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Data can be（75) to another part of the spreadsheet. The original data remains.A．copied and

Data can be(75) to another part of the spreadsheet. The original data remains.

A．copied and pasted

B．cut and pasted

C．copied and cut

D．cut and moved

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更多“Data can be（75) to another par…”相关的问题

第1题

Because Web servers are platform. and application（71)，they can send or request data from l

Because Web servers are platform. and application(71)，they can send or request data from legacy or external application including database．All replies，once converted into(72)mark up language，can then be transmitted to a(73)．Used in this way，Intranets can(74)lower desktop support costs，easy links with legacy application and databases and，(75)all。ease of use．

(74)

A．coupled

B．dependent

C．independent

D．related

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第2题

Because Web servers are platform. and application （71) ，they can send or request data from

Because Web servers are platform. and application (71) ，they can send or request data fromlegacy or external application including database．All replies，once converted into (72) arkup language，can then be transmitted to a (73) ．Used in this way，Intranets can (74) lower desktop support costs，easy links with legacy application and databases and， (75) all，ease of use．

(62)

A．coupled

B．dependent

C．independent

D．related

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第3题

Because Web servers axe platform. and application（71), they can send or request data from

Because Web servers axe platform. and application(71), they can send or request data from legacy or external applications including databases. All replies, once converted into(72). mark-up language, can then be transmitted to a(73).Used in this way, Intranets can(74)lower desktop support costs, easy links with legacy applications and databases and,(75)all, ease of use.

A．coupled

B．dependent

C．independent

D．related

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第4题

is used to ensure the confidentiality, integrity and authenticity of the two end poin

ts in the private network.(72), an application-layer protocol, authenticates each peer in an IPsec transaction. IKE negotiates security policy, determining which algorithm may be used to set up the tunnel. It also handles the exchange of session keys used for that one transaction.Networks that use(73) to secure data traffic can automatically authenticate devices by using(74), which verify the identities of the two users who are sending information back and forth. IPsec can be ideal way to secure data in large networks that require(75) connections among many devices.

A．Certificate

B．Encryption

C．Tunnel

D．Presentation

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第5题

● An architectural style. defines as a family of such systems in terms of a （71） of struct

ural organization. More specifically, an architectural style. defines a vocabulary of （72）and connector types, and a set of （73） on how they can be combined. For many styles themay also exist one or more （74） that specify how to determine a system’s overall propertfrom the properties of its parts. Many of architectural styles have been developed over the yearThe best-known examples of （75） architectures are programs written in the Unix shell.

（71）

A. pattern

B. data flow

C. business process

D. position level

（72）

A. metadata

B. components

C. models

D. entities

（73）

A. functions

B. code segments

C. interfaces

D. constraints

（74）

A. semantic models

B. weak entities

C. data schemas

D. business models

（75）

A. event-based

B. object-oriented

C. pipe-and-filter

D. layered

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第6题

An architectural style. defines as a family of such systems in terms of a（71）of structura

l organization．More specifically, an architectural style. defines a vocabulary of （72）and connector types, and a set of （73） on how they can be combine

D. For many styles there may also exist one or more （74）that specify how to determine a system's overall properties from the properties of its parts．Many of architectural styles have been developed over the years.

The best-known examples of（75）architectures are programs written in the Unix shell.

（71）

A. pattern

B. data flow

C. business process

D. position level

（72）

A. metadata

B. components

C. models

D. entities

（73）

A. functions

B. code segments

C. interfaces

D. constraints

（74）

A. semantic models

B. weak entities

C. data schemas

D. business models

（75）

A. event-based

B. object-oriented

C. pipe-and-filter

D. layered

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第7题

根据下面的文字资料回答 71～75 题In the following essay，each blank has fourchoices．Choose th

e best answer and write down on thean，swer sheet．

Microwave communication uses（1 ）frequency radio waves that travel instraighdine sthroughthe air．Because the waves cannot（2 ）with the curvature of the earth，they can be （3 ）onlyover short distance．Thus，microwave is a good（4 ）for sending data between bulldingsin a city or on a large college campus．For longer distances，the waves must berelayed by means of“dishes”or（5 ）．These can be installed on towers，highbuildings，and mountain tops．

第71题：文中（1 ）处正确的答案是（）。

A．high

B．10w

C．1ong

D．short

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第8题

While the Internet is inherently insecure, businesses still need to preserve the privacy o

f data as it travels over the network. To help do that, the Internet Engineering Task Force an international group of network designers, operators, vendors, and researchers concerned with the evolution of(71)has developed a suite of(72)called Internet Protocol Security(IPSec).

IPSec creates a standard platform. to develop secure networks and electronic(73)between two machines. Secure tunneling via IPSec creates(74)connections in a network through which data packets can move. It creates these tunnels between remote users and within a local network. It also(75)each data packet in a new packet that contains the information neccessary to set up, maintain and tear down the tunnel when it's no longer needed.

A．channels

B．Web browser

C．Internet data

D．Internet architecture

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第9题

●Flow control is a function that prevents network congestion by ensuring that （71) do not

●Flow control is a function that prevents network congestion by ensuring that (71) do not overwhelm (72) with datA．There are three commonly used methods for handling network congestion ． (73) is used by network devices to temporarily store bursts of excess data in memory until they can be processed． (74) are used by receiving devices to help prevent their buffers from overflowing ． (75) is a flow-control scheme in which the source device requires an acknowledgment from the destination after a certain number of packets have been transmitted．

(71)~(72)A．transmitting devices

B．transmitted devices

C．receiving devices

D．received devices

(73)~(75) A．Buffer

B．Source-quench messages

C．Buffering

D．Windowing

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第10题

Although a given waveform. may contain frequencies over a very broad range，as a practical

matter any transmission system will be able to accommodate only a limited band of (71) ．This，in turn，limits the data rate that can be carried on the transmission (72) ．Asquare wave has an infinite number of frequency components and hence an infinite (73) ．However, the peak amplitude of the kth frequency component，kf，is only 1/k，so most of the (74) in this wavefonn is in the first few fiequency components．In general，any digitalwaveform. will have (75) bandwidth．If we attempt to transmit this waveform. as a signalover any medium，the transmission system will limit the bandwidth that can be transmitte

（71）

A．frequencies

B．connections

C．diagrams

D．resources

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