【判断题】
在处理网络故障时，如果因条件限制无法恢复全部业务，应遵循“语音业务优先，实时业务优先”的原则进行处理。
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在创建BFD会话两端设备时，本地标识符和远端标识符需要分别Y应，即，本端的本地标识符与Y端的远端标识符相同，否则会话无法Y建立
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在防静电工作区内，静电敏感器件应严格按防静电操作规范进行，为了提高生产效率，非静电敏感器件则不必按防静电操作规范进行。
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在服务工作中不论遇到何种情况都不准顶撞、责备用户，不得Y用户流露出不满或不耐烦情绪，不得使用服务忌语；应忍耐克制，不与用户争辩。如发生服务现场不能解决的问题，应及时向主管负责人汇报，及时妥善处理
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在各种类型的网络中以环形网可靠性最高，也因此环形网得到广泛应用。
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在工作中不准接受客户的任何招待，不准利用工作之便索要或接受客户馈赠、报酬、回扣及各种名目的好处费。
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在光纤通信系统中可以采用光的频分复用的方法来提高系统的传输容量。
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在规模较大网络中，路由引入易引起路由环路问题，因此需要通过路由策略来实现路由环路避免。
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在将低速支路信号复用成STM-N信号时经过2个步骤：映射、 复用。
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在接入网中，如果全部由无源器件组成，不包括任何有源节点，则这种光接入网就是PON
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在进行PON网络测试时，利用光纤识别器可以发现光纤故障所在。
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在进行性能监视设置时，性能监视起始时间应设为与网元当前时间一致。
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在两纤双向复用段环中，最多可包括16个能参与复用段倒换的网元。
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在配置任何防火墙功能之前，都必须配置安全区域，才能针Y安全区域或者安全域间配置防火墙功能
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在设备接收端如果检测到J1字节失配，业务肯定会中断。
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在实现两个都做了QINQ 端口若要能够互通，需要两个端口的内外层vlan一样。
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在事故处理的过程中，维护人员可能要执行复位单板、重启系统等重大操作。为确保数据安全，在执行这些操作之前，维护人员应预先使用save命令将各种配置与业务数据保存到Flash中；保存成功后，使用config upload data命令将数据备份到TFTP加载目录下。
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在数图的匹配规则中，x.F表示在按完任意长度任意位数后加拨#号键。
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在数字通信中其可靠性指标是误码率和误比特率。
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在双纤双向复用段保护环中，拔掉某站SCC 板，该站业务无法实现复用段保护
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在下发GPON FTTB语音工单时，需要在ONU上完成相关的语音配置，包括语音端口的数据
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在信道上传送数字信号的通信系统称为数字通信系统。
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在星型拓扑结构中，单点故障不会影响全网
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在性能事件查询中，若某站只有支路出现误码，则可能采取的故障处理措施是，检查支路板与交叉板的配合，或更换支路板。
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在一个PON口下有多个ONU设备，其中有一个ONU的接收光功率为-9dbm,另外有一个ONU的接收光功率为-25dbm，这个PON口下 设备能正常开通。
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在一根光纤中实现两个方向光信号的同时传输，两个方向的光信号应安排在相同波长上。
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在以太网中ARP报文分为ARP Request和ARP Response，其中ARP Request是单播报文，ARP Response是广播报文。
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在以太网中交换机可以将网络分成多个冲突域，但不能将网络分成多个广播域。
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在用户电脑安装软、硬件（尤其安装网卡）之前，应当面开机检测，确认电脑无故障后在施工，以避免产生不必要的矛盾。
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在用网线测试仪测试交叉线的线路连通性的时候，两个主体的指示灯是同一序号的成Y亮，表示网线正常。
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在运送以及更换板卡时，不需考虑静电防护。
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在整个传送过程中，监控信道没有参与放大，但在每一个站点，都被终结和再生。
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在支持vlan disable的以太网交换机上配置了vlan disable后，该交换机将无法识别802.1Q报文而将其丢弃。
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在装机服务工作中，Y客户提出的要求（走线要求，施工时间），在符合规定、条件允许的情况下，应予满足；Y客户的不合理要求，应给予耐心解释并婉言拒绝；Y不清楚或没有把握回答、解决的问题，要以“客户满意就是我们的工作标准”为前提，做好解释工作，并尽快将解决方案或处理反馈给用户，绝Y不能当场承诺
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在组网距离较长段的中间，增加OLA站不可以解决收端的信噪比不够的问题。
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正在使用的微波炉可能会YWLAN信号产生干扰。
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只有OSI模型采用分层结构,其他模型都不采用分层结构
推荐试题
【单选题】
Such chemicals are indeed negatively ___ those humans to whom they are expose D.
A. risking
B. detecting
C. impacting
D. overwhelming
【单选题】
We regret for selling you the faulty product, and our company has agreed to ___ you by $500.
A. match
B. reverse
C. reward
D. compensate
【单选题】
This lecture taught me how to manage my time better to include my online studies in my busy ___.
A. schedule
B. outline
C. structure
D. responsibility
【单选题】
Generally speaking, an Irish person will not accept an offer straight away; he will ___ once or twice first before accepting it.
A. receive
B. decline
C. summarize
D. polish
【单选题】
There is every possibility that many species (物种) of animals will die out because of their disappearing food ___.
A. mode
B. source
C. pattern
D. foundation
【单选题】
As a college student, you should enjoy learning and get yourself ___ in those things that interest you.
A. concerned
B. devoted
C. involved
D. pursued
【单选题】
The name of Hitler (希特勒) has always been associated with war and ___ killing in the minds of those people who lived through World War Two.
A. imaginary
B. multiple
C. indispensable
D. massive
【单选题】
He works hard every day to make more money, but he ___ his health, time with his family, and the hobbies he once love D.
A. neglects
B. reminds
C. ceases
D. Declines
【单选题】
I asked a passenger sitting beside me if our train was the Westlake Express train, and he said he ___ of it.
A. not even heard
B. had not even heard
C. even not heard
D. ever had not heard
【单选题】
Whatever you say in the paper has to ___ your own thinking; hence simply repeating the professor’s opinions or whatever is in the readings will not get you very far.
A. ignore
B. arouse
C. reflect
D. release
【单选题】
We are sorry to know that they did not succeed ___ the project for lack of necessary funds.
A. to fulfill
B. to have fulfilled
C. in fulfilling
D. with fulfilling
【单选题】
It is surprising that fewer students were prepared to undertake the ___ to hand in written work on a regular basis, or to study over long periods.
A. engagement
B. commitment
C. authority
D. aspiration
【单选题】
Emily felt hurt and ___ by a close friend who had borrowed a considerable sum of money to pay for a house and then took it as a gift, never thinking of giving back the money.
A. conflicted
B. curbed
C. swollen
D. betrayed
【单选题】
In 1988 the old system was ___ in the country and a new system was introduced to take effect in 1990.
A. transmitted
B. abolished
C. assumed
D. compensated
【单选题】
We should not ___ ourselves to the classroom. We should go out of the classroom, see the world and talk to others as much as we can.
A. entertain
B. confine
C. assign
D. involve
【单选题】
I have always been grateful ___ Fred __the generous and helpful information when I was at the crossroads.
A. to … for
B. to … with
C. for … with
D. for … to
【单选题】
I think we both need to ___ the past, be happy about what we had for a time, learn from our experiences, and move on from there.
A. let go of
B. give authority to
C. make sense of
D. keep up with
【单选题】
My brother and I managed to ___ with each other and we soon made peace after a week’s quarrel.
A. heal
B. reconcile
C. respond
D. advocate
【单选题】
The two robbers in a stolen car tried to ___ a police roadblock (路障), but faile D.
A. break in
B. break off
C. break up
D. break through
【单选题】
Because of his long illness, Lee’s English level had dropped, but he was determined to ___ the other students by working harder.
A. put up with
B. catch up with
C. get along with
D. fill up with
【单选题】
We appreciate your efforts in making changes in your schedule and think that this new arrangement is now ___ to us.
A. agreeable
B. sustainable
C. portable
D. indispensable
【单选题】
The woman who died in a car crash last Saturday in the suburbs has been ___ as Kate Johnson, a 25-year-old office clerk.
A. justified
B. identified
C. notified
D. classified
【单选题】
My nephew failed in the College Entrance Examination, and we were all very sorry that he did not ___ to the university.
A. take it
B. get it
C. make it
D. succeed it
【单选题】
Almost half of that group will experience stress ___ enough to call for professional help.
A. tense
B. moderate
C. bearable
D. intense
【单选题】
If you grow too fast your entire economy could completely shut down and bring growth to a(n) ___.
A. halt
B. cease
C. peak
D. epidemic
【单选题】
I tried my best to drive inside in order to avoid the edges that might make me ___ the steep slope.
A. slip down
B. settle down
C. bring down
D. turn down
【单选题】
When the driver heard that there was a bomb on the bus, he immediately ___ to the side of the highway and radioed the police.
A. put out
B. took off
C. pulled over
D. slipped off
【单选题】
She was very ___ to become a manager in our customers’ office, but finally accepted our offer.
A. eager
B. intelligent
C. ridiculous
D. reluctant
【单选题】
In the race, it looked as if he would be the first, but then another young man who was close behind him put on speed and ___ by a few seconds.
A. beat him for it
B. beat him to it
C. beat him up
D. beat it to him
【单选题】
It is really helpful to have someone like you that we can ___ and count on during difficult times.
A. lean on
B. get to
C. hang on
D. get by
【单选题】
Women have a greater ability to ___ names with faces than men do, and they are also better at recalling lists.
A. associate
B. compare
C. engage
D. involve
【单选题】
He was always ready to help others and managed to ___ his friends ____being hurt.
A. expose … to
B. confine …to
C. restrict … from
D. shield … from
【单选题】
Older people are less likely to be ___ their negative emotions (情绪) and more likely to focus on the positive.
A. reserved for
B. caught up in
C. beat up to
D. counted on
【单选题】
I don’t have any bandage, so I have to ___ pressure to the wound to keep the bleeding down.
A. apply
B. involve
C. fulfill
D. establish
【单选题】
It is important that whichever candidate (候选人) is picked the loser should accept the defeat ___.
A. in advance
B. with great pride
C. with good grace
D. in large part
【单选题】
___ that new homes cost more than older homes, but that is not true across the country anymore.
A. It used to be
B. It is used to be
C. It used to being
D. It is used to being
【单选题】
The boss ___ his employees to work longer hours as the company is dreadfully short of staff at present.
A. called on
B. signed up
C. cared for
D. set up
【单选题】
The president’s visit and ___ discussions led to a plan that aimed to improve the trade relations between the two countries.
A. emerging
B. subsequent
C. consequent
D. Submerging
【单选题】
The author ___ his general idea mainly through statistics and results obtained from a survey (调查) about auto customer services in the United States.
A. assumes
B. engages
C. illustrates
D. represents
【单选题】
People in this town starved, several buildings were bombed and crime ___ because you had to steal to eat.
A. eroded
B. reflected
C. released
D. soared
