题目内容 (请给出正确答案)
[单选题]

() provides reliable, full-duplex connections and reliable service by ensuring that

A.TCP

B.ARP

C.UDP

D.IP

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更多“() provides reliable, full-dup…”相关的问题

第1题

Huawei provides a reliable platform. to connect different networks.()
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第2题

What are the characteristics of the process of documenting the layers of an existing network? ()

A. begins with gathering organizational input that may be inaccurate

B. begins with gathering organizational input that does not need to be supplemented by a network audit

C. requires a network audit to support some upgrade decisions

D. requires a network audit to support any network restructuring

E. provides reliable input for verifying network consistency

F. does not provide reliable input for designing changes

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第3题

As an experienced technician, you are responsible for Technical Support in your company. Y
ou ask one of the trainees to document the layers of an existing CIS network. Which three statements best characterize this process? ()(Choose three.)

A. It provides reliable input for verifying network consistency.

B. It requires a network audit to support some upgrade decisions.

C. It requires a network audit to support any network restructuring.

D. It begins with gathering organizational input that may be inaccurate.

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第4题

In the open systems interconnection (OSI) reference model, "layer" means one of seven conc

In the open systems interconnection (OSI) reference model, "layer" means one of seven conceptually complete,(71) arranged groups of services, functions, and protocols, that extend across all open systems.Application layer provides means for the application(72) to access the OSI environment. Presentation layer provides for the selection of a common syntax for representing data.(73) layer provides the means necessary for cooperating presentation entities to organize and synchronize their dialog and to manage their data exchange. Transport layer provides a reliable end-to-end data transfer service. Network layer provides for the entities in the transport layer the means for transferring blocks of data, by(74) and switching through the network between the open systems in which those entities reside. Data link layer provides services to transfer data between network layer entities. Physical layer provides the mechanical, electrical, functional, and procedural means to establish, maintain and(75) physical connections for transfer of bits over a transmission medium.

A.rankly

B.levelly

C.layered

D.hierarchically

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第5题

Mobile office is the mutual product of economic, scientific and social progress. Mobile of
fice has become a solution that provides users with convenient, prompt, safe, reliable and reasonably priced communications and office faculty anywhere anytime via the support of mobile interconnection platform. (MIP) and its applications systems.

When you leave your office to attend meetings or travel on business, what would happen to your business routine? Of course, faxes and e-mails would be still sent to your fax machine or e-mail box, but you cannot read them and make prompt reaction timely. When your clients need you to make some urgent modifications on your work and you are neither in the office nor carrying relevant documents, what can you do? Maybe you have to say "sorry" to the clients. But, your business will be affected, the clients will be unhappy and disappointed because of your delay, and you will lose a lot of business opportunities.

In fact, very frequently, you need to check, reply, distribute, display, modify or read some materials when you are not in your office. You must get out of this dilemma. The best solution to normally handle your-business anywhere anytime and not to disappoint your clients is to let your office "move" with you. Thus, you can have convenient, prompt, safe, reliable and reasonably priced communications and office faculty anywhere anytime. With the development of communications technology, network application and wireless interconnection, mobile office has become simpler and smaller, and even can be realized via one mobile phone with data communications function. Thus, mobile office has already been put into your pocket, and office mobility has been realized. Mobile office has provided people with convenient, casual working environment, but at the same time it still has some unsatisfactory aspects such as mismatching equipment interface and inadequate battery. Nevertheless, we believe that with technical progress, people can certainly overcome all kinds of difficulties. Mobile office will make your career successful, and will realize the dream of completely free communication. Users will enjoy more colorful life and better working environment, and users' living standard, working efficiency and even enterprises' production efficiency will certainly be immensely raised.

It can be inferred from the passage that______.

A.mobile office is the only way by which people could enjoy prompt and safe working environment

B.with the development of science, mobile office comes to our life inevitably

C.people had no convenient and reliable communications and office faculty before

D.mobile interconnection platform. and its application systems is the core of mobile office

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第6题

There are two common explanations for origin of tipping. The Oxford English Dictionary say
s tip was seventeenth-century underworld slang for “give” ———as in “Tip me your money or your life. ” Opponents of tipping will probably prefer this explanation, since it suggests the practice as originally a form. of robbery. A less reputable, but nonetheless charming explanation is that in Renaissance(文艺复兴) coffeehouses, boxes were set near the door, into which customers could drop money: These boxes, according to the story, bore the legend “To Insure Promptitude, ” which was ultimately shortened to TIP. Whether it was a serving woman or a boss with his or her eye on depressing wages who first thought up the idea, the story does not say.

Tipping became common in England by the middle of the eighteenth century. Because it is ill-suited to a country without an established servant class, it did not catch on in America until after the Civil War, when former slaveholders suddenly found themselves having to pay the help and when new-rich industrialists adopted the European fashion. By the turn of the century, we had made the custom our own, and the American “big tipper ” was on his way.

Today, although the lines between bribery(贿赂) and thanks for services remain as vague as ever, tipping has become universal, not least because, in an increasingly uncertain economy, it provides the growing service class with income that is at least as reliable as wages and that is less subject to tax review.

Not surprisingly, government officials as among the few die-hards who still question the tipping system. They have a point too. Tippers ’ International Association estimates that U.S. workers get about $5 billion a year in tips.

In the seventeenth century, tip was probably a word used by_____.

A.lawbreakers

B.customers

C.waitresses

D.coffeehouse bosses

Tipping did not become popular in U.S. until after the Civil War because______.A.the country was free of a servant class

B.former slaveholders did not want to pay the help

C.northern industrialists refused to adopt the European fashion

D.tipping was contradictory to the American custom

Tipping is universally accepted mainly because_______.A.it is an easy way to make money

B.it ensures people a good and prompt service

C.it enables the service class to be free from taxes

D.it supplies the service class with a sort of reliable income

Which of the following words can best describe the government officials ’ attitudes towards the tipping system?A.Positive.

B.Negative.

C.Doubtful.

D.Indifferent.

The passage is about_______.A.the origin of tipping

B.the practice of tipping in U.S

C.the popularity of tipping

D.the shaping of the tipping system

请帮忙给出每个问题的正确答案和分析,谢谢!

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第7题

In most cases, panel interviews were than those held by single interviewers.

A.more reliable

B.reliable

C.most reliable

D.least reliable

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第8题

_________[A] available [B] reliable [C] identifiable [D] suitable

_________

[A] available

[B] reliable

[C] identifiable

[D] suitable

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第9题

First impressions are not reliable, and they are easy to change.()
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第10题

A well-designed system should be(73)。 ①easily understood ②reliable ③straightforwa

A well-designed system should be(73)。

①easily understood

②reliable

③straightforward to implement

④straightforward to maintain

A.①②

B.①③④

C.②③④

D.①②③④

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