ACE Chapter 4 review. Name: Class: Date: True/False Indicate whether the statement is true or false.
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1 Name: Class: Date: ACE Chapter 4 review True/False Indicate whether the statement is true or false. 1. Today s Internet joins together networks of over 300 million computers, or Internet hosts, to create the world s second largest internetwork. 2. In 1989, ARPA commissioned ARPANET for research into networking. 3. The Internet is a combination of hardware, protocols, and software. 4. Software allows users to interact with the Internet to access information and services. 5. ISPs work as liaisons between Internet users and the telecommunications companies that own the backbones. 6. Many companies, organizations, and institutions, work directly with the network service providers to connect their own organizations networks directly to a PoP. 7. An message sent from New York to Los Angeles passes from router to router until it reaches its destination. 8. Most dial-up service providers advertise an accelerated feature that boosts speeds up to five times that of a standard dial-up connection (to 280 Kbps). 9. A modem splitter is used for customers who use the cable for both television and the Internet. 10. Cable modem network lines are shared by neighbors, so if many neighbors access the Internet simultaneously, they might experience slower throughput. 11. Like a dial-up connection, and unlike a cable modem, a DSL line provides an always-on connection. 12. DSL is slower than cable service, but because it is a dedicated line rather than a shared line, you do not compete with neighbors for bandwidth. 13. Satellite service is slower than dial-up service but much faster than either cable modem or DSL. 14. The protocols for the Internet are the Transmission Control Protocol (TCP) and Internet Protocol (IP). 15. The Internet is a packet-switching network. 16. The Internet Protocol requires that all devices connected to the Internet have the same IP address. 17. IP addresses can be static, permanently assigned to a particular computer, or dynamic, assigned to computers as needed. 18. Domain names and IP addresses are managed by the Internet Corporation for Assigned Names and Numbers (ICANN) and can be purchased from accredited registrars. 19. Registering a domain name does not provide you with your own Web site, only with ownership of the name that you can associate with a Web site you have created and stored on a Web server with an assigned IP address. 20. It is anticipated that DHTML will gradually replace HTML as the primary markup language of the Web. 21. While creating static Web pages, those that simply present unchanging information, has become easy, today s professional-quality Web sites have evolved well beyond these basics. 1
2 Name: 22. JavaScript is similar to Java in that it provides functionality in Web pages through programming code that is embedded in an HTML document. 23. Google maintains over four billion indexed Web pages on 30 clusters of up to 2000 computers each totaling over 30 petabytes of data. 24. Pervasive communications are the result of advances in wireless communications and Internet communications. 25. Asynchronous communication is not always possible as it requires all participants to be engaged in communication at the same time. Modified True/False Indicate whether the statement is true or false. If false, change the identified word or phrase to make the statement true. 26. Routers are the rules that are implemented in network software and hardware to establish connections between two or more computers to allow them to communicate. 27. Businesses, organizations, and individuals purchase access to the Internet from ISPs. 28. The Uniform Resource Locator defines the format and addressing scheme used for the packets. 29. The Internet uses the Domain Name System to translate domain names into IP addresses. 30. A(n) object oriented language is used to describe how information is to be displayed. 31. Today s Web browsers allow Web servers to store small text files on your computer called cookies. 32. Java is an object-oriented programming language that allows software engineers to create programs that run on any computer platform. 33. Search engines scour the Web with podcasts called spiders that follow all Web links in an attempt to catalog every Web page by topic. 34. Answering machines, voice mail, and are tools for synchronous communication. 35. Short Message Service is a method of sending short messages, no longer than 160 characters, between cell phones. 36. Podcasts are Web sites created to express one or more individual s views on a given topic. 37. A(n) value chain typically consists of the suppliers of the raw materials that are used to create a product, the manufacturing unit, transportation and storage providers, marketing, sales, and customer support. 38. Doing business electronically over the Web and private networks is known as e-commerce. 39. A database of addresses and names are stored on DNS servers. 2
3 Name: 40. Client computers are typically powerful computers that can accommodate many simultaneous user requests. Multiple Choice Identify the choice that best completes the statement or answers the question. 41. A(n) is a collection of computing devices connected together to share resources such as files, software, processors, storage, and printers. a. URL c. server b. computer network d. port 42. The, the main Internet pathways and connections, is made up of the many national and international communication networks that are owned by major telecom companies, such as MCI, AT&T, and Sprint - the same companies and networks that provide telephone service. a. Internet backbone c. cable modem b. attachment d. Web browser 43. are special-purpose computing devices - typically small to large boxes with network ports - that manage network traffic by evaluating messages and routing them over the fastest path to their destination. a. Servers c. Search engines b. Ports d. Routers 44. A is a low-speed Internet service that utilizes the customer s phone line for data transfer rates as high as 56 kilobits per second (Kbps), provided by any one of hundreds of Internet service providers. a. DSL connection c. dial-up connection b. T1 connection d. cable connection 45. A is a high-speed Internet service, with data transfer rates as high as 6 Mbps, provided by cable television service providers. a. dial-up connection c. DSL connection b. cable modem connection d. T1 connection 46. A uses the customer s phone line, but there is no dialing up and users can use the Internet and talk on the phone simultaneously. a. dial-up connection c. DSL connection b. cable modem connection d. T1 connection 47. Data is transported over the Internet in. a. packets c. hyperlinks b. servers d. ports 48. A(n) is a unique identifier for Internet hosts consisting of four numbers (0 to 255) separated by periods, such as a. IP address c. ISP b. plug-in d. cookie 49. A(n) is a logical addresses used by clients and servers that is associated with a specific service. a. URL c. port b. blog d. router 50. A(n) is an element in an electronic document - a word, phrase or image - that when clicked, opens a related document. a. URL c. IP address b. browser d. hyperlink 3
4 Name: 51. A(n) acts as a Web page address, incorporating the domain name of the Web server, and the location of the Web page file on the server. a. URL c. IP address b. browser d. hyperlink 52. allows you to create HTML documents using word-processor-like software. a. SMS text messaging c. Telecommuting b. Web authoring software d. Instant messaging 53. A works with a Web browser to offer extended services such as audio players, video, animation, 3D graphics viewers, and interactive media. a. blog c. router b. port d. plug-in 54. With, the media begins playing while the file is being delivered. a. content streaming c. video conferencing b. text messaging d. IP addressing 55. A(n) is a valuable tool that enables you to find information on the Web by specifying words that are key to a topic of interest a. router c. search engine b. port d. URL 56. are Web pages that are designed to act as entry points to the Web - the first page you open when you begin browsing the Web. a. attachments c. Routers b. Web portals d. Web authoring software 57. In, people communicate in real time exchanging thoughts in a flowing conversation. a. synchronous communication c. TCP/IP b. peer-to-peer computing d. asynchronous communication 58. allows participants to leave messages for each other to be read, heard, or watched, and responded to at the recipient s convenience. a. Synchronous communication c. TCP/IP b. Peer-to-peer computing d. Asynchronous communication 59. involves the transmission of messages over a computer network to support asynchronous text-based communication. a. c. Hyperlinking b. IP addressing d. Web authoring 60. Internet involves synchronous text messaging between two or more participants. a. routing c. searching b. conferencing d. chat 61. is a popular technology that allows phone conversations to travel over the Internet or other data networks. a. VoIP c. Instant messaging b. Telecommunication d. Web authoring 62. is a technology that combines video and phone call capabilities along with shared data and document access. a. VoIP c. Instant messaging b. Video conferencing d. Web authoring 63. is the process of working from locations away from the office by using telecommunication technologies. a. VoIP c. Instant messaging b. Video conferencing d. Telecommuting 4
5 Name: 64. is a research and development consortium led by over 200 U.S. universities and supported by partnerships with industry and government to develop and deploy advanced network applications and technologies for tomorrow s Internet. a. HTTP c. Internet2 b. P2P d. TCP/IP 65. is the only service with substantial setup and equipment costs; users can expect to spend around $600 up front for installation. a. Dial-up c. Cable b. DSL d. Satellite 66. on the Internet use the information in the packet header to direct the packet to its destination. a. Plug-ins c. URLs b. Routers d. Ports 67. guarantees delivery of data and also guarantees that packets are delivered in the same order in which they were sent. a. TCP c. HTTP b. URL d. XML 68. Participants running software make a portion of their file system available to other participants to access directly. a. P2P c. b. networking d. routing 69. Experts refer to the software portion of the Internet as the layer. a. physical c. transport b. application d. network 70. The protocol portion of the Internet, where client software communicates requests to servers using the packet-switching rules of TCP/IP, is called the layer. a. physical c. transport b. application d. network 71. The hardware associated with the Internet is referred to as the layer. a. physical c. transport b. application d. network 72. A(n) takes the form of software such as Internet Explorer, Netscape, and Firefox, and is used to request Web pages from Web servers. a. attachment c. Web client b. Web server d. hyperlink 73. The final portion of the domain name,.com,.edu, and so on, is called the. a. URL c. port b. top-level domain d. plug-in 74. HTML uses to describe the formatting of a page. a. files c. tags b. cookies d. hyperlinks 75. Web pages are sometimes called. a. blogs c. Web sites b. HTML documents d. search engines 5
6 Name: Completion Complete each statement. 76. Network service providers enable Internet users to connect to their networks through utility stations called. 77. Companies that provide users with access to the Internet through PoPs are called. 78. are typically located at network junctions, where one network is joined to another network. 79. provides high-speed Internet access with data transfer rates up to 3 Mbps. 80. A(n) connection is a wireless high-speed Internet service, with data transfer rates of around 700 Kbps, provided to your home by companies such as EarthLink and DirecWay. 81. A data is a small group of bytes that includes the data being sent and a header containing information about the data, such as its destination, origin, size, and identification number. 82. describes a relationship between two computer programs in which one program, the client, makes a service request from another program, the server, which provides the service. 83. networks do not utilize a central server, but facilitate communications directly between clients. 84. The protocol of the Web is called. 85. A(n) stores and delivers Web pages and other Web services such as interactive Web content. 86. The an extension of the current Web and provides a common framework that supports the sharing and reuse of data across application, enterprise, and community boundaries. 87. Microsoft has created an alternative to JavaScript for use in Internet Explorer called. 88. A(n) allows you to run keyword searches on several search engines at once. 89. A(n) is a catalog of sites collected and organized by people rather than automated crawlers. 90. The term refers to the ability to communicate with anyone through a variety of formats from anywhere at anytime. 91. (such as smiley faces) combine keyboard characters to create a sideways facial expression. 92. The term refers to synchronous communication where participants bounce ideas off each other in order to arrive at optimal solutions. 93. A(n) is typically a binary file, such as an image file, Word document, music file, or spreadsheet, that travels along with an message but is not part of the ASCII text message itself. 94. is synchronous one-to-one text-based communication over the Internet. 95. Conducting classes over the Web with no physical class meetings is called. 6
7 Name: Essay 96. What are the components involved in linking together documents from diverse sources? 97. How does Web software affect the way you use the Web? 98. Identify several new and exciting applications being explored on the super-speed Internet How are Web sites categorized? 100. What is the difference between a meta search engine and a subject directory? 7
8 ACE Chapter 4 review Answer Section TRUE/FALSE 1. ANS: F PTS: 1 REF: ANS: F PTS: 1 REF: ANS: T PTS: 1 REF: ANS: T PTS: 1 REF: ANS: T PTS: 1 REF: ANS: T PTS: 1 REF: ANS: T PTS: 1 REF: ANS: T PTS: 1 REF: ANS: F PTS: 1 REF: ANS: T PTS: 1 REF: ANS: F PTS: 1 REF: ANS: T PTS: 1 REF: ANS: F PTS: 1 REF: ANS: T PTS: 1 REF: ANS: T PTS: 1 REF: ANS: F PTS: 1 REF: ANS: T PTS: 1 REF: ANS: T PTS: 1 REF: ANS: T PTS: 1 REF: ANS: F PTS: 1 REF: ANS: T PTS: 1 REF: ANS: T PTS: 1 REF: ANS: T PTS: 1 REF: ANS: T PTS: 1 REF: ANS: F PTS: 1 REF: 200 MODIFIED TRUE/FALSE 26. ANS: F, Protocols PTS: 1 REF: ANS: T PTS: 1 REF: ANS: F Internet Protocol IP Internet protocol (IP) PTS: 1 REF: ANS: T PTS: 1 REF: 184 1
9 30. ANS: F, markup language PTS: 1 REF: ANS: T PTS: 1 REF: ANS: T PTS: 1 REF: ANS: F, bots PTS: 1 REF: ANS: F, asynchronous PTS: 1 REF: ANS: T PTS: 1 REF: ANS: F, Blogs PTS: 1 REF: ANS: T PTS: 1 REF: ANS: T PTS: 1 REF: ANS: T PTS: 1 REF: ANS: F, Server PTS: 1 REF: 184 MULTIPLE CHOICE 41. ANS: B PTS: 1 REF: ANS: A PTS: 1 REF: ANS: D PTS: 1 REF: ANS: C PTS: 1 REF: ANS: B PTS: 1 REF: ANS: C PTS: 1 REF: ANS: A PTS: 1 REF: ANS: A PTS: 1 REF: ANS: C PTS: 1 REF: ANS: D PTS: 1 REF: ANS: A PTS: 1 REF: ANS: B PTS: 1 REF: ANS: D PTS: 1 REF: ANS: A PTS: 1 REF: ANS: C PTS: 1 REF: ANS: B PTS: 1 REF: ANS: A PTS: 1 REF: ANS: D PTS: 1 REF: ANS: A PTS: 1 REF: ANS: D PTS: 1 REF: ANS: A PTS: 1 REF: ANS: B PTS: 1 REF: 207 2
10 63. ANS: D PTS: 1 REF: ANS: C PTS: 1 REF: ANS: D PTS: 1 REF: ANS: B PTS: 1 REF: ANS: A PTS: 1 REF: ANS: A PTS: 1 REF: ANS: B PTS: 1 REF: ANS: C PTS: 1 REF: ANS: A PTS: 1 REF: ANS: C PTS: 1 REF: ANS: B PTS: 1 REF: ANS: C PTS: 1 REF: ANS: B PTS: 1 REF: 189 COMPLETION 76. ANS: points of presence PoPs points of presence (PoPs) PTS: 1 REF: ANS: Internet service providers ISPs Internet service providers (ISPs) PTS: 1 REF: ANS: Routers PTS: 1 REF: ANS: DSL Digital subscriber line Digital subscriber line (DSL) PTS: 1 REF: ANS: digital satellite service DSS digital satellite service (DSS) PTS: 1 REF: ANS: packet PTS: 1 REF: 183 3
11 82. ANS: Client/server PTS: 1 REF: ANS: Peer-to-peer Peer to peer P2P Peer to peer (P2P) PTS: 1 REF: ANS: HTTP Hypertext Transfer Protocol Hypertext Transfer Protocol (HTTP) PTS: 1 REF: ANS: Web server PTS: 1 REF: ANS: semantic Web Semantic Web PTS: 1 REF: ANS: ActiveX PTS: 1 REF: ANS: meta search engine PTS: 1 REF: ANS: subject directory PTS: 1 REF: ANS: pervasive computing PTS: 1 REF: ANS: Emoticons PTS: 1 REF: ANS: brainstorming session PTS: 1 REF: ANS: attachment PTS: 1 REF: 201 4
12 94. ANS: Instant messaging IM Instant messaging (IM) PTS: 1 REF: ANS: distance education distance learning PTS: 1 REF: 210 ESSAY 96. ANS: The process of linking together documents from diverse sources requires three components: 1. A defined system for linking the documents 2. Protocols that allow different computers to communicate 3. Tools to assist in creating the documents and the links between them PTS: 1 REF: ANS: Whether on the server side or the client side, Web software plays a large role in how you use the Web today: 1. Search engines use software to query databases with user-provided keywords 2. Shopping on the Web involves shopping cart software and software that manages the transaction 3. Software manages Web cookies and creates dynamic Web pages custom designed to the visitor 4. Online services such as online dating, games, animated cartoons, special purpose calculators, local weather, and many others make use of Web driven software PTS: 1 REF: ANS: The new and exciting applications being explored on these super-speed networks fall under four categories: Interactive collaboration Real-time access to remote resources Large-scale, multisite computation and data mining Shared virtual reality PTS: 1 REF: 221 5
13 99. ANS: Each Web site is unique and most can be classified under one of the following categories: Search engines, subject directories, and portals Communication and collaboration News Education and training E-commerce Travel Employment and careers Multimedia and entertainment Information PTS: 1 REF: ANS: A meta search engine allows you to run keyword searches on several search engines at once. For example, a search run from com returns results from Ask Jeeves, FAST, FindWhat, Google, LookSmart, Overture, and other search engines. A subject directory is a catalog of sites collected and organized by people rather than automated crawlers. Yahoo.com, a well-known Web site, provides a directory that divides Web topics into 14 general categories with many subcategories and levels of subcategories under each. PTS: 1 REF: 197 6
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