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A（74)is a type of bar chart that illustrates a project schedulA.It illustrates the sta

A__(74)__is a type of bar chart that illustrates a project schedul

A.It illustrates the start and finish dates of the terminal elements and summary elements of a project.

B.Gantt chart

C.project histogram

D.milestone chart

E.project flowchart

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更多“A__（74)__is a type of bar char…”相关的问题

第1题

● （74) is a contiguous，numbered set of variables of a given base type，which can be used an

● (74) is a contiguous，numbered set of variables of a given base type，which can be used and passed to functions as a unit.

(74) A．Record

B．Array

C．Parameter

D．File

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第2题

一间卧室a__ e __ __ o __ m（）

A.d, r, o

B.b, r, o

C.a, d, r

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第3题

●A management domain typically contains a large amount of management information. Each ind

ividual item of(71)information is an instance of a managed object type. The definition of a related set of managed (72) types is contained in a Management Information Base (MIB)module. Many such MIB modules are defined. For each managed object type it describes, a MIB(73) defines not only the semantics and syntax of that managed object type, but also the method of identifying an individual instance so that multiple (74) of the same managed object type can be distinguished. Typically, there are many instances of each managed object (75) within a management domain

(71) A．rotation

B．switch

C．management

D．transmission

(72) A．path

B．object

C．route

D．packet

(73) A．connection

B．window

C．module

D．destination

(74) A．packets

B．searches

C．states

D．instances

(75) A．device

B．state

C．type

D．packet

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第4题

The metriC assigneD to eaCh network DepenDs on the type of protoCol.Some simple protoCol,

like RIP, treats eaCh network as equals.The (71) of passing through eaCh network is the same;it is one (72) Count.So if a paCket passes through 10 network to reaCh the Destination, the total Cost is 10 hop Counts.Other protoCols, suCh as OSPF, allow the aDministrator to assign a Cost for passing through a network BaseD on the type of serviCe requireD.A (73) through a network Can have Different Costs(metriCs).For example, if maximum (74) is the DesireD type of serviCe, a satellite link has a lower metriC than a fiBer-optiC line.On the other hanD, if minimum (75) is the DesireD type of serviCe, a fiBer-optiC line has a lower metriC than a satellite line.OSPF allow eaCh router to have several routing taBle BaseD on the requireD type of serviCe.

（71）

A．numBer

B．ConneCtion

C．Diagram

D．Cost

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第5题

One of the difficulties in building an SQL,like query language for the Web is the absence

of a database(71) for this huge, heterogeneous repository of information. However, if we are interested in HTML documents only, we can construct a virtual schema from the implicit structure of these files. Thus, at the highest level of(72) , every such document is identified by its Uniform. Resource Locator(URL), has a(73) and a text. Also, Web servers provide some additional information such as the type, length, and the last modification date of a document. So, for data mining purposes, we can consider the set of all HTML documents as a relation:Document(url, title, text, type, length, modif)Where all the(74) are character strings. In this framework, an individual document is identified with a(75) in this relation. Of course, if some optional information is missing from the HTML document, the associate fields will be left blank, but this is not uncommon in any database.

A．schema

B．platform

C．module

D．relation

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第6题

●We have already covered the topic of network addresses. The first（71) in a block （in clas

●We have already covered the topic of network addresses. The first(71) in a block (in classes A,B,and C) defines the network address. In classes A,B,and C,if the hostid is all ls, the address is called a direct broadcast address. It is used by a (72) to send a packet to all hosts in a specific network. All hosts will accept a packet having this type of destination address. Note that this address can be used only as a (73)address in an lP packet. Note also that this special address also reduces the number of available hostid for each netid in classes A,B,and C.

In classes A,B,and C,an address with all Is for the netid and hostid (32 bits) defines a(74) address in the current network.A host that wants to send a message to every other host can use this address as a destination address in an IP packet. However,a router will block a packet having this type ofaddress to confine the broadcasting to the (75) network. Note that this address belongs to class E.

(71) A.datagram

B.function

C.address

D.service

(72) A.router

B.switch

C.hub

D.firewall

(73)A.source

B.destination

C.local

D.remote

(74) A.unicast

B.multicast

C.broadcast

D.anycast

(75) A.neighbor

B.next

C.remote

D.local

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第7题

In data communication, data link is those parts of two data terminal equipments that are c

ontrolled by a protocol along with the(71) data circuit, which together enable data(72). So-called protocol means, in short, a set of rules that determines the behavior. of functional units in achieving communication.Data circuit, however, consists of a pair of(73) transmission channels that provides a means of two-way data transmission. Between data switching exchanges, the data circuit may or may not include data circuit-terminating equipment (DCE), depending on the type of(74) used at the data switching exchange. Between a data station and a data switching exchange or data concentrator, the data circuit includes the DCE at the data station end, and may include equipment(75) to a DCE at the data switching exchange or dam concentrator location.

A．handshaking

B．interconnecting

C．linkage

D．joining

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第8题

●Most computer systems are （71) to two different groups of attacks:Insider attacks and out

●Most computer systems are (71) to two different groups of attacks:Insider attacks and outsider attacks． A system that is known to be (72) to an outsider attack by preventing (73) from outside can still be vulnerable to the insider attacks accomplished by abusive usage of (74) users． Detecting such abusive usage as well as attacks by outsides not only provides information on damage assessment, but also helps to prevent future attacks． These attacks are usually (75) by tools referred to as Intrusion Detection Systems．

(71) A．vulnerable

B．week

C．sensitively

D．helpless

(72) A．reliable

B．secure

C．indestructible

D．steady

(73) A．visit

B．access

C．I/O

D．read/write

(74) A．power

B．rights

C．authorized

D．common

(75) A．searched

B．checked

C．tested

D．detected

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第9题

Rapid advances in computer and communication technologies have resulted in the（71)merger o

Rapid advances in computer and communication technologies have resulted in the(71)merger of these two fields. The lines have bluned among computing, switching, and digital transmission equipment, and the same digital techniques are being used for data, voice, and image transmission. Merging and evolving technologies, coupled with increasing demands for efficient and timely collection, processing, and(72)of information, are leading to the development of(73)that transmit and process all types of datA. The ultimate goal of this evolution is something its proponents-some of the most powerful forces in the computing and telecommunications industries-call the(74). The(74)will be a worldwide public telecommunications network that will deliver a wide variety of services. The(74)will be defined by the standardization of user interfaces, and will be implemented as a set of digital switches and paths supporting a broad range of traffic types and providing(75)processing servicess. Inpractice, there will be multiple networks, implemented within national boundaries, but from the user's point of view there will be a single, uniformly accessible worldwide network.

A．decreasing

B．increasing

C．collective

D．single

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第10题

● Every valid character in a computer that uses even（71） must always have an even number o

● Every valid character in a computer that uses even （71） must always have an even number of1bits.

（71）A. parity B. check C. test D. compare

● The maximum number of data that can be expressed by 8 bits is （72） .

（72）A. 64 B. 128 C. 255 D. 256

● Integration （73） is the process of verifying that the components of a system work together as described in the program design and system design specifications.

（73）A. trying B. checking C. testing D. coding

● GIF files are limited to a maximum of 8 bits/pixel, it simply means that no more than 256 colors are allowed in （74） .

（74）A. an image B. a file C. a window D. a page

● Computer （75） is a complex consisting of two or more connected computing units, it is used for the purpose of data communication and resource sharing.

（75）A. storage B. device C. network D. processor

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