The total amount of digital information that can be transmitted through any telecommunications medium is measured in:
gigaflops.
baud.
ROM.
Hertz.
bps.
answer
Selected Answer:
Correct bps.
Answers:
question
Which type of network is used to connect digital devices within a half-mile or 500-meter radius?
WSN
Microwave
WAN
LAN
MAN
answer
Correct LAN
question
The most appropriate wireless networking standard for creating PANs is:
Bluetooth.
802.11b.
802.11n.
I-mode.
WiFi.
answer
Selected Answer:
Correct Bluetooth.
Answers:
question
Which of the following is an example of the "visual web"?
Twitter
Blogger
Google
Pinterest
Facebook
answer
Selected Answer:
Correct Pinterest
Answers:
question
Based on your reading of the examples in the chapter, what would be the best use of RFID for a business?
Managing the supply chain
Lowering network costs
Enabling client communication
Monitoring wireless computer networks
Logging transactions
answer
Selected Answer:
Correct Managing the supply chain
Answers:
question
Which of the following statements is not true about search engines?
They have solved the problem of how users instantly find information on the Internet.
They are arguably the Internet's "killer app."
They emerged in the early 1990s as simple software programs.
They are monetized almost exclusively by search engine marketing.
There are hundreds of search engines vying for user attention, with no clear leader having yet emerged.
answer
Correct There are hundreds of search engines vying for user attention, with no clear leader having yet emerged.
question
Which of the following is not a characteristic of packet switching?
Answers:
Packets travel independently of each other.
Packet switching makes efficient use of a network's communications capacity.
Packet switching requires point-to-point circuits.
Packets are routed through many different paths.
Packets include data for checking transmission errors
A network that covers entire geographical regions is most commonly referred to as a(n):
wide area network.
intranet.
local area network.
peer-to-peer network.
metropolitan area network.
answer
Selected Answer:
Correct wide area network.
Answers:
question
Approximately what percentage of U.S. households has high-speed broadband connections?
75 percent
10 percent
99 percent
25 percent
50 percent
answer
75 percent
question
What are the four layers of the TCP/IP reference model?
Hardware, software, transport, and application
Physical, application, Internet, and network interface
Application, hardware, Internet, and network interface
Application, transport, Internet, and network interface
Physical, application, transport, and network interface
answer
Selected Answer:
Correct Application, transport, Internet, and network interface
Answers:
question
Bandwidth is the:
difference between the highest and lowest frequencies that can be accommodated on a single channel.
number of cycles per second that can be sent through a medium.
number of frequencies that can be broadcast through a medium.
number of packets sent per minute over a medium.
total number of bytes that can be sent through a medium per second.
answer
Selected Answer:
Correct difference between the highest and lowest frequencies that can be accommodated on a single channel.
Answers:
question
IPv6 was developed in order to:
update the packet transmission protocols for higher bandwidth.
support Internet2.
create more IP addresses.
allow for different levels of service.
support Web 3.0.
answer
Selected Answer:
Correct create more IP addresses.
Answers:
question
The Internet is based on which three key technologies?
Client/server computing, packet switching, and the development of communications standards for linking networks and computers
TCP/IP, HTTP, and packet switching
TCP/IP, HTML, and HTTP
Client/server computing, packet switching, and HTTP
HTTP, Web 3.0, and the mobile platform
answer
Selected Answer:
Correct Client/server computing, packet switching, and the development of communications standards for linking networks and computers
Answers:
question
To use the analog telephone system for sending digital data, you must also use:
DSL.
a modem.
a router.
coaxial cable.
twisted wire.
answer
Selected Answer:
Correct a modem.
Answers:
question
In the domain name "http://myspace.blogging.com", what are the root, top-level, second-level, and third-level domains, respectively?
.com, blogging, myspace
"http://", .com, blogging, myspace
"http://", blogging, .com
myspace, blogging, .com
"http://", myspace, blogging, .com
Together, a protocol prefix, a domain name, a directory path, and a document name, are called a(n):
VPN.
third level domain.
IP address.
root domain.
uniform resource locator.
Web browser software requests web pages from the Internet using which protocol?
URL
DNS
HTTP
FTP
HTML
answer
Selected Answer:
Correct HTTP
Answers:
question
Which of the following statements about RFID is not true?
Microchips embedded in RFIDs are used to store data.
RFIDs transmit only over a short range.
RFIDs use an antenna to transmit data.
RFIDs can track individual units within a shipment.
RFIDs require line-of-sight contact to be read
answer
Selected Answer:
Correct RFIDs require line-of-sight contact to be read.
Answers:
question
________ integrate(s) disparate channels for voice communications, data communications, instant messaging, email, and electronic conferencing into a single experience.
Telnet
Virtual private networks
Wireless networks
Intranets
Unified communications
answer
orrect Unified communications
question
The "Internet of Things" refers to:
the microblogging trend, in which users exchange short text and pictures rather than longer and more in-depth content and text.
a vision of a pervasive web in which common objects are connected to and controlled over the Internet.
the rise in mobile gaming.
the increasing focus on shopping as the major user activity on the Internet.
the trend away from platform-independent web applications to mobile-device specific apps.
answer
Correct a vision of a pervasive web in which common objects are connected to and controlled over the Internet.
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