● （73） is the first line of protect between your computer and the public Internet.（73）A. The Internet protocolB. The firewallC. The anti-virus softwareD. The intrusion-detection systems

题目

● （73） is the first line of protect between your computer and the public Internet.

（73）

A. The Internet protocol

B. The firewall

C. The anti-virus software

D. The intrusion-detection systems

相似考题

1.A Web （73） is one of many software applications that function as the interfacebetween a user and the Internet.（73）A. displayB. browserC. windowD. view

2.● A Web ___(73)___ is one of many software applications that function as the interfacebetween a user and the Internet.(73)A. display B. browser C. window D. view

3.Stack is quite simple. Many computer systems have stacks built into their circuitry. They also have machine-level instructions to operate the hardware stack. Stack is(73)in computer systems.A．uselessB．not importantC．simple but importantD．too simple to be useful

4.Firewall is a （74） mechanism used by organizations to protect their LANs from the Internet.（74）A. reliableB. stableC. peacefulD. security

更多“● （73） is the first line of protect between your computer and the public Internet.（73）A. The Internet protocolB. The firewallC. The anti-virus softwareD. The intrusion-detection systems”相关问题

  • 第1题：

    （ ）is the first line of protect between your computer and the public Internet.

    A.The Internet protocolB.The firewallC.The anti-virus software D.The intrusion-detection systems


    正确答案：B

  • 第2题：

    Computer hardware engineers research, design, develop, and test computer hardware and supervise its manufacture and(73). Hardware refers to computer(74), circuit boards, computer systems, and related equipment such as keyboards, modems, and printers.

    A．fixing

    B．building

    C．setting

    D．installation


    正确答案：D

  • 第3题：

    Basically, a(71)is a standalone process or a set of integrated processes that runs on a router or server to control the flow of(72)application traffic(73)through it. Typically, firewalls are(74)on the entry point to a public network such as the Internet. They could be considered traffic cops. The firewall' s(75)is to ensure that all communication between an organization's network and the Internet conform. to the organization's security policies.

    A．router

    B．client

    C．firewall

    D．switch


    正确答案：A

  • 第4题：

    One of the basic rules of computer security is to change your(73)regularly．

    A．name

    B．computer

    C．device

    D．password


    正确答案：D
    解析：计算机安全性的基本规则之一是定期改变您的口令。

  • 第5题：

    You install a new hardware router that provides wireless network connectivity between your computer and the Internet. You connect to the router by using a wireless network adapter.Your computer is able to access the Internet but is unable to discover other computers in the local wireless network.You need to configure the wireless connection to allow your computer to discover other computers.What should you do?（）

    A.A

    B.B

    C.C

    D.D


    参考答案：A

  • 第6题：

    The main feature of(72)is that they follow a first-come/first-served rule. For instance, the line of(73)waiting to be run on a computer system.

    A．looplinks

    B．queues

    C．stacks

    D．trees


    正确答案：B
    解析：译文：队列的主要特征是遵循先采先服务的原则。例如，计算机中等待运行的作业形成一个队列。

  • 第7题：

    ● The most important program on any computer is （73） .

    （73）

    A. Office 2000

    B. Virus

    C. software

    D. Operating System


    正确答案：D

  • 第8题：

    共用题干
    第三篇

    Internet shopping is a new way of shopping. Nowadays,you can shop for just about anything from your armchair. All you need is a computer which is linked to the Internet. Shopping on the Internet is becoming increasingly popular. In the United States,people spent over$2.5 billion on Internet shopping in 1998.This figure is expected to reach $11 billion by the year 2004.
    People can shop for a variety of products on the Internet. Physical products include items such as books,CDs,clothes and food.These types of products are the most common purchases through the Internet. You can also buy information products such as on-line news or magazine stories,or you can download computer software through the Internet. Services such as booking airline tickets,reserving hotels or renting cars are also available on the Internet. You can also go shopping on the Internet for entertainment services and take part in on-line games.
    Internet shopping offers a number of benefits for the shopper. The most important advantage is convenience.You can shop whenever you like as the on-line shops are open 24 hours a day and you don't have to queue with other shoppers at the check-out counters.Secondly,it is easy to find what you are looking for on the Internet. Even out-of-print books may be ordered on line.Finally,it is often cheaper to buy goods through the Internet,and you can tell the shop exactly what you want.
    The main disadvantage of Internet shopping is that you cannot actually see the products you are buying or check their quality.Also,many people enjoy shopping in the city and miss the opportunity to talk to friends.Some people are worried about paying for goods using credit cards,so Internet companies are now finding ways to make on-line payment safe.
    Internet shopping is sure to become more and more popular in the years ahead.It promises to change the way we buy all kinds of things一from tonight's dinner to a new car.

    The disadvantages of Internet shopping include all of the following EXCEPT that_______.
    A:customs cannot actually see the products they are buying
    B:customs cannot check the product's quantity they are buying
    C:many people enjoy shopping in the city and miss the opportunity to talk to friends
    D:some people are worried about paying for goods using credit cards

    答案：B
    解析：
    细节题。文章第二段阐述了网上购物的种类，不仅可以买到诸如书本、CD、衣服等实物产品，还可以买到在线新闻、杂志、软件等信息产品，甚至还有娱乐服务和游戏等。其中提到了“You can also buy information products such as on-line news or magazine stories, or you can download computer software through the Internet.”即on-line news and magazine stories 属于 information products，所以选D。
    细节题。第三段第一、二句话“Internet shopping offers a number of benefits for the shopper.The most important advantage is convenience.”即最大的优势是便利。
    细节题。第四段提到了网上购物的主要缺点，包括：不能看到实物并检查质量，排除A；不能享受购物乐趣，排除C;使用信用卡的不安全性，排除D。选项B意为“顾客不能检查所购商品的数量”，文中提到的是不能检查商品的质量，所以符合题意。
    主旨题。文章中作者围绕网络购物，阐述了网上购物的种类及其优缺点，并对其未来进行展望。所以正确答案应该是D。选项B、C都只是文章的一个方面；选项A过于宽泛。
    态度题。文章最后一段说“Internet shopping is sure to become more and more popular in the years ahead .It promises to change the way we buy all kinds of things一from tonight's dinner to a new car.”可以看出，作者对网上购物的未来持乐观态度（optimistic )。

  • 第9题：

    共用题干
    第三篇

    Internet shopping is a new way of shopping. Nowadays,you can shop for just about anything from your armchair. All you need is a computer which is linked to the Internet. Shopping on the Internet is becoming increasingly popular. In the United States,people spent over$2.5 billion on Internet shopping in 1998.This figure is expected to reach $11 billion by the year 2004.
    People can shop for a variety of products on the Internet. Physical products include items such as books,CDs,clothes and food.These types of products are the most common purchases through the Internet. You can also buy information products such as on-line news or magazine stories,or you can download computer software through the Internet. Services such as booking airline tickets,reserving hotels or renting cars are also available on the Internet. You can also go shopping on the Internet for entertainment services and take part in on-line games.
    Internet shopping offers a number of benefits for the shopper. The most important advantage is convenience.You can shop whenever you like as the on-line shops are open 24 hours a day and you don't have to queue with other shoppers at the check-out counters.Secondly,it is easy to find what you are looking for on the Internet. Even out-of-print books may be ordered on line.Finally,it is often cheaper to buy goods through the Internet,and you can tell the shop exactly what you want.
    The main disadvantage of Internet shopping is that you cannot actually see the products you are buying or check their quality.Also,many people enjoy shopping in the city and miss the opportunity to talk to friends.Some people are worried about paying for goods using credit cards,so Internet companies are now finding ways to make on-line payment safe.
    Internet shopping is sure to become more and more popular in the years ahead.It promises to change the way we buy all kinds of things一from tonight's dinner to a new car.

    The most proper title for this passage is"_______".
    A:People Enjoy Many Ways of Shopping
    B:The Advantages and Disadvantages of Internet Shopping
    C:The Bright Future of Internet Shopping
    D:A New Way of Shopping一Internet Shopping

    答案：D
    解析：
    细节题。文章第二段阐述了网上购物的种类，不仅可以买到诸如书本、CD、衣服等实物产品，还可以买到在线新闻、杂志、软件等信息产品，甚至还有娱乐服务和游戏等。其中提到了“You can also buy information products such as on-line news or magazine stories, or you can download computer software through the Internet.”即on-line news and magazine stories 属于 information products，所以选D。
    细节题。第三段第一、二句话“Internet shopping offers a number of benefits for the shopper.The most important advantage is convenience.”即最大的优势是便利。
    细节题。第四段提到了网上购物的主要缺点，包括：不能看到实物并检查质量，排除A；不能享受购物乐趣，排除C;使用信用卡的不安全性，排除D。选项B意为“顾客不能检查所购商品的数量”，文中提到的是不能检查商品的质量，所以符合题意。
    主旨题。文章中作者围绕网络购物，阐述了网上购物的种类及其优缺点，并对其未来进行展望。所以正确答案应该是D。选项B、C都只是文章的一个方面；选项A过于宽泛。
    态度题。文章最后一段说“Internet shopping is sure to become more and more popular in the years ahead .It promises to change the way we buy all kinds of things一from tonight's dinner to a new car.”可以看出，作者对网上购物的未来持乐观态度（optimistic )。

  • 第10题：

    A router that performs Network Address Translation （NAT） is installed between your computer and the Internet.  The router fails. You connect the computer directly to the Internet.  You need to ensure that the computer is connected to the Internet in the most secure manner possible.  What should you do？（）

    • A、Enable the Remote Desktop feature in the System Properties dialog box.
    • B、Configure the network category of your network connection to Public.
    • C、Configure the network category of your network connection to Private.
    • D、Enable the Windows Collaboration Computer Name Registration Service exception in Microsoft Windows Firewall.

    正确答案:B

  • 第11题：

    You install a new hardware router that provides wireless network connectivity between your computer and the Internet. You connect to the router by using a wireless network adapter. Your computer is able to access the Internet but is unable to discover other computers in the local wireless network.  You need to configure the wireless connection to allow your computer to discover other computers.  What should you do？（）

    • A、Configure the network category of your wireless network connection to Private.
    • B、Configure the network category of your wireless network connection to Public.
    • C、Configure the TCP/IP packet filtering on the wireless network connection.
    • D、Configure the wireless network connection with the appropriate authentication to the router.

    正确答案:A

  • 第12题：

    单选题
    Your company security policy does not allow you to connect your servers directly to the internet. You would like to utilize some of theYour company？ security policy does not allow you to connect your servers directly to the internet. You would like to utilize some of the functionality in Solaris 10 to analyze your systems for available OS updates， and also download and install those updates from Sun Microsystems.  Which answer describes how to utilize this functionality to analyze your systems for available OS updates， and also download and install those updates without connecting your server directly to the internet？ （）
    A

    A

    B

    B

    C

    C

    D

    D


    正确答案： C
    解析： 暂无解析

  • 第13题：

    ● (73) provides a data path between the CPU and external devices.

    (73)

    A. Keyboard

    B. I/O port

    C. Disk

    D. Printer


    正确答案：B

  • 第14题：

    ● The program and the data are kept inside the computer in a place called

    (73) .

    (73)

    A. bus

    B. cache

    C. CPU

    D. memory


    正确答案：D

    试题（73）参考译文
    在计算机中存放程序和数据的地方称为内存。
    参考答案
    （73）D

  • 第15题：

    Personal firewall is a technology that helps(66)intruders from accessing data on your PC via the Internet or another network, by keeping(67)data from entering or exiting your system.

    Hackers do not just target national security organizations for(68): They want your tax returns, network passwords, or bank account numbers. And you do not want the FBI kicking in your door because someone hijacked your PC to(69)in the latest denial-of-service attack on the Internet. Now that "always-on" broadband connections such as cable modems and digital subscriber line are becoming more popular, home users are at risk. Fortunately, you can protect your data. Firewalls can block(70)attacks and protect your PC from outside threats.

    A．allow

    B．prevent

    C．invite

    D．get


    正确答案：B

  • 第16题：

    Without systems software, application software in a computer is(73)

    A．nouse

    B．useful

    C．useness

    D．useless


    正确答案：D
    解析：如果没有系统软件，计算机中的应用软件毫无用处。

  • 第17题：

    A router that performs Network Address Translation (NAT) is installed between your computer and the Internet.The router fails. You connect the computer directly to the Internet.You need to ensure that the computer is connected to the Internet in the most secure manner possible.What should you do?（）

    A.A

    B.B

    C.C

    D.D


    参考答案：B

  • 第18题：

    ● One of the basic rules of computer security is to change your（73） regularly.

    （73）

    A. name

    B. computer

    C. password

    D. device


    正确答案：C

  • 第19题：

    ● Stack is quite simple. Many computer systems have stacks built into their circuitry. They also have machine-level instructions to operate the hardware stack. Stack is （73）in computer systems.

    （73）

    A．useless

    B．not important

    C．simple but important

    D．too simple to be useful


    正确答案：C

  • 第20题：

    共用题干
    第三篇

    Internet shopping is a new way of shopping. Nowadays,you can shop for just about anything from your armchair. All you need is a computer which is linked to the Internet. Shopping on the Internet is becoming increasingly popular. In the United States,people spent over$2.5 billion on Internet shopping in 1998.This figure is expected to reach $11 billion by the year 2004.
    People can shop for a variety of products on the Internet. Physical products include items such as books,CDs,clothes and food.These types of products are the most common purchases through the Internet. You can also buy information products such as on-line news or magazine stories,or you can download computer software through the Internet. Services such as booking airline tickets,reserving hotels or renting cars are also available on the Internet. You can also go shopping on the Internet for entertainment services and take part in on-line games.
    Internet shopping offers a number of benefits for the shopper. The most important advantage is convenience.You can shop whenever you like as the on-line shops are open 24 hours a day and you don't have to queue with other shoppers at the check-out counters.Secondly,it is easy to find what you are looking for on the Internet. Even out-of-print books may be ordered on line.Finally,it is often cheaper to buy goods through the Internet,and you can tell the shop exactly what you want.
    The main disadvantage of Internet shopping is that you cannot actually see the products you are buying or check their quality.Also,many people enjoy shopping in the city and miss the opportunity to talk to friends.Some people are worried about paying for goods using credit cards,so Internet companies are now finding ways to make on-line payment safe.
    Internet shopping is sure to become more and more popular in the years ahead.It promises to change the way we buy all kinds of things一from tonight's dinner to a new car.

    On-line news and magazine stories are_______.
    A:the most popular products on the Internet
    B:not yet available on the Internet
    C:free to download through the Internet
    D:information products available on the Internet

    答案：D
    解析：
    细节题。文章第二段阐述了网上购物的种类，不仅可以买到诸如书本、CD、衣服等实物产品，还可以买到在线新闻、杂志、软件等信息产品，甚至还有娱乐服务和游戏等。其中提到了“You can also buy information products such as on-line news or magazine stories, or you can download computer software through the Internet.”即on-line news and magazine stories 属于 information products，所以选D。
    细节题。第三段第一、二句话“Internet shopping offers a number of benefits for the shopper.The most important advantage is convenience.”即最大的优势是便利。
    细节题。第四段提到了网上购物的主要缺点，包括：不能看到实物并检查质量，排除A；不能享受购物乐趣，排除C;使用信用卡的不安全性，排除D。选项B意为“顾客不能检查所购商品的数量”，文中提到的是不能检查商品的质量，所以符合题意。
    主旨题。文章中作者围绕网络购物，阐述了网上购物的种类及其优缺点，并对其未来进行展望。所以正确答案应该是D。选项B、C都只是文章的一个方面；选项A过于宽泛。
    态度题。文章最后一段说“Internet shopping is sure to become more and more popular in the years ahead .It promises to change the way we buy all kinds of things一from tonight's dinner to a new car.”可以看出，作者对网上购物的未来持乐观态度（optimistic )。

  • 第21题：

    Which of the following will help protect an operating system from vulnerability？（）

    • A、Download free anti-virus programs from the Internet.
    • B、Perform updates from the manufacturers website regularly.
    • C、Using the operating systems email program only to open attachments.
    • D、Monitoring what is displayed on the screen.

    正确答案:B

  • 第22题：

    All servers in your environment run Windows Server 2003. Your companys network includes multiple network segments and multiple routers. A member server that has the Routing and Remote Access service （RRAS） installed provides Internet connectivity for all client computers. The RRAS server is located in a perimeter network （also known as DMZ）. A client computer named Client1 is unable to connect to the Internet. The RRAS server is able to connect to the Internet. You need to pinpoint the location of the network issue.  What should you do？（）

    • A、 Use the nbtstat command-line tool on Client1.
    • B、 Use the pathping command-line tool on Client1.
    • C、 Run the nbtstat -r command on the RRAS server.
    • D、 Run the ping -a Client1 command on the RRAS server.

    正确答案:B

  • 第23题：

    You use a Windows 2000 Professional computer at home. You need to access shared files on a server named server1. This server is on your company’s network and is not accessible from the Internet. Your company’s network also includes a third party VPN server that is accessible from the Internet. You dial in to your Internet service provider and then create a VPN connection to your company’s VPN server. After the connection is successfully established， you run the net view //server1 command and receive the following error ‘the server is inaccessible or could not be found’. You need to access the shared files on server 1. What should you do？（）

    • A、Stop and then start the TCP/IP NetBIOS helper service on your computer.
    • B、Stop and then start the DNS client service on your computer.
    • C、Add a HOSTS entry for server1 to your computer.
    • D、Add a LMHOSTS entry for server1 to your computer.

    正确答案:D

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