Exam 2: Chapter 7
predicts what you are looking for as you enter words into the query box
"Predicative search" in Google's search engine
LTE and WiMax
4G networks use which standards?
False
A computer network consists of at least three computers
wide are network
A network that covers entire geographical regions is most commonly referred to as a
MAN
A network that spans a city, and sometimes its major suburbs as well, is called a
access point
A___-is a box consisting of a radio receiver/transmitter and antennas that links to a wired network, router, or hub
ISP
A____is a commercial organization with a permanent connection to the internet that sells temporary connections to retail subscribers
router
A____is a device that forwards packets of data through different networks, ensuring that the data gets to the right address
bar code
All of the following are physical components of an RFID system execpt
False
An NOS must reside on a dedicated server computer in order to manage a network
difference between the highest and lowest frequencies that can be accommodated
Bandwidth is the
managing the supply chain
Based on the reading of the examples in the chapter, what would be best use of RFID for a business?
False
Circuit switching makes much more efficient use of the communications capacity of a network than does packet switching
True
Coaxial cable is similar to that used for cable television and consists of thickly insulated copper wire
False
Computer network consists of at least three computers
create more IP addresses
IPv6 is being developed in order to
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
chat
Instant messaging is a type of___service.
True
More than 50% of the US internet users access the Internet via mobile devices.
hotspot
One or more points positioned on a ceiling, wall, or other strategic spot in a public place to provide maximum wireless coverage for a specific area as referred to as
False
RFID technology is being gradually replaced by less costly technologies such as WSN's
intelligent agent
Shopping bots use___software for searching the internet
True
Telephone networks are fundamentally different from computer networks.
30 miles
The WiMax standard can transmit up to a distance of approximately
True
Two computers using TCP/IP can communicate even if they are based on different hardware and software platforms
True
VoIP technology delivers information in digital form using packet switching
True
Web 3.0 is an effort to add a layer of meaning to existing web in order to reduce the amount of human involvement in searching for and processing web information
HTTP
Web browsers software requests web pages from the internet using which protocol?
application, transport, internet, and network interface
What are the four layers of the TCP/IP reference model?
DNS
What service converts IP addresses into more recognizable alphanumeric names?
GSM
Which digital cellular standard is used widely throughout the world except the United States?
Which of the following is not one of the top five search engines?
4G
Which of the following is the first generation of cellular systems suitable for watching videos?
RFID's require line of sight contact to be read
Which of the following statements about RFID are not true?
There are hundreds of search engines vying for using attention, with no clear leader having yet emerged
Which of the following statements is not true about the search engines?
IAB
Which organization helps define the overall structure of the internet?
tunneling
Which process is used to protect transmitted data in a VPN?
TCP/IP
Which protocol is the internet based on?
analog
Which signal types are represented by a continuous waveform?
LAN
Which type of network is used to connect digital devices within a half-mile or 500 meter radius?
peer-to-peer
Which type of networks treats all processors equally and allows peripheral devices to be shared without going to a separate server?
True
Wikis allow visitors to change or add to the original posted material
smartphones
_____combine the functionality of a cell phone with computing of a laptop
search engine marketing
____monetizes the value of the data stored by search engines
Unified communications
___integrate disparate channels for voice communications, data communications, instant messaging, email, and electronic conferencing into a single experience
A VPN
is an encrypted private network configured within a public network
Digital subscriber lines
operate over existing telephone lines to carry, voice, data, and video
IAB
which organization helps define the overall structure of the Internet?
top-level domain
The child domain of the root is the
the internet of things
The concept of future web in which it is commonplace for everday objects to be connected, controlled, or monitored over the internet is called
switch
The device that acts as a connection point between computers and can filter and forward data to a specified destination a
True
The domain system (DNS) converts domain names to IP addresses
client/server computing, packet switching, and development for linking networks and computers
The internet is based on which three key technologies?
packet switching
The method of slicing digital messages into parcels, transmitting them along different communication paths, and reassembling them at their destinations is called
Bluetooth
The most appropriate wireless networking standard for creating PAN's is
Apache HTTP server
The most common web server today is
False
The number of cycles per second that can be sent through any telecommunications medium is measured in kilobytes.
SEO
The process of employing techniques to help a web site achieve a higher ranking with the major search engines is called
SEO
The process of employing techniques to help a web sites achieve a higher ranking with the major search engines called
bps
The total amount of digital information that can be transmitted through any telecommunications medium is measured in
a modem
To use the analog telephone system for sending digital data, you must use
uniform resources locator
Together a protocol prefix, a domain name, path, and a document name, are called a
