Question 1. Which of the following is NOT an advantage of client/server computing over centralized mainframe computing?
A. It is easy to expand capacity by adding servers and clients.
B. Each client added to the network increases the network's overall capacity and transmission speeds.
C. Client/server networks are less vulnerable, in part because the processing load is balanced over many powerful smaller computers rather than concentrated in a single huge computer.
D. There is less risk that a system will completely malfunction because backup or mirror servers can pick up the slack if one server goes down.
Question 2. Which of the following statements about client/server computing is true?
A. It exploded the available communications capacity.
B. It provided communication rules and regulations.
C. It connects multiple powerful personal computers together in one network with one or more servers dedicated to common functions that they all need.
D. It does not provide sufficient computing capacity to support graphics or color.
Question 3. The __________ is a consortium of corporations, government agencies, and nonprofit organizations that monitors Internet policies and practices.
A. Internet Engineering Steering Group (IESG)
B. World Wide Web Consortium (W3C)
C. Internet Engineering Task Force (IETF)
D. Internet Society (ISOC)
Question 4. Which of the following was the "killer app" of 2012?
A. Blogs
B. Social networks
C. Tablet PCs
D. Search engines
Question 5. In the address https://www.company.com/clients.html, which of the following is the top-level domain?
A. .com
B. company.com
C. www
D. http
Question 6. Which of the following is a high-speed, medium-range, broadband wireless metropolitan area network?
A. Wi-Fi
B. WiMAX
C. Bluetooth
D. ZigBee
Question 7. Which of the following is currently the most popular Web browser?
A. Internet Explorer
B. Netscape
C. Safari
D. Firefox
Question 8. The concept behind document formatting had its roots in which of the following?
A. XML
B. SGML
C. HTML
D. GML
Question 9. A(n) __________ is a Web application that allows users to easily add and edit content on a Web page.
A. wiki
B. podcast
C. blog
D. RSS feed
Question 10. Which of the following is a Web 2.0 service or application?
A. E-mail
B. Wikis
C. IM
D. Online forums
Question 11. An Internet-enabled media player would run in which layer of Internet architecture?
A. Network Technology Substrate layer
B. Middleware Services layer
C. Transport Services and Representation Standards layer
D. Applications layer
Question 12. Which of the following statements about iPhone apps is NOT true?
A. They are distributed through Apple's App Store.
B. They are typically written in the Java programming language.
C. They were estimated to generate over $2 billion in 2012.
D. More than 30 billion have been downloaded.
Question 13. __________ is one of the original Internet services and is used to transfer files from a server computer to a client computer and vice versa.
A. SMTP
B. FTP
C. HTTP
D. SSL
Question 14. An IPv4 address is expressed as a:
A. 32-bit number that appears as a series of four separate numbers separated by semicolons.
B. 64-bit number that appears as a series of four separate numbers separated by semicolons.
C. 64-bit number that appears as a series of four separate numbers separated by periods.
D. 32-bit number that appears as a series of four separate numbers separated by periods.
Question 15. Which of the following is NOT true about the mobile platform?
A. Most smartphones use Intel chips.
B. The number of cell phones worldwide exceeds the number of PCs.
C. About 25% of the world's cell phones are smartphones.
D. Unlike PCs, smartphones do not need fans.
Question 16. The backbone of the Internet is formed by:
A. Internet Exchange Points (IXP)s.
B. Network Service Providers (NSPs).
C. Internet Service Providers (ISPs).
D. Metropolitan Area Exchanges (MAEs).
Question 17. A(n) __________ is an audio presentation stored as an audio file and posted to the Web for users to download.
A. podcast
B. RSS subscription
C. weblog
D. widget
Question 18. During which phase of the development of the Internet was ARPANET invented?
A. Commercialization phase
B. Institutional phase
C. Innovation phase
D. Consolidation phase
Question 19. The layer of Internet architecture that ties the applications to the communications network and includes such services as security and authentication is called the:
A. Network Technology Substrate layer.
B. Middleware Services layer.
C. Transport Services and Representation Standards layer.
D. Applications layer.
Question 20. The Transport Layer of TCP/IP is responsible for which of the following?
A. Placing packets on and receiving them from the network medium
B. Addressing, packaging, and routing messages
C. Providing communication with the application by acknowledging and sequencing the packets to and from the application
D. Providing a variety of applications with the ability to access the services of the lower layers