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You are designing a strategy to allow internal users in Dallas to resolve domain names. What are three possible ways to achieve the goal？（）
A . Configure the internal DNS server to have a root zone.
B . Configure the Dallas DNS server to use the default root hints.
C . Configure the Dallas DNS server to forward all request for the external namespace to the external DNS server.
D . Create a caching-only DNS server on the perimeter network.
E . Create a stub zone for the external namespace on the Dallas DNS server.
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You are designing a strategy to allow internal users in Dallas to resolve domain names. What are three possible ways to achieve the goal?（）
A . Configure the internal DNS server to have a root zone.
B . Configure the Dallas DNS server to use the default root hints.
C . Configure the Dallas DNS server to forward all request for the external namespace to the external DNS server.
D . Create a caching-only DNS server on the perimeter network.
E . Create a stub zone for the external namespace on the Dallas DNS server.
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Which three options are valid ways to filter routes from a BGP peer？（）
A . filter-list
B . inbound ACL
C . route-map
D . outbound ACL
E . prefix-list
F . neighbor 10.0.0.1 deny-map my-map command
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For delay sensitive traffic， what are the three best ways that are used to prevent packet loss？ （）
A . Compress payload.
B . Use header compression.
C . Increase link capacity.
D . Use random early detection.
E . Guarantee bandwidth to fragile flows.
F . Implement network-based application recognition.
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How many ways are there to make room reservations?
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Repetition, acronyms and visual aids are three ways to help listener remember key information.
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There are many artificial ways of causing sleep, but to the author, they are alike in their ineffectuality.
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There are two common ways to end an abstract with:
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What are the three ways to cook the hamburger patties?
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What are the three ways to create powerful descriptive language?
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There are many ways to organize informative speeches about events. If your goal is to recount the history of an event, you would most likely arrange the speech in _______ order.
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Generally, there are various ways to start an essay, including（ ）.
A、stating your thesis briefly and directly
B、posing a question related to your subject and then answer it
C、presenting your thesis as a recent discovery or revelation
D、opening with a riddle, joke, or humorous quotation, and show how it reveals something about your subject
E、sharing with your reader something engaging, like an anecdote
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There are three ways to pay the tickets.
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How many ways can be used to signal the stressed syllables?There are three ways to signal the stressed syllables: lengthen it, say it louder with clear vowel and raise the pitch.
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I offered my und______ for those staff with the heavy workload to deal with, but I know for sure that there are no ways to help them at the present.
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When decide what kind of script. to teach, there are mainly three styles, namely, printing, simple cursive, and ____.
A. full cursive
B. complex cursive
C. running hand
D. clerical script
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There are various ways in which individual economic units can interact with one another. Three basic ways may be described as the market system, the administered system and the traditional sys tem.
In a market system individual economic units are free to interact among each other in the market place. It is possible to buy commodities from other economic units or sell commodities to them. In a market, transactions may take place via barter or money exchange. In a barter economy, real goods such as automobiles, shoes, and pizzas are traded against each other. Obviously, finding somebody who wants to trade my old car in exchange for a sailboat may not always be an easy task. Hence, the introduction of money as a medium of exchange eases transactions considerably. In the modern mar ket economy, goods and services are bought or sold for money.
An alternative to the market system is administrative control by some agency over all transactions. This agency will issue edicts or commands as to how much of each goods and service should be produced, exchanged, and consumed by each economic unit. Central planning may be one way of ad ministering such an economy. The central plan, drawn up by the government, Shows the amounts of each commodity produced by the various firms and allocated to different households for consumption. This is an example of complete planning of production, consumption, and exchange for the whole economy.
In a traditional society, production and consumption patterns are governed by tradition: parent age, religion, and custom fix every person' s place within the economic system. Transactions take place on the basis of tradition, too. People belonging to a certain group or caste may have an obligation to care for other persons, provide them with food and shelter, care for their health, and provide for their education. Clearly, in a system where every decision is made on the basis of tradition alone, progress may be difficult to achieve. A stagnant society may result.
What is the main purpose of the passage？
A．To outline contrasting types of economic systems.
B．To explain the science of economics.
C．To argue for the superiority of one economic system.
D．To compare barter and money-exchange markets.
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There are three options to solve the problem．Frank's option is
A．to close the Park completely．
B．to keep it open on a much reduced scale．
C．to go on managing it．
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There are different ways in which people try to deal with the problem of energy. One way is the greater production of common energy sources, such as coal, oil and gas. The trouble with these sources, however, is that they are not renewable.
Another way is energy conservation (节能 ), which means using energy more efficiently (有效地 ). In some very cold countries people build special houses to save energy. They place materials between the inside and the outside of the walls of the house to keep the cold out and the warmth in. The house is heated by the lights, the body heat of the people and the other equipment in it.
Finally, renewable energy sources are used even though they are often expensive to develop. One form. of these is geothermal energy. In certain parts of the world the temperature of the earth increases thirty degrees centigrade with each kilometer down. At six kilometers, therefore, it rises to nearly two hundred degrees. To get the heat, water is pumped (压;抽 ) down into the rocks and back up to the surface. Heat from the earth is already used in certain countries.
1、How many ways of dealing with the energy problem are discussed in the text？ ()
A、Two.
B、Three.
C、Four.
D、Five.
2、From the text we learn that coal().
A、is quite easy to produce
B、is not used most efficiently
C、is the most common source of energy
D、could be renewed only by new technology
3、The writer tells about the "special houses" because they().
A、show the excellent skills of the builders
B、serve as an example of energy conservation
C、are heated by different sources of energy
D、are warmer than other types of houses
4、The underlined words "geothermal energy" in the third paragraph mean ().
A、renewable source
B、 underground source
C、 heat inside the earth
D、 temperature of the earth
5、At a place where the surface temperature is 15°C, how deep do you have to dig so as to get a temperature of 75 °C ？ ()
A、One km.
B、 Two km.
C、 Three km.
D、 Four km
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Consonants are formed by interrupting, narrowing or diverting the airflow in a variety of ways. There are three ways of classifying the English consonant sounds: __________ of articulation, manner of
A．place
B．obstruction
C．aspiration
D．vibration
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According to Aristotle, the Greek philosopher, there are three basic ways to persuade your audience:_（the ethical appeal that is based on the character, credibility, or reliability of the writer）,_（th
A．logos, ethos, pathos
B．ethos, logos, pathos
C．pathos, logos, ethos
D．pathos, ethos, logos
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There are different ways to perform IP based DoS Attacks. The most common IP based DoS attack is that an attacker sends an extensive amount of connection establishment（）（e.g. TCP SYN requests） to est
A．or
B． of
C． in
D． to
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MIDI enables people to use （）computers and electronic musical instruments. There are actually three components to MIDI, the communications"（请作答此空）", the Hardware interface and a distributio
A．device
B． protocol
C． network
D． controller
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There are many different ways of presenting grammar in the classroom. Among them, three are most frequently used and discussed. Which one does not be|ong to them？
A、The deductive method.
B、The inductive method.
C、The guided discovery method.
D、The productive method.
