IS 3003 Chp. 7

The 802.11 set of standards is known as:
Wi-FI
The method of slicing digital messages into parcels, transmitting them along different communication paths, and reassembling them at their destinations is called
Packet switching
The Domain Name System (DNS) converts domain names to IP addresses
True
Bandwidth is the
difference between the highest and lowest frequencies that can be accommodated on a single channel
A network that covers entire geographical regions is most commonly referred to as a(n)
Wide area network
The trunk lines of the Internet are typically owned by network service providers
True
Which signal types are represented by a continuous waveform?
Analog
Which protocol is the Internet based on?
TCP/IP
Circuit switching makes much more efficient use of the communications capacity of a network than does packet switching
False
Which of the following is considered by many to be the defining Web 2.0 application?
Social networking
Together, a protocol prefix, a domain name, a directory path, and a document name, are called a(n)
Uniform resource locator
VoIP technology delivers voice information in digital form using packet switching
True
Coaxial cable is similar to that used for cable television and consists of thickly insulated copper wire
True
Which of the following statements about RFID is not true?
RFIDs require line-of-sight contact to be read
In the domain name “http://myspace.blogging.com”, what are the root, top-level, second-level, and third-level domains, respectively?
“.”, com, blogging, myspace
The WiMax standard can transmit up to a distance of approximately
30 miles
TCP/IP was developed in the 1960s to enable university scientists to transmit data from computer to computer
False
In TCP/IP, IP is responsible for
disassembling and reassembling of packets during transmission
Today, most Americans connect to the Internet through broadband connections at speeds up to 15 Mbps
True
Increasingly, voice, video, and data communications are all based on Internet technology
True
A(n) ________ is a box consisting of a radio receiver/transmitter and antennas that links to a wired network, router, or hub
Access point
The “Internet of Things” refers to
A vision of a pervasive Web, in which common objects are connected to and controlled over the Internet
Web browser software requests Web pages from the Internet using which protocol?
HTTP
In blogging, a trackback is a list of entries in other blogs that refer to a post in the first blog
True
Which of the following is a challenge posed by Wi-Fi networks?
Susceptibility to interference from nearby wireless systems