界面中不能够清掉的数据包括___
A. 当前告警
B. 命令日志
C. 告警历史
D. 性能历史
E.
F.
【单选题】
otnm2000历史数据日积月累，数据量会很大，为了缓解数据库的存储压力，提高网管监控性能，网管开发了一个后台服务来完成转储功能，该功能服务是（ ）___
A. dtserver
B. dtdumper
C. manager2
D. monitor
E.
F.
【单选题】
以下对于版本及补丁升级说法错误的是（ ）___
A. 版本升级需要验证业务
B. 升级方案需要先验证再实施
C. 补丁升级不需要验证业务
D. 版本入网需要入网证
E.
F.
【单选题】
OTNM2000网管的port number（即环境变量中的网管端口号）工程要求配置为（ ）___
A. 1526
B. 6001
C. 6000
D. 1826
E.
F.
【单选题】
otnm2000网管的后台服务dtserver使用的端口号是（ )___
A. 6000
B. 20000
C. 7888
D. 7889
E.
F.
【单选题】
OTNM2000网管的用户级别不包括( )___
A. 高级
B. 中级
C. 低级
D. 限制级
E.
F.
【单选题】
OTNM2000网管系统中紧急告警用哪个颜色的告警灯表示（ ）___
A. 红色
B. 黑色
C. 白色
D. 橙色
E.
F.
【单选题】
OTNM2000网管中客户端使用otnmping来ping通网元,此过程是借助服务器端哪个服务来实现的（ ）___
A. dtserver
B. dtdumper
C. manager2
D. monitor
E.
F.
【单选题】
OTNM2000与IAMS数据集成维护系统之间通信的接口服务是哪个（ ）___
A. corbaserver
B. Ftmserver
C. otnmapi_rpc_server
D. otnmemulator.exe
E.
F.
【单选题】
一个路由器的路由表通常包含( )。___
A. 目的网络和到达该目的网络的完整路径
B. 所有的目的主机和到达该目的主机的完整路径
C. 目的网络和到达该目的网络路径上的下一个路由器的IP地址
D. 互联网中所有路由器的IP地址
E.
F.
【单选题】
OTNM2100网管对象告警监视窗口中上报的告警，用户不能做的操作 ( )___
A. 将告警从窗口清除
B. 确认告警
C. 告警排序
D. 将告警从数据库中清除
E.
F.
【单选题】
OTNM2100网管日志内容不包括( )。___
A. 用户操作日志
B. 域子网事件日志
C. 登陆日志
D. 数据库错误日志
E.
F.
【单选题】
OTNM2100系统可管理多达（ ）个域子网管理系统或网元管理系统___
A. 16
B. 32
C. 48
D. 64
E.
F.
【单选题】
OTNM2100系统能支持( )个本地或远程用户终端___
A. 8
B. 12
C. 16
D. 20
E.
F.
【单选题】
以下哪个ONU可以承载TDM业务.（ ）___
A. MA5612
B. MA5620
C. HG850A
D. MA5610
E.
F.
【单选题】
PBX交换机的一条E1线路可以提供（）个话路。___
A. A.28
B. B.24
C. C.30
D. D.32
E.
F.
【单选题】
PBX用户拨打移动虚拟网短号，听到语音提示为您所拨的号码没有申请VPMN业务故障原因可能为（）___
A. A.传输故障
B. B.主叫号码错误
C. C.被叫错误
D. D.主叫号码未录入虚拟网平台
E.
F.
【单选题】
PCM30/32的7位帧同步码为（ ）___
A. 111
B. 11011
C. 1111010
D. 1010101
E.
F.
【单选题】
65535，单位为毫秒，它的默认值为______毫秒。___
A. 1000
B. 100
C. 200
D. 2000
E.
F.
【单选题】
PING 命令使用了哪种ICMP消息 ___
A. Redirect
B. Source quench
C. Echo request 和Echo reply
D. Destination unreachable
E.
F.
【单选题】
一套网元层是管理系统NetNumem T31在高配置下最大可管理（ ）个ＰＴＮ等效网元，提供（ ）个客户端接入.___
A. 2000，8
B. 4000，16
C. 8000，32
D. 10000，32
E.
F.
【单选题】
PON技术下行信号OLT选择使用广播方式进行发送，ONU选择性接收，上行采用( )方式发送。___
A. WDM
B. TDMA
C. CDMA
D. FDMA
E.
F.
【单选题】
PON接入层的覆盖半径最远大概是多少KM？___
A. A.10
B. B.40
C. C.30
D. D.20
E.
F.
【单选题】
PON系统上行传输波长为（ ）nm___
A. 1550
B. 1490
C. 850
D. 1310
E.
F.
【单选题】
PON中CATV类业务的下行波长 （）___
A. 1310nm
B. B．1490nm
C. C．1450nm
D. D．1550nm
E.
F.
【单选题】
PPP 协议是用于拨号上网和路由器之间通信的点到点通信协议，是属于（ ）协议.___
A. 物理层
B. 传输层
C. 数据链路层
D. 网络层
E.
F.
【单选题】
以下哪个标准是ITU-T G.984.4中规定的.（ ）___
A. GTC复用结构及协议栈介绍
B. GTC帧结构介绍
C. GPON TC层规格要求
D. OMCI设备管理框架
E.
F.
【单选题】
PPPOE流程中是否有心跳包（ ）___
【单选题】
PPPOE流程中一个或者多个BAS发送的给予分组的信令为（ ）___
A. PADS
B. PADO
C. PADI
D. PADT
E.
F.
【单选题】
PPPOE在抓包后过滤时输入（ ）___
A. pppoe
B. PPPOED
C. pppoed
D. bootp
E.
F.
【单选题】
PPP协议中，（ ）主要用于协商在该数据链路上所传输的数据包的格式与类型.___
A. 链路控制协议
B. PPP扩展协议
C. 网络层控制协议
D. PAP.CHAP协议
E.
F.
【单选题】
04.20.05.26系列网管在工程使用中，如果网管使用的是mysql数据库，正确的转储门限及告警门限的设置值为（ ）___
A. 50000000/40000000
B. 40000000/430000000
C. 7000000/5600000
D. 70000000/56000000
E.
F.
推荐试题
【单选题】
— This box is too heavy for me to carry it upstairs.___
A. You may ask for help.
B. I'll give you a hand.
C. Please do me a favor.
D. I'd come to help.
【单选题】
— I wonder if I could use your computer tonight?___ I'm not using it right now.
A. Sure, here you are.
B. I don't know.
C. It doesn't matter.
D. Who cares?
【单选题】
— Excuse me, could you show me the way to the nearest post office?___ Oh yes! Two blocks away from here at the Green Avenue. You can’t miss it.
A. I beg your pardon?
B. What do you mean?
C. You’re welcome.
D. Um, let me think.
【单选题】
— Wow! This is a marvelous room! I’ve never known you’re so artistic.____
A. Great, I am very art-conscious.
B. Don’t mention it.
C. Thanks for your compliments.
D. It's fine.
【单选题】
— Is it possible for you to work late tonight？___
A. I like it.
B. I'll do that.
C. I'd love to. .
D. I think so.
【单选题】
— Unbelievable! I have failed the driving test again!___ This is not the end of the world.
A. Good luck.
B.
C. heer up. C. Go ahead.
D. No problem.
【单选题】
Are you feeling better today, Jack?___
A. There must be something wrong.
B. Just have a good rest.
C. Yes, thank you, doctor. But I still don't feel good.
D. Don’t worry about me.
【单选题】
Thank you so much for your lovely gift.___
A. Never mind.
B. I'm glad you like it.
C. Please don't say so.
D. No, It's not so good.
【单选题】
Would you like something to drink? What about a cup of tea?___
A. No, thanks.
B. No, I wouldn’t
C. Yes, I want.
D. Yes, I like.
【单选题】
What's the problem with your bike?___
A. Not at all.
B. Good, thank you.
C. Nothing serious.
D. Sure.
【单选题】
Good morning, John. How are you doing?___
A. I'm pleased
B. Good night.
C. Not so bad. And you?
D. How do you do?
【单选题】
How do you do?___
A. Fine, thank you.
B. How do you do?
C. Not too bad.
D. Very well.
【单选题】
Good-bye for now.___
A. The same to you.
B. That's OK
C. See you.
D. Long time no see.
【单选题】
Hello, how are you?___
A. Hello, how are you?
B. How do you do?
C. Fine, thank you.
D. That's OK.
【单选题】
I didn't mean to do that. Please forgive me。___
A. Not too bad.
B. That's all right
C. It's a pleasure.
D. Thank you.
【单选题】
Thank you for your invitation.___
A. It doesn’t matter.
B. It's a pleasure.
C. It's a small thing.
D. I'll appreciate it.
【单选题】
What a beautiful dress you have on today!___
A. It is suitable for me.
B. No, it isn’t.
C. You want to have one, too?
D. Thank you.
【单选题】
I think he is a good lecturer.___
A. Sorry, it doesn’t matter.
B. So do I.
C. Yes. It's a good idea
D. I don't mind
【单选题】
— What's the matter, dear?___
A. I didn't go to school.
B. I have a terrible headache.
C. I took the kids shopping today.
D. It is a beautiful dress.
【单选题】
Good morning, may I speak to Mark, please?___
A. Who's there?
B. Who's that speaking?
C. Who are you?
D. Who wants to speak to Mark?
【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?
