【单选题】
在STP（生成树协议）中，用于计算生成树的各种信息和参数被封装在( )中在交换机之间发送。 ___
A. 配置BPDU
B. VLAN ID
C. LSA
D. MAC
E.
F.
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相关试题
【单选题】
在T2000 中对两纤通道保护环创建路径时，业务方向应选择：___
A. 单向
B. 双向
C. 都可以
D. 以上都不对
E.
F.
【单选题】
在TCP/IP模型中，应用层包含了所有的高层协议，在下列的一些应用协议中，（ ）是能够实现本地与远程主机之间的文件传输工作。___
A. telnet
B. FTP
C. SNMP
D. NFS
E.
F.
【单选题】
在TCP/IP体系结构中，UDP协议属于___
A. 应用层
B. 传输层
C. 网络层
D. 网络接口层
E.
F.
【单选题】
在TCP/IP协议中，A类地址第一个字节的范围是（ ）。___
A. 0---126
B. 0---127
C. 1---126
D. 1---127
E.
F.
【单选题】
在VLAN的标签中，VLAN ID共占用多少比特。___
A. 4
B. 8
C. 12
D. 16
E.
F.
【单选题】
32位服务器环境下如何启动PONNBI服务___
A. 直接在$PONNBI_HOME/bin目录下执行./ponnbi_server start
B. 在$PONNBI_HOME/server/jboss-4.2.2.GA/bin目录下直接运行./run.sh
C. 先设置环境变量(set PONNBI_HOME=/opt/PONNBI_APP/和export PONNBI_HOME),然后在$PONNBI_HOME/server/jboss-4.2.2.GA/bin目录下运行nohup ./run.sh -b 0.0.0.0 &
D. 先设置环境变量(set PONNBI_HOME=/opt/PONNBI_APP/和export PONNBI_HOME),然后在$PONNBI_HOME/bin目录下执行./ponnbi_server start
E.
F.
【单选题】
在WDM系统中，通过（）控制激光波长在信道中心波长___
A. 变频技术
B. 光交换技术
C. 波长锁定技术
D. 光放大技术
E.
F.
【单选题】
在传输线路为成复帧的E1中，第0时隙用于传输（ ）.___
A. 帧同步数据
B. 有效数据
C. 信令
D. 帧复用数据
E.
F.
【单选题】
查看网元邻居的命令为( )___
A. sh ip r
B. sh ip os
C. sh ip os n
D. sh ip os d
E.
F.
【单选题】
在传输线路为成复帧的E1中，第16时隙用于传输（ ）.___
A. 帧同步数据
B. 有效数据
C. 信令
D. 帧复用数据
E.
F.
【单选题】
在创建tunnel时，需要指定tunnel的必经路径，那么我们需要选择下面哪个显示路径（ ）___
A. 排除路径
B. 严格必经路径
C. 不需做任何设置
D. 松散必经路径
E.
F.
【单选题】
在对端出现MS-AIS告警时，将回送给本端一个（ ）___
A. AIS告警
B. BBE告警
C. RDI告警
D. SD告警
E.
F.
【单选题】
在多个告警并存时，应( )___
A. 按告警产生的时间顺序进行处理
B. 先处理优先级高的原发告警
C. 由低至高的顺序处理
D. 由近及远的顺序处理
E.
F.
【单选题】
在给ONU作数据规划时，哪类ONU不需要分配网管地址()___
A. A类
B. B类
C. B类
D. 都不需要
E.
F.
【单选题】
在光通信中，ODN1：4光分路器的损耗大概是（ ）___
A. 2db
B. 4db
C. 6db
D. 8db
E.
F.
【单选题】
在华为交换机上如何查看一个以太口（如Ethernet 0/1）的丢包率，收到和发送的包数，字节数___
A. display interface Ethernet 0/1
B. display controller Ethernet 0/1
C. display config Ethernet 0/1
D. show detail
E. thernet 0/1 E.
F.
【单选题】
在进行故障排除时，为了配合ALCATEL的专家对问题精确定位，使用（ ）命令在设备上创建tech-support:___
A. admin tech-support
B. tech-support
C. show tech-support
D. create tech-support
E.
F.
【单选题】
当网元之间通过DCC相连，那么他们的IP地址必须属于（ ）___
A. 不同IP子网
B. 同一IP子网
C. 该IP子网既可以相同也可以不相同
D. B类子网
E.
F.
【单选题】
在客户端发现MA5626G ONU的AUTH灯一直闪，应该是（）___
A. 正在注册中
B. 设备损坏
C. 光缆中断
D.
E.
F.
【单选题】
查询OMCI日志使用( )命令___
A. #ont/system/log>show omci
B. #ont/system/mib>show 84
C. #ont/system/mib>show 171
D. #ont/system/mib>show 266
E.
F.
【单选题】
在链形组网时,若某一站由于SCC板问题登录不上,同时导致该站以后的站点登录不上,此时可采取临时措施,恢复该站之后的站点的登录，该措施是? ___
A. 拔除该站点的SCC板
B. 对该站重新下配置
C. 更换该站的STG板
D. 更改该站SCC板的ID拨动开关
E.
F.
【单选题】
在下面哪个协议用于发现设备的硬件地址 ___
A. RARP
B. ARP
C. IP
D. ICMP
E.
F.
【单选题】
在现代网络管理模型中，（）是管理系统的心脏。___
A. 管理方式
B. 数据库
C. 管理数据收集方式
D. 采用的语言
E.
F.
【单选题】
在线式UPS中，由（ ）把直流电压变成交流电压.___
A. 整流器
B. 逆变器
C. 充电器
D. 交流调压器
E.
F.
【单选题】
在新开局R308版本的设备时，哪个Tcont索引类型不能用于业务开通( )___
A. Tcont 0
B. Tcont 1
C. Tcont 2
D. Tcont 127
E.
F.
【单选题】
在一个C类地址的网段中要划分出32个子网，下面那个子网掩码最适合？（ ）___
A. 255.255.255.252
B. 255.255.255.248
C. 255.255.255.240
D. 255.255.255.255
E.
F.
【单选题】
在一个PON系统中，( )放置在用户侧.___
A. ONU
B. OLT
C. POS
D. P2P
E.
F.
【单选题】
在一个PON系统中，( )既是一个交换机或路由器，又是一个多业务提供平台，它提供面向无源光纤网络的光纤接口，是整个PON系统的核心部件.___
A. ONU
B. OLT
C. POS
D. P2P
E.
F.
【单选题】
在一个PON系统中，( )是一个连接OLT和ONU的无源设备，它的功能是分发下行数据并集中上行数据. ___
A. ONU
B. OLT
C. POS
D. P2P
E.
F.
【单选题】
802.11、802.11b、802.11a、 802.11b 、802.11n的最高理论数率分别为（ ）___
A. 2Mbps、11 Mbps、 54 Mbps 、54 Mbps、300 Mbps
B. 2Mbps、11 Mbps、 54 Mbps 、128 Mbps、300 Mbps
C. 2Mbps、11 Mbps、 54 Mbps 、54 Mbps、600 Mbps
D. 2Mbps、11 Mbps、 54 Mbps 、128 Mbps、4500 Mbps
E.
F.
【单选题】
arp包的包类型为（ ）___
A. 0x0800
B. 0x0806
C. 0x8100
D. 0x8808
E.
F.
【单选题】
查询命名树的命令是哪个（ ）___
A. itconfigure
B. itadmin
C. telent
D. cmd
E.
F.
【单选题】
在以太网中，帧的长度有一个下限，这主要是出于（ ）的考虑。___
A. 载波监听
B. 多点访问
C. 冲突检测
D. 提高网络带宽利用率
E.
F.
【单选题】
___
A. 两者都是动态路由协议
B. 两者都属于链路状态路由协议
C. 两者都支持VLSM
D.
【单选题】
帧中继是一种（ ）的协议___
A. 面向连接
B. 网络协议
C. 面向无连接
D. 可靠
E.
F.
【单选题】
正确的域名机构顺序有（ ）组成___
A. 计算机名、组织机构名、二级域名、顶级域名
B. 组织机构名、计算机名、二级域名、顶级域名
C. 计算机名、组织机构名、顶级域名
D. 组织机构名、二级域名、顶级域名
E.
F.
【单选题】
正有MSAP能支持多E1和单E1协转的板卡为___
A.
B. LAN B.TBFE4
C. TBEE
D. TBEEn
E.
F.
【单选题】
只对源IP地址进行匹配的ACL的类型是（）。___
A. 混合ACL
B. 二层ACL
C. 扩展ACL
D. 基本ACL
E.
F.
【单选题】
直接路由、静态路由、rip、ospf按照默认路由优先级从高到低的排序正确的是()___
A. 直接路由、rip、静态路由、ospf
B. 直接路由、ospf、rip、静态路由
C. 直接路由、ospf、静态路由、rip
D. 直接路由、静态路由、rip、ospf
E.
F.
【单选题】
直流电流表与电压表指示的数值，是反映该交变量的（）___
A. 有效值
B. 平均值
C. 额定值
D. 最大值
E.
F.
推荐试题
【单选题】
14. I don’t know the teacher is talking with Miss Wang．
A. what B. whom C. who D. which
【单选题】
15.Millie does __________ that many people are thankful to her．
A. such an important and helpful job B. so important and helpful work
C. a very important and helpful job D. such an important and helpful work
【单选题】
16. I think eating more vegetables is good _______ our health.
—Yes, I agree _______ you.
A. at, to B. for, with C. to, to D. for, to
【单选题】
17. I often go on holiday with my parents _____ summer.
A. in B. at C. on D. of
【单选题】
18. I called you at 4:00 yesterday afternoon, but nobody answered.
Sorry, I ______ with my friends at that time.
A. had swum B. swam C. would swim D. was swimming
【单选题】
19.––Who is on the playground? ---__________．
A. Never B. None C. No one D. A lot
【单选题】
20. The schoolboy ______ a blind man cross the street yesterday.
A. helps B. helped C. will help D. has helped
【单选题】
21. —The 2010 World Expo which will last 184 days will be held in Shanghai on May 1st.
—________exciting news! We shall try our best to support it.
A. How B. How an C. What D. What an
【单选题】
22. They preferred ______ in bed rather than _____ horses．
A. to lie; to ride B. lying; riding C. lying; ride D. to lie; ride
【单选题】
23. —What was Jim wearing at the party?
— Nothing _______. He was in his usual shirt and jeans.
A. special B. simple C. important D. interesting
【单选题】
24. The 2016 Olympic Games ________ in Brazil. Would you like to go there?
Maybe, if possible.
A. are held B. will be held C. were held D. have been held
【单选题】
25. — David, look at the man in white over there．Can you tell me _______ ?
—He is a doctor．
A. who is he B. who he is C．what does he do D. what he does
【单选题】
( ) 26.With help from a Mr. H, you can__________.
A. stop wearing your watch B. get new books and objects
C. finish your homework on time D. know when parents or teachers are near
【单选题】
( ) 27. A PENGO WATCH CONTROL can help you to ______________.
A. repair your TV B. put away your books and objects
C. become a James Bond D. get a daily weather report
【单选题】
( ) 28. You can get your Mr. H for___________.
A. $299 B. $499 C. $199 D. $99
【单选题】
( ) 29. When was canned food invented?
A. In 1870. B. In 1810. C. In 1902. D. In 1926.
【单选题】
( ) 30. After the trip to the Arctic, Clarence Birdseye invented ____________.
A. canned food B. can openers
C. frozen food D. air conditioning
【单选题】
( ) 31. Changes in weather _____________ in Willis Carrier's company.
A. helped to keep food B. made rooms comfortable
C. caused health problems D. hurt printing paper
【单选题】
( ) 32. According to the passage, which of the following may lead to inventions?
A. People's needs. B. Public support.
C. Modern technology. D. Practical suggestions.
【单选题】
( ) 33. 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】
( ) 34. 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】
( ) 35. 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】
( ) 36. 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】
( ) 37. The Chinese Yellow Sea Wetlands are in the _______ of China．
A．south B．east C．west D．north
【单选题】
( ) 38. Usually the weather in the wetlands is _______．
A．hot B．pleasant C．cold D．dry
【单选题】
( ) 39. The World Wetlands Day is on _______．
A．February 2 B．June 25 C．April 22 D．March
【单选题】
( ) 40. We must protect wetlands because _______．
A．they are home for wildlife B．they can prevent flood
C．they can offer food to the animals and birds D．all of the above
【单选题】
) 1. —Is it far from here to the bank?
—Not very, only________．
A. 20 minute’s walk B. 20 minutes walk
C. 20 minutes’ walk D. 20 minutes’ walks
【单选题】
2. — After discussing, the students ________ some good ideas to work on the project.
— Thats great!
A. put up B. set up C. caught up with D. came up with
【单选题】
3. Yesterday Tommy walked past my table and ______ my bowls and dishes.
He should be careful next time.
A. knocked off B. took off C. showed off D. turned off
【单选题】
4.We don’t have enough nurses to look after patients．At least ___ nurses are needed．
A. ten another B. more ten C. another ten D. other ten
【单选题】
5. — Zhao Rui, it’s said that many famous singers will come to Yangzhou on April 18th. How about watching the evening show there?
—________! Let’s ask Huang Tao to go with us.
A. Best wishes B. Sounds great C. Good luck D. That’s OK
【单选题】
6.—Hello! This is Henry Speaking．I’d like to speak to your father．
—Sorry, he has Shanghai．
A. been in B. been to C. come to D. gone to
【单选题】
7. — It’s difficult for the village children to cross the river for school．
— I think a bridge ______ over the river．
A. was built B. is being built C. has been built D. should be built
【单选题】
8. —Where would you like to go, Jinan or Qufu?
— ．I only want to go to Qingdao．
A. Each B. Either C. Neither D. All
【单选题】
9 — The documentary A Bite Of China II is quite popular around China recently. How do you like it? ______.
A. I think so B. Pretty good C. Its my pleasure D. All right
【单选题】
10. There are three English-books on the shelf, but ______ of them is mine.
A. both B. neither C.all D. none
【单选题】
11. When the parents arrived at the hall, the students _______ their projects.
A. have finish B. finished C. had finished D. are finishing
【单选题】
12. This week, the _______ seems to change every day: one day is hot; the next day is cold.
A. time B. weather C. season D. way
【单选题】
13. He never does his work _______ Mary.
A. as careful as B. so careful as C. carefully as D. as carefully
