【单选题】
PTN640设备在配置1:1保护时，LSP标签值正向与反向（ ）___
A. 可以相同
B. 一定相同
C. 一定不同
D. 没有要求
E.
F.
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相关试题
【单选题】
PTN660设备的网元类型配置为（ ）___
A. Citrans660
B. Citrans660 NMU
C. PTN660
D. FONST660
E.
F.
【单选题】
PTN660设备下框槽位分布了（ ）路MCC___
A. 60
B. 100
C. 160
D. 192
E.
F.
【单选题】
以下哪个不属于GPON的组成部分（ ）___
A. 光线路终端OLT
B. 光网络单元/光网络终端（ONU/ONT）
C. 光纤分配网ODN
D. 光电转换器electrooptical
E.
F.
【单选题】
radius采用的是客户服务模式，其服务端是指宽带认证计费系统，客户端是指（ ） ___
A. 用户计算机
B. BAS
C. 管理员计算机
D. 交换机
E.
F.
【单选题】
RSTP 中，对网络边缘端口进入转发状态进行了改进，其网络边缘端口指的是___
A. 网桥环回口
B. 直接和终端设备相连的端口
C. 直接和网段相连的端口
D. 直接和网桥相连的端口
E.
F.
【单选题】
RSTP（快速生成树协议）是STP（生成树协议）的升级版本，与STP相比，最显著的特点就是 ___
A. 通过新的机制，加快了收敛速度
B. 通过新的机制，增强了稳定性
C. 通过新的机制，减少了环路
D. 通过新的机制，减少了广播风暴
E.
F.
【单选题】
ACL规则定义，错误的是（ ）___
A. 对于一个协议，一个接口的一个方向上同一时间内可以设置多个ACL
B. 每条ACL的末尾隐含一条deny any 的规则
C. ACL可应用于系统的某种特定的服务(如TELNET)
D. ACL可应用于某个具体的IP接口的出方向或入方向
E.
F.
【单选题】
ZXCTN6300设备最大可以提供（ ）10GE接口___
A. 2个
B. 4个
C. 6个
D. 8个
E.
F.
【单选题】
移动华为GPON使用的网管系统为( )___
A. N2000
B. T2000
C. M2000
D. U2000
E.
F.
【单选题】
SDH 光接口线路码型为：___
A. HDB3
B. 加扰的NRZ
C. NRZ
D. CMI
E.
F.
【单选题】
SDH 体制中集中监控功能的实现由：___
A. 段开销及通道开销
B. 线路编码的冗余码
C. 帧结构中的TS0 及TS15 时隙
D. 业务净负荷
E.
F.
【单选题】
SDH传输设备中，155M容量含有多少个2M？___
A. 252个
B. 244个
C. 61个
D. 63个
E.
F.
【单选题】
SDH传送网是一种以（ ）和光纤技术为核心的传送网结构.___
A. 基带传输
B. 频分复用
C. 时分复用
D. 波分复用
E.
F.
【单选题】
SDH的光线路码型为（）___
A. CMI
B. HDB3
C. 加扰的NRZ码
D. B8ZS
E.
F.
【单选题】
SDH技术中采用的帧结构属于块状帧结构并以字节为基础，传输一帧的时间为125μs，每秒共传（）帧___
A. 600
B. 800
C. 6000
D. 8000
E.
F.
【单选题】
SDH设备的同步时钟输入T1、T2分别对应什么输入源（ ）___
A. SDH接口时钟 外部输入时钟
B. SDH接口时钟 PDH接口时钟
C. 外部输入时钟 外部输出时钟
D. 外部输入时钟 SDH接口时钟
E.
F.
【单选题】
以下哪个程序使用ICMP协议（ ）___
A. snmp
B. DNS
C. tracert
D. telnet
E.
F.
【单选题】
SDH设备某个支路板的一个通道有 T-ALOS 告警，可能原因是： （ ）___
A. 光纤中断
B. 本端没有电信号进来
C. 对端没有电信号进来
D. 业务配置不对
E.
F.
【单选题】
SDH网路管理的数据通信网络采用的实现方式是：___
A. 带外方式
B. 光纤内，带外方式
C. 带内方式
D. 光纤外方式
E.
F.
【单选题】
以太网测试中为了监控某端口的数据情况，通常采用( )测试方法___
A. 端口聚合
B. B．地址绑定
C. C．端口汇聚
D. D．端口镜像
E.
F.
【单选题】
SDH网络通过透明帧操作DCC的命令为( )___
A. 60 60 00
B. 61 61 00
C. 0f 88 00
D. 0f 66 00
E.
F.
【单选题】
SDH网元的定时方式有：___
A. 南北大区各不相同
B. 都一样
C. 四种
D. 三种
E.
F.
【单选题】
SDH网中，STM-4的速率为（ ）。___
A. A.2488.320Mbit/s
B. B.622.080Mbit/s
C. C.155.520Mb/s
D. D.2048Mbit/s
E.
F.
【单选题】
SDH信号的帧频是多少___
A. 30/32帧/秒
B. 8000帧/秒
C. 64K帧/秒
D. 155M帧/秒
E.
F.
【单选题】
SEMS2.0的含义为（ ）___
A. SDH网元管理系统2.0版本
B. SDH网络管理系统2.0版本
C. PDH网元管理系统2.0版本
D. PDH网络管理系统2.0版本
E.
F.
【单选题】
SEMS2.0系统的网管用户共分为（ ）级___
A. 3
B. 4
C. 5
D. 6
E.
F.
【单选题】
SEMS2.0系统的网管用户共分为4级，缺省情况下，至少（ ）级用户才可以对设备下控制或配置命令___
A. 1
B. 2
C. 3
D. 4
E.
F.
【单选题】
SEMS2.0系统将用（ ）色告警灯来表示次要告警___
A. 红
B. 紫
C. 黄
D. 蓝
E.
F.
【单选题】
以下哪个协议属于OSI模型的第三层（ ）___
A. ICMP
B. MGCP
C. DHCP
D. SIP
E.
F.
【单选题】
SEMS2.0系统将用（ ）色告警灯来表示紧急告警___
A. 红
B. 紫
C. 黄
D. 蓝
E.
F.
【单选题】
以太网端口镜像分为基于流的镜像和 ( ) ___
A. 基于端口的镜像
B. 基于IP地址的镜像
C. 基于VLAN的镜像
D. 基于MAC的镜像
E.
F.
【单选题】
SEMS2.0系统将用（ ）色告警灯来表示提示告警___
A. 红
B. 紫
C. 黄
D. 蓝
E.
F.
【单选题】
SEMS2.0系统将用（ ）色告警灯来表示主要告警___
A. 红
B. 紫
C. 黄
D. 蓝
E.
F.
【单选题】
SIP Final Response指的是status line的数字标识（ ）？___
A. <200
B. 200
C. >200
D. >=200
E.
F.
【单选题】
SIP的SDP offer/answer机制是定义在（ ）RFC文档？___
A. RFC3261
B. RFC3261
C. RFC3264
D. RFC3525
E.
F.
【单选题】
SIP协议的默认端口号是___
A. 3034
B. 8808
C. 5060
D. 2944
E.
F.
【单选题】
SLA网络质量要求中规定，对于给客户的服务承诺中，AAA级专线每年重复发生次数≤（ ）次/年、年业务累计中断历时≤（ ）小时.___
A. 2、3
B. 3、3
C. 3、2
D. 2、2
E.
F.
【单选题】
SMPP话单发回6XXXX的错误代码是什么含义.( )___
A. 消息发往SP出错时错误码
B. 消息发往SMC出错时错误码
C. SP返回错误应答时的错误码
D. 消息发往DSMP出错时错误码
E.
F.
【单选题】
SMSC是什么的缩写.( )___
A. 短信缓存中心
B. 短信发送中心
C. 互联网短信网关
D. 短信中心
E.
F.
【单选题】
SNMP TRAP配置中的ip为( )___
A. 数据库网卡ip
B. 设备网卡ip
C.
D.
E.
F.
推荐试题
【单选题】
Tom is a book lover. ______ likes reading very much.
A. He B. She C. You D. It
【单选题】
—May I listen to the music here, Mr. White?
—Sorry, you’d better it like that．
A. not to do B. not do to
C. dont do D. not do
【单选题】
3.—Did you have a good time at Lauras birthday party?
— Yes, indeed. Its several years ________ I enjoyed myself so much.
A. when B. before C. since D. that
【单选题】
4. —___________ is the Summer Palace from here?
About three kilometers away. You can take the No. 35 bus.
A. How long B. How far C. How often D. How much
【单选题】
5. I was looking for a birthday gift for my mother, but I couldnt find ______ suitable.
A. anything B. something C. nothing D. everything
【单选题】
6. A friend of my ____ and I are going to visit_______ next week．
A. father; Browns B. father's; Browns
C. father; the Browns D. father's; the Browns
【单选题】
7. She ______ very hard since she came to our school.
A. studies B. has studied C. is studying D. studied
【单选题】
8. — Who will send you to the new school, your mom or your dad?
— _______. Ill go there by myself.
A. Both B. Either C. Neither D. None
【单选题】
9.—Well do what we can ____English well this term．
—It’s high time for you to work hard．
A. study B．to study C. be studied D. be studying
【单选题】
10. —I’m going to Flower Bookstore. Could you tell me ______?
— Sorry, I don’t know. I’m new here.
A. where it is B. where was it C. where is it D. where it was
【单选题】
11. How do you like the dishes, Eric?
— Fantastic! Nothing tastes ________.
A. nice B. better C. terrible D. worse
【单选题】
12. ______ Lin Feng has to work late, she always wears a smile on her face.
A. Because B. If C. Until D. Though
【单选题】
13.You can save money _______ you buy cheaper things.
A. before B. unless C. if D. until
【单选题】
14. We will have a _________ holiday after the exam．
A. two-month B. two month’s C. two month D. two-months
【单选题】
15. —We will build an underground in Xuzhou before 2015．
— Wow, _______! Will it pass our place?
A. what an excited news B. how excited the news is
C. what exciting news D. how exciting
【单选题】
16. — Emily, here’s a dictionary．I hope it will help you in some way．
— Thank you．It’s ________ what I need．
A. almost B. still C. only D. just
【单选题】
17. —Oh．I’m hungry．Mum, can I have the hamburger on the plate?
—No．It tastes ．
A. terribly B. terrible C. good D. well
【单选题】
18. —We can invite our teachers to the farewell party next Saturday.
—Yes, ______? I’ll call them at once.
A. what for B. what C. why not D. why
【单选题】
19.You can ________ ask the old man to move away to any other place because he has lived ________ here for at least sixty years．
A. hardly; alone B. hard; alone
C. hardly; lonely D. hardly; lonely
【单选题】
20.—I’m going back to see my grandparents this weekend．
—________．
A. It’s very nice of you B. You’d better hurry
C. Say goodbye to them D. Give my best wishes to them
【单选题】
21.—Why not take ____ umbrella with the sign “Made in China”? It is useful.
—What _______ good advice it is!
A. an; a B. a; a C. an; \ D. \; a
【单选题】
22. —Do you know the boy________ is sitting next to Peter?
— Yes. He is Peter’s friend. They are celebrating his ________ birthday.
A. who; ninth B. that; ninth C. /; ninth D. which; ninth
【单选题】
23. It was dark, ______ I couldnt see what was happening.
A. or B. though C. but D. so
【单选题】
24.—You can use MSN to talk with Vivien on the Internet.
—I know. But can you tell me ________?
A. what I can use it B. when I can use it
C. why can I use it D. how can I use it
【单选题】
25. _______ are you going to the School Uniform Exhibition, Amy ?
To learn about different styles of school uniform.
A. What B. Where C. Which D. Why
【单选题】
( ) 26. Where does the writer of "The little Prince" come from?
A．England． B．France． C．America． D．China．
【单选题】
( ) 27. What does the prince do after the fox tells him a secret?
A．He cares more about a flower and a sheep．
B．He meets many more strange adults on other planets．
C．He realizes his love for the rose and he goes back to his planet．
D．He discovers interesting things such as a snake, other roses and a fox
【单选题】
( ) 28. What does "The little Prince" mainly talk about? It' s about _________．
A．the adult world B．the planet B -612
C．a rose and a fox D．the adventure of a young prince
【单选题】
( ) 29. What is the writer's main purpose（目的）in writing this passage？
A．To tell the readers his life story．
B．To tell people what kind of person his father was．
C．To tell the readers what present he got from his father．
D． To let people know how poor he was．
【单选题】
( ) 30. Why did the father not ask his son not to do this and do that？
A．Because he felt quite confident of his son．
B．Because he was born from a poor family．
C．Because he was a man of few words．
D．Because he didn't want to be much too strict with his son．
【单选题】
( ) 31. What would someone learn from this passage？
A．How to live by oneself． B．How to stand on one's own feet．
C．What a good father should do． D．What the self-important is like．
【单选题】
( ) 32. What may be the proper Chinese for the underlined part in the passage？
A．闲暇时光 B．学费 C．精神空虚 D．经济不足
【单选题】
( ) 33. Why did Natalie Smith pay for the six cars behind her?
A. She had seven tickets.
B. She hoped to please others.
C. She knew the car drivers well.
D. She wanted to show kindness.
【单选题】
( ) 34. Judy Foreman copied down the phrase because she ___ .
A. thought it was beautifully written
B. wanted to know what it really meant
C. decided to write it on a warehouse wall
D. wanted her husband to put it up in the classroom
【单选题】
( ) 35. Who came up with the phrase according to the passage?
A. Judy Foreman. B. Natalie Smith. C. Anne Herbert D. Alice Johnson.
【单选题】
( ) 36. What can we infer from the last paragraph?
A. People should practice random kindness to those in need.
B. People who receive kindness are likely to offer it to others.
C. People should practice random kindness to strangers they meet.
D. People who receive kindness are likely to pay it back to the giver.
【单选题】
( ) 37.The greatest river for navigation is ___________.
A. the Nile B. the Amazon C. the Mekong D. the Mississippi
【单选题】
( ) 38. From a dam, people can use the water for ___________.
A. keeping the rivers clean B. only making electricity
C. irrigation and making electricity D. washing clothes
【单选题】
( ) 39. The water in the river is polluted because of _____________.
A. people's drinking water too much B. people's swimming in the river too much
C. chemicals and other materials D. people's building a dam across a river
【单选题】
( ) 40. The best title of the passage is ___________.
A. Rivers in Cities B. The importance of Rivers
C. Transportation D. Natural Resources
