【单选题】
烽火公司OTNM2100网管所采用的后台数据库为___
A. informix
B. SQL Server 2000
C. Mysql
D. foxpro
E.
F.
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相关试题
【单选题】
ONU与OLT对接时的最小接收灵敏度为（）dBm___
A. 1
B. -1
C. -15
D. -27
E.
F.
【单选题】
OptiX机柜上的PGND表示( )___
A. 工作地
B. 电源地
C. 保护地
D. 防雷地
E.
F.
【单选题】
OSI模型分为几层___
A. 5
B. 6
C. 7
D. 8
E.
F.
【单选题】
PC机 A（IP地址为：1.2.3.4/24）要能和PC机 B（IP地址为2.3.4.5/24）进行应用业务互通，则可以通过设备（ ）来实现.___
A. Router
B. HUB
C. SWITCH
D. PING
E.
F.
【单选题】
Ping命令使用那种协议（ ）___
A. TCP
B. UDP
C. ICMP
D. SNMP
E.
F.
【单选题】
IMS语音专线接入，配置IPPBX的SIP设置项目时，主用服务器端口为（）。___
A. 8080
B. 5060
C. 21
D. 8117
E.
F.
【单选题】
PON的组网模式 （）___
A. 点到点
B. 点到多点
C. 多点到多点
D. 多点到点
E.
F.
【单选题】
PON技术下行信号OLT选择使用（ ）方式进行发送，ONU选择性接收。___
A. 组播
B. 单播
C. 广播
D. 多播
E.
F.
【单选题】
PON是基于一种（ ）拓扑的技术。___
A. P2P
B. P2MP
C. OLT
D. ONU
E.
F.
【单选题】
PON是一种点对多点的光纤传输和接入技术，上行采用( )___
A. 码分多址
B. 频分多址
C. 时分多址
D. 空分多址
E.
F.
【单选题】
烽火公司OTNM2100网管所采用的后台数据库为（ ）___
A. informix
B. SQL Server 2000
C. Mysql
D. foxpro
E.
F.
【单选题】
PON数据类业务的下行波长 （）___
A. 1310nm
B. 1490nm
C. 1450nm
D. 1550nm
E.
F.
【单选题】
PON通过哪个接口来实现网络管理功能？___
A. F接口
B. X
C. Q3接口
D. f接口
E.
F.
【单选题】
PON网络的定义是？___
A. 无源光网络
B. 无源电网络
C. 有源光网络
D. 有源电网络
E.
F.
【单选题】
PON系统设备的升级次序最好的是（ ）___
A. GSWC EC2 AC16 ONU
B. ONU EC2 AC16 GSWC
C. AC16 EC2 GSWC ONU
D. EC2 AC16 gscw ONU
E.
F.
【单选题】
PON系统中使用的光纤应为什么类型的光纤（ ）___
A. 多模光纤
B. 渐变光纤
C. 单模光纤
D. 以上都不是
E.
F.
【单选题】
PPPoE认证接入方式的加密方式是___
A. RC4
B. MPPE
C. MD5
D. PSK
E.
F.
【单选题】
IMS域内的核心功能实体使用( )协议作为其呼叫和会话的控制信令___
A. MGCP
B. SIP
C. H.323
D. SIGTRAN
E.
F.
【单选题】
PTN950/960设备一般位于网络的 ___
A. 核心层
B. 汇聚层
C. 调度层
D. 接入层
E.
F.
【单选题】
PTN950有多少个槽位 ___
A. 9
B. 10
C. 11
D. 12
E.
F.
【单选题】
PTN产品中，下列哪一项只有一个PTP端口？ ___
A. 普通时钟
B. 边界时钟
C. E2E透传时钟
D. P2P透传时钟
E.
F.
【单选题】
烽火通信生产的SEMS2.0系统是运行于（ ）系统环境之下的网元级网管系统___
A. UNIX
B. WINDOWS
C. LINUX
D. OS/2
E.
F.
【单选题】
PTN常见接入设备不包括（ ）___
A. PTN 910
B. PTN 950
C. PTN3900
D. PTN 960
E.
F.
【单选题】
PTN常用的链路保护倒换技术是（ ）___
A. SNCP
B. MSP
C. APS
D. PP
E.
F.
【单选题】
PTN的电源板、风扇板都是 冗余备份的 ___
A. 1:1
B. 1+1
C. 1：n
D. 1+n
E.
F.
【单选题】
PTN对路径上故障的快速检测是通过硬件 技术实现的 ___
A. MPLS
B. APS
C. OAM
D. QOS
E.
F.
【单选题】
PTN上以太接口的带内DCN最大带宽是 ___
A. 2048k
B. 1024k
C. 512k
D. 256k
E.
F.
【单选题】
PTN设备DCC软关断操作功能的命令为（ ）___
A. 60 60 00
B. 0f 88 01
C. 0f 88 02
D. 0f 88 03
E.
F.
【单选题】
PTN设备GE短距光口的发光功率范围是（ ），接收灵敏度是（ ）___
A. －8dbm~－15dbm,-28dbm
B. －3dbm~－9.5dbm,-20dbm
C. 0dbm~－5dbm,-22dbm
D. －1dbm~－6dbm,-22dbm
E.
F.
【单选题】
Internet上的域名系统DNS（ ）___
A. 可以实现域名之间的转换
B. 只能实现域名到IP地址的转换
C. 只能实现IP地址到域名的转换
D. 可以实现域名到IP地址的转换或反之
E.
F.
【单选题】
PTN设备GE长距光口的发光功率范围是 ，接收灵敏度是 ___
A. －8dbm~－15dbm,-28dbm
B. －3dbm~－9.5dbm,-20dbm
C. 0dbm~－5dbm,-22dbm
D. －1dbm~－6dbm,-22dbm
E.
F.
【单选题】
PTN使用 技术承载业务，数据转发使用了MPLS标签交换技术 ___
A. tunnel
B. aps
C. PW
D. OAM
E.
F.
【单选题】
在第二块GC4B的5506-07ONU中登录到主控盘，必须配置（ ），先登录到GC4B,私网IP为（ ），再登录到主控盘私网IP为（ ）___
A. 语音带宽，10.26.100.2，10.25.100.17
B. iptv带宽,10.98.100.2,10.25.100.17
C. 语音带宽，10.98.100.2，10.25.100.17
D. iptv带宽，10.98.100.2，10.25.100.18
E.
F.
【单选题】
PTN隧道线性保护，优先级最低的是（ ）___
A. 保护闭锁
B. 保护信号失效
C. 强制倒换
D. 工作信号失效
E.
F.
【单选题】
PTN以太网业务类型不包括（ ）___
A. E-line
B. E-aps
C. E-lan
D. E-aggr
E.
F.
【单选题】
PTN中OAM的CC检查流程中，检测到帧中MEG ID与目的MEP配置的MEG ID不同时，出现（ ）告警___
A. Mismerge
B. FLR
C. SSF
D. RDI
E.
F.
【单选题】
Qinq域模板最多支持（ ）个.___
A. 32
B. 512
C. 1024
D. 4096
E.
F.
【单选题】
Qos策略配置完成后，需要绑定到下面（ ）个参数上:___
A. VLANPORT
B. LOGPORT
C. VLAN
D.
E.
F.
【单选题】
SC/FC光纤尾纤两端接头分别是（ ）___
A. 两端均大方头
B. 圆头/大方头
C. 大方头/圆头
D. 两端大圆头
E.
F.
【单选题】
SDH的含义是：___
A. 同步数字传输体制
B. 光网络
C. 无源光网络
D. 综合数字网
E.
F.
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___ they have written about the behaviors of animals is hardly anything new.
A. That
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No other drugs are as good as this one; it must have been based on a(n) ___ formula (配方).
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Mothers tend to be too ___ toward their children. They should let them see more of the worl D.
A. hopeful
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The investigation ___ evidence of a large-scale illegal trade in wild birds.
A. uncovered
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Poor Laura! I feel so sorry for her. When she fell, she hurt her arm and, ___, broke her glasses.
A. in advance
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【单选题】
Showing some sense of humor can be a(n) ___ way to deal with some stressful situations.
A. genuine
B. available
C. effective
D. favorite
【单选题】
It will be worth the efforts even if you fail; the rewards you ___ will be great.
A. reap
B. boast
C. assure
D. cultivate
【单选题】
He suggested transporting the supplies by air. But it is absolutely ___, for it will cost too much.
A. unusual
B. uncertain
C. impractical
D. impressive
【单选题】
The newspaper didn’t mention the ___ of the damage caused by the fire.
A. range
B. level
C. extent
D. quantity
【单选题】
Do you ___ her novels as serious literature or as mere entertainment?
A. classify
B. notify
C. simplify
D. justify
【单选题】
He doesn’t ___ of buying a house this year because the bank has refused to lend him any money.
A. afford
B. make the most
C. run out
D. stand a chance
【单选题】
If you don’t ___ cooking today, we can go out to eat at the new restaurant.
A. would like
B. go on with
C. feel like
D. figure out、
【单选题】
Bullying (恃强欺弱) can ___ a climate of fear and anxiety in school, and prevent students from focusing on their schoolwork.
A. keep back
B. give rise to
C. feel like
D. make use of
【单选题】
Science can now ___ many things which were thought to be mysterious by ancient people.
A. care for
B. lay out
C. account for
D. set up
【单选题】
The school has ___ many after-class activity groups for the pupils to make their spare time more colorful.
A. set up
B. set off
C. set out
D. set down
【单选题】
When he was a small kid, he ___ from his peers because he could read fast and remember whatever he rea D.
A. showed off
B. worked out
C. stood out
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The fall in the number of deaths from heart disease is generally ___ improvements in diet.
A. put up with
B. attributed to
C. added to
D. replaced with
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We can be partners for now, but ultimately you have to ___ to develop a new software for our project.
A. keep up
B. fire off
C. make sense
D. take the lead
【单选题】
Emotional Intelligence (情商) could be of practical use in many ___ such as how companies decide which job applicant to hire, how parents should raise their children, how schools should teach the students, and so on.
A. aspects
B. disciplines
C. structures
D. opportunities
【单选题】
The teacher should praise students for their correct answers and also suggest ___ possibilities.
A. unlimited
B. unique
C. alternative
D. essential
【单选题】
In some classrooms, desks are arranged in a U-shape, so the teacher can ___ easily with the students.
A. interrupt
B. interact
C. interpret
D. interview
【单选题】
Computer technology ___ individuals to educate themselves and adapt to a constantly changing job market.
A. lets
B. makes
C. enables
D. provides
【单选题】
Our hope for an enjoyable dinner was instantly ___ when the waiter dropped a salad plate on my hea D.
A. spoiled
B. restricted
C. exploded
D. vanished
【单选题】
___ the world has ever seen has occurred in the information and communications technologies.
A. Great a change
B. The great change
C. A greatest change
D. The greatest change
【单选题】
___ so many people around, it wasn’t convenient to have a long talk with him.
A. As
B. When
C. With
D. Since
【单选题】
Alice used to be terribly shy, but working abroad for a year has completely ___ her.
A. solved
B. transformed
C. characterized
D. regulated
【单选题】
Chinese Mandarin (普通话) is ___ for foreigners to learn because the changes in the tone will totally change the meaning of words.
A. difficult
B. accessible
C. competitive
D. easy
【单选题】
Take action on those things that will have the biggest ___ impact on your life with the least amount of effort.
A. portable
B. positive
C. sophisticated
D. moderate
【单选题】
The adoption of this measure will greatly reduce the ___ of greenhouse gas emissions (排放物), which may help slow global warming.
A. loan
B. decline
C. release
D. response
【单选题】
I think I have a healthy lifestyle. I eat a lot of fruit and vegetables, and I’m a ___ drinker.
A. moderate
B. heavy
C. gradual
D. delicate
【单选题】
In a way the human race needs to improve its mental and physical qualities if it is to deal with the more and more ___ world and meet new challenges.
A. typical
B. complex
C. rational
D. orderly
【单选题】
If a person simply does not care about this activity, it’s ___ impossible to get him to participate.
A. barely
B. seldom
C. hardly
D. practically
【单选题】
Sometimes, even when the mind ___ functioning, the body keeps on working normally.
A. ceases
B. arouses
C. regulates
D. specializes
