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| 1 | |
The concept of networks can be expressed as a mathematical formula that calculates the number of possible connections or interactions. |
| | A) | True |
| | B) | False |
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| 2 | |
The service and vendor options available to meet a company's telecommunications needs have increased significantly, as have a business manager's decision-making alternatives. |
| | A) | True |
| | B) | False |
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| 3 | |
If the host of a star network fails, control is taken over by the backup system. |
| | A) | True |
| | B) | False |
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| 4 | |
Intranets are now being used as the platform for developing and deploying the critical business applications needed to support business operations and managerial decision making. |
| | A) | True |
| | B) | False |
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| 5 | |
Extranets are network links that use proprietary technologies to interconnect a business with its customers, suppliers, or other business partners. |
| | A) | True |
| | B) | False |
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| 6 | |
A VPN is a secure, private network that avoids using the Internet. |
| | A) | True |
| | B) | False |
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| 7 | |
The pure peer-to-peer network architecture has a central directory or server. |
| | A) | True |
| | B) | False |
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| 8 | |
Communications satellites are the best choice for interactive, real-time information processing. |
| | A) | True |
| | B) | False |
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| 9 | |
In an OSI model, the translation layer supports end-to-end control, error checks, and ensures complete data transfer. |
| | A) | True |
| | B) | False |
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| 10 | |
A network architecture is a standard set of rules and procedures for the control of communications in a network. |
| | A) | True |
| | B) | False |
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| 11 | |
When computers are networked, two industries converge, resulting in vastly more than the sum of the parts. The industries that converge are: |
| | A) | Networking and the Internet |
| | B) | Computing and communications |
| | C) | Telecommunications and software |
| | D) | Software and hardware |
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| 12 | |
The electronic movement of information over networks is referred to as _______________. |
| | A) | networking |
| | B) | packet transfers |
| | C) | telecommuting |
| | D) | telecommunications |
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| 13 | |
Fiber-optic transmission, which uses pulses of laser-generated light, offers all of the following advantages over other forms of transmission except: |
| | A) | Lower infrastructure costs |
| | B) | Vastly greater communication capacity |
| | C) | Much faster transmission speeds |
| | D) | Freedom from electrical interference |
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| 14 | |
In January 2004, the Internet was estimated to have over 46 million connected servers, with a sustained growth rate in excess of _______________ servers per month. |
| | A) | 1,000 |
| | B) | 50,000 |
| | C) | 250,000 |
| | D) | 1,000,000 |
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| 15 | |
Which of the following media provides the fastest transmission speed? |
| | A) | Twisted pair |
| | B) | Coaxial cable |
| | C) | Fiber optic cable |
| | D) | All the above have about the same transmission speed |
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| 16 | |
Network links that use Internet technologies to interconnect the intranet of a business with the intranets of its customers, suppliers, or other business partners are called _______________. |
| | A) | extranet links |
| | B) | Internet links |
| | C) | Web links |
| | D) | virtual private links |
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| 17 | |
All of the following are examples of wireless media except: |
| | A) | Microwave |
| | B) | Satellite |
| | C) | Radio |
| | D) | Fiber-optic |
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| 18 | |
_______________ networks have become the predominant information architecture of enterprise-wide computing. |
| | A) | Client/server |
| | B) | Local area |
| | C) | Peer-to-peer |
| | D) | Wide area |
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| 19 | |
A short-range wireless technology rapidly being built into computers and other devices, such as computer printers and scanners, is _______________. |
| | A) | Wi-Fi |
| | B) | Bluetooth |
| | C) | coaxial |
| | D) | LAN |
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| 20 | |
The Internet's protocol suite is known as TCP/IP, which stands for: |
| | A) | Transmission Control Protocol/Internet Protocol |
| | B) | Transmission Connection Protocol/Internet Protocol |
| | C) | Transmission Control Protocol/Interconnection Protocol |
| | D) | None of the choices is correct. |
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