计算机专业英语

计算机专业英语
计算机专业英语

1、https://www.360docs.net/doc/f87719805.html, is the ________ model for .NET-based applications. (data access)

A、data mining

B、data achieve

C、data process

D、data access

2、____________, such as those supplied for OLE DB and ODBC, allow you to use d ata libraries designed for earlier data access technologies.

A、Bridge providers

B、Native providers

C、D、

3、__________, such as the SQL Server and Oracle providers, typically offer perfo rmance improvements due, in part, to the fact that there is one less layer of abstraction.

A、Native providers

B、Bridge providers

C、D、

4、if we want to retrieve data from the database with SQL,we should use the comand of

A、sel_ect

B、upd_ate

C、del_ete

D、ins_ert

5、In SQL,______causes an object (a table, for example) to be created within the dat abase.

A、ALTER

B、drop

C、create

D、TRUNCATE

第二题、多项选择题(每题2分,5道题共10分)

1、Database connection ________ allows an application to reuse an existing connecti on from a pool instead of repeatedly establishing a new connection with the database.

A、pooling

B、pond

C、connection

D、link

2、Security is usually enforced through __________________.

A、data storing

B、auditing

C、encryption

D、access control

E、data retrieving

3、https://www.360docs.net/doc/f87719805.html, relies on the services of .NET data providers.There are

A、Connection

B、Command

C、DataReader

D、Data Adapter

4、The core of SQL is formed by a command language that allows the ________ and per forming management and administrative functions.

A、retrieval of data

B、ins_ertion of data

C、updating of data

D、deletion of data

E、process of data

5、The types (classes, structs, enums, and so on) associated with each .NET data provider a re located in their own namespaces are:

A、System.Data.SqlClient. Contains the SQL Server .NET Data Provider

types.

B、System.Data.OracleClient. Contains the Oracle .NET Data Provider

C、System.Data.OleDb. Contains the OLE DB .NET Data Provider types.

D、System.Data.Odbc. Contains the ODBC .NET Data Provider types.

E、System.Data. Contains provider-independent types such as the DataS

et and DataTable.

第三题、判断题(每题1分,5道题共5分)

1、DBMS are categorized according to the database model that they support.

正确错误

2、A computer database relies upon DBMS to organize the storage of data.

正确错误

3、All of these databases can not take advantage of indexing to increase their speed.

正确错误

4、Database security denotes the system, processes, and procedures that protect a database software from unintended activity.

正确错误

5、Enforcing security is one of the major tasks of the DBA.

正确

第一题、单项选择题(每题1分,5道题共5分)

1、A ________ is a set of rules that controls the interaction of different devices in a network or internetwork.

A、model

B、protocol

C、dialog

D、query

2、A(n) ________ is a connecting device that only regenerates the signal.

A、hub

B、repeater

C、router

D、switch

3、Whereas a repeater operates only in the physical layer of the OSI model, a bridge operat es in both the physical layer and the ________ layer of the OSI model.

A、Transport Layer

B、Network Layer

C、data-link

D、Physical Layer

4、A(n) ________ is usually a computer installed with the necessary software and al lows two networks, each with a completely different set of protocols, to communicate.

A、hub

B、gateway

C、switch

D、router

5、The distinction between the two terms gateway and ________ is disappearing. They are now used interchangeably.

A、hub

B、router

C、swtich

D、gateway

第二题、多项选择题(每题2分,5道题共10分)

1、The equipment ______.

A、manipulates digital information internally in serial form

B、manipulates digital information internally in word units

C、transfers the number of bits in parallel

D、transfers the number of bits in serial form

2、DTE is ______.

A、Digital T-carrier

B、data terminal equipment

C、satellite

D、the last piece of equipment that belonged to the subscriber in a d

ata link system

3、There are AB_ between the DTEs.

A、the modem

B、communications equipment

C、digital-to-analog converter

D、will be replaced by an upd_ated standard

4、__________ provides transparent transfer of data between end users, providing reliable data transfer services to the upper layers.

A、The Transport Layer

B、Session Layer

C、Presentation Layer

D、Application Layer

正确错误

TCP means it is on the network layer and IP means it is on the transport layer separatel

正确错误

The four topologies in common use are star, router, ring and hub.

正确错误

Three techniques have been adopted for use of the medium access control in the LANs.

正确错误

Control token is the only way of controlling access to a shared transmission medium.

正确错误

A B

C D

To access a page on the WWW, one needs a ________

A B

C D

3、_____ is an architectural framework.

A、http

B、www

C、ftp

D、dns

4、_____ is built around hypertext and hypermedia.

A、DNS

B、HTTP

C、The Web

D、FTP

5、__________is a network protocol used to transfer data from one computer to ano ther through a network such as the Internet.

A、SMTP

B、Http

C、DNS

D、FTP

第二题、多项选择题(每题2分,5道题共10分)

1、Hypermedia include ( )

A、sounds

B、video clips

C、text

D、flash

E、vidoe

F、images

2、The World Wide Web also subsumes previous Internet information systems such as ( ).

A、Gopher

B、Telnet

C、FTP

D、Ftp

3、The Internet carries various information resources and services, such as ______________________________ and the inter-linked hypertext documents

A、electronic mail

B、online chat

C、file transfer

D、file sharing

E、online gaming

F、talking

4、The World Wide Web is a huge set of ________, linked by hyperlinks and URLs.

A、interlinked documents

B、images

C、flash

D、all kinds of data

E、pages

5、The web browsers which is normal used, such as________________.

A、Internet Explorer

B、Firefox

C、Apple Safari

D、Opra

E、ICQ

第三题、判断题(每题1分,5道题共5分)

1、Because the Internet is made up of many diverse computers, so together they work like on

e world-wide computer system.

正确错误

2、The World Wide Web ties the information together into a big collection of interactive mu ltimedia resources.

正确错误

3、The surfing is you can sel_ect paths to browse online resource.

正确错误

If a person read a hypermedia document about mobile phones, then he might sel

正确错误

Previously the Web provides a wealth of additional capabilities.

正确错误

A B

C D

According to Intel,there are _____________

A B

C D

A companyˊs ability to deploy and support customer-oriented

A B

C D

4、When most people think of opening a Web business,the first thing that springs to mind is selling products or ____________online.

A、quality

B、services

C、consciousness

D、

5、A Web site is often more effective as a(n) _______ tool than a selling tool.

A、Politic

B、Technical

C、Marketing

D、Electronical

第二题、多项选择题(每题2分,5道题共10分)

1、which is the type of electronic commerce in the following choice

A、B2B

B、B2C

C、C2C

2、Electronic commerce that is conducted between businesses is referred to as business-to-b usiness or

A、C2C

B、C2B

C、B2B

D、e-commerce

3、Electronic commerce that is conducted between businesses and consumers, on the other han d, is referred to as

A、B2C

B、C2C

C、B2B

D、e-commerce

4、Electronic commerce may be defined as the entire set of processes that suport _____________activities on a(n) ________ and involve information analysis.

A、commercial,network

B、society,human

C、personal,society

5、Electronic payments include ___________________.

A、digital currencies

B、credit card payments

C、electronic checks

D、cash payment

第三题、判断题(每题1分,5道题共5分)

1、Online shopping is the process consumers go through to purchase products or services ove r the Internet.

正确错误

2、In general, shopping has always catered to middle class and upper class women.

正确错误

3、Electronic money is also called digital cash or electronic token

正确错误

4、Online content providers make money in two ways:advertisements and selling.

正确错误

5、Designers of online shops should consider the effects of information load.

正确错误

A B

C D

Anti-Virus protects your computer from viruses by

A B

C D

3、A virus is a _________ .

A、beast

B、computer

C、bad man

D、program

4、In 2000, the number of viruses topped ( ).

A、500

B、1000

C、7500

D、50000

5、The Whale will create ( ) different versions of itself when it infects files.

A、30

B、31

C、32

D、33

第二题、多项选择题(每题2分,5道题共10分)

1、( )is a type of executable file .

A、COM file

B、TXT file

C、JPG file

D、EXE file

2、Similar to viruses, you can also find malicious code in ( ).

A、Trojan Horses

B、worms

C、logic bombs

D、Microsoft Word Documents

3、( ) maybe a certain cause that some viruses infect upon.

A、a day

B、a time

C、an external event on your PC

D、a counter within the virus

4、If a virus simply reproduce and have no cause for an attack phase, but it will still ( ) without your permission.

A、stealing storage

B、pilfer CPU cycles

C、del_ete files

D、play music

5、which is the threat to computer security in the following choices ?

A、Computer Criminals

B、Computer Crime

C、earthquake

D、Human Errors

第三题、判断题(每题1分,5道题共5分)

1、Computer security is a branch of technology known as information security as applied to computers.

正确错误

2、Michelangelo is a file sector.

正确错误

3、Computer virus is remote from us.

正确错误

4、Computer virus may affect the your phisical health .

正确错误

5、The author thinks that understanding how an attacker approaches your computer system can help you protect it

正确错误

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