Chapter 7
Which of the following involves slicing digital messages into parcels, transmitting them along different communication paths, and reassembling them at their destinations?
Packet switching
Which of the following is not a characteristic of packet switching?
Packet switching requires point-to-point circuits.
Which type of network treats all processors equally and allows peripheral devices to be shared without going to a separate server?
Peer-to-peer
Which type of network would be most appropriate for a business comprised of three employees and a manager located in the same office space, whose primary need is to share documents?
Peer-to-peer network
Which type of application does Macy's use to track items for sale on store shelves?
RFID application
Which of the following statements about RFID is not true?
RFIDs require line-of-sight contact to be read.
Which of the following pulls content from websites and feeds it automatically to users' computers?
RSS
Which of the following is a device that sends packets of data through different networks assuring they go to the correct address?
Router
Which of the following can be used to help a website achieve a higher ranking with the major search engines?
SEO
________ monetizes the value of the data stored by search engines.
Search engine marketing (SEM)
Which of the following statements is not true about search engines?
There are hundreds of search engines vying for user attention, with no clear leader having yet emerged.
________ integrate disparate channels for voice communications, data communications, instant messaging, email, and electronic conferencing into a single experience.
Unified communications
The 802.11 set of standards is known as:
Wi-Fi
The Internet of Things (IoT) refers to:
billions of Internet-connected sensors.
The total amount of digital information that can be transmitted through any telecommunications medium is measured in:
bps
Instant messaging is a type of ________ service.
chat
The telephone system is an example of a ________ network.
circuit-switched
IPv6 has been developed in order to:
create more IP addresses.
Bandwidth is the:
difference between the highest and lowest frequencies that can be accommodated on a single channel.
A(n) ________ signal is a discrete, binary waveform that transmits data coded into two discrete states such as 1-bits and 0-bits.
digital
Client/server computing is a:
distributed computing model where clients are linked to one another through a network that is controlled by a network server computer.
Bluetooth can be used to link up to ________ devices within a 10-meter area using low-power, radio-based communication.
eight
One or more access points positioned on a ceiling, wall, or other strategic spot in a public place to provide maximum wireless coverage for a specific area are referred to as:
hot spots
Shopping bots use ________ software for searching the Internet.
intelligent agent
A VPN:
is an encrypted private network configured within a public network.
The backbone networks of the Internet are typically owned by long-distance telephone companies called:
network service providers.
Digital subscriber lines:
operate over existing telephone lines to carry voice, data, and video.
Predictive search in Google's search engine:
predicts what you are looking for as you enter words into the query box.
Wireless sensor networks (WSNs) are used for the following tasks except:
processing consumer transactions.
The concept of a future web in which it is commonplace for everyday objects to be connected, controlled, or monitored over the Internet is called:
the Internet of Things.
The domain .gov is a(n):
top-level domain.
Which process is used to protect transmitted data in a VPN?
tunneling
Together, a protocol prefix, a domain name, a directory path, and a document name, are called a(n):
uniform resource locator (URL)
A(n) ________ is software for locating and managing stored web pages.
web server
A network that covers entire geographical regions is most commonly referred to as a(n):
wide area network
The WiMax standard can transmit up to a distance of approximately:
30 meters
Which of the following statements about 5G is true?
5G will be able to transmit data in the gigabit range.
Which of the following is the best description of a protocol in a telecommunications network architecture?
A standard set of rules and procedures for control of communications in a network
Which signal types are represented by a continuous waveform?
Analog
The most common web servers today are:
Apache HTTP Server and Microsoft IIS.
What are the four layers of the TCP/IP reference model?
Application, Transport, Internet, and Network Interface
All of the following are physical components of an RFID system except:
Bar codes
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
What service converts natural language names to IP addresses?
DNS
In TCP/IP, IP is responsible for which of the following?
Disassembling and reassembling packets during transmission
Which of the following is not one of the top five search engines?
Which digital cellular standard is used widely throughout the world except the United States?
GSM
Web browser software requests web pages from the Internet using which of the following protocols?
HTTP
Which organization manages the domain name system of the Internet?
ICANN
A(n) ________ is a commercial organization with a permanent connection to the Internet that sells temporary connections to retail subscribers
ISP
A(n) ________ is a commercial organization with a permanent connection to the Internet that sells temporary connections to retail subscribers.
ISP
A network that spans a college or corporate facility is called a:
LAN
4G networks use which of the following standards?
LTE, WiMAX
Which type of network is used to connect digital devices within a city or metropolitan area?
MAN
Based on your reading of the examples in the chapter, which of the following would be the best use of RFID for a business?
Managing the supply chain
Which of the following is a device that makes possible the translation of digital signals to analog sound signals used by a computer network?
Modem
Which one of the following statements is not true?
The Internet backbone is owned by the federal government in the United States
A(n) ________ is a box consisting of a radio receiver/transmitter and antennas that links to a wired network, router, or hub.
access point
T1 lines:
are high-speed, leased data lines providing guaranteed service levels.
In the domain name "http://books.azimuth-interactive.com", which element is the second-level domain?
azimuth-interactive.com
