Chapter 7
An __________ is a software for locating and managing stored web pa
Web Server
the 802.11 set of standards is known as
Wi-Fi
A network that covers entire geographical regions is most commonly referred to as
Wide Area network
An _____ is a box consisting of a radio receiver/transmitter and antennas that links to a wire network, router, or hub
access pointRFID te
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
All of the following are physical components of an RFID system except
bar code
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
The internet is based on which three key technologies
client/server computing, packer switching, and development of communication standards for linking networks and computers
IPv6 has been developed in order to:
create more IP addresses.
Bandwith is the
difference between the highest and lowest frequencies that can be accommodated on a single channel
Digital rights activist believe differentiated pricing does not violate net neutrality principles
false
computer networks that use packet switching are less efficient than telephone networks that use circuit switching
false
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:
hotspots
Shopping bots use ________ software for searching the Internet.
intelligent agent
A VPN
is an encrypted private network configured within a public network.
which of the following would be the best use of RFID for a business
managing the suply chain
the backbone networks of the internet are typically owned by long distance telephone companies called
network service providers
Digital subcriber lines
operate over existing telephone lines to carry voice, data, and video
which type of network would be most appropriate for a business comprised of three employees and a mana ger located in the same office space, whose primary need is to share documents?
peer to peer network
"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
________ monetizes the value of the data stored by search engines
search engine marketing
The internet of things (IoT) refers to
the billions of internet connected sensors
which of the following statements is not true
the internet backbone is owned by the federal government in the united states
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
Which of the following statements is not true about search engines
there are hundreds of search engines vying for use attention, with no clear leader having yet emerged
A computer network consist of at least 2 computers
true
Client/server computing has largely replaced centralized mainframe computing
true
__________ integrate disparate channels for voice communications, data communications, instant messaging, email. and electronic conferencing into a single experience
unified communications
Together, a protocol prefix, a domain name, a directory path, and a document name, are called a(n):
uniform resource locator
the WiMax standard can transmit up to a distance of approximately
30 miles
which of the following statements about 5G is true
5G will be able to transmit data in the gigabit range
Which signal types are represented by a continuous waveform?
Analog
The most common Web server today is
Apache HTTP server and Microsoft 11S
What are the four layers of the TCP/IP reference model
Application, transport, internet, network interface
A network that spans a college or corporate facility is called a
CAN
instant messaging is type of _______ service
Chat
The Telephone system is an example of a________ network
Circuit-Switched
what service converts natural language names to IP addresses
DNS
an____ signal is discrete, binary waveform that transmits data coded into two discrete states such as 1-bits and 0-bits
Digital
in TCP/IP IP is responsible for which of the following
Disassembling and reassembling packets during transmission
Client/server computing is
Distributed computing model where clients are linked to one another though 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 (8)
Which of the following is NOT one of the top 5 search engines
A NOS must reside on all local computers in a network
False
NFC tags are always passive
False
RFID technology is being gradually replaced by less costly technologies such as WSNs.
False
Telephone networks are based on the same principle as computer networks
False
The "internet of things" refers to a vision of pervasive Web, in which common objects are connected to everyone on the internet
False
VoIP technology delivers voice information in digital form using packet switching.
False
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 protocol?
HTTP
which organization manages the domain name system of the internet
ICANN
an _______ is commercial organization with a permanent connection to the internet that sells temporary connections to retail subscribers
ISP
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
Which of the following is a device that makes possible the translation of digital signal to analog sound signal used by a computer network?
Modem
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 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 real
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
Which of the following can be used to help a website achieve a higher ranking with the major search engines?
SEO
Which of the following is the best description of a protocol in telecommunications network architecture
Standard set of rules and procedures for control of communications in a network
On which of the following protocols is the internet based
TCP/IP
A hub is a networking device that sends packets of data to all other devices on the network
TRue
In addition to be an online retailer, amazon is also a powerful product search engine
True
Mobile search makes up more than 50% of all internet searches
True
TCP/IP was developed during the early 1970s to support efforts to help scientist transmit data among different types of computers over long distances
True
The Domain Name System converts domain names to IP addresses
True
The internet of things is based on billions of internet-connected sensors throughout the physical world
True
Two computers using TCP/IP can communicate even if they are based on different hardware and software platforms.
True
Wikis allow visitors to change or add to the original posted material
True
by 2019, it is estimated that more than 215 million Americans will use mobile search
True
in a client/server network, a network server sets the rules of communication for the network
True
which process is used to protect transmitted data in a VPN
Tunneling
the domain .gov is a
Top-level domain
Apple pay uses RFID-related technology called near field communication
True
Bandwidth refers to the range of frequencies that can be transmitted by a telecommunications channel
True
Coaxial cable is similar to that used for cable television and consists of thickly insulated copper wire
True
Fiber-optic cable is more expensive and harder to install than wireless media
True
In a large company today, you will often find an infrastructure that includes hundreds of small LANs linked to each other as well as to corporate-wide networks.
True
